Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 1 | """Test date/time type. |
| 2 | |
| 3 | See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases |
| 4 | """ |
| 5 | |
| 6 | import sys |
| 7 | import pickle |
| 8 | import unittest |
| 9 | |
| 10 | from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod |
| 11 | |
| 12 | from test import support |
| 13 | |
| 14 | import datetime as datetime_module |
| 15 | from datetime import MINYEAR, MAXYEAR |
| 16 | from datetime import timedelta |
| 17 | from datetime import tzinfo |
| 18 | from datetime import time |
| 19 | from datetime import timezone |
| 20 | from datetime import date, datetime |
| 21 | import time as _time |
| 22 | |
| 23 | # Needed by test_datetime |
| 24 | import _strptime |
| 25 | # |
| 26 | |
| 27 | |
| 28 | pickle_choices = [(pickle, pickle, proto) |
| 29 | for proto in range(pickle.HIGHEST_PROTOCOL + 1)] |
| 30 | assert len(pickle_choices) == pickle.HIGHEST_PROTOCOL + 1 |
| 31 | |
| 32 | # An arbitrary collection of objects of non-datetime types, for testing |
| 33 | # mixed-type comparisons. |
| 34 | OTHERSTUFF = (10, 34.5, "abc", {}, [], ()) |
| 35 | |
| 36 | |
| 37 | # XXX Copied from test_float. |
| 38 | INF = float("inf") |
| 39 | NAN = float("nan") |
| 40 | |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 41 | |
| 42 | ############################################################################# |
| 43 | # module tests |
| 44 | |
| 45 | class TestModule(unittest.TestCase): |
| 46 | |
| 47 | def test_constants(self): |
| 48 | datetime = datetime_module |
| 49 | self.assertEqual(datetime.MINYEAR, 1) |
| 50 | self.assertEqual(datetime.MAXYEAR, 9999) |
| 51 | |
| 52 | ############################################################################# |
| 53 | # tzinfo tests |
| 54 | |
| 55 | class FixedOffset(tzinfo): |
| 56 | |
| 57 | def __init__(self, offset, name, dstoffset=42): |
| 58 | if isinstance(offset, int): |
| 59 | offset = timedelta(minutes=offset) |
| 60 | if isinstance(dstoffset, int): |
| 61 | dstoffset = timedelta(minutes=dstoffset) |
| 62 | self.__offset = offset |
| 63 | self.__name = name |
| 64 | self.__dstoffset = dstoffset |
| 65 | def __repr__(self): |
| 66 | return self.__name.lower() |
| 67 | def utcoffset(self, dt): |
| 68 | return self.__offset |
| 69 | def tzname(self, dt): |
| 70 | return self.__name |
| 71 | def dst(self, dt): |
| 72 | return self.__dstoffset |
| 73 | |
| 74 | class PicklableFixedOffset(FixedOffset): |
| 75 | |
| 76 | def __init__(self, offset=None, name=None, dstoffset=None): |
| 77 | FixedOffset.__init__(self, offset, name, dstoffset) |
| 78 | |
| 79 | class TestTZInfo(unittest.TestCase): |
| 80 | |
| 81 | def test_non_abstractness(self): |
| 82 | # In order to allow subclasses to get pickled, the C implementation |
| 83 | # wasn't able to get away with having __init__ raise |
| 84 | # NotImplementedError. |
| 85 | useless = tzinfo() |
| 86 | dt = datetime.max |
| 87 | self.assertRaises(NotImplementedError, useless.tzname, dt) |
| 88 | self.assertRaises(NotImplementedError, useless.utcoffset, dt) |
| 89 | self.assertRaises(NotImplementedError, useless.dst, dt) |
| 90 | |
| 91 | def test_subclass_must_override(self): |
| 92 | class NotEnough(tzinfo): |
| 93 | def __init__(self, offset, name): |
| 94 | self.__offset = offset |
| 95 | self.__name = name |
| 96 | self.assertTrue(issubclass(NotEnough, tzinfo)) |
| 97 | ne = NotEnough(3, "NotByALongShot") |
| 98 | self.assertIsInstance(ne, tzinfo) |
| 99 | |
| 100 | dt = datetime.now() |
| 101 | self.assertRaises(NotImplementedError, ne.tzname, dt) |
| 102 | self.assertRaises(NotImplementedError, ne.utcoffset, dt) |
| 103 | self.assertRaises(NotImplementedError, ne.dst, dt) |
| 104 | |
| 105 | def test_normal(self): |
| 106 | fo = FixedOffset(3, "Three") |
| 107 | self.assertIsInstance(fo, tzinfo) |
| 108 | for dt in datetime.now(), None: |
| 109 | self.assertEqual(fo.utcoffset(dt), timedelta(minutes=3)) |
| 110 | self.assertEqual(fo.tzname(dt), "Three") |
| 111 | self.assertEqual(fo.dst(dt), timedelta(minutes=42)) |
| 112 | |
| 113 | def test_pickling_base(self): |
| 114 | # There's no point to pickling tzinfo objects on their own (they |
| 115 | # carry no data), but they need to be picklable anyway else |
| 116 | # concrete subclasses can't be pickled. |
| 117 | orig = tzinfo.__new__(tzinfo) |
| 118 | self.assertTrue(type(orig) is tzinfo) |
| 119 | for pickler, unpickler, proto in pickle_choices: |
| 120 | green = pickler.dumps(orig, proto) |
| 121 | derived = unpickler.loads(green) |
| 122 | self.assertTrue(type(derived) is tzinfo) |
| 123 | |
| 124 | def test_pickling_subclass(self): |
| 125 | # Make sure we can pickle/unpickle an instance of a subclass. |
| 126 | offset = timedelta(minutes=-300) |
| 127 | for otype, args in [ |
| 128 | (PicklableFixedOffset, (offset, 'cookie')), |
| 129 | (timezone, (offset,)), |
| 130 | (timezone, (offset, "EST"))]: |
| 131 | orig = otype(*args) |
| 132 | oname = orig.tzname(None) |
| 133 | self.assertIsInstance(orig, tzinfo) |
| 134 | self.assertIs(type(orig), otype) |
| 135 | self.assertEqual(orig.utcoffset(None), offset) |
| 136 | self.assertEqual(orig.tzname(None), oname) |
| 137 | for pickler, unpickler, proto in pickle_choices: |
| 138 | green = pickler.dumps(orig, proto) |
| 139 | derived = unpickler.loads(green) |
| 140 | self.assertIsInstance(derived, tzinfo) |
| 141 | self.assertIs(type(derived), otype) |
| 142 | self.assertEqual(derived.utcoffset(None), offset) |
| 143 | self.assertEqual(derived.tzname(None), oname) |
| 144 | |
| 145 | class TestTimeZone(unittest.TestCase): |
| 146 | |
| 147 | def setUp(self): |
| 148 | self.ACDT = timezone(timedelta(hours=9.5), 'ACDT') |
| 149 | self.EST = timezone(-timedelta(hours=5), 'EST') |
| 150 | self.DT = datetime(2010, 1, 1) |
| 151 | |
| 152 | def test_str(self): |
| 153 | for tz in [self.ACDT, self.EST, timezone.utc, |
| 154 | timezone.min, timezone.max]: |
| 155 | self.assertEqual(str(tz), tz.tzname(None)) |
| 156 | |
| 157 | def test_repr(self): |
| 158 | datetime = datetime_module |
| 159 | for tz in [self.ACDT, self.EST, timezone.utc, |
| 160 | timezone.min, timezone.max]: |
| 161 | # test round-trip |
| 162 | tzrep = repr(tz) |
| 163 | self.assertEqual(tz, eval(tzrep)) |
| 164 | |
| 165 | |
| 166 | def test_class_members(self): |
| 167 | limit = timedelta(hours=23, minutes=59) |
| 168 | self.assertEqual(timezone.utc.utcoffset(None), ZERO) |
| 169 | self.assertEqual(timezone.min.utcoffset(None), -limit) |
| 170 | self.assertEqual(timezone.max.utcoffset(None), limit) |
| 171 | |
| 172 | |
| 173 | def test_constructor(self): |
Alexander Belopolsky | 1bcbaab | 2010-10-14 17:03:51 +0000 | [diff] [blame] | 174 | self.assertIs(timezone.utc, timezone(timedelta(0))) |
| 175 | self.assertIsNot(timezone.utc, timezone(timedelta(0), 'UTC')) |
| 176 | self.assertEqual(timezone.utc, timezone(timedelta(0), 'UTC')) |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 177 | # invalid offsets |
| 178 | for invalid in [timedelta(microseconds=1), timedelta(1, 1), |
| 179 | timedelta(seconds=1), timedelta(1), -timedelta(1)]: |
| 180 | self.assertRaises(ValueError, timezone, invalid) |
| 181 | self.assertRaises(ValueError, timezone, -invalid) |
| 182 | |
| 183 | with self.assertRaises(TypeError): timezone(None) |
| 184 | with self.assertRaises(TypeError): timezone(42) |
| 185 | with self.assertRaises(TypeError): timezone(ZERO, None) |
| 186 | with self.assertRaises(TypeError): timezone(ZERO, 42) |
| 187 | with self.assertRaises(TypeError): timezone(ZERO, 'ABC', 'extra') |
| 188 | |
| 189 | def test_inheritance(self): |
| 190 | self.assertIsInstance(timezone.utc, tzinfo) |
| 191 | self.assertIsInstance(self.EST, tzinfo) |
| 192 | |
| 193 | def test_utcoffset(self): |
| 194 | dummy = self.DT |
| 195 | for h in [0, 1.5, 12]: |
| 196 | offset = h * HOUR |
| 197 | self.assertEqual(offset, timezone(offset).utcoffset(dummy)) |
| 198 | self.assertEqual(-offset, timezone(-offset).utcoffset(dummy)) |
| 199 | |
| 200 | with self.assertRaises(TypeError): self.EST.utcoffset('') |
| 201 | with self.assertRaises(TypeError): self.EST.utcoffset(5) |
| 202 | |
| 203 | |
| 204 | def test_dst(self): |
Raymond Hettinger | 7beae8a | 2011-01-06 05:34:17 +0000 | [diff] [blame] | 205 | self.assertIsNone(timezone.utc.dst(self.DT)) |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 206 | |
| 207 | with self.assertRaises(TypeError): self.EST.dst('') |
| 208 | with self.assertRaises(TypeError): self.EST.dst(5) |
| 209 | |
| 210 | def test_tzname(self): |
| 211 | self.assertEqual('UTC+00:00', timezone(ZERO).tzname(None)) |
| 212 | self.assertEqual('UTC-05:00', timezone(-5 * HOUR).tzname(None)) |
| 213 | self.assertEqual('UTC+09:30', timezone(9.5 * HOUR).tzname(None)) |
| 214 | self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None)) |
| 215 | self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None)) |
| 216 | |
| 217 | with self.assertRaises(TypeError): self.EST.tzname('') |
| 218 | with self.assertRaises(TypeError): self.EST.tzname(5) |
| 219 | |
| 220 | def test_fromutc(self): |
| 221 | with self.assertRaises(ValueError): |
| 222 | timezone.utc.fromutc(self.DT) |
| 223 | with self.assertRaises(TypeError): |
| 224 | timezone.utc.fromutc('not datetime') |
| 225 | for tz in [self.EST, self.ACDT, Eastern]: |
| 226 | utctime = self.DT.replace(tzinfo=tz) |
| 227 | local = tz.fromutc(utctime) |
| 228 | self.assertEqual(local - utctime, tz.utcoffset(local)) |
| 229 | self.assertEqual(local, |
| 230 | self.DT.replace(tzinfo=timezone.utc)) |
| 231 | |
| 232 | def test_comparison(self): |
| 233 | self.assertNotEqual(timezone(ZERO), timezone(HOUR)) |
| 234 | self.assertEqual(timezone(HOUR), timezone(HOUR)) |
| 235 | self.assertEqual(timezone(-5 * HOUR), timezone(-5 * HOUR, 'EST')) |
| 236 | with self.assertRaises(TypeError): timezone(ZERO) < timezone(ZERO) |
| 237 | self.assertIn(timezone(ZERO), {timezone(ZERO)}) |
| 238 | |
| 239 | def test_aware_datetime(self): |
| 240 | # test that timezone instances can be used by datetime |
| 241 | t = datetime(1, 1, 1) |
| 242 | for tz in [timezone.min, timezone.max, timezone.utc]: |
| 243 | self.assertEqual(tz.tzname(t), |
| 244 | t.replace(tzinfo=tz).tzname()) |
| 245 | self.assertEqual(tz.utcoffset(t), |
| 246 | t.replace(tzinfo=tz).utcoffset()) |
| 247 | self.assertEqual(tz.dst(t), |
| 248 | t.replace(tzinfo=tz).dst()) |
| 249 | |
| 250 | ############################################################################# |
| 251 | # Base clase for testing a particular aspect of timedelta, time, date and |
| 252 | # datetime comparisons. |
| 253 | |
| 254 | class HarmlessMixedComparison: |
| 255 | # Test that __eq__ and __ne__ don't complain for mixed-type comparisons. |
| 256 | |
| 257 | # Subclasses must define 'theclass', and theclass(1, 1, 1) must be a |
| 258 | # legit constructor. |
| 259 | |
| 260 | def test_harmless_mixed_comparison(self): |
| 261 | me = self.theclass(1, 1, 1) |
| 262 | |
| 263 | self.assertFalse(me == ()) |
| 264 | self.assertTrue(me != ()) |
| 265 | self.assertFalse(() == me) |
| 266 | self.assertTrue(() != me) |
| 267 | |
| 268 | self.assertIn(me, [1, 20, [], me]) |
| 269 | self.assertIn([], [me, 1, 20, []]) |
| 270 | |
| 271 | def test_harmful_mixed_comparison(self): |
| 272 | me = self.theclass(1, 1, 1) |
| 273 | |
| 274 | self.assertRaises(TypeError, lambda: me < ()) |
| 275 | self.assertRaises(TypeError, lambda: me <= ()) |
| 276 | self.assertRaises(TypeError, lambda: me > ()) |
| 277 | self.assertRaises(TypeError, lambda: me >= ()) |
| 278 | |
| 279 | self.assertRaises(TypeError, lambda: () < me) |
| 280 | self.assertRaises(TypeError, lambda: () <= me) |
| 281 | self.assertRaises(TypeError, lambda: () > me) |
| 282 | self.assertRaises(TypeError, lambda: () >= me) |
| 283 | |
| 284 | ############################################################################# |
| 285 | # timedelta tests |
| 286 | |
| 287 | class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase): |
| 288 | |
| 289 | theclass = timedelta |
| 290 | |
| 291 | def test_constructor(self): |
| 292 | eq = self.assertEqual |
| 293 | td = timedelta |
| 294 | |
| 295 | # Check keyword args to constructor |
| 296 | eq(td(), td(weeks=0, days=0, hours=0, minutes=0, seconds=0, |
| 297 | milliseconds=0, microseconds=0)) |
| 298 | eq(td(1), td(days=1)) |
| 299 | eq(td(0, 1), td(seconds=1)) |
| 300 | eq(td(0, 0, 1), td(microseconds=1)) |
| 301 | eq(td(weeks=1), td(days=7)) |
| 302 | eq(td(days=1), td(hours=24)) |
| 303 | eq(td(hours=1), td(minutes=60)) |
| 304 | eq(td(minutes=1), td(seconds=60)) |
| 305 | eq(td(seconds=1), td(milliseconds=1000)) |
| 306 | eq(td(milliseconds=1), td(microseconds=1000)) |
| 307 | |
| 308 | # Check float args to constructor |
| 309 | eq(td(weeks=1.0/7), td(days=1)) |
| 310 | eq(td(days=1.0/24), td(hours=1)) |
| 311 | eq(td(hours=1.0/60), td(minutes=1)) |
| 312 | eq(td(minutes=1.0/60), td(seconds=1)) |
| 313 | eq(td(seconds=0.001), td(milliseconds=1)) |
| 314 | eq(td(milliseconds=0.001), td(microseconds=1)) |
| 315 | |
| 316 | def test_computations(self): |
| 317 | eq = self.assertEqual |
| 318 | td = timedelta |
| 319 | |
| 320 | a = td(7) # One week |
| 321 | b = td(0, 60) # One minute |
| 322 | c = td(0, 0, 1000) # One millisecond |
| 323 | eq(a+b+c, td(7, 60, 1000)) |
| 324 | eq(a-b, td(6, 24*3600 - 60)) |
| 325 | eq(b.__rsub__(a), td(6, 24*3600 - 60)) |
| 326 | eq(-a, td(-7)) |
| 327 | eq(+a, td(7)) |
| 328 | eq(-b, td(-1, 24*3600 - 60)) |
| 329 | eq(-c, td(-1, 24*3600 - 1, 999000)) |
| 330 | eq(abs(a), a) |
| 331 | eq(abs(-a), a) |
| 332 | eq(td(6, 24*3600), a) |
| 333 | eq(td(0, 0, 60*1000000), b) |
| 334 | eq(a*10, td(70)) |
| 335 | eq(a*10, 10*a) |
| 336 | eq(a*10, 10*a) |
| 337 | eq(b*10, td(0, 600)) |
| 338 | eq(10*b, td(0, 600)) |
| 339 | eq(b*10, td(0, 600)) |
| 340 | eq(c*10, td(0, 0, 10000)) |
| 341 | eq(10*c, td(0, 0, 10000)) |
| 342 | eq(c*10, td(0, 0, 10000)) |
| 343 | eq(a*-1, -a) |
| 344 | eq(b*-2, -b-b) |
| 345 | eq(c*-2, -c+-c) |
| 346 | eq(b*(60*24), (b*60)*24) |
| 347 | eq(b*(60*24), (60*b)*24) |
| 348 | eq(c*1000, td(0, 1)) |
| 349 | eq(1000*c, td(0, 1)) |
| 350 | eq(a//7, td(1)) |
| 351 | eq(b//10, td(0, 6)) |
| 352 | eq(c//1000, td(0, 0, 1)) |
| 353 | eq(a//10, td(0, 7*24*360)) |
| 354 | eq(a//3600000, td(0, 0, 7*24*1000)) |
| 355 | eq(a/0.5, td(14)) |
| 356 | eq(b/0.5, td(0, 120)) |
| 357 | eq(a/7, td(1)) |
| 358 | eq(b/10, td(0, 6)) |
| 359 | eq(c/1000, td(0, 0, 1)) |
| 360 | eq(a/10, td(0, 7*24*360)) |
| 361 | eq(a/3600000, td(0, 0, 7*24*1000)) |
| 362 | |
| 363 | # Multiplication by float |
| 364 | us = td(microseconds=1) |
| 365 | eq((3*us) * 0.5, 2*us) |
| 366 | eq((5*us) * 0.5, 2*us) |
| 367 | eq(0.5 * (3*us), 2*us) |
| 368 | eq(0.5 * (5*us), 2*us) |
| 369 | eq((-3*us) * 0.5, -2*us) |
| 370 | eq((-5*us) * 0.5, -2*us) |
| 371 | |
| 372 | # Division by int and float |
| 373 | eq((3*us) / 2, 2*us) |
| 374 | eq((5*us) / 2, 2*us) |
| 375 | eq((-3*us) / 2.0, -2*us) |
| 376 | eq((-5*us) / 2.0, -2*us) |
| 377 | eq((3*us) / -2, -2*us) |
| 378 | eq((5*us) / -2, -2*us) |
| 379 | eq((3*us) / -2.0, -2*us) |
| 380 | eq((5*us) / -2.0, -2*us) |
| 381 | for i in range(-10, 10): |
| 382 | eq((i*us/3)//us, round(i/3)) |
| 383 | for i in range(-10, 10): |
| 384 | eq((i*us/-3)//us, round(i/-3)) |
| 385 | |
Alexander Belopolsky | b6f5ec7 | 2011-04-05 20:07:38 -0400 | [diff] [blame] | 386 | # Issue #11576 |
| 387 | eq(td(999999999, 86399, 999999) - td(999999999, 86399, 999998), |
| 388 | td(0, 0, 1)) |
| 389 | eq(td(999999999, 1, 1) - td(999999999, 1, 0), |
| 390 | td(0, 0, 1)) |
| 391 | |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 392 | def test_disallowed_computations(self): |
| 393 | a = timedelta(42) |
| 394 | |
| 395 | # Add/sub ints or floats should be illegal |
| 396 | for i in 1, 1.0: |
| 397 | self.assertRaises(TypeError, lambda: a+i) |
| 398 | self.assertRaises(TypeError, lambda: a-i) |
| 399 | self.assertRaises(TypeError, lambda: i+a) |
| 400 | self.assertRaises(TypeError, lambda: i-a) |
| 401 | |
| 402 | # Division of int by timedelta doesn't make sense. |
| 403 | # Division by zero doesn't make sense. |
| 404 | zero = 0 |
| 405 | self.assertRaises(TypeError, lambda: zero // a) |
| 406 | self.assertRaises(ZeroDivisionError, lambda: a // zero) |
| 407 | self.assertRaises(ZeroDivisionError, lambda: a / zero) |
| 408 | self.assertRaises(ZeroDivisionError, lambda: a / 0.0) |
| 409 | self.assertRaises(TypeError, lambda: a / '') |
| 410 | |
Eric Smith | 3ab08ca | 2010-12-04 15:17:38 +0000 | [diff] [blame] | 411 | @support.requires_IEEE_754 |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 412 | def test_disallowed_special(self): |
| 413 | a = timedelta(42) |
| 414 | self.assertRaises(ValueError, a.__mul__, NAN) |
| 415 | self.assertRaises(ValueError, a.__truediv__, NAN) |
| 416 | |
| 417 | def test_basic_attributes(self): |
| 418 | days, seconds, us = 1, 7, 31 |
| 419 | td = timedelta(days, seconds, us) |
| 420 | self.assertEqual(td.days, days) |
| 421 | self.assertEqual(td.seconds, seconds) |
| 422 | self.assertEqual(td.microseconds, us) |
| 423 | |
| 424 | def test_total_seconds(self): |
| 425 | td = timedelta(days=365) |
| 426 | self.assertEqual(td.total_seconds(), 31536000.0) |
| 427 | for total_seconds in [123456.789012, -123456.789012, 0.123456, 0, 1e6]: |
| 428 | td = timedelta(seconds=total_seconds) |
| 429 | self.assertEqual(td.total_seconds(), total_seconds) |
| 430 | # Issue8644: Test that td.total_seconds() has the same |
| 431 | # accuracy as td / timedelta(seconds=1). |
| 432 | for ms in [-1, -2, -123]: |
| 433 | td = timedelta(microseconds=ms) |
| 434 | self.assertEqual(td.total_seconds(), td / timedelta(seconds=1)) |
| 435 | |
| 436 | def test_carries(self): |
| 437 | t1 = timedelta(days=100, |
| 438 | weeks=-7, |
| 439 | hours=-24*(100-49), |
| 440 | minutes=-3, |
| 441 | seconds=12, |
| 442 | microseconds=(3*60 - 12) * 1e6 + 1) |
| 443 | t2 = timedelta(microseconds=1) |
| 444 | self.assertEqual(t1, t2) |
| 445 | |
| 446 | def test_hash_equality(self): |
| 447 | t1 = timedelta(days=100, |
| 448 | weeks=-7, |
| 449 | hours=-24*(100-49), |
| 450 | minutes=-3, |
| 451 | seconds=12, |
| 452 | microseconds=(3*60 - 12) * 1000000) |
| 453 | t2 = timedelta() |
| 454 | self.assertEqual(hash(t1), hash(t2)) |
| 455 | |
| 456 | t1 += timedelta(weeks=7) |
| 457 | t2 += timedelta(days=7*7) |
| 458 | self.assertEqual(t1, t2) |
| 459 | self.assertEqual(hash(t1), hash(t2)) |
| 460 | |
| 461 | d = {t1: 1} |
| 462 | d[t2] = 2 |
| 463 | self.assertEqual(len(d), 1) |
| 464 | self.assertEqual(d[t1], 2) |
| 465 | |
| 466 | def test_pickling(self): |
| 467 | args = 12, 34, 56 |
| 468 | orig = timedelta(*args) |
| 469 | for pickler, unpickler, proto in pickle_choices: |
| 470 | green = pickler.dumps(orig, proto) |
| 471 | derived = unpickler.loads(green) |
| 472 | self.assertEqual(orig, derived) |
| 473 | |
| 474 | def test_compare(self): |
| 475 | t1 = timedelta(2, 3, 4) |
| 476 | t2 = timedelta(2, 3, 4) |
| 477 | self.assertEqual(t1, t2) |
| 478 | self.assertTrue(t1 <= t2) |
| 479 | self.assertTrue(t1 >= t2) |
| 480 | self.assertTrue(not t1 != t2) |
| 481 | self.assertTrue(not t1 < t2) |
| 482 | self.assertTrue(not t1 > t2) |
| 483 | |
| 484 | for args in (3, 3, 3), (2, 4, 4), (2, 3, 5): |
| 485 | t2 = timedelta(*args) # this is larger than t1 |
| 486 | self.assertTrue(t1 < t2) |
| 487 | self.assertTrue(t2 > t1) |
| 488 | self.assertTrue(t1 <= t2) |
| 489 | self.assertTrue(t2 >= t1) |
| 490 | self.assertTrue(t1 != t2) |
| 491 | self.assertTrue(t2 != t1) |
| 492 | self.assertTrue(not t1 == t2) |
| 493 | self.assertTrue(not t2 == t1) |
| 494 | self.assertTrue(not t1 > t2) |
| 495 | self.assertTrue(not t2 < t1) |
| 496 | self.assertTrue(not t1 >= t2) |
| 497 | self.assertTrue(not t2 <= t1) |
| 498 | |
| 499 | for badarg in OTHERSTUFF: |
| 500 | self.assertEqual(t1 == badarg, False) |
| 501 | self.assertEqual(t1 != badarg, True) |
| 502 | self.assertEqual(badarg == t1, False) |
| 503 | self.assertEqual(badarg != t1, True) |
| 504 | |
| 505 | self.assertRaises(TypeError, lambda: t1 <= badarg) |
| 506 | self.assertRaises(TypeError, lambda: t1 < badarg) |
| 507 | self.assertRaises(TypeError, lambda: t1 > badarg) |
| 508 | self.assertRaises(TypeError, lambda: t1 >= badarg) |
| 509 | self.assertRaises(TypeError, lambda: badarg <= t1) |
| 510 | self.assertRaises(TypeError, lambda: badarg < t1) |
| 511 | self.assertRaises(TypeError, lambda: badarg > t1) |
| 512 | self.assertRaises(TypeError, lambda: badarg >= t1) |
| 513 | |
| 514 | def test_str(self): |
| 515 | td = timedelta |
| 516 | eq = self.assertEqual |
| 517 | |
| 518 | eq(str(td(1)), "1 day, 0:00:00") |
| 519 | eq(str(td(-1)), "-1 day, 0:00:00") |
| 520 | eq(str(td(2)), "2 days, 0:00:00") |
| 521 | eq(str(td(-2)), "-2 days, 0:00:00") |
| 522 | |
| 523 | eq(str(td(hours=12, minutes=58, seconds=59)), "12:58:59") |
| 524 | eq(str(td(hours=2, minutes=3, seconds=4)), "2:03:04") |
| 525 | eq(str(td(weeks=-30, hours=23, minutes=12, seconds=34)), |
| 526 | "-210 days, 23:12:34") |
| 527 | |
| 528 | eq(str(td(milliseconds=1)), "0:00:00.001000") |
| 529 | eq(str(td(microseconds=3)), "0:00:00.000003") |
| 530 | |
| 531 | eq(str(td(days=999999999, hours=23, minutes=59, seconds=59, |
| 532 | microseconds=999999)), |
| 533 | "999999999 days, 23:59:59.999999") |
| 534 | |
| 535 | def test_repr(self): |
| 536 | name = 'datetime.' + self.theclass.__name__ |
| 537 | self.assertEqual(repr(self.theclass(1)), |
| 538 | "%s(1)" % name) |
| 539 | self.assertEqual(repr(self.theclass(10, 2)), |
| 540 | "%s(10, 2)" % name) |
| 541 | self.assertEqual(repr(self.theclass(-10, 2, 400000)), |
| 542 | "%s(-10, 2, 400000)" % name) |
| 543 | |
| 544 | def test_roundtrip(self): |
| 545 | for td in (timedelta(days=999999999, hours=23, minutes=59, |
| 546 | seconds=59, microseconds=999999), |
| 547 | timedelta(days=-999999999), |
| 548 | timedelta(days=-999999999, seconds=1), |
| 549 | timedelta(days=1, seconds=2, microseconds=3)): |
| 550 | |
| 551 | # Verify td -> string -> td identity. |
| 552 | s = repr(td) |
| 553 | self.assertTrue(s.startswith('datetime.')) |
| 554 | s = s[9:] |
| 555 | td2 = eval(s) |
| 556 | self.assertEqual(td, td2) |
| 557 | |
| 558 | # Verify identity via reconstructing from pieces. |
| 559 | td2 = timedelta(td.days, td.seconds, td.microseconds) |
| 560 | self.assertEqual(td, td2) |
| 561 | |
| 562 | def test_resolution_info(self): |
| 563 | self.assertIsInstance(timedelta.min, timedelta) |
| 564 | self.assertIsInstance(timedelta.max, timedelta) |
| 565 | self.assertIsInstance(timedelta.resolution, timedelta) |
| 566 | self.assertTrue(timedelta.max > timedelta.min) |
| 567 | self.assertEqual(timedelta.min, timedelta(-999999999)) |
| 568 | self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1)) |
| 569 | self.assertEqual(timedelta.resolution, timedelta(0, 0, 1)) |
| 570 | |
| 571 | def test_overflow(self): |
| 572 | tiny = timedelta.resolution |
| 573 | |
| 574 | td = timedelta.min + tiny |
| 575 | td -= tiny # no problem |
| 576 | self.assertRaises(OverflowError, td.__sub__, tiny) |
| 577 | self.assertRaises(OverflowError, td.__add__, -tiny) |
| 578 | |
| 579 | td = timedelta.max - tiny |
| 580 | td += tiny # no problem |
| 581 | self.assertRaises(OverflowError, td.__add__, tiny) |
| 582 | self.assertRaises(OverflowError, td.__sub__, -tiny) |
| 583 | |
| 584 | self.assertRaises(OverflowError, lambda: -timedelta.max) |
| 585 | |
| 586 | day = timedelta(1) |
| 587 | self.assertRaises(OverflowError, day.__mul__, 10**9) |
| 588 | self.assertRaises(OverflowError, day.__mul__, 1e9) |
| 589 | self.assertRaises(OverflowError, day.__truediv__, 1e-20) |
| 590 | self.assertRaises(OverflowError, day.__truediv__, 1e-10) |
| 591 | self.assertRaises(OverflowError, day.__truediv__, 9e-10) |
| 592 | |
Eric Smith | 3ab08ca | 2010-12-04 15:17:38 +0000 | [diff] [blame] | 593 | @support.requires_IEEE_754 |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 594 | def _test_overflow_special(self): |
| 595 | day = timedelta(1) |
| 596 | self.assertRaises(OverflowError, day.__mul__, INF) |
| 597 | self.assertRaises(OverflowError, day.__mul__, -INF) |
| 598 | |
| 599 | def test_microsecond_rounding(self): |
| 600 | td = timedelta |
| 601 | eq = self.assertEqual |
| 602 | |
| 603 | # Single-field rounding. |
| 604 | eq(td(milliseconds=0.4/1000), td(0)) # rounds to 0 |
| 605 | eq(td(milliseconds=-0.4/1000), td(0)) # rounds to 0 |
| 606 | eq(td(milliseconds=0.6/1000), td(microseconds=1)) |
| 607 | eq(td(milliseconds=-0.6/1000), td(microseconds=-1)) |
| 608 | |
| 609 | # Rounding due to contributions from more than one field. |
| 610 | us_per_hour = 3600e6 |
| 611 | us_per_day = us_per_hour * 24 |
| 612 | eq(td(days=.4/us_per_day), td(0)) |
| 613 | eq(td(hours=.2/us_per_hour), td(0)) |
| 614 | eq(td(days=.4/us_per_day, hours=.2/us_per_hour), td(microseconds=1)) |
| 615 | |
| 616 | eq(td(days=-.4/us_per_day), td(0)) |
| 617 | eq(td(hours=-.2/us_per_hour), td(0)) |
| 618 | eq(td(days=-.4/us_per_day, hours=-.2/us_per_hour), td(microseconds=-1)) |
| 619 | |
| 620 | def test_massive_normalization(self): |
| 621 | td = timedelta(microseconds=-1) |
| 622 | self.assertEqual((td.days, td.seconds, td.microseconds), |
| 623 | (-1, 24*3600-1, 999999)) |
| 624 | |
| 625 | def test_bool(self): |
| 626 | self.assertTrue(timedelta(1)) |
| 627 | self.assertTrue(timedelta(0, 1)) |
| 628 | self.assertTrue(timedelta(0, 0, 1)) |
| 629 | self.assertTrue(timedelta(microseconds=1)) |
| 630 | self.assertTrue(not timedelta(0)) |
| 631 | |
| 632 | def test_subclass_timedelta(self): |
| 633 | |
| 634 | class T(timedelta): |
| 635 | @staticmethod |
| 636 | def from_td(td): |
| 637 | return T(td.days, td.seconds, td.microseconds) |
| 638 | |
| 639 | def as_hours(self): |
| 640 | sum = (self.days * 24 + |
| 641 | self.seconds / 3600.0 + |
| 642 | self.microseconds / 3600e6) |
| 643 | return round(sum) |
| 644 | |
| 645 | t1 = T(days=1) |
| 646 | self.assertTrue(type(t1) is T) |
| 647 | self.assertEqual(t1.as_hours(), 24) |
| 648 | |
| 649 | t2 = T(days=-1, seconds=-3600) |
| 650 | self.assertTrue(type(t2) is T) |
| 651 | self.assertEqual(t2.as_hours(), -25) |
| 652 | |
| 653 | t3 = t1 + t2 |
| 654 | self.assertTrue(type(t3) is timedelta) |
| 655 | t4 = T.from_td(t3) |
| 656 | self.assertTrue(type(t4) is T) |
| 657 | self.assertEqual(t3.days, t4.days) |
| 658 | self.assertEqual(t3.seconds, t4.seconds) |
| 659 | self.assertEqual(t3.microseconds, t4.microseconds) |
| 660 | self.assertEqual(str(t3), str(t4)) |
| 661 | self.assertEqual(t4.as_hours(), -1) |
| 662 | |
| 663 | def test_division(self): |
| 664 | t = timedelta(hours=1, minutes=24, seconds=19) |
| 665 | second = timedelta(seconds=1) |
| 666 | self.assertEqual(t / second, 5059.0) |
| 667 | self.assertEqual(t // second, 5059) |
| 668 | |
| 669 | t = timedelta(minutes=2, seconds=30) |
| 670 | minute = timedelta(minutes=1) |
| 671 | self.assertEqual(t / minute, 2.5) |
| 672 | self.assertEqual(t // minute, 2) |
| 673 | |
| 674 | zerotd = timedelta(0) |
| 675 | self.assertRaises(ZeroDivisionError, truediv, t, zerotd) |
| 676 | self.assertRaises(ZeroDivisionError, floordiv, t, zerotd) |
| 677 | |
| 678 | # self.assertRaises(TypeError, truediv, t, 2) |
| 679 | # note: floor division of a timedelta by an integer *is* |
| 680 | # currently permitted. |
| 681 | |
| 682 | def test_remainder(self): |
| 683 | t = timedelta(minutes=2, seconds=30) |
| 684 | minute = timedelta(minutes=1) |
| 685 | r = t % minute |
| 686 | self.assertEqual(r, timedelta(seconds=30)) |
| 687 | |
| 688 | t = timedelta(minutes=-2, seconds=30) |
| 689 | r = t % minute |
| 690 | self.assertEqual(r, timedelta(seconds=30)) |
| 691 | |
| 692 | zerotd = timedelta(0) |
| 693 | self.assertRaises(ZeroDivisionError, mod, t, zerotd) |
| 694 | |
| 695 | self.assertRaises(TypeError, mod, t, 10) |
| 696 | |
| 697 | def test_divmod(self): |
| 698 | t = timedelta(minutes=2, seconds=30) |
| 699 | minute = timedelta(minutes=1) |
| 700 | q, r = divmod(t, minute) |
| 701 | self.assertEqual(q, 2) |
| 702 | self.assertEqual(r, timedelta(seconds=30)) |
| 703 | |
| 704 | t = timedelta(minutes=-2, seconds=30) |
| 705 | q, r = divmod(t, minute) |
| 706 | self.assertEqual(q, -2) |
| 707 | self.assertEqual(r, timedelta(seconds=30)) |
| 708 | |
| 709 | zerotd = timedelta(0) |
| 710 | self.assertRaises(ZeroDivisionError, divmod, t, zerotd) |
| 711 | |
| 712 | self.assertRaises(TypeError, divmod, t, 10) |
| 713 | |
| 714 | |
| 715 | ############################################################################# |
| 716 | # date tests |
| 717 | |
| 718 | class TestDateOnly(unittest.TestCase): |
| 719 | # Tests here won't pass if also run on datetime objects, so don't |
| 720 | # subclass this to test datetimes too. |
| 721 | |
| 722 | def test_delta_non_days_ignored(self): |
| 723 | dt = date(2000, 1, 2) |
| 724 | delta = timedelta(days=1, hours=2, minutes=3, seconds=4, |
| 725 | microseconds=5) |
| 726 | days = timedelta(delta.days) |
| 727 | self.assertEqual(days, timedelta(1)) |
| 728 | |
| 729 | dt2 = dt + delta |
| 730 | self.assertEqual(dt2, dt + days) |
| 731 | |
| 732 | dt2 = delta + dt |
| 733 | self.assertEqual(dt2, dt + days) |
| 734 | |
| 735 | dt2 = dt - delta |
| 736 | self.assertEqual(dt2, dt - days) |
| 737 | |
| 738 | delta = -delta |
| 739 | days = timedelta(delta.days) |
| 740 | self.assertEqual(days, timedelta(-2)) |
| 741 | |
| 742 | dt2 = dt + delta |
| 743 | self.assertEqual(dt2, dt + days) |
| 744 | |
| 745 | dt2 = delta + dt |
| 746 | self.assertEqual(dt2, dt + days) |
| 747 | |
| 748 | dt2 = dt - delta |
| 749 | self.assertEqual(dt2, dt - days) |
| 750 | |
| 751 | class SubclassDate(date): |
| 752 | sub_var = 1 |
| 753 | |
| 754 | class TestDate(HarmlessMixedComparison, unittest.TestCase): |
| 755 | # Tests here should pass for both dates and datetimes, except for a |
| 756 | # few tests that TestDateTime overrides. |
| 757 | |
| 758 | theclass = date |
| 759 | |
| 760 | def test_basic_attributes(self): |
| 761 | dt = self.theclass(2002, 3, 1) |
| 762 | self.assertEqual(dt.year, 2002) |
| 763 | self.assertEqual(dt.month, 3) |
| 764 | self.assertEqual(dt.day, 1) |
| 765 | |
| 766 | def test_roundtrip(self): |
| 767 | for dt in (self.theclass(1, 2, 3), |
| 768 | self.theclass.today()): |
| 769 | # Verify dt -> string -> date identity. |
| 770 | s = repr(dt) |
| 771 | self.assertTrue(s.startswith('datetime.')) |
| 772 | s = s[9:] |
| 773 | dt2 = eval(s) |
| 774 | self.assertEqual(dt, dt2) |
| 775 | |
| 776 | # Verify identity via reconstructing from pieces. |
| 777 | dt2 = self.theclass(dt.year, dt.month, dt.day) |
| 778 | self.assertEqual(dt, dt2) |
| 779 | |
| 780 | def test_ordinal_conversions(self): |
| 781 | # Check some fixed values. |
| 782 | for y, m, d, n in [(1, 1, 1, 1), # calendar origin |
| 783 | (1, 12, 31, 365), |
| 784 | (2, 1, 1, 366), |
| 785 | # first example from "Calendrical Calculations" |
| 786 | (1945, 11, 12, 710347)]: |
| 787 | d = self.theclass(y, m, d) |
| 788 | self.assertEqual(n, d.toordinal()) |
| 789 | fromord = self.theclass.fromordinal(n) |
| 790 | self.assertEqual(d, fromord) |
| 791 | if hasattr(fromord, "hour"): |
| 792 | # if we're checking something fancier than a date, verify |
| 793 | # the extra fields have been zeroed out |
| 794 | self.assertEqual(fromord.hour, 0) |
| 795 | self.assertEqual(fromord.minute, 0) |
| 796 | self.assertEqual(fromord.second, 0) |
| 797 | self.assertEqual(fromord.microsecond, 0) |
| 798 | |
| 799 | # Check first and last days of year spottily across the whole |
| 800 | # range of years supported. |
| 801 | for year in range(MINYEAR, MAXYEAR+1, 7): |
| 802 | # Verify (year, 1, 1) -> ordinal -> y, m, d is identity. |
| 803 | d = self.theclass(year, 1, 1) |
| 804 | n = d.toordinal() |
| 805 | d2 = self.theclass.fromordinal(n) |
| 806 | self.assertEqual(d, d2) |
| 807 | # Verify that moving back a day gets to the end of year-1. |
| 808 | if year > 1: |
| 809 | d = self.theclass.fromordinal(n-1) |
| 810 | d2 = self.theclass(year-1, 12, 31) |
| 811 | self.assertEqual(d, d2) |
| 812 | self.assertEqual(d2.toordinal(), n-1) |
| 813 | |
| 814 | # Test every day in a leap-year and a non-leap year. |
| 815 | dim = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] |
| 816 | for year, isleap in (2000, True), (2002, False): |
| 817 | n = self.theclass(year, 1, 1).toordinal() |
| 818 | for month, maxday in zip(range(1, 13), dim): |
| 819 | if month == 2 and isleap: |
| 820 | maxday += 1 |
| 821 | for day in range(1, maxday+1): |
| 822 | d = self.theclass(year, month, day) |
| 823 | self.assertEqual(d.toordinal(), n) |
| 824 | self.assertEqual(d, self.theclass.fromordinal(n)) |
| 825 | n += 1 |
| 826 | |
| 827 | def test_extreme_ordinals(self): |
| 828 | a = self.theclass.min |
| 829 | a = self.theclass(a.year, a.month, a.day) # get rid of time parts |
| 830 | aord = a.toordinal() |
| 831 | b = a.fromordinal(aord) |
| 832 | self.assertEqual(a, b) |
| 833 | |
| 834 | self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1)) |
| 835 | |
| 836 | b = a + timedelta(days=1) |
| 837 | self.assertEqual(b.toordinal(), aord + 1) |
| 838 | self.assertEqual(b, self.theclass.fromordinal(aord + 1)) |
| 839 | |
| 840 | a = self.theclass.max |
| 841 | a = self.theclass(a.year, a.month, a.day) # get rid of time parts |
| 842 | aord = a.toordinal() |
| 843 | b = a.fromordinal(aord) |
| 844 | self.assertEqual(a, b) |
| 845 | |
| 846 | self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1)) |
| 847 | |
| 848 | b = a - timedelta(days=1) |
| 849 | self.assertEqual(b.toordinal(), aord - 1) |
| 850 | self.assertEqual(b, self.theclass.fromordinal(aord - 1)) |
| 851 | |
| 852 | def test_bad_constructor_arguments(self): |
| 853 | # bad years |
| 854 | self.theclass(MINYEAR, 1, 1) # no exception |
| 855 | self.theclass(MAXYEAR, 1, 1) # no exception |
| 856 | self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1) |
| 857 | self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1) |
| 858 | # bad months |
| 859 | self.theclass(2000, 1, 1) # no exception |
| 860 | self.theclass(2000, 12, 1) # no exception |
| 861 | self.assertRaises(ValueError, self.theclass, 2000, 0, 1) |
| 862 | self.assertRaises(ValueError, self.theclass, 2000, 13, 1) |
| 863 | # bad days |
| 864 | self.theclass(2000, 2, 29) # no exception |
| 865 | self.theclass(2004, 2, 29) # no exception |
| 866 | self.theclass(2400, 2, 29) # no exception |
| 867 | self.assertRaises(ValueError, self.theclass, 2000, 2, 30) |
| 868 | self.assertRaises(ValueError, self.theclass, 2001, 2, 29) |
| 869 | self.assertRaises(ValueError, self.theclass, 2100, 2, 29) |
| 870 | self.assertRaises(ValueError, self.theclass, 1900, 2, 29) |
| 871 | self.assertRaises(ValueError, self.theclass, 2000, 1, 0) |
| 872 | self.assertRaises(ValueError, self.theclass, 2000, 1, 32) |
| 873 | |
| 874 | def test_hash_equality(self): |
| 875 | d = self.theclass(2000, 12, 31) |
| 876 | # same thing |
| 877 | e = self.theclass(2000, 12, 31) |
| 878 | self.assertEqual(d, e) |
| 879 | self.assertEqual(hash(d), hash(e)) |
| 880 | |
| 881 | dic = {d: 1} |
| 882 | dic[e] = 2 |
| 883 | self.assertEqual(len(dic), 1) |
| 884 | self.assertEqual(dic[d], 2) |
| 885 | self.assertEqual(dic[e], 2) |
| 886 | |
| 887 | d = self.theclass(2001, 1, 1) |
| 888 | # same thing |
| 889 | e = self.theclass(2001, 1, 1) |
| 890 | self.assertEqual(d, e) |
| 891 | self.assertEqual(hash(d), hash(e)) |
| 892 | |
| 893 | dic = {d: 1} |
| 894 | dic[e] = 2 |
| 895 | self.assertEqual(len(dic), 1) |
| 896 | self.assertEqual(dic[d], 2) |
| 897 | self.assertEqual(dic[e], 2) |
| 898 | |
| 899 | def test_computations(self): |
| 900 | a = self.theclass(2002, 1, 31) |
| 901 | b = self.theclass(1956, 1, 31) |
| 902 | c = self.theclass(2001,2,1) |
| 903 | |
| 904 | diff = a-b |
| 905 | self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4))) |
| 906 | self.assertEqual(diff.seconds, 0) |
| 907 | self.assertEqual(diff.microseconds, 0) |
| 908 | |
| 909 | day = timedelta(1) |
| 910 | week = timedelta(7) |
| 911 | a = self.theclass(2002, 3, 2) |
| 912 | self.assertEqual(a + day, self.theclass(2002, 3, 3)) |
| 913 | self.assertEqual(day + a, self.theclass(2002, 3, 3)) |
| 914 | self.assertEqual(a - day, self.theclass(2002, 3, 1)) |
| 915 | self.assertEqual(-day + a, self.theclass(2002, 3, 1)) |
| 916 | self.assertEqual(a + week, self.theclass(2002, 3, 9)) |
| 917 | self.assertEqual(a - week, self.theclass(2002, 2, 23)) |
| 918 | self.assertEqual(a + 52*week, self.theclass(2003, 3, 1)) |
| 919 | self.assertEqual(a - 52*week, self.theclass(2001, 3, 3)) |
| 920 | self.assertEqual((a + week) - a, week) |
| 921 | self.assertEqual((a + day) - a, day) |
| 922 | self.assertEqual((a - week) - a, -week) |
| 923 | self.assertEqual((a - day) - a, -day) |
| 924 | self.assertEqual(a - (a + week), -week) |
| 925 | self.assertEqual(a - (a + day), -day) |
| 926 | self.assertEqual(a - (a - week), week) |
| 927 | self.assertEqual(a - (a - day), day) |
| 928 | self.assertEqual(c - (c - day), day) |
| 929 | |
| 930 | # Add/sub ints or floats should be illegal |
| 931 | for i in 1, 1.0: |
| 932 | self.assertRaises(TypeError, lambda: a+i) |
| 933 | self.assertRaises(TypeError, lambda: a-i) |
| 934 | self.assertRaises(TypeError, lambda: i+a) |
| 935 | self.assertRaises(TypeError, lambda: i-a) |
| 936 | |
| 937 | # delta - date is senseless. |
| 938 | self.assertRaises(TypeError, lambda: day - a) |
| 939 | # mixing date and (delta or date) via * or // is senseless |
| 940 | self.assertRaises(TypeError, lambda: day * a) |
| 941 | self.assertRaises(TypeError, lambda: a * day) |
| 942 | self.assertRaises(TypeError, lambda: day // a) |
| 943 | self.assertRaises(TypeError, lambda: a // day) |
| 944 | self.assertRaises(TypeError, lambda: a * a) |
| 945 | self.assertRaises(TypeError, lambda: a // a) |
| 946 | # date + date is senseless |
| 947 | self.assertRaises(TypeError, lambda: a + a) |
| 948 | |
| 949 | def test_overflow(self): |
| 950 | tiny = self.theclass.resolution |
| 951 | |
| 952 | for delta in [tiny, timedelta(1), timedelta(2)]: |
| 953 | dt = self.theclass.min + delta |
| 954 | dt -= delta # no problem |
| 955 | self.assertRaises(OverflowError, dt.__sub__, delta) |
| 956 | self.assertRaises(OverflowError, dt.__add__, -delta) |
| 957 | |
| 958 | dt = self.theclass.max - delta |
| 959 | dt += delta # no problem |
| 960 | self.assertRaises(OverflowError, dt.__add__, delta) |
| 961 | self.assertRaises(OverflowError, dt.__sub__, -delta) |
| 962 | |
| 963 | def test_fromtimestamp(self): |
| 964 | import time |
| 965 | |
| 966 | # Try an arbitrary fixed value. |
| 967 | year, month, day = 1999, 9, 19 |
| 968 | ts = time.mktime((year, month, day, 0, 0, 0, 0, 0, -1)) |
| 969 | d = self.theclass.fromtimestamp(ts) |
| 970 | self.assertEqual(d.year, year) |
| 971 | self.assertEqual(d.month, month) |
| 972 | self.assertEqual(d.day, day) |
| 973 | |
| 974 | def test_insane_fromtimestamp(self): |
| 975 | # It's possible that some platform maps time_t to double, |
| 976 | # and that this test will fail there. This test should |
| 977 | # exempt such platforms (provided they return reasonable |
| 978 | # results!). |
| 979 | for insane in -1e200, 1e200: |
| 980 | self.assertRaises(ValueError, self.theclass.fromtimestamp, |
| 981 | insane) |
| 982 | |
| 983 | def test_today(self): |
| 984 | import time |
| 985 | |
| 986 | # We claim that today() is like fromtimestamp(time.time()), so |
| 987 | # prove it. |
| 988 | for dummy in range(3): |
| 989 | today = self.theclass.today() |
| 990 | ts = time.time() |
| 991 | todayagain = self.theclass.fromtimestamp(ts) |
| 992 | if today == todayagain: |
| 993 | break |
| 994 | # There are several legit reasons that could fail: |
| 995 | # 1. It recently became midnight, between the today() and the |
| 996 | # time() calls. |
| 997 | # 2. The platform time() has such fine resolution that we'll |
| 998 | # never get the same value twice. |
| 999 | # 3. The platform time() has poor resolution, and we just |
| 1000 | # happened to call today() right before a resolution quantum |
| 1001 | # boundary. |
| 1002 | # 4. The system clock got fiddled between calls. |
| 1003 | # In any case, wait a little while and try again. |
| 1004 | time.sleep(0.1) |
| 1005 | |
| 1006 | # It worked or it didn't. If it didn't, assume it's reason #2, and |
| 1007 | # let the test pass if they're within half a second of each other. |
| 1008 | self.assertTrue(today == todayagain or |
| 1009 | abs(todayagain - today) < timedelta(seconds=0.5)) |
| 1010 | |
| 1011 | def test_weekday(self): |
| 1012 | for i in range(7): |
| 1013 | # March 4, 2002 is a Monday |
| 1014 | self.assertEqual(self.theclass(2002, 3, 4+i).weekday(), i) |
| 1015 | self.assertEqual(self.theclass(2002, 3, 4+i).isoweekday(), i+1) |
| 1016 | # January 2, 1956 is a Monday |
| 1017 | self.assertEqual(self.theclass(1956, 1, 2+i).weekday(), i) |
| 1018 | self.assertEqual(self.theclass(1956, 1, 2+i).isoweekday(), i+1) |
| 1019 | |
| 1020 | def test_isocalendar(self): |
| 1021 | # Check examples from |
| 1022 | # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm |
| 1023 | for i in range(7): |
| 1024 | d = self.theclass(2003, 12, 22+i) |
| 1025 | self.assertEqual(d.isocalendar(), (2003, 52, i+1)) |
| 1026 | d = self.theclass(2003, 12, 29) + timedelta(i) |
| 1027 | self.assertEqual(d.isocalendar(), (2004, 1, i+1)) |
| 1028 | d = self.theclass(2004, 1, 5+i) |
| 1029 | self.assertEqual(d.isocalendar(), (2004, 2, i+1)) |
| 1030 | d = self.theclass(2009, 12, 21+i) |
| 1031 | self.assertEqual(d.isocalendar(), (2009, 52, i+1)) |
| 1032 | d = self.theclass(2009, 12, 28) + timedelta(i) |
| 1033 | self.assertEqual(d.isocalendar(), (2009, 53, i+1)) |
| 1034 | d = self.theclass(2010, 1, 4+i) |
| 1035 | self.assertEqual(d.isocalendar(), (2010, 1, i+1)) |
| 1036 | |
| 1037 | def test_iso_long_years(self): |
| 1038 | # Calculate long ISO years and compare to table from |
| 1039 | # http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm |
| 1040 | ISO_LONG_YEARS_TABLE = """ |
| 1041 | 4 32 60 88 |
| 1042 | 9 37 65 93 |
| 1043 | 15 43 71 99 |
| 1044 | 20 48 76 |
| 1045 | 26 54 82 |
| 1046 | |
| 1047 | 105 133 161 189 |
| 1048 | 111 139 167 195 |
| 1049 | 116 144 172 |
| 1050 | 122 150 178 |
| 1051 | 128 156 184 |
| 1052 | |
| 1053 | 201 229 257 285 |
| 1054 | 207 235 263 291 |
| 1055 | 212 240 268 296 |
| 1056 | 218 246 274 |
| 1057 | 224 252 280 |
| 1058 | |
| 1059 | 303 331 359 387 |
| 1060 | 308 336 364 392 |
| 1061 | 314 342 370 398 |
| 1062 | 320 348 376 |
| 1063 | 325 353 381 |
| 1064 | """ |
| 1065 | iso_long_years = sorted(map(int, ISO_LONG_YEARS_TABLE.split())) |
| 1066 | L = [] |
| 1067 | for i in range(400): |
| 1068 | d = self.theclass(2000+i, 12, 31) |
| 1069 | d1 = self.theclass(1600+i, 12, 31) |
| 1070 | self.assertEqual(d.isocalendar()[1:], d1.isocalendar()[1:]) |
| 1071 | if d.isocalendar()[1] == 53: |
| 1072 | L.append(i) |
| 1073 | self.assertEqual(L, iso_long_years) |
| 1074 | |
| 1075 | def test_isoformat(self): |
| 1076 | t = self.theclass(2, 3, 2) |
| 1077 | self.assertEqual(t.isoformat(), "0002-03-02") |
| 1078 | |
| 1079 | def test_ctime(self): |
| 1080 | t = self.theclass(2002, 3, 2) |
| 1081 | self.assertEqual(t.ctime(), "Sat Mar 2 00:00:00 2002") |
| 1082 | |
| 1083 | def test_strftime(self): |
| 1084 | t = self.theclass(2005, 3, 2) |
| 1085 | self.assertEqual(t.strftime("m:%m d:%d y:%y"), "m:03 d:02 y:05") |
| 1086 | self.assertEqual(t.strftime(""), "") # SF bug #761337 |
| 1087 | self.assertEqual(t.strftime('x'*1000), 'x'*1000) # SF bug #1556784 |
| 1088 | |
| 1089 | self.assertRaises(TypeError, t.strftime) # needs an arg |
| 1090 | self.assertRaises(TypeError, t.strftime, "one", "two") # too many args |
| 1091 | self.assertRaises(TypeError, t.strftime, 42) # arg wrong type |
| 1092 | |
| 1093 | # test that unicode input is allowed (issue 2782) |
| 1094 | self.assertEqual(t.strftime("%m"), "03") |
| 1095 | |
| 1096 | # A naive object replaces %z and %Z w/ empty strings. |
| 1097 | self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''") |
| 1098 | |
| 1099 | #make sure that invalid format specifiers are handled correctly |
| 1100 | #self.assertRaises(ValueError, t.strftime, "%e") |
| 1101 | #self.assertRaises(ValueError, t.strftime, "%") |
| 1102 | #self.assertRaises(ValueError, t.strftime, "%#") |
| 1103 | |
| 1104 | #oh well, some systems just ignore those invalid ones. |
| 1105 | #at least, excercise them to make sure that no crashes |
| 1106 | #are generated |
| 1107 | for f in ["%e", "%", "%#"]: |
| 1108 | try: |
| 1109 | t.strftime(f) |
| 1110 | except ValueError: |
| 1111 | pass |
| 1112 | |
| 1113 | #check that this standard extension works |
| 1114 | t.strftime("%f") |
| 1115 | |
| 1116 | |
| 1117 | def test_format(self): |
| 1118 | dt = self.theclass(2007, 9, 10) |
| 1119 | self.assertEqual(dt.__format__(''), str(dt)) |
| 1120 | |
| 1121 | # check that a derived class's __str__() gets called |
| 1122 | class A(self.theclass): |
| 1123 | def __str__(self): |
| 1124 | return 'A' |
| 1125 | a = A(2007, 9, 10) |
| 1126 | self.assertEqual(a.__format__(''), 'A') |
| 1127 | |
| 1128 | # check that a derived class's strftime gets called |
| 1129 | class B(self.theclass): |
| 1130 | def strftime(self, format_spec): |
| 1131 | return 'B' |
| 1132 | b = B(2007, 9, 10) |
| 1133 | self.assertEqual(b.__format__(''), str(dt)) |
| 1134 | |
| 1135 | for fmt in ["m:%m d:%d y:%y", |
| 1136 | "m:%m d:%d y:%y H:%H M:%M S:%S", |
| 1137 | "%z %Z", |
| 1138 | ]: |
| 1139 | self.assertEqual(dt.__format__(fmt), dt.strftime(fmt)) |
| 1140 | self.assertEqual(a.__format__(fmt), dt.strftime(fmt)) |
| 1141 | self.assertEqual(b.__format__(fmt), 'B') |
| 1142 | |
| 1143 | def test_resolution_info(self): |
| 1144 | # XXX: Should min and max respect subclassing? |
| 1145 | if issubclass(self.theclass, datetime): |
| 1146 | expected_class = datetime |
| 1147 | else: |
| 1148 | expected_class = date |
| 1149 | self.assertIsInstance(self.theclass.min, expected_class) |
| 1150 | self.assertIsInstance(self.theclass.max, expected_class) |
| 1151 | self.assertIsInstance(self.theclass.resolution, timedelta) |
| 1152 | self.assertTrue(self.theclass.max > self.theclass.min) |
| 1153 | |
| 1154 | def test_extreme_timedelta(self): |
| 1155 | big = self.theclass.max - self.theclass.min |
| 1156 | # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds |
| 1157 | n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds |
| 1158 | # n == 315537897599999999 ~= 2**58.13 |
| 1159 | justasbig = timedelta(0, 0, n) |
| 1160 | self.assertEqual(big, justasbig) |
| 1161 | self.assertEqual(self.theclass.min + big, self.theclass.max) |
| 1162 | self.assertEqual(self.theclass.max - big, self.theclass.min) |
| 1163 | |
| 1164 | def test_timetuple(self): |
| 1165 | for i in range(7): |
| 1166 | # January 2, 1956 is a Monday (0) |
| 1167 | d = self.theclass(1956, 1, 2+i) |
| 1168 | t = d.timetuple() |
| 1169 | self.assertEqual(t, (1956, 1, 2+i, 0, 0, 0, i, 2+i, -1)) |
| 1170 | # February 1, 1956 is a Wednesday (2) |
| 1171 | d = self.theclass(1956, 2, 1+i) |
| 1172 | t = d.timetuple() |
| 1173 | self.assertEqual(t, (1956, 2, 1+i, 0, 0, 0, (2+i)%7, 32+i, -1)) |
| 1174 | # March 1, 1956 is a Thursday (3), and is the 31+29+1 = 61st day |
| 1175 | # of the year. |
| 1176 | d = self.theclass(1956, 3, 1+i) |
| 1177 | t = d.timetuple() |
| 1178 | self.assertEqual(t, (1956, 3, 1+i, 0, 0, 0, (3+i)%7, 61+i, -1)) |
| 1179 | self.assertEqual(t.tm_year, 1956) |
| 1180 | self.assertEqual(t.tm_mon, 3) |
| 1181 | self.assertEqual(t.tm_mday, 1+i) |
| 1182 | self.assertEqual(t.tm_hour, 0) |
| 1183 | self.assertEqual(t.tm_min, 0) |
| 1184 | self.assertEqual(t.tm_sec, 0) |
| 1185 | self.assertEqual(t.tm_wday, (3+i)%7) |
| 1186 | self.assertEqual(t.tm_yday, 61+i) |
| 1187 | self.assertEqual(t.tm_isdst, -1) |
| 1188 | |
| 1189 | def test_pickling(self): |
| 1190 | args = 6, 7, 23 |
| 1191 | orig = self.theclass(*args) |
| 1192 | for pickler, unpickler, proto in pickle_choices: |
| 1193 | green = pickler.dumps(orig, proto) |
| 1194 | derived = unpickler.loads(green) |
| 1195 | self.assertEqual(orig, derived) |
| 1196 | |
| 1197 | def test_compare(self): |
| 1198 | t1 = self.theclass(2, 3, 4) |
| 1199 | t2 = self.theclass(2, 3, 4) |
| 1200 | self.assertEqual(t1, t2) |
| 1201 | self.assertTrue(t1 <= t2) |
| 1202 | self.assertTrue(t1 >= t2) |
| 1203 | self.assertTrue(not t1 != t2) |
| 1204 | self.assertTrue(not t1 < t2) |
| 1205 | self.assertTrue(not t1 > t2) |
| 1206 | |
| 1207 | for args in (3, 3, 3), (2, 4, 4), (2, 3, 5): |
| 1208 | t2 = self.theclass(*args) # this is larger than t1 |
| 1209 | self.assertTrue(t1 < t2) |
| 1210 | self.assertTrue(t2 > t1) |
| 1211 | self.assertTrue(t1 <= t2) |
| 1212 | self.assertTrue(t2 >= t1) |
| 1213 | self.assertTrue(t1 != t2) |
| 1214 | self.assertTrue(t2 != t1) |
| 1215 | self.assertTrue(not t1 == t2) |
| 1216 | self.assertTrue(not t2 == t1) |
| 1217 | self.assertTrue(not t1 > t2) |
| 1218 | self.assertTrue(not t2 < t1) |
| 1219 | self.assertTrue(not t1 >= t2) |
| 1220 | self.assertTrue(not t2 <= t1) |
| 1221 | |
| 1222 | for badarg in OTHERSTUFF: |
| 1223 | self.assertEqual(t1 == badarg, False) |
| 1224 | self.assertEqual(t1 != badarg, True) |
| 1225 | self.assertEqual(badarg == t1, False) |
| 1226 | self.assertEqual(badarg != t1, True) |
| 1227 | |
| 1228 | self.assertRaises(TypeError, lambda: t1 < badarg) |
| 1229 | self.assertRaises(TypeError, lambda: t1 > badarg) |
| 1230 | self.assertRaises(TypeError, lambda: t1 >= badarg) |
| 1231 | self.assertRaises(TypeError, lambda: badarg <= t1) |
| 1232 | self.assertRaises(TypeError, lambda: badarg < t1) |
| 1233 | self.assertRaises(TypeError, lambda: badarg > t1) |
| 1234 | self.assertRaises(TypeError, lambda: badarg >= t1) |
| 1235 | |
| 1236 | def test_mixed_compare(self): |
| 1237 | our = self.theclass(2000, 4, 5) |
| 1238 | |
| 1239 | # Our class can be compared for equality to other classes |
| 1240 | self.assertEqual(our == 1, False) |
| 1241 | self.assertEqual(1 == our, False) |
| 1242 | self.assertEqual(our != 1, True) |
| 1243 | self.assertEqual(1 != our, True) |
| 1244 | |
| 1245 | # But the ordering is undefined |
| 1246 | self.assertRaises(TypeError, lambda: our < 1) |
| 1247 | self.assertRaises(TypeError, lambda: 1 < our) |
| 1248 | |
| 1249 | # Repeat those tests with a different class |
| 1250 | |
| 1251 | class SomeClass: |
| 1252 | pass |
| 1253 | |
| 1254 | their = SomeClass() |
| 1255 | self.assertEqual(our == their, False) |
| 1256 | self.assertEqual(their == our, False) |
| 1257 | self.assertEqual(our != their, True) |
| 1258 | self.assertEqual(their != our, True) |
| 1259 | self.assertRaises(TypeError, lambda: our < their) |
| 1260 | self.assertRaises(TypeError, lambda: their < our) |
| 1261 | |
| 1262 | # However, if the other class explicitly defines ordering |
| 1263 | # relative to our class, it is allowed to do so |
| 1264 | |
| 1265 | class LargerThanAnything: |
| 1266 | def __lt__(self, other): |
| 1267 | return False |
| 1268 | def __le__(self, other): |
| 1269 | return isinstance(other, LargerThanAnything) |
| 1270 | def __eq__(self, other): |
| 1271 | return isinstance(other, LargerThanAnything) |
| 1272 | def __ne__(self, other): |
| 1273 | return not isinstance(other, LargerThanAnything) |
| 1274 | def __gt__(self, other): |
| 1275 | return not isinstance(other, LargerThanAnything) |
| 1276 | def __ge__(self, other): |
| 1277 | return True |
| 1278 | |
| 1279 | their = LargerThanAnything() |
| 1280 | self.assertEqual(our == their, False) |
| 1281 | self.assertEqual(their == our, False) |
| 1282 | self.assertEqual(our != their, True) |
| 1283 | self.assertEqual(their != our, True) |
| 1284 | self.assertEqual(our < their, True) |
| 1285 | self.assertEqual(their < our, False) |
| 1286 | |
| 1287 | def test_bool(self): |
| 1288 | # All dates are considered true. |
| 1289 | self.assertTrue(self.theclass.min) |
| 1290 | self.assertTrue(self.theclass.max) |
| 1291 | |
Alexander Belopolsky | 89da349 | 2011-05-02 13:14:24 -0400 | [diff] [blame] | 1292 | def test_strftime_y2k(self): |
| 1293 | for y in (1, 49, 70, 99, 100, 999, 1000, 1970): |
Alexander Belopolsky | 4409493 | 2011-05-02 13:48:09 -0400 | [diff] [blame] | 1294 | self.assertIn(self.theclass(y, 1, 1).strftime("%Y"), |
| 1295 | [str(y),'%04d' % y]) |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 1296 | |
| 1297 | def test_replace(self): |
| 1298 | cls = self.theclass |
| 1299 | args = [1, 2, 3] |
| 1300 | base = cls(*args) |
| 1301 | self.assertEqual(base, base.replace()) |
| 1302 | |
| 1303 | i = 0 |
| 1304 | for name, newval in (("year", 2), |
| 1305 | ("month", 3), |
| 1306 | ("day", 4)): |
| 1307 | newargs = args[:] |
| 1308 | newargs[i] = newval |
| 1309 | expected = cls(*newargs) |
| 1310 | got = base.replace(**{name: newval}) |
| 1311 | self.assertEqual(expected, got) |
| 1312 | i += 1 |
| 1313 | |
| 1314 | # Out of bounds. |
| 1315 | base = cls(2000, 2, 29) |
| 1316 | self.assertRaises(ValueError, base.replace, year=2001) |
| 1317 | |
| 1318 | def test_subclass_date(self): |
| 1319 | |
| 1320 | class C(self.theclass): |
| 1321 | theAnswer = 42 |
| 1322 | |
| 1323 | def __new__(cls, *args, **kws): |
| 1324 | temp = kws.copy() |
| 1325 | extra = temp.pop('extra') |
| 1326 | result = self.theclass.__new__(cls, *args, **temp) |
| 1327 | result.extra = extra |
| 1328 | return result |
| 1329 | |
| 1330 | def newmeth(self, start): |
| 1331 | return start + self.year + self.month |
| 1332 | |
| 1333 | args = 2003, 4, 14 |
| 1334 | |
| 1335 | dt1 = self.theclass(*args) |
| 1336 | dt2 = C(*args, **{'extra': 7}) |
| 1337 | |
| 1338 | self.assertEqual(dt2.__class__, C) |
| 1339 | self.assertEqual(dt2.theAnswer, 42) |
| 1340 | self.assertEqual(dt2.extra, 7) |
| 1341 | self.assertEqual(dt1.toordinal(), dt2.toordinal()) |
| 1342 | self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month - 7) |
| 1343 | |
| 1344 | def test_pickling_subclass_date(self): |
| 1345 | |
| 1346 | args = 6, 7, 23 |
| 1347 | orig = SubclassDate(*args) |
| 1348 | for pickler, unpickler, proto in pickle_choices: |
| 1349 | green = pickler.dumps(orig, proto) |
| 1350 | derived = unpickler.loads(green) |
| 1351 | self.assertEqual(orig, derived) |
| 1352 | |
| 1353 | def test_backdoor_resistance(self): |
| 1354 | # For fast unpickling, the constructor accepts a pickle byte string. |
| 1355 | # This is a low-overhead backdoor. A user can (by intent or |
| 1356 | # mistake) pass a string directly, which (if it's the right length) |
| 1357 | # will get treated like a pickle, and bypass the normal sanity |
| 1358 | # checks in the constructor. This can create insane objects. |
| 1359 | # The constructor doesn't want to burn the time to validate all |
| 1360 | # fields, but does check the month field. This stops, e.g., |
| 1361 | # datetime.datetime('1995-03-25') from yielding an insane object. |
| 1362 | base = b'1995-03-25' |
| 1363 | if not issubclass(self.theclass, datetime): |
| 1364 | base = base[:4] |
| 1365 | for month_byte in b'9', b'\0', b'\r', b'\xff': |
| 1366 | self.assertRaises(TypeError, self.theclass, |
| 1367 | base[:2] + month_byte + base[3:]) |
| 1368 | # Good bytes, but bad tzinfo: |
| 1369 | self.assertRaises(TypeError, self.theclass, |
| 1370 | bytes([1] * len(base)), 'EST') |
| 1371 | |
| 1372 | for ord_byte in range(1, 13): |
| 1373 | # This shouldn't blow up because of the month byte alone. If |
| 1374 | # the implementation changes to do more-careful checking, it may |
| 1375 | # blow up because other fields are insane. |
| 1376 | self.theclass(base[:2] + bytes([ord_byte]) + base[3:]) |
| 1377 | |
| 1378 | ############################################################################# |
| 1379 | # datetime tests |
| 1380 | |
| 1381 | class SubclassDatetime(datetime): |
| 1382 | sub_var = 1 |
| 1383 | |
| 1384 | class TestDateTime(TestDate): |
| 1385 | |
| 1386 | theclass = datetime |
| 1387 | |
| 1388 | def test_basic_attributes(self): |
| 1389 | dt = self.theclass(2002, 3, 1, 12, 0) |
| 1390 | self.assertEqual(dt.year, 2002) |
| 1391 | self.assertEqual(dt.month, 3) |
| 1392 | self.assertEqual(dt.day, 1) |
| 1393 | self.assertEqual(dt.hour, 12) |
| 1394 | self.assertEqual(dt.minute, 0) |
| 1395 | self.assertEqual(dt.second, 0) |
| 1396 | self.assertEqual(dt.microsecond, 0) |
| 1397 | |
| 1398 | def test_basic_attributes_nonzero(self): |
| 1399 | # Make sure all attributes are non-zero so bugs in |
| 1400 | # bit-shifting access show up. |
| 1401 | dt = self.theclass(2002, 3, 1, 12, 59, 59, 8000) |
| 1402 | self.assertEqual(dt.year, 2002) |
| 1403 | self.assertEqual(dt.month, 3) |
| 1404 | self.assertEqual(dt.day, 1) |
| 1405 | self.assertEqual(dt.hour, 12) |
| 1406 | self.assertEqual(dt.minute, 59) |
| 1407 | self.assertEqual(dt.second, 59) |
| 1408 | self.assertEqual(dt.microsecond, 8000) |
| 1409 | |
| 1410 | def test_roundtrip(self): |
| 1411 | for dt in (self.theclass(1, 2, 3, 4, 5, 6, 7), |
| 1412 | self.theclass.now()): |
| 1413 | # Verify dt -> string -> datetime identity. |
| 1414 | s = repr(dt) |
| 1415 | self.assertTrue(s.startswith('datetime.')) |
| 1416 | s = s[9:] |
| 1417 | dt2 = eval(s) |
| 1418 | self.assertEqual(dt, dt2) |
| 1419 | |
| 1420 | # Verify identity via reconstructing from pieces. |
| 1421 | dt2 = self.theclass(dt.year, dt.month, dt.day, |
| 1422 | dt.hour, dt.minute, dt.second, |
| 1423 | dt.microsecond) |
| 1424 | self.assertEqual(dt, dt2) |
| 1425 | |
| 1426 | def test_isoformat(self): |
| 1427 | t = self.theclass(2, 3, 2, 4, 5, 1, 123) |
| 1428 | self.assertEqual(t.isoformat(), "0002-03-02T04:05:01.000123") |
| 1429 | self.assertEqual(t.isoformat('T'), "0002-03-02T04:05:01.000123") |
| 1430 | self.assertEqual(t.isoformat(' '), "0002-03-02 04:05:01.000123") |
| 1431 | self.assertEqual(t.isoformat('\x00'), "0002-03-02\x0004:05:01.000123") |
| 1432 | # str is ISO format with the separator forced to a blank. |
| 1433 | self.assertEqual(str(t), "0002-03-02 04:05:01.000123") |
| 1434 | |
| 1435 | t = self.theclass(2, 3, 2) |
| 1436 | self.assertEqual(t.isoformat(), "0002-03-02T00:00:00") |
| 1437 | self.assertEqual(t.isoformat('T'), "0002-03-02T00:00:00") |
| 1438 | self.assertEqual(t.isoformat(' '), "0002-03-02 00:00:00") |
| 1439 | # str is ISO format with the separator forced to a blank. |
| 1440 | self.assertEqual(str(t), "0002-03-02 00:00:00") |
| 1441 | |
| 1442 | def test_format(self): |
| 1443 | dt = self.theclass(2007, 9, 10, 4, 5, 1, 123) |
| 1444 | self.assertEqual(dt.__format__(''), str(dt)) |
| 1445 | |
| 1446 | # check that a derived class's __str__() gets called |
| 1447 | class A(self.theclass): |
| 1448 | def __str__(self): |
| 1449 | return 'A' |
| 1450 | a = A(2007, 9, 10, 4, 5, 1, 123) |
| 1451 | self.assertEqual(a.__format__(''), 'A') |
| 1452 | |
| 1453 | # check that a derived class's strftime gets called |
| 1454 | class B(self.theclass): |
| 1455 | def strftime(self, format_spec): |
| 1456 | return 'B' |
| 1457 | b = B(2007, 9, 10, 4, 5, 1, 123) |
| 1458 | self.assertEqual(b.__format__(''), str(dt)) |
| 1459 | |
| 1460 | for fmt in ["m:%m d:%d y:%y", |
| 1461 | "m:%m d:%d y:%y H:%H M:%M S:%S", |
| 1462 | "%z %Z", |
| 1463 | ]: |
| 1464 | self.assertEqual(dt.__format__(fmt), dt.strftime(fmt)) |
| 1465 | self.assertEqual(a.__format__(fmt), dt.strftime(fmt)) |
| 1466 | self.assertEqual(b.__format__(fmt), 'B') |
| 1467 | |
| 1468 | def test_more_ctime(self): |
| 1469 | # Test fields that TestDate doesn't touch. |
| 1470 | import time |
| 1471 | |
| 1472 | t = self.theclass(2002, 3, 2, 18, 3, 5, 123) |
| 1473 | self.assertEqual(t.ctime(), "Sat Mar 2 18:03:05 2002") |
| 1474 | # Oops! The next line fails on Win2K under MSVC 6, so it's commented |
| 1475 | # out. The difference is that t.ctime() produces " 2" for the day, |
| 1476 | # but platform ctime() produces "02" for the day. According to |
| 1477 | # C99, t.ctime() is correct here. |
| 1478 | # self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple()))) |
| 1479 | |
| 1480 | # So test a case where that difference doesn't matter. |
| 1481 | t = self.theclass(2002, 3, 22, 18, 3, 5, 123) |
| 1482 | self.assertEqual(t.ctime(), time.ctime(time.mktime(t.timetuple()))) |
| 1483 | |
| 1484 | def test_tz_independent_comparing(self): |
| 1485 | dt1 = self.theclass(2002, 3, 1, 9, 0, 0) |
| 1486 | dt2 = self.theclass(2002, 3, 1, 10, 0, 0) |
| 1487 | dt3 = self.theclass(2002, 3, 1, 9, 0, 0) |
| 1488 | self.assertEqual(dt1, dt3) |
| 1489 | self.assertTrue(dt2 > dt3) |
| 1490 | |
| 1491 | # Make sure comparison doesn't forget microseconds, and isn't done |
| 1492 | # via comparing a float timestamp (an IEEE double doesn't have enough |
| 1493 | # precision to span microsecond resolution across years 1 thru 9999, |
| 1494 | # so comparing via timestamp necessarily calls some distinct values |
| 1495 | # equal). |
| 1496 | dt1 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999998) |
| 1497 | us = timedelta(microseconds=1) |
| 1498 | dt2 = dt1 + us |
| 1499 | self.assertEqual(dt2 - dt1, us) |
| 1500 | self.assertTrue(dt1 < dt2) |
| 1501 | |
| 1502 | def test_strftime_with_bad_tzname_replace(self): |
| 1503 | # verify ok if tzinfo.tzname().replace() returns a non-string |
| 1504 | class MyTzInfo(FixedOffset): |
| 1505 | def tzname(self, dt): |
| 1506 | class MyStr(str): |
| 1507 | def replace(self, *args): |
| 1508 | return None |
| 1509 | return MyStr('name') |
| 1510 | t = self.theclass(2005, 3, 2, 0, 0, 0, 0, MyTzInfo(3, 'name')) |
| 1511 | self.assertRaises(TypeError, t.strftime, '%Z') |
| 1512 | |
| 1513 | def test_bad_constructor_arguments(self): |
| 1514 | # bad years |
| 1515 | self.theclass(MINYEAR, 1, 1) # no exception |
| 1516 | self.theclass(MAXYEAR, 1, 1) # no exception |
| 1517 | self.assertRaises(ValueError, self.theclass, MINYEAR-1, 1, 1) |
| 1518 | self.assertRaises(ValueError, self.theclass, MAXYEAR+1, 1, 1) |
| 1519 | # bad months |
| 1520 | self.theclass(2000, 1, 1) # no exception |
| 1521 | self.theclass(2000, 12, 1) # no exception |
| 1522 | self.assertRaises(ValueError, self.theclass, 2000, 0, 1) |
| 1523 | self.assertRaises(ValueError, self.theclass, 2000, 13, 1) |
| 1524 | # bad days |
| 1525 | self.theclass(2000, 2, 29) # no exception |
| 1526 | self.theclass(2004, 2, 29) # no exception |
| 1527 | self.theclass(2400, 2, 29) # no exception |
| 1528 | self.assertRaises(ValueError, self.theclass, 2000, 2, 30) |
| 1529 | self.assertRaises(ValueError, self.theclass, 2001, 2, 29) |
| 1530 | self.assertRaises(ValueError, self.theclass, 2100, 2, 29) |
| 1531 | self.assertRaises(ValueError, self.theclass, 1900, 2, 29) |
| 1532 | self.assertRaises(ValueError, self.theclass, 2000, 1, 0) |
| 1533 | self.assertRaises(ValueError, self.theclass, 2000, 1, 32) |
| 1534 | # bad hours |
| 1535 | self.theclass(2000, 1, 31, 0) # no exception |
| 1536 | self.theclass(2000, 1, 31, 23) # no exception |
| 1537 | self.assertRaises(ValueError, self.theclass, 2000, 1, 31, -1) |
| 1538 | self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 24) |
| 1539 | # bad minutes |
| 1540 | self.theclass(2000, 1, 31, 23, 0) # no exception |
| 1541 | self.theclass(2000, 1, 31, 23, 59) # no exception |
| 1542 | self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, -1) |
| 1543 | self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 60) |
| 1544 | # bad seconds |
| 1545 | self.theclass(2000, 1, 31, 23, 59, 0) # no exception |
| 1546 | self.theclass(2000, 1, 31, 23, 59, 59) # no exception |
| 1547 | self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, -1) |
| 1548 | self.assertRaises(ValueError, self.theclass, 2000, 1, 31, 23, 59, 60) |
| 1549 | # bad microseconds |
| 1550 | self.theclass(2000, 1, 31, 23, 59, 59, 0) # no exception |
| 1551 | self.theclass(2000, 1, 31, 23, 59, 59, 999999) # no exception |
| 1552 | self.assertRaises(ValueError, self.theclass, |
| 1553 | 2000, 1, 31, 23, 59, 59, -1) |
| 1554 | self.assertRaises(ValueError, self.theclass, |
| 1555 | 2000, 1, 31, 23, 59, 59, |
| 1556 | 1000000) |
| 1557 | |
| 1558 | def test_hash_equality(self): |
| 1559 | d = self.theclass(2000, 12, 31, 23, 30, 17) |
| 1560 | e = self.theclass(2000, 12, 31, 23, 30, 17) |
| 1561 | self.assertEqual(d, e) |
| 1562 | self.assertEqual(hash(d), hash(e)) |
| 1563 | |
| 1564 | dic = {d: 1} |
| 1565 | dic[e] = 2 |
| 1566 | self.assertEqual(len(dic), 1) |
| 1567 | self.assertEqual(dic[d], 2) |
| 1568 | self.assertEqual(dic[e], 2) |
| 1569 | |
| 1570 | d = self.theclass(2001, 1, 1, 0, 5, 17) |
| 1571 | e = self.theclass(2001, 1, 1, 0, 5, 17) |
| 1572 | self.assertEqual(d, e) |
| 1573 | self.assertEqual(hash(d), hash(e)) |
| 1574 | |
| 1575 | dic = {d: 1} |
| 1576 | dic[e] = 2 |
| 1577 | self.assertEqual(len(dic), 1) |
| 1578 | self.assertEqual(dic[d], 2) |
| 1579 | self.assertEqual(dic[e], 2) |
| 1580 | |
| 1581 | def test_computations(self): |
| 1582 | a = self.theclass(2002, 1, 31) |
| 1583 | b = self.theclass(1956, 1, 31) |
| 1584 | diff = a-b |
| 1585 | self.assertEqual(diff.days, 46*365 + len(range(1956, 2002, 4))) |
| 1586 | self.assertEqual(diff.seconds, 0) |
| 1587 | self.assertEqual(diff.microseconds, 0) |
| 1588 | a = self.theclass(2002, 3, 2, 17, 6) |
| 1589 | millisec = timedelta(0, 0, 1000) |
| 1590 | hour = timedelta(0, 3600) |
| 1591 | day = timedelta(1) |
| 1592 | week = timedelta(7) |
| 1593 | self.assertEqual(a + hour, self.theclass(2002, 3, 2, 18, 6)) |
| 1594 | self.assertEqual(hour + a, self.theclass(2002, 3, 2, 18, 6)) |
| 1595 | self.assertEqual(a + 10*hour, self.theclass(2002, 3, 3, 3, 6)) |
| 1596 | self.assertEqual(a - hour, self.theclass(2002, 3, 2, 16, 6)) |
| 1597 | self.assertEqual(-hour + a, self.theclass(2002, 3, 2, 16, 6)) |
| 1598 | self.assertEqual(a - hour, a + -hour) |
| 1599 | self.assertEqual(a - 20*hour, self.theclass(2002, 3, 1, 21, 6)) |
| 1600 | self.assertEqual(a + day, self.theclass(2002, 3, 3, 17, 6)) |
| 1601 | self.assertEqual(a - day, self.theclass(2002, 3, 1, 17, 6)) |
| 1602 | self.assertEqual(a + week, self.theclass(2002, 3, 9, 17, 6)) |
| 1603 | self.assertEqual(a - week, self.theclass(2002, 2, 23, 17, 6)) |
| 1604 | self.assertEqual(a + 52*week, self.theclass(2003, 3, 1, 17, 6)) |
| 1605 | self.assertEqual(a - 52*week, self.theclass(2001, 3, 3, 17, 6)) |
| 1606 | self.assertEqual((a + week) - a, week) |
| 1607 | self.assertEqual((a + day) - a, day) |
| 1608 | self.assertEqual((a + hour) - a, hour) |
| 1609 | self.assertEqual((a + millisec) - a, millisec) |
| 1610 | self.assertEqual((a - week) - a, -week) |
| 1611 | self.assertEqual((a - day) - a, -day) |
| 1612 | self.assertEqual((a - hour) - a, -hour) |
| 1613 | self.assertEqual((a - millisec) - a, -millisec) |
| 1614 | self.assertEqual(a - (a + week), -week) |
| 1615 | self.assertEqual(a - (a + day), -day) |
| 1616 | self.assertEqual(a - (a + hour), -hour) |
| 1617 | self.assertEqual(a - (a + millisec), -millisec) |
| 1618 | self.assertEqual(a - (a - week), week) |
| 1619 | self.assertEqual(a - (a - day), day) |
| 1620 | self.assertEqual(a - (a - hour), hour) |
| 1621 | self.assertEqual(a - (a - millisec), millisec) |
| 1622 | self.assertEqual(a + (week + day + hour + millisec), |
| 1623 | self.theclass(2002, 3, 10, 18, 6, 0, 1000)) |
| 1624 | self.assertEqual(a + (week + day + hour + millisec), |
| 1625 | (((a + week) + day) + hour) + millisec) |
| 1626 | self.assertEqual(a - (week + day + hour + millisec), |
| 1627 | self.theclass(2002, 2, 22, 16, 5, 59, 999000)) |
| 1628 | self.assertEqual(a - (week + day + hour + millisec), |
| 1629 | (((a - week) - day) - hour) - millisec) |
| 1630 | # Add/sub ints or floats should be illegal |
| 1631 | for i in 1, 1.0: |
| 1632 | self.assertRaises(TypeError, lambda: a+i) |
| 1633 | self.assertRaises(TypeError, lambda: a-i) |
| 1634 | self.assertRaises(TypeError, lambda: i+a) |
| 1635 | self.assertRaises(TypeError, lambda: i-a) |
| 1636 | |
| 1637 | # delta - datetime is senseless. |
| 1638 | self.assertRaises(TypeError, lambda: day - a) |
| 1639 | # mixing datetime and (delta or datetime) via * or // is senseless |
| 1640 | self.assertRaises(TypeError, lambda: day * a) |
| 1641 | self.assertRaises(TypeError, lambda: a * day) |
| 1642 | self.assertRaises(TypeError, lambda: day // a) |
| 1643 | self.assertRaises(TypeError, lambda: a // day) |
| 1644 | self.assertRaises(TypeError, lambda: a * a) |
| 1645 | self.assertRaises(TypeError, lambda: a // a) |
| 1646 | # datetime + datetime is senseless |
| 1647 | self.assertRaises(TypeError, lambda: a + a) |
| 1648 | |
| 1649 | def test_pickling(self): |
| 1650 | args = 6, 7, 23, 20, 59, 1, 64**2 |
| 1651 | orig = self.theclass(*args) |
| 1652 | for pickler, unpickler, proto in pickle_choices: |
| 1653 | green = pickler.dumps(orig, proto) |
| 1654 | derived = unpickler.loads(green) |
| 1655 | self.assertEqual(orig, derived) |
| 1656 | |
| 1657 | def test_more_pickling(self): |
| 1658 | a = self.theclass(2003, 2, 7, 16, 48, 37, 444116) |
| 1659 | s = pickle.dumps(a) |
| 1660 | b = pickle.loads(s) |
| 1661 | self.assertEqual(b.year, 2003) |
| 1662 | self.assertEqual(b.month, 2) |
| 1663 | self.assertEqual(b.day, 7) |
| 1664 | |
| 1665 | def test_pickling_subclass_datetime(self): |
| 1666 | args = 6, 7, 23, 20, 59, 1, 64**2 |
| 1667 | orig = SubclassDatetime(*args) |
| 1668 | for pickler, unpickler, proto in pickle_choices: |
| 1669 | green = pickler.dumps(orig, proto) |
| 1670 | derived = unpickler.loads(green) |
| 1671 | self.assertEqual(orig, derived) |
| 1672 | |
| 1673 | def test_more_compare(self): |
| 1674 | # The test_compare() inherited from TestDate covers the error cases. |
| 1675 | # We just want to test lexicographic ordering on the members datetime |
| 1676 | # has that date lacks. |
| 1677 | args = [2000, 11, 29, 20, 58, 16, 999998] |
| 1678 | t1 = self.theclass(*args) |
| 1679 | t2 = self.theclass(*args) |
| 1680 | self.assertEqual(t1, t2) |
| 1681 | self.assertTrue(t1 <= t2) |
| 1682 | self.assertTrue(t1 >= t2) |
| 1683 | self.assertTrue(not t1 != t2) |
| 1684 | self.assertTrue(not t1 < t2) |
| 1685 | self.assertTrue(not t1 > t2) |
| 1686 | |
| 1687 | for i in range(len(args)): |
| 1688 | newargs = args[:] |
| 1689 | newargs[i] = args[i] + 1 |
| 1690 | t2 = self.theclass(*newargs) # this is larger than t1 |
| 1691 | self.assertTrue(t1 < t2) |
| 1692 | self.assertTrue(t2 > t1) |
| 1693 | self.assertTrue(t1 <= t2) |
| 1694 | self.assertTrue(t2 >= t1) |
| 1695 | self.assertTrue(t1 != t2) |
| 1696 | self.assertTrue(t2 != t1) |
| 1697 | self.assertTrue(not t1 == t2) |
| 1698 | self.assertTrue(not t2 == t1) |
| 1699 | self.assertTrue(not t1 > t2) |
| 1700 | self.assertTrue(not t2 < t1) |
| 1701 | self.assertTrue(not t1 >= t2) |
| 1702 | self.assertTrue(not t2 <= t1) |
| 1703 | |
| 1704 | |
| 1705 | # A helper for timestamp constructor tests. |
| 1706 | def verify_field_equality(self, expected, got): |
| 1707 | self.assertEqual(expected.tm_year, got.year) |
| 1708 | self.assertEqual(expected.tm_mon, got.month) |
| 1709 | self.assertEqual(expected.tm_mday, got.day) |
| 1710 | self.assertEqual(expected.tm_hour, got.hour) |
| 1711 | self.assertEqual(expected.tm_min, got.minute) |
| 1712 | self.assertEqual(expected.tm_sec, got.second) |
| 1713 | |
| 1714 | def test_fromtimestamp(self): |
| 1715 | import time |
| 1716 | |
| 1717 | ts = time.time() |
| 1718 | expected = time.localtime(ts) |
| 1719 | got = self.theclass.fromtimestamp(ts) |
| 1720 | self.verify_field_equality(expected, got) |
| 1721 | |
| 1722 | def test_utcfromtimestamp(self): |
| 1723 | import time |
| 1724 | |
| 1725 | ts = time.time() |
| 1726 | expected = time.gmtime(ts) |
| 1727 | got = self.theclass.utcfromtimestamp(ts) |
| 1728 | self.verify_field_equality(expected, got) |
| 1729 | |
| 1730 | def test_microsecond_rounding(self): |
| 1731 | # Test whether fromtimestamp "rounds up" floats that are less |
Alexander Belopolsky | aeb0398 | 2010-07-26 02:36:41 +0000 | [diff] [blame] | 1732 | # than 1/2 microsecond smaller than an integer. |
Alexander Belopolsky | 3e62f78 | 2010-09-21 16:30:56 +0000 | [diff] [blame] | 1733 | for fts in [self.theclass.fromtimestamp, |
| 1734 | self.theclass.utcfromtimestamp]: |
| 1735 | self.assertEqual(fts(0.9999999), fts(1)) |
| 1736 | self.assertEqual(fts(0.99999949).microsecond, 999999) |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 1737 | |
| 1738 | def test_insane_fromtimestamp(self): |
| 1739 | # It's possible that some platform maps time_t to double, |
| 1740 | # and that this test will fail there. This test should |
| 1741 | # exempt such platforms (provided they return reasonable |
| 1742 | # results!). |
| 1743 | for insane in -1e200, 1e200: |
| 1744 | self.assertRaises(ValueError, self.theclass.fromtimestamp, |
| 1745 | insane) |
| 1746 | |
| 1747 | def test_insane_utcfromtimestamp(self): |
| 1748 | # It's possible that some platform maps time_t to double, |
| 1749 | # and that this test will fail there. This test should |
| 1750 | # exempt such platforms (provided they return reasonable |
| 1751 | # results!). |
| 1752 | for insane in -1e200, 1e200: |
| 1753 | self.assertRaises(ValueError, self.theclass.utcfromtimestamp, |
| 1754 | insane) |
| 1755 | @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps") |
| 1756 | def test_negative_float_fromtimestamp(self): |
| 1757 | # The result is tz-dependent; at least test that this doesn't |
| 1758 | # fail (like it did before bug 1646728 was fixed). |
| 1759 | self.theclass.fromtimestamp(-1.05) |
| 1760 | |
| 1761 | @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps") |
| 1762 | def test_negative_float_utcfromtimestamp(self): |
| 1763 | d = self.theclass.utcfromtimestamp(-1.05) |
| 1764 | self.assertEqual(d, self.theclass(1969, 12, 31, 23, 59, 58, 950000)) |
| 1765 | |
| 1766 | def test_utcnow(self): |
| 1767 | import time |
| 1768 | |
| 1769 | # Call it a success if utcnow() and utcfromtimestamp() are within |
| 1770 | # a second of each other. |
| 1771 | tolerance = timedelta(seconds=1) |
| 1772 | for dummy in range(3): |
| 1773 | from_now = self.theclass.utcnow() |
| 1774 | from_timestamp = self.theclass.utcfromtimestamp(time.time()) |
| 1775 | if abs(from_timestamp - from_now) <= tolerance: |
| 1776 | break |
| 1777 | # Else try again a few times. |
| 1778 | self.assertTrue(abs(from_timestamp - from_now) <= tolerance) |
| 1779 | |
| 1780 | def test_strptime(self): |
| 1781 | import _strptime |
| 1782 | |
| 1783 | string = '2004-12-01 13:02:47.197' |
| 1784 | format = '%Y-%m-%d %H:%M:%S.%f' |
| 1785 | expected = _strptime._strptime_datetime(self.theclass, string, format) |
| 1786 | got = self.theclass.strptime(string, format) |
| 1787 | self.assertEqual(expected, got) |
| 1788 | self.assertIs(type(expected), self.theclass) |
| 1789 | self.assertIs(type(got), self.theclass) |
| 1790 | |
| 1791 | strptime = self.theclass.strptime |
| 1792 | self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE) |
| 1793 | self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE) |
| 1794 | # Only local timezone and UTC are supported |
| 1795 | for tzseconds, tzname in ((0, 'UTC'), (0, 'GMT'), |
| 1796 | (-_time.timezone, _time.tzname[0])): |
| 1797 | if tzseconds < 0: |
| 1798 | sign = '-' |
| 1799 | seconds = -tzseconds |
| 1800 | else: |
| 1801 | sign ='+' |
| 1802 | seconds = tzseconds |
| 1803 | hours, minutes = divmod(seconds//60, 60) |
| 1804 | dtstr = "{}{:02d}{:02d} {}".format(sign, hours, minutes, tzname) |
| 1805 | dt = strptime(dtstr, "%z %Z") |
| 1806 | self.assertEqual(dt.utcoffset(), timedelta(seconds=tzseconds)) |
| 1807 | self.assertEqual(dt.tzname(), tzname) |
| 1808 | # Can produce inconsistent datetime |
| 1809 | dtstr, fmt = "+1234 UTC", "%z %Z" |
| 1810 | dt = strptime(dtstr, fmt) |
| 1811 | self.assertEqual(dt.utcoffset(), 12 * HOUR + 34 * MINUTE) |
| 1812 | self.assertEqual(dt.tzname(), 'UTC') |
| 1813 | # yet will roundtrip |
| 1814 | self.assertEqual(dt.strftime(fmt), dtstr) |
| 1815 | |
| 1816 | # Produce naive datetime if no %z is provided |
| 1817 | self.assertEqual(strptime("UTC", "%Z").tzinfo, None) |
| 1818 | |
| 1819 | with self.assertRaises(ValueError): strptime("-2400", "%z") |
| 1820 | with self.assertRaises(ValueError): strptime("-000", "%z") |
| 1821 | |
| 1822 | def test_more_timetuple(self): |
| 1823 | # This tests fields beyond those tested by the TestDate.test_timetuple. |
| 1824 | t = self.theclass(2004, 12, 31, 6, 22, 33) |
| 1825 | self.assertEqual(t.timetuple(), (2004, 12, 31, 6, 22, 33, 4, 366, -1)) |
| 1826 | self.assertEqual(t.timetuple(), |
| 1827 | (t.year, t.month, t.day, |
| 1828 | t.hour, t.minute, t.second, |
| 1829 | t.weekday(), |
| 1830 | t.toordinal() - date(t.year, 1, 1).toordinal() + 1, |
| 1831 | -1)) |
| 1832 | tt = t.timetuple() |
| 1833 | self.assertEqual(tt.tm_year, t.year) |
| 1834 | self.assertEqual(tt.tm_mon, t.month) |
| 1835 | self.assertEqual(tt.tm_mday, t.day) |
| 1836 | self.assertEqual(tt.tm_hour, t.hour) |
| 1837 | self.assertEqual(tt.tm_min, t.minute) |
| 1838 | self.assertEqual(tt.tm_sec, t.second) |
| 1839 | self.assertEqual(tt.tm_wday, t.weekday()) |
| 1840 | self.assertEqual(tt.tm_yday, t.toordinal() - |
| 1841 | date(t.year, 1, 1).toordinal() + 1) |
| 1842 | self.assertEqual(tt.tm_isdst, -1) |
| 1843 | |
| 1844 | def test_more_strftime(self): |
| 1845 | # This tests fields beyond those tested by the TestDate.test_strftime. |
| 1846 | t = self.theclass(2004, 12, 31, 6, 22, 33, 47) |
| 1847 | self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"), |
| 1848 | "12 31 04 000047 33 22 06 366") |
| 1849 | |
| 1850 | def test_extract(self): |
| 1851 | dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234) |
| 1852 | self.assertEqual(dt.date(), date(2002, 3, 4)) |
| 1853 | self.assertEqual(dt.time(), time(18, 45, 3, 1234)) |
| 1854 | |
| 1855 | def test_combine(self): |
| 1856 | d = date(2002, 3, 4) |
| 1857 | t = time(18, 45, 3, 1234) |
| 1858 | expected = self.theclass(2002, 3, 4, 18, 45, 3, 1234) |
| 1859 | combine = self.theclass.combine |
| 1860 | dt = combine(d, t) |
| 1861 | self.assertEqual(dt, expected) |
| 1862 | |
| 1863 | dt = combine(time=t, date=d) |
| 1864 | self.assertEqual(dt, expected) |
| 1865 | |
| 1866 | self.assertEqual(d, dt.date()) |
| 1867 | self.assertEqual(t, dt.time()) |
| 1868 | self.assertEqual(dt, combine(dt.date(), dt.time())) |
| 1869 | |
| 1870 | self.assertRaises(TypeError, combine) # need an arg |
| 1871 | self.assertRaises(TypeError, combine, d) # need two args |
| 1872 | self.assertRaises(TypeError, combine, t, d) # args reversed |
| 1873 | self.assertRaises(TypeError, combine, d, t, 1) # too many args |
| 1874 | self.assertRaises(TypeError, combine, "date", "time") # wrong types |
| 1875 | self.assertRaises(TypeError, combine, d, "time") # wrong type |
| 1876 | self.assertRaises(TypeError, combine, "date", t) # wrong type |
| 1877 | |
| 1878 | def test_replace(self): |
| 1879 | cls = self.theclass |
| 1880 | args = [1, 2, 3, 4, 5, 6, 7] |
| 1881 | base = cls(*args) |
| 1882 | self.assertEqual(base, base.replace()) |
| 1883 | |
| 1884 | i = 0 |
| 1885 | for name, newval in (("year", 2), |
| 1886 | ("month", 3), |
| 1887 | ("day", 4), |
| 1888 | ("hour", 5), |
| 1889 | ("minute", 6), |
| 1890 | ("second", 7), |
| 1891 | ("microsecond", 8)): |
| 1892 | newargs = args[:] |
| 1893 | newargs[i] = newval |
| 1894 | expected = cls(*newargs) |
| 1895 | got = base.replace(**{name: newval}) |
| 1896 | self.assertEqual(expected, got) |
| 1897 | i += 1 |
| 1898 | |
| 1899 | # Out of bounds. |
| 1900 | base = cls(2000, 2, 29) |
| 1901 | self.assertRaises(ValueError, base.replace, year=2001) |
| 1902 | |
| 1903 | def test_astimezone(self): |
| 1904 | # Pretty boring! The TZ test is more interesting here. astimezone() |
| 1905 | # simply can't be applied to a naive object. |
| 1906 | dt = self.theclass.now() |
| 1907 | f = FixedOffset(44, "") |
| 1908 | self.assertRaises(TypeError, dt.astimezone) # not enough args |
| 1909 | self.assertRaises(TypeError, dt.astimezone, f, f) # too many args |
| 1910 | self.assertRaises(TypeError, dt.astimezone, dt) # arg wrong type |
| 1911 | self.assertRaises(ValueError, dt.astimezone, f) # naive |
| 1912 | self.assertRaises(ValueError, dt.astimezone, tz=f) # naive |
| 1913 | |
| 1914 | class Bogus(tzinfo): |
| 1915 | def utcoffset(self, dt): return None |
| 1916 | def dst(self, dt): return timedelta(0) |
| 1917 | bog = Bogus() |
| 1918 | self.assertRaises(ValueError, dt.astimezone, bog) # naive |
| 1919 | self.assertRaises(ValueError, |
| 1920 | dt.replace(tzinfo=bog).astimezone, f) |
| 1921 | |
| 1922 | class AlsoBogus(tzinfo): |
| 1923 | def utcoffset(self, dt): return timedelta(0) |
| 1924 | def dst(self, dt): return None |
| 1925 | alsobog = AlsoBogus() |
| 1926 | self.assertRaises(ValueError, dt.astimezone, alsobog) # also naive |
| 1927 | |
| 1928 | def test_subclass_datetime(self): |
| 1929 | |
| 1930 | class C(self.theclass): |
| 1931 | theAnswer = 42 |
| 1932 | |
| 1933 | def __new__(cls, *args, **kws): |
| 1934 | temp = kws.copy() |
| 1935 | extra = temp.pop('extra') |
| 1936 | result = self.theclass.__new__(cls, *args, **temp) |
| 1937 | result.extra = extra |
| 1938 | return result |
| 1939 | |
| 1940 | def newmeth(self, start): |
| 1941 | return start + self.year + self.month + self.second |
| 1942 | |
| 1943 | args = 2003, 4, 14, 12, 13, 41 |
| 1944 | |
| 1945 | dt1 = self.theclass(*args) |
| 1946 | dt2 = C(*args, **{'extra': 7}) |
| 1947 | |
| 1948 | self.assertEqual(dt2.__class__, C) |
| 1949 | self.assertEqual(dt2.theAnswer, 42) |
| 1950 | self.assertEqual(dt2.extra, 7) |
| 1951 | self.assertEqual(dt1.toordinal(), dt2.toordinal()) |
| 1952 | self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month + |
| 1953 | dt1.second - 7) |
| 1954 | |
| 1955 | class TestSubclassDateTime(TestDateTime): |
| 1956 | theclass = SubclassDatetime |
| 1957 | # Override tests not designed for subclass |
| 1958 | def test_roundtrip(self): |
| 1959 | pass |
| 1960 | |
| 1961 | class SubclassTime(time): |
| 1962 | sub_var = 1 |
| 1963 | |
| 1964 | class TestTime(HarmlessMixedComparison, unittest.TestCase): |
| 1965 | |
| 1966 | theclass = time |
| 1967 | |
| 1968 | def test_basic_attributes(self): |
| 1969 | t = self.theclass(12, 0) |
| 1970 | self.assertEqual(t.hour, 12) |
| 1971 | self.assertEqual(t.minute, 0) |
| 1972 | self.assertEqual(t.second, 0) |
| 1973 | self.assertEqual(t.microsecond, 0) |
| 1974 | |
| 1975 | def test_basic_attributes_nonzero(self): |
| 1976 | # Make sure all attributes are non-zero so bugs in |
| 1977 | # bit-shifting access show up. |
| 1978 | t = self.theclass(12, 59, 59, 8000) |
| 1979 | self.assertEqual(t.hour, 12) |
| 1980 | self.assertEqual(t.minute, 59) |
| 1981 | self.assertEqual(t.second, 59) |
| 1982 | self.assertEqual(t.microsecond, 8000) |
| 1983 | |
| 1984 | def test_roundtrip(self): |
| 1985 | t = self.theclass(1, 2, 3, 4) |
| 1986 | |
| 1987 | # Verify t -> string -> time identity. |
| 1988 | s = repr(t) |
| 1989 | self.assertTrue(s.startswith('datetime.')) |
| 1990 | s = s[9:] |
| 1991 | t2 = eval(s) |
| 1992 | self.assertEqual(t, t2) |
| 1993 | |
| 1994 | # Verify identity via reconstructing from pieces. |
| 1995 | t2 = self.theclass(t.hour, t.minute, t.second, |
| 1996 | t.microsecond) |
| 1997 | self.assertEqual(t, t2) |
| 1998 | |
| 1999 | def test_comparing(self): |
| 2000 | args = [1, 2, 3, 4] |
| 2001 | t1 = self.theclass(*args) |
| 2002 | t2 = self.theclass(*args) |
| 2003 | self.assertEqual(t1, t2) |
| 2004 | self.assertTrue(t1 <= t2) |
| 2005 | self.assertTrue(t1 >= t2) |
| 2006 | self.assertTrue(not t1 != t2) |
| 2007 | self.assertTrue(not t1 < t2) |
| 2008 | self.assertTrue(not t1 > t2) |
| 2009 | |
| 2010 | for i in range(len(args)): |
| 2011 | newargs = args[:] |
| 2012 | newargs[i] = args[i] + 1 |
| 2013 | t2 = self.theclass(*newargs) # this is larger than t1 |
| 2014 | self.assertTrue(t1 < t2) |
| 2015 | self.assertTrue(t2 > t1) |
| 2016 | self.assertTrue(t1 <= t2) |
| 2017 | self.assertTrue(t2 >= t1) |
| 2018 | self.assertTrue(t1 != t2) |
| 2019 | self.assertTrue(t2 != t1) |
| 2020 | self.assertTrue(not t1 == t2) |
| 2021 | self.assertTrue(not t2 == t1) |
| 2022 | self.assertTrue(not t1 > t2) |
| 2023 | self.assertTrue(not t2 < t1) |
| 2024 | self.assertTrue(not t1 >= t2) |
| 2025 | self.assertTrue(not t2 <= t1) |
| 2026 | |
| 2027 | for badarg in OTHERSTUFF: |
| 2028 | self.assertEqual(t1 == badarg, False) |
| 2029 | self.assertEqual(t1 != badarg, True) |
| 2030 | self.assertEqual(badarg == t1, False) |
| 2031 | self.assertEqual(badarg != t1, True) |
| 2032 | |
| 2033 | self.assertRaises(TypeError, lambda: t1 <= badarg) |
| 2034 | self.assertRaises(TypeError, lambda: t1 < badarg) |
| 2035 | self.assertRaises(TypeError, lambda: t1 > badarg) |
| 2036 | self.assertRaises(TypeError, lambda: t1 >= badarg) |
| 2037 | self.assertRaises(TypeError, lambda: badarg <= t1) |
| 2038 | self.assertRaises(TypeError, lambda: badarg < t1) |
| 2039 | self.assertRaises(TypeError, lambda: badarg > t1) |
| 2040 | self.assertRaises(TypeError, lambda: badarg >= t1) |
| 2041 | |
| 2042 | def test_bad_constructor_arguments(self): |
| 2043 | # bad hours |
| 2044 | self.theclass(0, 0) # no exception |
| 2045 | self.theclass(23, 0) # no exception |
| 2046 | self.assertRaises(ValueError, self.theclass, -1, 0) |
| 2047 | self.assertRaises(ValueError, self.theclass, 24, 0) |
| 2048 | # bad minutes |
| 2049 | self.theclass(23, 0) # no exception |
| 2050 | self.theclass(23, 59) # no exception |
| 2051 | self.assertRaises(ValueError, self.theclass, 23, -1) |
| 2052 | self.assertRaises(ValueError, self.theclass, 23, 60) |
| 2053 | # bad seconds |
| 2054 | self.theclass(23, 59, 0) # no exception |
| 2055 | self.theclass(23, 59, 59) # no exception |
| 2056 | self.assertRaises(ValueError, self.theclass, 23, 59, -1) |
| 2057 | self.assertRaises(ValueError, self.theclass, 23, 59, 60) |
| 2058 | # bad microseconds |
| 2059 | self.theclass(23, 59, 59, 0) # no exception |
| 2060 | self.theclass(23, 59, 59, 999999) # no exception |
| 2061 | self.assertRaises(ValueError, self.theclass, 23, 59, 59, -1) |
| 2062 | self.assertRaises(ValueError, self.theclass, 23, 59, 59, 1000000) |
| 2063 | |
| 2064 | def test_hash_equality(self): |
| 2065 | d = self.theclass(23, 30, 17) |
| 2066 | e = self.theclass(23, 30, 17) |
| 2067 | self.assertEqual(d, e) |
| 2068 | self.assertEqual(hash(d), hash(e)) |
| 2069 | |
| 2070 | dic = {d: 1} |
| 2071 | dic[e] = 2 |
| 2072 | self.assertEqual(len(dic), 1) |
| 2073 | self.assertEqual(dic[d], 2) |
| 2074 | self.assertEqual(dic[e], 2) |
| 2075 | |
| 2076 | d = self.theclass(0, 5, 17) |
| 2077 | e = self.theclass(0, 5, 17) |
| 2078 | self.assertEqual(d, e) |
| 2079 | self.assertEqual(hash(d), hash(e)) |
| 2080 | |
| 2081 | dic = {d: 1} |
| 2082 | dic[e] = 2 |
| 2083 | self.assertEqual(len(dic), 1) |
| 2084 | self.assertEqual(dic[d], 2) |
| 2085 | self.assertEqual(dic[e], 2) |
| 2086 | |
| 2087 | def test_isoformat(self): |
| 2088 | t = self.theclass(4, 5, 1, 123) |
| 2089 | self.assertEqual(t.isoformat(), "04:05:01.000123") |
| 2090 | self.assertEqual(t.isoformat(), str(t)) |
| 2091 | |
| 2092 | t = self.theclass() |
| 2093 | self.assertEqual(t.isoformat(), "00:00:00") |
| 2094 | self.assertEqual(t.isoformat(), str(t)) |
| 2095 | |
| 2096 | t = self.theclass(microsecond=1) |
| 2097 | self.assertEqual(t.isoformat(), "00:00:00.000001") |
| 2098 | self.assertEqual(t.isoformat(), str(t)) |
| 2099 | |
| 2100 | t = self.theclass(microsecond=10) |
| 2101 | self.assertEqual(t.isoformat(), "00:00:00.000010") |
| 2102 | self.assertEqual(t.isoformat(), str(t)) |
| 2103 | |
| 2104 | t = self.theclass(microsecond=100) |
| 2105 | self.assertEqual(t.isoformat(), "00:00:00.000100") |
| 2106 | self.assertEqual(t.isoformat(), str(t)) |
| 2107 | |
| 2108 | t = self.theclass(microsecond=1000) |
| 2109 | self.assertEqual(t.isoformat(), "00:00:00.001000") |
| 2110 | self.assertEqual(t.isoformat(), str(t)) |
| 2111 | |
| 2112 | t = self.theclass(microsecond=10000) |
| 2113 | self.assertEqual(t.isoformat(), "00:00:00.010000") |
| 2114 | self.assertEqual(t.isoformat(), str(t)) |
| 2115 | |
| 2116 | t = self.theclass(microsecond=100000) |
| 2117 | self.assertEqual(t.isoformat(), "00:00:00.100000") |
| 2118 | self.assertEqual(t.isoformat(), str(t)) |
| 2119 | |
| 2120 | def test_1653736(self): |
| 2121 | # verify it doesn't accept extra keyword arguments |
| 2122 | t = self.theclass(second=1) |
| 2123 | self.assertRaises(TypeError, t.isoformat, foo=3) |
| 2124 | |
| 2125 | def test_strftime(self): |
| 2126 | t = self.theclass(1, 2, 3, 4) |
| 2127 | self.assertEqual(t.strftime('%H %M %S %f'), "01 02 03 000004") |
| 2128 | # A naive object replaces %z and %Z with empty strings. |
| 2129 | self.assertEqual(t.strftime("'%z' '%Z'"), "'' ''") |
| 2130 | |
| 2131 | def test_format(self): |
| 2132 | t = self.theclass(1, 2, 3, 4) |
| 2133 | self.assertEqual(t.__format__(''), str(t)) |
| 2134 | |
| 2135 | # check that a derived class's __str__() gets called |
| 2136 | class A(self.theclass): |
| 2137 | def __str__(self): |
| 2138 | return 'A' |
| 2139 | a = A(1, 2, 3, 4) |
| 2140 | self.assertEqual(a.__format__(''), 'A') |
| 2141 | |
| 2142 | # check that a derived class's strftime gets called |
| 2143 | class B(self.theclass): |
| 2144 | def strftime(self, format_spec): |
| 2145 | return 'B' |
| 2146 | b = B(1, 2, 3, 4) |
| 2147 | self.assertEqual(b.__format__(''), str(t)) |
| 2148 | |
| 2149 | for fmt in ['%H %M %S', |
| 2150 | ]: |
| 2151 | self.assertEqual(t.__format__(fmt), t.strftime(fmt)) |
| 2152 | self.assertEqual(a.__format__(fmt), t.strftime(fmt)) |
| 2153 | self.assertEqual(b.__format__(fmt), 'B') |
| 2154 | |
| 2155 | def test_str(self): |
| 2156 | self.assertEqual(str(self.theclass(1, 2, 3, 4)), "01:02:03.000004") |
| 2157 | self.assertEqual(str(self.theclass(10, 2, 3, 4000)), "10:02:03.004000") |
| 2158 | self.assertEqual(str(self.theclass(0, 2, 3, 400000)), "00:02:03.400000") |
| 2159 | self.assertEqual(str(self.theclass(12, 2, 3, 0)), "12:02:03") |
| 2160 | self.assertEqual(str(self.theclass(23, 15, 0, 0)), "23:15:00") |
| 2161 | |
| 2162 | def test_repr(self): |
| 2163 | name = 'datetime.' + self.theclass.__name__ |
| 2164 | self.assertEqual(repr(self.theclass(1, 2, 3, 4)), |
| 2165 | "%s(1, 2, 3, 4)" % name) |
| 2166 | self.assertEqual(repr(self.theclass(10, 2, 3, 4000)), |
| 2167 | "%s(10, 2, 3, 4000)" % name) |
| 2168 | self.assertEqual(repr(self.theclass(0, 2, 3, 400000)), |
| 2169 | "%s(0, 2, 3, 400000)" % name) |
| 2170 | self.assertEqual(repr(self.theclass(12, 2, 3, 0)), |
| 2171 | "%s(12, 2, 3)" % name) |
| 2172 | self.assertEqual(repr(self.theclass(23, 15, 0, 0)), |
| 2173 | "%s(23, 15)" % name) |
| 2174 | |
| 2175 | def test_resolution_info(self): |
| 2176 | self.assertIsInstance(self.theclass.min, self.theclass) |
| 2177 | self.assertIsInstance(self.theclass.max, self.theclass) |
| 2178 | self.assertIsInstance(self.theclass.resolution, timedelta) |
| 2179 | self.assertTrue(self.theclass.max > self.theclass.min) |
| 2180 | |
| 2181 | def test_pickling(self): |
| 2182 | args = 20, 59, 16, 64**2 |
| 2183 | orig = self.theclass(*args) |
| 2184 | for pickler, unpickler, proto in pickle_choices: |
| 2185 | green = pickler.dumps(orig, proto) |
| 2186 | derived = unpickler.loads(green) |
| 2187 | self.assertEqual(orig, derived) |
| 2188 | |
| 2189 | def test_pickling_subclass_time(self): |
| 2190 | args = 20, 59, 16, 64**2 |
| 2191 | orig = SubclassTime(*args) |
| 2192 | for pickler, unpickler, proto in pickle_choices: |
| 2193 | green = pickler.dumps(orig, proto) |
| 2194 | derived = unpickler.loads(green) |
| 2195 | self.assertEqual(orig, derived) |
| 2196 | |
| 2197 | def test_bool(self): |
| 2198 | cls = self.theclass |
| 2199 | self.assertTrue(cls(1)) |
| 2200 | self.assertTrue(cls(0, 1)) |
| 2201 | self.assertTrue(cls(0, 0, 1)) |
| 2202 | self.assertTrue(cls(0, 0, 0, 1)) |
| 2203 | self.assertTrue(not cls(0)) |
| 2204 | self.assertTrue(not cls()) |
| 2205 | |
| 2206 | def test_replace(self): |
| 2207 | cls = self.theclass |
| 2208 | args = [1, 2, 3, 4] |
| 2209 | base = cls(*args) |
| 2210 | self.assertEqual(base, base.replace()) |
| 2211 | |
| 2212 | i = 0 |
| 2213 | for name, newval in (("hour", 5), |
| 2214 | ("minute", 6), |
| 2215 | ("second", 7), |
| 2216 | ("microsecond", 8)): |
| 2217 | newargs = args[:] |
| 2218 | newargs[i] = newval |
| 2219 | expected = cls(*newargs) |
| 2220 | got = base.replace(**{name: newval}) |
| 2221 | self.assertEqual(expected, got) |
| 2222 | i += 1 |
| 2223 | |
| 2224 | # Out of bounds. |
| 2225 | base = cls(1) |
| 2226 | self.assertRaises(ValueError, base.replace, hour=24) |
| 2227 | self.assertRaises(ValueError, base.replace, minute=-1) |
| 2228 | self.assertRaises(ValueError, base.replace, second=100) |
| 2229 | self.assertRaises(ValueError, base.replace, microsecond=1000000) |
| 2230 | |
| 2231 | def test_subclass_time(self): |
| 2232 | |
| 2233 | class C(self.theclass): |
| 2234 | theAnswer = 42 |
| 2235 | |
| 2236 | def __new__(cls, *args, **kws): |
| 2237 | temp = kws.copy() |
| 2238 | extra = temp.pop('extra') |
| 2239 | result = self.theclass.__new__(cls, *args, **temp) |
| 2240 | result.extra = extra |
| 2241 | return result |
| 2242 | |
| 2243 | def newmeth(self, start): |
| 2244 | return start + self.hour + self.second |
| 2245 | |
| 2246 | args = 4, 5, 6 |
| 2247 | |
| 2248 | dt1 = self.theclass(*args) |
| 2249 | dt2 = C(*args, **{'extra': 7}) |
| 2250 | |
| 2251 | self.assertEqual(dt2.__class__, C) |
| 2252 | self.assertEqual(dt2.theAnswer, 42) |
| 2253 | self.assertEqual(dt2.extra, 7) |
| 2254 | self.assertEqual(dt1.isoformat(), dt2.isoformat()) |
| 2255 | self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7) |
| 2256 | |
| 2257 | def test_backdoor_resistance(self): |
| 2258 | # see TestDate.test_backdoor_resistance(). |
| 2259 | base = '2:59.0' |
| 2260 | for hour_byte in ' ', '9', chr(24), '\xff': |
| 2261 | self.assertRaises(TypeError, self.theclass, |
| 2262 | hour_byte + base[1:]) |
| 2263 | |
| 2264 | # A mixin for classes with a tzinfo= argument. Subclasses must define |
| 2265 | # theclass as a class atribute, and theclass(1, 1, 1, tzinfo=whatever) |
| 2266 | # must be legit (which is true for time and datetime). |
| 2267 | class TZInfoBase: |
| 2268 | |
| 2269 | def test_argument_passing(self): |
| 2270 | cls = self.theclass |
| 2271 | # A datetime passes itself on, a time passes None. |
| 2272 | class introspective(tzinfo): |
| 2273 | def tzname(self, dt): return dt and "real" or "none" |
| 2274 | def utcoffset(self, dt): |
| 2275 | return timedelta(minutes = dt and 42 or -42) |
| 2276 | dst = utcoffset |
| 2277 | |
| 2278 | obj = cls(1, 2, 3, tzinfo=introspective()) |
| 2279 | |
| 2280 | expected = cls is time and "none" or "real" |
| 2281 | self.assertEqual(obj.tzname(), expected) |
| 2282 | |
| 2283 | expected = timedelta(minutes=(cls is time and -42 or 42)) |
| 2284 | self.assertEqual(obj.utcoffset(), expected) |
| 2285 | self.assertEqual(obj.dst(), expected) |
| 2286 | |
| 2287 | def test_bad_tzinfo_classes(self): |
| 2288 | cls = self.theclass |
| 2289 | self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=12) |
| 2290 | |
| 2291 | class NiceTry(object): |
| 2292 | def __init__(self): pass |
| 2293 | def utcoffset(self, dt): pass |
| 2294 | self.assertRaises(TypeError, cls, 1, 1, 1, tzinfo=NiceTry) |
| 2295 | |
| 2296 | class BetterTry(tzinfo): |
| 2297 | def __init__(self): pass |
| 2298 | def utcoffset(self, dt): pass |
| 2299 | b = BetterTry() |
| 2300 | t = cls(1, 1, 1, tzinfo=b) |
| 2301 | self.assertTrue(t.tzinfo is b) |
| 2302 | |
| 2303 | def test_utc_offset_out_of_bounds(self): |
| 2304 | class Edgy(tzinfo): |
| 2305 | def __init__(self, offset): |
| 2306 | self.offset = timedelta(minutes=offset) |
| 2307 | def utcoffset(self, dt): |
| 2308 | return self.offset |
| 2309 | |
| 2310 | cls = self.theclass |
| 2311 | for offset, legit in ((-1440, False), |
| 2312 | (-1439, True), |
| 2313 | (1439, True), |
| 2314 | (1440, False)): |
| 2315 | if cls is time: |
| 2316 | t = cls(1, 2, 3, tzinfo=Edgy(offset)) |
| 2317 | elif cls is datetime: |
| 2318 | t = cls(6, 6, 6, 1, 2, 3, tzinfo=Edgy(offset)) |
| 2319 | else: |
| 2320 | assert 0, "impossible" |
| 2321 | if legit: |
| 2322 | aofs = abs(offset) |
| 2323 | h, m = divmod(aofs, 60) |
| 2324 | tag = "%c%02d:%02d" % (offset < 0 and '-' or '+', h, m) |
| 2325 | if isinstance(t, datetime): |
| 2326 | t = t.timetz() |
| 2327 | self.assertEqual(str(t), "01:02:03" + tag) |
| 2328 | else: |
| 2329 | self.assertRaises(ValueError, str, t) |
| 2330 | |
| 2331 | def test_tzinfo_classes(self): |
| 2332 | cls = self.theclass |
| 2333 | class C1(tzinfo): |
| 2334 | def utcoffset(self, dt): return None |
| 2335 | def dst(self, dt): return None |
| 2336 | def tzname(self, dt): return None |
| 2337 | for t in (cls(1, 1, 1), |
| 2338 | cls(1, 1, 1, tzinfo=None), |
| 2339 | cls(1, 1, 1, tzinfo=C1())): |
| 2340 | self.assertTrue(t.utcoffset() is None) |
| 2341 | self.assertTrue(t.dst() is None) |
| 2342 | self.assertTrue(t.tzname() is None) |
| 2343 | |
| 2344 | class C3(tzinfo): |
| 2345 | def utcoffset(self, dt): return timedelta(minutes=-1439) |
| 2346 | def dst(self, dt): return timedelta(minutes=1439) |
| 2347 | def tzname(self, dt): return "aname" |
| 2348 | t = cls(1, 1, 1, tzinfo=C3()) |
| 2349 | self.assertEqual(t.utcoffset(), timedelta(minutes=-1439)) |
| 2350 | self.assertEqual(t.dst(), timedelta(minutes=1439)) |
| 2351 | self.assertEqual(t.tzname(), "aname") |
| 2352 | |
| 2353 | # Wrong types. |
| 2354 | class C4(tzinfo): |
| 2355 | def utcoffset(self, dt): return "aname" |
| 2356 | def dst(self, dt): return 7 |
| 2357 | def tzname(self, dt): return 0 |
| 2358 | t = cls(1, 1, 1, tzinfo=C4()) |
| 2359 | self.assertRaises(TypeError, t.utcoffset) |
| 2360 | self.assertRaises(TypeError, t.dst) |
| 2361 | self.assertRaises(TypeError, t.tzname) |
| 2362 | |
| 2363 | # Offset out of range. |
| 2364 | class C6(tzinfo): |
| 2365 | def utcoffset(self, dt): return timedelta(hours=-24) |
| 2366 | def dst(self, dt): return timedelta(hours=24) |
| 2367 | t = cls(1, 1, 1, tzinfo=C6()) |
| 2368 | self.assertRaises(ValueError, t.utcoffset) |
| 2369 | self.assertRaises(ValueError, t.dst) |
| 2370 | |
| 2371 | # Not a whole number of minutes. |
| 2372 | class C7(tzinfo): |
| 2373 | def utcoffset(self, dt): return timedelta(seconds=61) |
| 2374 | def dst(self, dt): return timedelta(microseconds=-81) |
| 2375 | t = cls(1, 1, 1, tzinfo=C7()) |
| 2376 | self.assertRaises(ValueError, t.utcoffset) |
| 2377 | self.assertRaises(ValueError, t.dst) |
| 2378 | |
| 2379 | def test_aware_compare(self): |
| 2380 | cls = self.theclass |
| 2381 | |
| 2382 | # Ensure that utcoffset() gets ignored if the comparands have |
| 2383 | # the same tzinfo member. |
| 2384 | class OperandDependentOffset(tzinfo): |
| 2385 | def utcoffset(self, t): |
| 2386 | if t.minute < 10: |
| 2387 | # d0 and d1 equal after adjustment |
| 2388 | return timedelta(minutes=t.minute) |
| 2389 | else: |
| 2390 | # d2 off in the weeds |
| 2391 | return timedelta(minutes=59) |
| 2392 | |
| 2393 | base = cls(8, 9, 10, tzinfo=OperandDependentOffset()) |
| 2394 | d0 = base.replace(minute=3) |
| 2395 | d1 = base.replace(minute=9) |
| 2396 | d2 = base.replace(minute=11) |
| 2397 | for x in d0, d1, d2: |
| 2398 | for y in d0, d1, d2: |
| 2399 | for op in lt, le, gt, ge, eq, ne: |
| 2400 | got = op(x, y) |
| 2401 | expected = op(x.minute, y.minute) |
| 2402 | self.assertEqual(got, expected) |
| 2403 | |
| 2404 | # However, if they're different members, uctoffset is not ignored. |
| 2405 | # Note that a time can't actually have an operand-depedent offset, |
| 2406 | # though (and time.utcoffset() passes None to tzinfo.utcoffset()), |
| 2407 | # so skip this test for time. |
| 2408 | if cls is not time: |
| 2409 | d0 = base.replace(minute=3, tzinfo=OperandDependentOffset()) |
| 2410 | d1 = base.replace(minute=9, tzinfo=OperandDependentOffset()) |
| 2411 | d2 = base.replace(minute=11, tzinfo=OperandDependentOffset()) |
| 2412 | for x in d0, d1, d2: |
| 2413 | for y in d0, d1, d2: |
| 2414 | got = (x > y) - (x < y) |
| 2415 | if (x is d0 or x is d1) and (y is d0 or y is d1): |
| 2416 | expected = 0 |
| 2417 | elif x is y is d2: |
| 2418 | expected = 0 |
| 2419 | elif x is d2: |
| 2420 | expected = -1 |
| 2421 | else: |
| 2422 | assert y is d2 |
| 2423 | expected = 1 |
| 2424 | self.assertEqual(got, expected) |
| 2425 | |
| 2426 | |
| 2427 | # Testing time objects with a non-None tzinfo. |
| 2428 | class TestTimeTZ(TestTime, TZInfoBase, unittest.TestCase): |
| 2429 | theclass = time |
| 2430 | |
| 2431 | def test_empty(self): |
| 2432 | t = self.theclass() |
| 2433 | self.assertEqual(t.hour, 0) |
| 2434 | self.assertEqual(t.minute, 0) |
| 2435 | self.assertEqual(t.second, 0) |
| 2436 | self.assertEqual(t.microsecond, 0) |
| 2437 | self.assertTrue(t.tzinfo is None) |
| 2438 | |
| 2439 | def test_zones(self): |
| 2440 | est = FixedOffset(-300, "EST", 1) |
| 2441 | utc = FixedOffset(0, "UTC", -2) |
| 2442 | met = FixedOffset(60, "MET", 3) |
| 2443 | t1 = time( 7, 47, tzinfo=est) |
| 2444 | t2 = time(12, 47, tzinfo=utc) |
| 2445 | t3 = time(13, 47, tzinfo=met) |
| 2446 | t4 = time(microsecond=40) |
| 2447 | t5 = time(microsecond=40, tzinfo=utc) |
| 2448 | |
| 2449 | self.assertEqual(t1.tzinfo, est) |
| 2450 | self.assertEqual(t2.tzinfo, utc) |
| 2451 | self.assertEqual(t3.tzinfo, met) |
| 2452 | self.assertTrue(t4.tzinfo is None) |
| 2453 | self.assertEqual(t5.tzinfo, utc) |
| 2454 | |
| 2455 | self.assertEqual(t1.utcoffset(), timedelta(minutes=-300)) |
| 2456 | self.assertEqual(t2.utcoffset(), timedelta(minutes=0)) |
| 2457 | self.assertEqual(t3.utcoffset(), timedelta(minutes=60)) |
| 2458 | self.assertTrue(t4.utcoffset() is None) |
| 2459 | self.assertRaises(TypeError, t1.utcoffset, "no args") |
| 2460 | |
| 2461 | self.assertEqual(t1.tzname(), "EST") |
| 2462 | self.assertEqual(t2.tzname(), "UTC") |
| 2463 | self.assertEqual(t3.tzname(), "MET") |
| 2464 | self.assertTrue(t4.tzname() is None) |
| 2465 | self.assertRaises(TypeError, t1.tzname, "no args") |
| 2466 | |
| 2467 | self.assertEqual(t1.dst(), timedelta(minutes=1)) |
| 2468 | self.assertEqual(t2.dst(), timedelta(minutes=-2)) |
| 2469 | self.assertEqual(t3.dst(), timedelta(minutes=3)) |
| 2470 | self.assertTrue(t4.dst() is None) |
| 2471 | self.assertRaises(TypeError, t1.dst, "no args") |
| 2472 | |
| 2473 | self.assertEqual(hash(t1), hash(t2)) |
| 2474 | self.assertEqual(hash(t1), hash(t3)) |
| 2475 | self.assertEqual(hash(t2), hash(t3)) |
| 2476 | |
| 2477 | self.assertEqual(t1, t2) |
| 2478 | self.assertEqual(t1, t3) |
| 2479 | self.assertEqual(t2, t3) |
| 2480 | self.assertRaises(TypeError, lambda: t4 == t5) # mixed tz-aware & naive |
| 2481 | self.assertRaises(TypeError, lambda: t4 < t5) # mixed tz-aware & naive |
| 2482 | self.assertRaises(TypeError, lambda: t5 < t4) # mixed tz-aware & naive |
| 2483 | |
| 2484 | self.assertEqual(str(t1), "07:47:00-05:00") |
| 2485 | self.assertEqual(str(t2), "12:47:00+00:00") |
| 2486 | self.assertEqual(str(t3), "13:47:00+01:00") |
| 2487 | self.assertEqual(str(t4), "00:00:00.000040") |
| 2488 | self.assertEqual(str(t5), "00:00:00.000040+00:00") |
| 2489 | |
| 2490 | self.assertEqual(t1.isoformat(), "07:47:00-05:00") |
| 2491 | self.assertEqual(t2.isoformat(), "12:47:00+00:00") |
| 2492 | self.assertEqual(t3.isoformat(), "13:47:00+01:00") |
| 2493 | self.assertEqual(t4.isoformat(), "00:00:00.000040") |
| 2494 | self.assertEqual(t5.isoformat(), "00:00:00.000040+00:00") |
| 2495 | |
| 2496 | d = 'datetime.time' |
| 2497 | self.assertEqual(repr(t1), d + "(7, 47, tzinfo=est)") |
| 2498 | self.assertEqual(repr(t2), d + "(12, 47, tzinfo=utc)") |
| 2499 | self.assertEqual(repr(t3), d + "(13, 47, tzinfo=met)") |
| 2500 | self.assertEqual(repr(t4), d + "(0, 0, 0, 40)") |
| 2501 | self.assertEqual(repr(t5), d + "(0, 0, 0, 40, tzinfo=utc)") |
| 2502 | |
| 2503 | self.assertEqual(t1.strftime("%H:%M:%S %%Z=%Z %%z=%z"), |
| 2504 | "07:47:00 %Z=EST %z=-0500") |
| 2505 | self.assertEqual(t2.strftime("%H:%M:%S %Z %z"), "12:47:00 UTC +0000") |
| 2506 | self.assertEqual(t3.strftime("%H:%M:%S %Z %z"), "13:47:00 MET +0100") |
| 2507 | |
| 2508 | yuck = FixedOffset(-1439, "%z %Z %%z%%Z") |
| 2509 | t1 = time(23, 59, tzinfo=yuck) |
| 2510 | self.assertEqual(t1.strftime("%H:%M %%Z='%Z' %%z='%z'"), |
| 2511 | "23:59 %Z='%z %Z %%z%%Z' %z='-2359'") |
| 2512 | |
| 2513 | # Check that an invalid tzname result raises an exception. |
| 2514 | class Badtzname(tzinfo): |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 2515 | tz = 42 |
| 2516 | def tzname(self, dt): return self.tz |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 2517 | t = time(2, 3, 4, tzinfo=Badtzname()) |
| 2518 | self.assertEqual(t.strftime("%H:%M:%S"), "02:03:04") |
| 2519 | self.assertRaises(TypeError, t.strftime, "%Z") |
| 2520 | |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 2521 | # Issue #6697: |
| 2522 | if '_Fast' in str(type(self)): |
| 2523 | Badtzname.tz = '\ud800' |
| 2524 | self.assertRaises(ValueError, t.strftime, "%Z") |
| 2525 | |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 2526 | def test_hash_edge_cases(self): |
| 2527 | # Offsets that overflow a basic time. |
| 2528 | t1 = self.theclass(0, 1, 2, 3, tzinfo=FixedOffset(1439, "")) |
| 2529 | t2 = self.theclass(0, 0, 2, 3, tzinfo=FixedOffset(1438, "")) |
| 2530 | self.assertEqual(hash(t1), hash(t2)) |
| 2531 | |
| 2532 | t1 = self.theclass(23, 58, 6, 100, tzinfo=FixedOffset(-1000, "")) |
| 2533 | t2 = self.theclass(23, 48, 6, 100, tzinfo=FixedOffset(-1010, "")) |
| 2534 | self.assertEqual(hash(t1), hash(t2)) |
| 2535 | |
| 2536 | def test_pickling(self): |
| 2537 | # Try one without a tzinfo. |
| 2538 | args = 20, 59, 16, 64**2 |
| 2539 | orig = self.theclass(*args) |
| 2540 | for pickler, unpickler, proto in pickle_choices: |
| 2541 | green = pickler.dumps(orig, proto) |
| 2542 | derived = unpickler.loads(green) |
| 2543 | self.assertEqual(orig, derived) |
| 2544 | |
| 2545 | # Try one with a tzinfo. |
| 2546 | tinfo = PicklableFixedOffset(-300, 'cookie') |
| 2547 | orig = self.theclass(5, 6, 7, tzinfo=tinfo) |
| 2548 | for pickler, unpickler, proto in pickle_choices: |
| 2549 | green = pickler.dumps(orig, proto) |
| 2550 | derived = unpickler.loads(green) |
| 2551 | self.assertEqual(orig, derived) |
| 2552 | self.assertIsInstance(derived.tzinfo, PicklableFixedOffset) |
| 2553 | self.assertEqual(derived.utcoffset(), timedelta(minutes=-300)) |
| 2554 | self.assertEqual(derived.tzname(), 'cookie') |
| 2555 | |
| 2556 | def test_more_bool(self): |
| 2557 | # Test cases with non-None tzinfo. |
| 2558 | cls = self.theclass |
| 2559 | |
| 2560 | t = cls(0, tzinfo=FixedOffset(-300, "")) |
| 2561 | self.assertTrue(t) |
| 2562 | |
| 2563 | t = cls(5, tzinfo=FixedOffset(-300, "")) |
| 2564 | self.assertTrue(t) |
| 2565 | |
| 2566 | t = cls(5, tzinfo=FixedOffset(300, "")) |
| 2567 | self.assertTrue(not t) |
| 2568 | |
| 2569 | t = cls(23, 59, tzinfo=FixedOffset(23*60 + 59, "")) |
| 2570 | self.assertTrue(not t) |
| 2571 | |
| 2572 | # Mostly ensuring this doesn't overflow internally. |
| 2573 | t = cls(0, tzinfo=FixedOffset(23*60 + 59, "")) |
| 2574 | self.assertTrue(t) |
| 2575 | |
| 2576 | # But this should yield a value error -- the utcoffset is bogus. |
| 2577 | t = cls(0, tzinfo=FixedOffset(24*60, "")) |
| 2578 | self.assertRaises(ValueError, lambda: bool(t)) |
| 2579 | |
| 2580 | # Likewise. |
| 2581 | t = cls(0, tzinfo=FixedOffset(-24*60, "")) |
| 2582 | self.assertRaises(ValueError, lambda: bool(t)) |
| 2583 | |
| 2584 | def test_replace(self): |
| 2585 | cls = self.theclass |
| 2586 | z100 = FixedOffset(100, "+100") |
| 2587 | zm200 = FixedOffset(timedelta(minutes=-200), "-200") |
| 2588 | args = [1, 2, 3, 4, z100] |
| 2589 | base = cls(*args) |
| 2590 | self.assertEqual(base, base.replace()) |
| 2591 | |
| 2592 | i = 0 |
| 2593 | for name, newval in (("hour", 5), |
| 2594 | ("minute", 6), |
| 2595 | ("second", 7), |
| 2596 | ("microsecond", 8), |
| 2597 | ("tzinfo", zm200)): |
| 2598 | newargs = args[:] |
| 2599 | newargs[i] = newval |
| 2600 | expected = cls(*newargs) |
| 2601 | got = base.replace(**{name: newval}) |
| 2602 | self.assertEqual(expected, got) |
| 2603 | i += 1 |
| 2604 | |
| 2605 | # Ensure we can get rid of a tzinfo. |
| 2606 | self.assertEqual(base.tzname(), "+100") |
| 2607 | base2 = base.replace(tzinfo=None) |
| 2608 | self.assertTrue(base2.tzinfo is None) |
| 2609 | self.assertTrue(base2.tzname() is None) |
| 2610 | |
| 2611 | # Ensure we can add one. |
| 2612 | base3 = base2.replace(tzinfo=z100) |
| 2613 | self.assertEqual(base, base3) |
| 2614 | self.assertTrue(base.tzinfo is base3.tzinfo) |
| 2615 | |
| 2616 | # Out of bounds. |
| 2617 | base = cls(1) |
| 2618 | self.assertRaises(ValueError, base.replace, hour=24) |
| 2619 | self.assertRaises(ValueError, base.replace, minute=-1) |
| 2620 | self.assertRaises(ValueError, base.replace, second=100) |
| 2621 | self.assertRaises(ValueError, base.replace, microsecond=1000000) |
| 2622 | |
| 2623 | def test_mixed_compare(self): |
| 2624 | t1 = time(1, 2, 3) |
| 2625 | t2 = time(1, 2, 3) |
| 2626 | self.assertEqual(t1, t2) |
| 2627 | t2 = t2.replace(tzinfo=None) |
| 2628 | self.assertEqual(t1, t2) |
| 2629 | t2 = t2.replace(tzinfo=FixedOffset(None, "")) |
| 2630 | self.assertEqual(t1, t2) |
| 2631 | t2 = t2.replace(tzinfo=FixedOffset(0, "")) |
| 2632 | self.assertRaises(TypeError, lambda: t1 == t2) |
| 2633 | |
| 2634 | # In time w/ identical tzinfo objects, utcoffset is ignored. |
| 2635 | class Varies(tzinfo): |
| 2636 | def __init__(self): |
| 2637 | self.offset = timedelta(minutes=22) |
| 2638 | def utcoffset(self, t): |
| 2639 | self.offset += timedelta(minutes=1) |
| 2640 | return self.offset |
| 2641 | |
| 2642 | v = Varies() |
| 2643 | t1 = t2.replace(tzinfo=v) |
| 2644 | t2 = t2.replace(tzinfo=v) |
| 2645 | self.assertEqual(t1.utcoffset(), timedelta(minutes=23)) |
| 2646 | self.assertEqual(t2.utcoffset(), timedelta(minutes=24)) |
| 2647 | self.assertEqual(t1, t2) |
| 2648 | |
| 2649 | # But if they're not identical, it isn't ignored. |
| 2650 | t2 = t2.replace(tzinfo=Varies()) |
| 2651 | self.assertTrue(t1 < t2) # t1's offset counter still going up |
| 2652 | |
| 2653 | def test_subclass_timetz(self): |
| 2654 | |
| 2655 | class C(self.theclass): |
| 2656 | theAnswer = 42 |
| 2657 | |
| 2658 | def __new__(cls, *args, **kws): |
| 2659 | temp = kws.copy() |
| 2660 | extra = temp.pop('extra') |
| 2661 | result = self.theclass.__new__(cls, *args, **temp) |
| 2662 | result.extra = extra |
| 2663 | return result |
| 2664 | |
| 2665 | def newmeth(self, start): |
| 2666 | return start + self.hour + self.second |
| 2667 | |
| 2668 | args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1) |
| 2669 | |
| 2670 | dt1 = self.theclass(*args) |
| 2671 | dt2 = C(*args, **{'extra': 7}) |
| 2672 | |
| 2673 | self.assertEqual(dt2.__class__, C) |
| 2674 | self.assertEqual(dt2.theAnswer, 42) |
| 2675 | self.assertEqual(dt2.extra, 7) |
| 2676 | self.assertEqual(dt1.utcoffset(), dt2.utcoffset()) |
| 2677 | self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7) |
| 2678 | |
| 2679 | |
| 2680 | # Testing datetime objects with a non-None tzinfo. |
| 2681 | |
| 2682 | class TestDateTimeTZ(TestDateTime, TZInfoBase, unittest.TestCase): |
| 2683 | theclass = datetime |
| 2684 | |
| 2685 | def test_trivial(self): |
| 2686 | dt = self.theclass(1, 2, 3, 4, 5, 6, 7) |
| 2687 | self.assertEqual(dt.year, 1) |
| 2688 | self.assertEqual(dt.month, 2) |
| 2689 | self.assertEqual(dt.day, 3) |
| 2690 | self.assertEqual(dt.hour, 4) |
| 2691 | self.assertEqual(dt.minute, 5) |
| 2692 | self.assertEqual(dt.second, 6) |
| 2693 | self.assertEqual(dt.microsecond, 7) |
| 2694 | self.assertEqual(dt.tzinfo, None) |
| 2695 | |
| 2696 | def test_even_more_compare(self): |
| 2697 | # The test_compare() and test_more_compare() inherited from TestDate |
| 2698 | # and TestDateTime covered non-tzinfo cases. |
| 2699 | |
| 2700 | # Smallest possible after UTC adjustment. |
| 2701 | t1 = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "")) |
| 2702 | # Largest possible after UTC adjustment. |
| 2703 | t2 = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999, |
| 2704 | tzinfo=FixedOffset(-1439, "")) |
| 2705 | |
| 2706 | # Make sure those compare correctly, and w/o overflow. |
| 2707 | self.assertTrue(t1 < t2) |
| 2708 | self.assertTrue(t1 != t2) |
| 2709 | self.assertTrue(t2 > t1) |
| 2710 | |
| 2711 | self.assertEqual(t1, t1) |
| 2712 | self.assertEqual(t2, t2) |
| 2713 | |
| 2714 | # Equal afer adjustment. |
| 2715 | t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, "")) |
| 2716 | t2 = self.theclass(2, 1, 1, 3, 13, tzinfo=FixedOffset(3*60+13+2, "")) |
| 2717 | self.assertEqual(t1, t2) |
| 2718 | |
| 2719 | # Change t1 not to subtract a minute, and t1 should be larger. |
| 2720 | t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(0, "")) |
| 2721 | self.assertTrue(t1 > t2) |
| 2722 | |
| 2723 | # Change t1 to subtract 2 minutes, and t1 should be smaller. |
| 2724 | t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(2, "")) |
| 2725 | self.assertTrue(t1 < t2) |
| 2726 | |
| 2727 | # Back to the original t1, but make seconds resolve it. |
| 2728 | t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""), |
| 2729 | second=1) |
| 2730 | self.assertTrue(t1 > t2) |
| 2731 | |
| 2732 | # Likewise, but make microseconds resolve it. |
| 2733 | t1 = self.theclass(1, 12, 31, 23, 59, tzinfo=FixedOffset(1, ""), |
| 2734 | microsecond=1) |
| 2735 | self.assertTrue(t1 > t2) |
| 2736 | |
| 2737 | # Make t2 naive and it should fail. |
| 2738 | t2 = self.theclass.min |
| 2739 | self.assertRaises(TypeError, lambda: t1 == t2) |
| 2740 | self.assertEqual(t2, t2) |
| 2741 | |
| 2742 | # It's also naive if it has tzinfo but tzinfo.utcoffset() is None. |
| 2743 | class Naive(tzinfo): |
| 2744 | def utcoffset(self, dt): return None |
| 2745 | t2 = self.theclass(5, 6, 7, tzinfo=Naive()) |
| 2746 | self.assertRaises(TypeError, lambda: t1 == t2) |
| 2747 | self.assertEqual(t2, t2) |
| 2748 | |
| 2749 | # OTOH, it's OK to compare two of these mixing the two ways of being |
| 2750 | # naive. |
| 2751 | t1 = self.theclass(5, 6, 7) |
| 2752 | self.assertEqual(t1, t2) |
| 2753 | |
| 2754 | # Try a bogus uctoffset. |
| 2755 | class Bogus(tzinfo): |
| 2756 | def utcoffset(self, dt): |
| 2757 | return timedelta(minutes=1440) # out of bounds |
| 2758 | t1 = self.theclass(2, 2, 2, tzinfo=Bogus()) |
| 2759 | t2 = self.theclass(2, 2, 2, tzinfo=FixedOffset(0, "")) |
| 2760 | self.assertRaises(ValueError, lambda: t1 == t2) |
| 2761 | |
| 2762 | def test_pickling(self): |
| 2763 | # Try one without a tzinfo. |
| 2764 | args = 6, 7, 23, 20, 59, 1, 64**2 |
| 2765 | orig = self.theclass(*args) |
| 2766 | for pickler, unpickler, proto in pickle_choices: |
| 2767 | green = pickler.dumps(orig, proto) |
| 2768 | derived = unpickler.loads(green) |
| 2769 | self.assertEqual(orig, derived) |
| 2770 | |
| 2771 | # Try one with a tzinfo. |
| 2772 | tinfo = PicklableFixedOffset(-300, 'cookie') |
| 2773 | orig = self.theclass(*args, **{'tzinfo': tinfo}) |
| 2774 | derived = self.theclass(1, 1, 1, tzinfo=FixedOffset(0, "", 0)) |
| 2775 | for pickler, unpickler, proto in pickle_choices: |
| 2776 | green = pickler.dumps(orig, proto) |
| 2777 | derived = unpickler.loads(green) |
| 2778 | self.assertEqual(orig, derived) |
| 2779 | self.assertIsInstance(derived.tzinfo, PicklableFixedOffset) |
| 2780 | self.assertEqual(derived.utcoffset(), timedelta(minutes=-300)) |
| 2781 | self.assertEqual(derived.tzname(), 'cookie') |
| 2782 | |
| 2783 | def test_extreme_hashes(self): |
| 2784 | # If an attempt is made to hash these via subtracting the offset |
| 2785 | # then hashing a datetime object, OverflowError results. The |
| 2786 | # Python implementation used to blow up here. |
| 2787 | t = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "")) |
| 2788 | hash(t) |
| 2789 | t = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999, |
| 2790 | tzinfo=FixedOffset(-1439, "")) |
| 2791 | hash(t) |
| 2792 | |
| 2793 | # OTOH, an OOB offset should blow up. |
| 2794 | t = self.theclass(5, 5, 5, tzinfo=FixedOffset(-1440, "")) |
| 2795 | self.assertRaises(ValueError, hash, t) |
| 2796 | |
| 2797 | def test_zones(self): |
| 2798 | est = FixedOffset(-300, "EST") |
| 2799 | utc = FixedOffset(0, "UTC") |
| 2800 | met = FixedOffset(60, "MET") |
| 2801 | t1 = datetime(2002, 3, 19, 7, 47, tzinfo=est) |
| 2802 | t2 = datetime(2002, 3, 19, 12, 47, tzinfo=utc) |
| 2803 | t3 = datetime(2002, 3, 19, 13, 47, tzinfo=met) |
| 2804 | self.assertEqual(t1.tzinfo, est) |
| 2805 | self.assertEqual(t2.tzinfo, utc) |
| 2806 | self.assertEqual(t3.tzinfo, met) |
| 2807 | self.assertEqual(t1.utcoffset(), timedelta(minutes=-300)) |
| 2808 | self.assertEqual(t2.utcoffset(), timedelta(minutes=0)) |
| 2809 | self.assertEqual(t3.utcoffset(), timedelta(minutes=60)) |
| 2810 | self.assertEqual(t1.tzname(), "EST") |
| 2811 | self.assertEqual(t2.tzname(), "UTC") |
| 2812 | self.assertEqual(t3.tzname(), "MET") |
| 2813 | self.assertEqual(hash(t1), hash(t2)) |
| 2814 | self.assertEqual(hash(t1), hash(t3)) |
| 2815 | self.assertEqual(hash(t2), hash(t3)) |
| 2816 | self.assertEqual(t1, t2) |
| 2817 | self.assertEqual(t1, t3) |
| 2818 | self.assertEqual(t2, t3) |
| 2819 | self.assertEqual(str(t1), "2002-03-19 07:47:00-05:00") |
| 2820 | self.assertEqual(str(t2), "2002-03-19 12:47:00+00:00") |
| 2821 | self.assertEqual(str(t3), "2002-03-19 13:47:00+01:00") |
| 2822 | d = 'datetime.datetime(2002, 3, 19, ' |
| 2823 | self.assertEqual(repr(t1), d + "7, 47, tzinfo=est)") |
| 2824 | self.assertEqual(repr(t2), d + "12, 47, tzinfo=utc)") |
| 2825 | self.assertEqual(repr(t3), d + "13, 47, tzinfo=met)") |
| 2826 | |
| 2827 | def test_combine(self): |
| 2828 | met = FixedOffset(60, "MET") |
| 2829 | d = date(2002, 3, 4) |
| 2830 | tz = time(18, 45, 3, 1234, tzinfo=met) |
| 2831 | dt = datetime.combine(d, tz) |
| 2832 | self.assertEqual(dt, datetime(2002, 3, 4, 18, 45, 3, 1234, |
| 2833 | tzinfo=met)) |
| 2834 | |
| 2835 | def test_extract(self): |
| 2836 | met = FixedOffset(60, "MET") |
| 2837 | dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234, tzinfo=met) |
| 2838 | self.assertEqual(dt.date(), date(2002, 3, 4)) |
| 2839 | self.assertEqual(dt.time(), time(18, 45, 3, 1234)) |
| 2840 | self.assertEqual(dt.timetz(), time(18, 45, 3, 1234, tzinfo=met)) |
| 2841 | |
| 2842 | def test_tz_aware_arithmetic(self): |
| 2843 | import random |
| 2844 | |
| 2845 | now = self.theclass.now() |
| 2846 | tz55 = FixedOffset(-330, "west 5:30") |
| 2847 | timeaware = now.time().replace(tzinfo=tz55) |
| 2848 | nowaware = self.theclass.combine(now.date(), timeaware) |
| 2849 | self.assertTrue(nowaware.tzinfo is tz55) |
| 2850 | self.assertEqual(nowaware.timetz(), timeaware) |
| 2851 | |
| 2852 | # Can't mix aware and non-aware. |
| 2853 | self.assertRaises(TypeError, lambda: now - nowaware) |
| 2854 | self.assertRaises(TypeError, lambda: nowaware - now) |
| 2855 | |
| 2856 | # And adding datetime's doesn't make sense, aware or not. |
| 2857 | self.assertRaises(TypeError, lambda: now + nowaware) |
| 2858 | self.assertRaises(TypeError, lambda: nowaware + now) |
| 2859 | self.assertRaises(TypeError, lambda: nowaware + nowaware) |
| 2860 | |
| 2861 | # Subtracting should yield 0. |
| 2862 | self.assertEqual(now - now, timedelta(0)) |
| 2863 | self.assertEqual(nowaware - nowaware, timedelta(0)) |
| 2864 | |
| 2865 | # Adding a delta should preserve tzinfo. |
| 2866 | delta = timedelta(weeks=1, minutes=12, microseconds=5678) |
| 2867 | nowawareplus = nowaware + delta |
| 2868 | self.assertTrue(nowaware.tzinfo is tz55) |
| 2869 | nowawareplus2 = delta + nowaware |
| 2870 | self.assertTrue(nowawareplus2.tzinfo is tz55) |
| 2871 | self.assertEqual(nowawareplus, nowawareplus2) |
| 2872 | |
| 2873 | # that - delta should be what we started with, and that - what we |
| 2874 | # started with should be delta. |
| 2875 | diff = nowawareplus - delta |
| 2876 | self.assertTrue(diff.tzinfo is tz55) |
| 2877 | self.assertEqual(nowaware, diff) |
| 2878 | self.assertRaises(TypeError, lambda: delta - nowawareplus) |
| 2879 | self.assertEqual(nowawareplus - nowaware, delta) |
| 2880 | |
| 2881 | # Make up a random timezone. |
| 2882 | tzr = FixedOffset(random.randrange(-1439, 1440), "randomtimezone") |
| 2883 | # Attach it to nowawareplus. |
| 2884 | nowawareplus = nowawareplus.replace(tzinfo=tzr) |
| 2885 | self.assertTrue(nowawareplus.tzinfo is tzr) |
| 2886 | # Make sure the difference takes the timezone adjustments into account. |
| 2887 | got = nowaware - nowawareplus |
| 2888 | # Expected: (nowaware base - nowaware offset) - |
| 2889 | # (nowawareplus base - nowawareplus offset) = |
| 2890 | # (nowaware base - nowawareplus base) + |
| 2891 | # (nowawareplus offset - nowaware offset) = |
| 2892 | # -delta + nowawareplus offset - nowaware offset |
| 2893 | expected = nowawareplus.utcoffset() - nowaware.utcoffset() - delta |
| 2894 | self.assertEqual(got, expected) |
| 2895 | |
| 2896 | # Try max possible difference. |
| 2897 | min = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, "min")) |
| 2898 | max = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999, |
| 2899 | tzinfo=FixedOffset(-1439, "max")) |
| 2900 | maxdiff = max - min |
| 2901 | self.assertEqual(maxdiff, self.theclass.max - self.theclass.min + |
| 2902 | timedelta(minutes=2*1439)) |
| 2903 | # Different tzinfo, but the same offset |
| 2904 | tza = timezone(HOUR, 'A') |
| 2905 | tzb = timezone(HOUR, 'B') |
| 2906 | delta = min.replace(tzinfo=tza) - max.replace(tzinfo=tzb) |
| 2907 | self.assertEqual(delta, self.theclass.min - self.theclass.max) |
| 2908 | |
| 2909 | def test_tzinfo_now(self): |
| 2910 | meth = self.theclass.now |
| 2911 | # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| 2912 | base = meth() |
| 2913 | # Try with and without naming the keyword. |
| 2914 | off42 = FixedOffset(42, "42") |
| 2915 | another = meth(off42) |
| 2916 | again = meth(tz=off42) |
| 2917 | self.assertTrue(another.tzinfo is again.tzinfo) |
| 2918 | self.assertEqual(another.utcoffset(), timedelta(minutes=42)) |
| 2919 | # Bad argument with and w/o naming the keyword. |
| 2920 | self.assertRaises(TypeError, meth, 16) |
| 2921 | self.assertRaises(TypeError, meth, tzinfo=16) |
| 2922 | # Bad keyword name. |
| 2923 | self.assertRaises(TypeError, meth, tinfo=off42) |
| 2924 | # Too many args. |
| 2925 | self.assertRaises(TypeError, meth, off42, off42) |
| 2926 | |
| 2927 | # We don't know which time zone we're in, and don't have a tzinfo |
| 2928 | # class to represent it, so seeing whether a tz argument actually |
| 2929 | # does a conversion is tricky. |
| 2930 | utc = FixedOffset(0, "utc", 0) |
| 2931 | for weirdtz in [FixedOffset(timedelta(hours=15, minutes=58), "weirdtz", 0), |
| 2932 | timezone(timedelta(hours=15, minutes=58), "weirdtz"),]: |
| 2933 | for dummy in range(3): |
| 2934 | now = datetime.now(weirdtz) |
| 2935 | self.assertTrue(now.tzinfo is weirdtz) |
| 2936 | utcnow = datetime.utcnow().replace(tzinfo=utc) |
| 2937 | now2 = utcnow.astimezone(weirdtz) |
| 2938 | if abs(now - now2) < timedelta(seconds=30): |
| 2939 | break |
| 2940 | # Else the code is broken, or more than 30 seconds passed between |
| 2941 | # calls; assuming the latter, just try again. |
| 2942 | else: |
| 2943 | # Three strikes and we're out. |
| 2944 | self.fail("utcnow(), now(tz), or astimezone() may be broken") |
| 2945 | |
| 2946 | def test_tzinfo_fromtimestamp(self): |
| 2947 | import time |
| 2948 | meth = self.theclass.fromtimestamp |
| 2949 | ts = time.time() |
| 2950 | # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| 2951 | base = meth(ts) |
| 2952 | # Try with and without naming the keyword. |
| 2953 | off42 = FixedOffset(42, "42") |
| 2954 | another = meth(ts, off42) |
| 2955 | again = meth(ts, tz=off42) |
| 2956 | self.assertTrue(another.tzinfo is again.tzinfo) |
| 2957 | self.assertEqual(another.utcoffset(), timedelta(minutes=42)) |
| 2958 | # Bad argument with and w/o naming the keyword. |
| 2959 | self.assertRaises(TypeError, meth, ts, 16) |
| 2960 | self.assertRaises(TypeError, meth, ts, tzinfo=16) |
| 2961 | # Bad keyword name. |
| 2962 | self.assertRaises(TypeError, meth, ts, tinfo=off42) |
| 2963 | # Too many args. |
| 2964 | self.assertRaises(TypeError, meth, ts, off42, off42) |
| 2965 | # Too few args. |
| 2966 | self.assertRaises(TypeError, meth) |
| 2967 | |
| 2968 | # Try to make sure tz= actually does some conversion. |
| 2969 | timestamp = 1000000000 |
| 2970 | utcdatetime = datetime.utcfromtimestamp(timestamp) |
| 2971 | # In POSIX (epoch 1970), that's 2001-09-09 01:46:40 UTC, give or take. |
| 2972 | # But on some flavor of Mac, it's nowhere near that. So we can't have |
| 2973 | # any idea here what time that actually is, we can only test that |
| 2974 | # relative changes match. |
| 2975 | utcoffset = timedelta(hours=-15, minutes=39) # arbitrary, but not zero |
| 2976 | tz = FixedOffset(utcoffset, "tz", 0) |
| 2977 | expected = utcdatetime + utcoffset |
| 2978 | got = datetime.fromtimestamp(timestamp, tz) |
| 2979 | self.assertEqual(expected, got.replace(tzinfo=None)) |
| 2980 | |
| 2981 | def test_tzinfo_utcnow(self): |
| 2982 | meth = self.theclass.utcnow |
| 2983 | # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| 2984 | base = meth() |
| 2985 | # Try with and without naming the keyword; for whatever reason, |
| 2986 | # utcnow() doesn't accept a tzinfo argument. |
| 2987 | off42 = FixedOffset(42, "42") |
| 2988 | self.assertRaises(TypeError, meth, off42) |
| 2989 | self.assertRaises(TypeError, meth, tzinfo=off42) |
| 2990 | |
| 2991 | def test_tzinfo_utcfromtimestamp(self): |
| 2992 | import time |
| 2993 | meth = self.theclass.utcfromtimestamp |
| 2994 | ts = time.time() |
| 2995 | # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up). |
| 2996 | base = meth(ts) |
| 2997 | # Try with and without naming the keyword; for whatever reason, |
| 2998 | # utcfromtimestamp() doesn't accept a tzinfo argument. |
| 2999 | off42 = FixedOffset(42, "42") |
| 3000 | self.assertRaises(TypeError, meth, ts, off42) |
| 3001 | self.assertRaises(TypeError, meth, ts, tzinfo=off42) |
| 3002 | |
| 3003 | def test_tzinfo_timetuple(self): |
| 3004 | # TestDateTime tested most of this. datetime adds a twist to the |
| 3005 | # DST flag. |
| 3006 | class DST(tzinfo): |
| 3007 | def __init__(self, dstvalue): |
| 3008 | if isinstance(dstvalue, int): |
| 3009 | dstvalue = timedelta(minutes=dstvalue) |
| 3010 | self.dstvalue = dstvalue |
| 3011 | def dst(self, dt): |
| 3012 | return self.dstvalue |
| 3013 | |
| 3014 | cls = self.theclass |
| 3015 | for dstvalue, flag in (-33, 1), (33, 1), (0, 0), (None, -1): |
| 3016 | d = cls(1, 1, 1, 10, 20, 30, 40, tzinfo=DST(dstvalue)) |
| 3017 | t = d.timetuple() |
| 3018 | self.assertEqual(1, t.tm_year) |
| 3019 | self.assertEqual(1, t.tm_mon) |
| 3020 | self.assertEqual(1, t.tm_mday) |
| 3021 | self.assertEqual(10, t.tm_hour) |
| 3022 | self.assertEqual(20, t.tm_min) |
| 3023 | self.assertEqual(30, t.tm_sec) |
| 3024 | self.assertEqual(0, t.tm_wday) |
| 3025 | self.assertEqual(1, t.tm_yday) |
| 3026 | self.assertEqual(flag, t.tm_isdst) |
| 3027 | |
| 3028 | # dst() returns wrong type. |
| 3029 | self.assertRaises(TypeError, cls(1, 1, 1, tzinfo=DST("x")).timetuple) |
| 3030 | |
| 3031 | # dst() at the edge. |
| 3032 | self.assertEqual(cls(1,1,1, tzinfo=DST(1439)).timetuple().tm_isdst, 1) |
| 3033 | self.assertEqual(cls(1,1,1, tzinfo=DST(-1439)).timetuple().tm_isdst, 1) |
| 3034 | |
| 3035 | # dst() out of range. |
| 3036 | self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(1440)).timetuple) |
| 3037 | self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(-1440)).timetuple) |
| 3038 | |
| 3039 | def test_utctimetuple(self): |
| 3040 | class DST(tzinfo): |
| 3041 | def __init__(self, dstvalue=0): |
| 3042 | if isinstance(dstvalue, int): |
| 3043 | dstvalue = timedelta(minutes=dstvalue) |
| 3044 | self.dstvalue = dstvalue |
| 3045 | def dst(self, dt): |
| 3046 | return self.dstvalue |
| 3047 | |
| 3048 | cls = self.theclass |
| 3049 | # This can't work: DST didn't implement utcoffset. |
| 3050 | self.assertRaises(NotImplementedError, |
| 3051 | cls(1, 1, 1, tzinfo=DST(0)).utcoffset) |
| 3052 | |
| 3053 | class UOFS(DST): |
| 3054 | def __init__(self, uofs, dofs=None): |
| 3055 | DST.__init__(self, dofs) |
| 3056 | self.uofs = timedelta(minutes=uofs) |
| 3057 | def utcoffset(self, dt): |
| 3058 | return self.uofs |
| 3059 | |
| 3060 | for dstvalue in -33, 33, 0, None: |
| 3061 | d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=UOFS(-53, dstvalue)) |
| 3062 | t = d.utctimetuple() |
| 3063 | self.assertEqual(d.year, t.tm_year) |
| 3064 | self.assertEqual(d.month, t.tm_mon) |
| 3065 | self.assertEqual(d.day, t.tm_mday) |
| 3066 | self.assertEqual(11, t.tm_hour) # 20mm + 53mm = 1hn + 13mm |
| 3067 | self.assertEqual(13, t.tm_min) |
| 3068 | self.assertEqual(d.second, t.tm_sec) |
| 3069 | self.assertEqual(d.weekday(), t.tm_wday) |
| 3070 | self.assertEqual(d.toordinal() - date(1, 1, 1).toordinal() + 1, |
| 3071 | t.tm_yday) |
| 3072 | # Ensure tm_isdst is 0 regardless of what dst() says: DST |
| 3073 | # is never in effect for a UTC time. |
| 3074 | self.assertEqual(0, t.tm_isdst) |
| 3075 | |
| 3076 | # For naive datetime, utctimetuple == timetuple except for isdst |
| 3077 | d = cls(1, 2, 3, 10, 20, 30, 40) |
| 3078 | t = d.utctimetuple() |
| 3079 | self.assertEqual(t[:-1], d.timetuple()[:-1]) |
| 3080 | self.assertEqual(0, t.tm_isdst) |
| 3081 | # Same if utcoffset is None |
| 3082 | class NOFS(DST): |
| 3083 | def utcoffset(self, dt): |
| 3084 | return None |
| 3085 | d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=NOFS()) |
| 3086 | t = d.utctimetuple() |
| 3087 | self.assertEqual(t[:-1], d.timetuple()[:-1]) |
| 3088 | self.assertEqual(0, t.tm_isdst) |
| 3089 | # Check that bad tzinfo is detected |
| 3090 | class BOFS(DST): |
| 3091 | def utcoffset(self, dt): |
| 3092 | return "EST" |
| 3093 | d = cls(1, 2, 3, 10, 20, 30, 40, tzinfo=BOFS()) |
| 3094 | self.assertRaises(TypeError, d.utctimetuple) |
| 3095 | |
| 3096 | # Check that utctimetuple() is the same as |
| 3097 | # astimezone(utc).timetuple() |
| 3098 | d = cls(2010, 11, 13, 14, 15, 16, 171819) |
| 3099 | for tz in [timezone.min, timezone.utc, timezone.max]: |
| 3100 | dtz = d.replace(tzinfo=tz) |
| 3101 | self.assertEqual(dtz.utctimetuple()[:-1], |
| 3102 | dtz.astimezone(timezone.utc).timetuple()[:-1]) |
| 3103 | # At the edges, UTC adjustment can produce years out-of-range |
| 3104 | # for a datetime object. Ensure that an OverflowError is |
| 3105 | # raised. |
| 3106 | tiny = cls(MINYEAR, 1, 1, 0, 0, 37, tzinfo=UOFS(1439)) |
| 3107 | # That goes back 1 minute less than a full day. |
| 3108 | self.assertRaises(OverflowError, tiny.utctimetuple) |
| 3109 | |
| 3110 | huge = cls(MAXYEAR, 12, 31, 23, 59, 37, 999999, tzinfo=UOFS(-1439)) |
| 3111 | # That goes forward 1 minute less than a full day. |
| 3112 | self.assertRaises(OverflowError, huge.utctimetuple) |
| 3113 | # More overflow cases |
| 3114 | tiny = cls.min.replace(tzinfo=timezone(MINUTE)) |
| 3115 | self.assertRaises(OverflowError, tiny.utctimetuple) |
| 3116 | huge = cls.max.replace(tzinfo=timezone(-MINUTE)) |
| 3117 | self.assertRaises(OverflowError, huge.utctimetuple) |
| 3118 | |
| 3119 | def test_tzinfo_isoformat(self): |
| 3120 | zero = FixedOffset(0, "+00:00") |
| 3121 | plus = FixedOffset(220, "+03:40") |
| 3122 | minus = FixedOffset(-231, "-03:51") |
| 3123 | unknown = FixedOffset(None, "") |
| 3124 | |
| 3125 | cls = self.theclass |
| 3126 | datestr = '0001-02-03' |
| 3127 | for ofs in None, zero, plus, minus, unknown: |
| 3128 | for us in 0, 987001: |
| 3129 | d = cls(1, 2, 3, 4, 5, 59, us, tzinfo=ofs) |
| 3130 | timestr = '04:05:59' + (us and '.987001' or '') |
| 3131 | ofsstr = ofs is not None and d.tzname() or '' |
| 3132 | tailstr = timestr + ofsstr |
| 3133 | iso = d.isoformat() |
| 3134 | self.assertEqual(iso, datestr + 'T' + tailstr) |
| 3135 | self.assertEqual(iso, d.isoformat('T')) |
| 3136 | self.assertEqual(d.isoformat('k'), datestr + 'k' + tailstr) |
| 3137 | self.assertEqual(d.isoformat('\u1234'), datestr + '\u1234' + tailstr) |
| 3138 | self.assertEqual(str(d), datestr + ' ' + tailstr) |
| 3139 | |
| 3140 | def test_replace(self): |
| 3141 | cls = self.theclass |
| 3142 | z100 = FixedOffset(100, "+100") |
| 3143 | zm200 = FixedOffset(timedelta(minutes=-200), "-200") |
| 3144 | args = [1, 2, 3, 4, 5, 6, 7, z100] |
| 3145 | base = cls(*args) |
| 3146 | self.assertEqual(base, base.replace()) |
| 3147 | |
| 3148 | i = 0 |
| 3149 | for name, newval in (("year", 2), |
| 3150 | ("month", 3), |
| 3151 | ("day", 4), |
| 3152 | ("hour", 5), |
| 3153 | ("minute", 6), |
| 3154 | ("second", 7), |
| 3155 | ("microsecond", 8), |
| 3156 | ("tzinfo", zm200)): |
| 3157 | newargs = args[:] |
| 3158 | newargs[i] = newval |
| 3159 | expected = cls(*newargs) |
| 3160 | got = base.replace(**{name: newval}) |
| 3161 | self.assertEqual(expected, got) |
| 3162 | i += 1 |
| 3163 | |
| 3164 | # Ensure we can get rid of a tzinfo. |
| 3165 | self.assertEqual(base.tzname(), "+100") |
| 3166 | base2 = base.replace(tzinfo=None) |
| 3167 | self.assertTrue(base2.tzinfo is None) |
| 3168 | self.assertTrue(base2.tzname() is None) |
| 3169 | |
| 3170 | # Ensure we can add one. |
| 3171 | base3 = base2.replace(tzinfo=z100) |
| 3172 | self.assertEqual(base, base3) |
| 3173 | self.assertTrue(base.tzinfo is base3.tzinfo) |
| 3174 | |
| 3175 | # Out of bounds. |
| 3176 | base = cls(2000, 2, 29) |
| 3177 | self.assertRaises(ValueError, base.replace, year=2001) |
| 3178 | |
| 3179 | def test_more_astimezone(self): |
| 3180 | # The inherited test_astimezone covered some trivial and error cases. |
| 3181 | fnone = FixedOffset(None, "None") |
| 3182 | f44m = FixedOffset(44, "44") |
| 3183 | fm5h = FixedOffset(-timedelta(hours=5), "m300") |
| 3184 | |
| 3185 | dt = self.theclass.now(tz=f44m) |
| 3186 | self.assertTrue(dt.tzinfo is f44m) |
| 3187 | # Replacing with degenerate tzinfo raises an exception. |
| 3188 | self.assertRaises(ValueError, dt.astimezone, fnone) |
| 3189 | # Ditto with None tz. |
| 3190 | self.assertRaises(TypeError, dt.astimezone, None) |
| 3191 | # Replacing with same tzinfo makes no change. |
| 3192 | x = dt.astimezone(dt.tzinfo) |
| 3193 | self.assertTrue(x.tzinfo is f44m) |
| 3194 | self.assertEqual(x.date(), dt.date()) |
| 3195 | self.assertEqual(x.time(), dt.time()) |
| 3196 | |
| 3197 | # Replacing with different tzinfo does adjust. |
| 3198 | got = dt.astimezone(fm5h) |
| 3199 | self.assertTrue(got.tzinfo is fm5h) |
| 3200 | self.assertEqual(got.utcoffset(), timedelta(hours=-5)) |
| 3201 | expected = dt - dt.utcoffset() # in effect, convert to UTC |
| 3202 | expected += fm5h.utcoffset(dt) # and from there to local time |
| 3203 | expected = expected.replace(tzinfo=fm5h) # and attach new tzinfo |
| 3204 | self.assertEqual(got.date(), expected.date()) |
| 3205 | self.assertEqual(got.time(), expected.time()) |
| 3206 | self.assertEqual(got.timetz(), expected.timetz()) |
| 3207 | self.assertTrue(got.tzinfo is expected.tzinfo) |
| 3208 | self.assertEqual(got, expected) |
| 3209 | |
| 3210 | def test_aware_subtract(self): |
| 3211 | cls = self.theclass |
| 3212 | |
| 3213 | # Ensure that utcoffset() is ignored when the operands have the |
| 3214 | # same tzinfo member. |
| 3215 | class OperandDependentOffset(tzinfo): |
| 3216 | def utcoffset(self, t): |
| 3217 | if t.minute < 10: |
| 3218 | # d0 and d1 equal after adjustment |
| 3219 | return timedelta(minutes=t.minute) |
| 3220 | else: |
| 3221 | # d2 off in the weeds |
| 3222 | return timedelta(minutes=59) |
| 3223 | |
| 3224 | base = cls(8, 9, 10, 11, 12, 13, 14, tzinfo=OperandDependentOffset()) |
| 3225 | d0 = base.replace(minute=3) |
| 3226 | d1 = base.replace(minute=9) |
| 3227 | d2 = base.replace(minute=11) |
| 3228 | for x in d0, d1, d2: |
| 3229 | for y in d0, d1, d2: |
| 3230 | got = x - y |
| 3231 | expected = timedelta(minutes=x.minute - y.minute) |
| 3232 | self.assertEqual(got, expected) |
| 3233 | |
| 3234 | # OTOH, if the tzinfo members are distinct, utcoffsets aren't |
| 3235 | # ignored. |
| 3236 | base = cls(8, 9, 10, 11, 12, 13, 14) |
| 3237 | d0 = base.replace(minute=3, tzinfo=OperandDependentOffset()) |
| 3238 | d1 = base.replace(minute=9, tzinfo=OperandDependentOffset()) |
| 3239 | d2 = base.replace(minute=11, tzinfo=OperandDependentOffset()) |
| 3240 | for x in d0, d1, d2: |
| 3241 | for y in d0, d1, d2: |
| 3242 | got = x - y |
| 3243 | if (x is d0 or x is d1) and (y is d0 or y is d1): |
| 3244 | expected = timedelta(0) |
| 3245 | elif x is y is d2: |
| 3246 | expected = timedelta(0) |
| 3247 | elif x is d2: |
| 3248 | expected = timedelta(minutes=(11-59)-0) |
| 3249 | else: |
| 3250 | assert y is d2 |
| 3251 | expected = timedelta(minutes=0-(11-59)) |
| 3252 | self.assertEqual(got, expected) |
| 3253 | |
| 3254 | def test_mixed_compare(self): |
| 3255 | t1 = datetime(1, 2, 3, 4, 5, 6, 7) |
| 3256 | t2 = datetime(1, 2, 3, 4, 5, 6, 7) |
| 3257 | self.assertEqual(t1, t2) |
| 3258 | t2 = t2.replace(tzinfo=None) |
| 3259 | self.assertEqual(t1, t2) |
| 3260 | t2 = t2.replace(tzinfo=FixedOffset(None, "")) |
| 3261 | self.assertEqual(t1, t2) |
| 3262 | t2 = t2.replace(tzinfo=FixedOffset(0, "")) |
| 3263 | self.assertRaises(TypeError, lambda: t1 == t2) |
| 3264 | |
| 3265 | # In datetime w/ identical tzinfo objects, utcoffset is ignored. |
| 3266 | class Varies(tzinfo): |
| 3267 | def __init__(self): |
| 3268 | self.offset = timedelta(minutes=22) |
| 3269 | def utcoffset(self, t): |
| 3270 | self.offset += timedelta(minutes=1) |
| 3271 | return self.offset |
| 3272 | |
| 3273 | v = Varies() |
| 3274 | t1 = t2.replace(tzinfo=v) |
| 3275 | t2 = t2.replace(tzinfo=v) |
| 3276 | self.assertEqual(t1.utcoffset(), timedelta(minutes=23)) |
| 3277 | self.assertEqual(t2.utcoffset(), timedelta(minutes=24)) |
| 3278 | self.assertEqual(t1, t2) |
| 3279 | |
| 3280 | # But if they're not identical, it isn't ignored. |
| 3281 | t2 = t2.replace(tzinfo=Varies()) |
| 3282 | self.assertTrue(t1 < t2) # t1's offset counter still going up |
| 3283 | |
| 3284 | def test_subclass_datetimetz(self): |
| 3285 | |
| 3286 | class C(self.theclass): |
| 3287 | theAnswer = 42 |
| 3288 | |
| 3289 | def __new__(cls, *args, **kws): |
| 3290 | temp = kws.copy() |
| 3291 | extra = temp.pop('extra') |
| 3292 | result = self.theclass.__new__(cls, *args, **temp) |
| 3293 | result.extra = extra |
| 3294 | return result |
| 3295 | |
| 3296 | def newmeth(self, start): |
| 3297 | return start + self.hour + self.year |
| 3298 | |
| 3299 | args = 2002, 12, 31, 4, 5, 6, 500, FixedOffset(-300, "EST", 1) |
| 3300 | |
| 3301 | dt1 = self.theclass(*args) |
| 3302 | dt2 = C(*args, **{'extra': 7}) |
| 3303 | |
| 3304 | self.assertEqual(dt2.__class__, C) |
| 3305 | self.assertEqual(dt2.theAnswer, 42) |
| 3306 | self.assertEqual(dt2.extra, 7) |
| 3307 | self.assertEqual(dt1.utcoffset(), dt2.utcoffset()) |
| 3308 | self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.year - 7) |
| 3309 | |
| 3310 | # Pain to set up DST-aware tzinfo classes. |
| 3311 | |
| 3312 | def first_sunday_on_or_after(dt): |
| 3313 | days_to_go = 6 - dt.weekday() |
| 3314 | if days_to_go: |
| 3315 | dt += timedelta(days_to_go) |
| 3316 | return dt |
| 3317 | |
| 3318 | ZERO = timedelta(0) |
| 3319 | MINUTE = timedelta(minutes=1) |
| 3320 | HOUR = timedelta(hours=1) |
| 3321 | DAY = timedelta(days=1) |
| 3322 | # In the US, DST starts at 2am (standard time) on the first Sunday in April. |
| 3323 | DSTSTART = datetime(1, 4, 1, 2) |
| 3324 | # and ends at 2am (DST time; 1am standard time) on the last Sunday of Oct, |
| 3325 | # which is the first Sunday on or after Oct 25. Because we view 1:MM as |
| 3326 | # being standard time on that day, there is no spelling in local time of |
| 3327 | # the last hour of DST (that's 1:MM DST, but 1:MM is taken as standard time). |
| 3328 | DSTEND = datetime(1, 10, 25, 1) |
| 3329 | |
| 3330 | class USTimeZone(tzinfo): |
| 3331 | |
| 3332 | def __init__(self, hours, reprname, stdname, dstname): |
| 3333 | self.stdoffset = timedelta(hours=hours) |
| 3334 | self.reprname = reprname |
| 3335 | self.stdname = stdname |
| 3336 | self.dstname = dstname |
| 3337 | |
| 3338 | def __repr__(self): |
| 3339 | return self.reprname |
| 3340 | |
| 3341 | def tzname(self, dt): |
| 3342 | if self.dst(dt): |
| 3343 | return self.dstname |
| 3344 | else: |
| 3345 | return self.stdname |
| 3346 | |
| 3347 | def utcoffset(self, dt): |
| 3348 | return self.stdoffset + self.dst(dt) |
| 3349 | |
| 3350 | def dst(self, dt): |
| 3351 | if dt is None or dt.tzinfo is None: |
| 3352 | # An exception instead may be sensible here, in one or more of |
| 3353 | # the cases. |
| 3354 | return ZERO |
| 3355 | assert dt.tzinfo is self |
| 3356 | |
| 3357 | # Find first Sunday in April. |
| 3358 | start = first_sunday_on_or_after(DSTSTART.replace(year=dt.year)) |
| 3359 | assert start.weekday() == 6 and start.month == 4 and start.day <= 7 |
| 3360 | |
| 3361 | # Find last Sunday in October. |
| 3362 | end = first_sunday_on_or_after(DSTEND.replace(year=dt.year)) |
| 3363 | assert end.weekday() == 6 and end.month == 10 and end.day >= 25 |
| 3364 | |
| 3365 | # Can't compare naive to aware objects, so strip the timezone from |
| 3366 | # dt first. |
| 3367 | if start <= dt.replace(tzinfo=None) < end: |
| 3368 | return HOUR |
| 3369 | else: |
| 3370 | return ZERO |
| 3371 | |
| 3372 | Eastern = USTimeZone(-5, "Eastern", "EST", "EDT") |
| 3373 | Central = USTimeZone(-6, "Central", "CST", "CDT") |
| 3374 | Mountain = USTimeZone(-7, "Mountain", "MST", "MDT") |
| 3375 | Pacific = USTimeZone(-8, "Pacific", "PST", "PDT") |
| 3376 | utc_real = FixedOffset(0, "UTC", 0) |
| 3377 | # For better test coverage, we want another flavor of UTC that's west of |
| 3378 | # the Eastern and Pacific timezones. |
| 3379 | utc_fake = FixedOffset(-12*60, "UTCfake", 0) |
| 3380 | |
| 3381 | class TestTimezoneConversions(unittest.TestCase): |
| 3382 | # The DST switch times for 2002, in std time. |
| 3383 | dston = datetime(2002, 4, 7, 2) |
| 3384 | dstoff = datetime(2002, 10, 27, 1) |
| 3385 | |
| 3386 | theclass = datetime |
| 3387 | |
| 3388 | # Check a time that's inside DST. |
| 3389 | def checkinside(self, dt, tz, utc, dston, dstoff): |
| 3390 | self.assertEqual(dt.dst(), HOUR) |
| 3391 | |
| 3392 | # Conversion to our own timezone is always an identity. |
| 3393 | self.assertEqual(dt.astimezone(tz), dt) |
| 3394 | |
| 3395 | asutc = dt.astimezone(utc) |
| 3396 | there_and_back = asutc.astimezone(tz) |
| 3397 | |
| 3398 | # Conversion to UTC and back isn't always an identity here, |
| 3399 | # because there are redundant spellings (in local time) of |
| 3400 | # UTC time when DST begins: the clock jumps from 1:59:59 |
| 3401 | # to 3:00:00, and a local time of 2:MM:SS doesn't really |
| 3402 | # make sense then. The classes above treat 2:MM:SS as |
| 3403 | # daylight time then (it's "after 2am"), really an alias |
| 3404 | # for 1:MM:SS standard time. The latter form is what |
| 3405 | # conversion back from UTC produces. |
| 3406 | if dt.date() == dston.date() and dt.hour == 2: |
| 3407 | # We're in the redundant hour, and coming back from |
| 3408 | # UTC gives the 1:MM:SS standard-time spelling. |
| 3409 | self.assertEqual(there_and_back + HOUR, dt) |
| 3410 | # Although during was considered to be in daylight |
| 3411 | # time, there_and_back is not. |
| 3412 | self.assertEqual(there_and_back.dst(), ZERO) |
| 3413 | # They're the same times in UTC. |
| 3414 | self.assertEqual(there_and_back.astimezone(utc), |
| 3415 | dt.astimezone(utc)) |
| 3416 | else: |
| 3417 | # We're not in the redundant hour. |
| 3418 | self.assertEqual(dt, there_and_back) |
| 3419 | |
| 3420 | # Because we have a redundant spelling when DST begins, there is |
Ezio Melotti | 3b3499b | 2011-03-16 11:35:38 +0200 | [diff] [blame] | 3421 | # (unfortunately) an hour when DST ends that can't be spelled at all in |
Alexander Belopolsky | cf86e36 | 2010-07-23 19:25:47 +0000 | [diff] [blame] | 3422 | # local time. When DST ends, the clock jumps from 1:59 back to 1:00 |
| 3423 | # again. The hour 1:MM DST has no spelling then: 1:MM is taken to be |
| 3424 | # standard time. 1:MM DST == 0:MM EST, but 0:MM is taken to be |
| 3425 | # daylight time. The hour 1:MM daylight == 0:MM standard can't be |
| 3426 | # expressed in local time. Nevertheless, we want conversion back |
| 3427 | # from UTC to mimic the local clock's "repeat an hour" behavior. |
| 3428 | nexthour_utc = asutc + HOUR |
| 3429 | nexthour_tz = nexthour_utc.astimezone(tz) |
| 3430 | if dt.date() == dstoff.date() and dt.hour == 0: |
| 3431 | # We're in the hour before the last DST hour. The last DST hour |
| 3432 | # is ineffable. We want the conversion back to repeat 1:MM. |
| 3433 | self.assertEqual(nexthour_tz, dt.replace(hour=1)) |
| 3434 | nexthour_utc += HOUR |
| 3435 | nexthour_tz = nexthour_utc.astimezone(tz) |
| 3436 | self.assertEqual(nexthour_tz, dt.replace(hour=1)) |
| 3437 | else: |
| 3438 | self.assertEqual(nexthour_tz - dt, HOUR) |
| 3439 | |
| 3440 | # Check a time that's outside DST. |
| 3441 | def checkoutside(self, dt, tz, utc): |
| 3442 | self.assertEqual(dt.dst(), ZERO) |
| 3443 | |
| 3444 | # Conversion to our own timezone is always an identity. |
| 3445 | self.assertEqual(dt.astimezone(tz), dt) |
| 3446 | |
| 3447 | # Converting to UTC and back is an identity too. |
| 3448 | asutc = dt.astimezone(utc) |
| 3449 | there_and_back = asutc.astimezone(tz) |
| 3450 | self.assertEqual(dt, there_and_back) |
| 3451 | |
| 3452 | def convert_between_tz_and_utc(self, tz, utc): |
| 3453 | dston = self.dston.replace(tzinfo=tz) |
| 3454 | # Because 1:MM on the day DST ends is taken as being standard time, |
| 3455 | # there is no spelling in tz for the last hour of daylight time. |
| 3456 | # For purposes of the test, the last hour of DST is 0:MM, which is |
| 3457 | # taken as being daylight time (and 1:MM is taken as being standard |
| 3458 | # time). |
| 3459 | dstoff = self.dstoff.replace(tzinfo=tz) |
| 3460 | for delta in (timedelta(weeks=13), |
| 3461 | DAY, |
| 3462 | HOUR, |
| 3463 | timedelta(minutes=1), |
| 3464 | timedelta(microseconds=1)): |
| 3465 | |
| 3466 | self.checkinside(dston, tz, utc, dston, dstoff) |
| 3467 | for during in dston + delta, dstoff - delta: |
| 3468 | self.checkinside(during, tz, utc, dston, dstoff) |
| 3469 | |
| 3470 | self.checkoutside(dstoff, tz, utc) |
| 3471 | for outside in dston - delta, dstoff + delta: |
| 3472 | self.checkoutside(outside, tz, utc) |
| 3473 | |
| 3474 | def test_easy(self): |
| 3475 | # Despite the name of this test, the endcases are excruciating. |
| 3476 | self.convert_between_tz_and_utc(Eastern, utc_real) |
| 3477 | self.convert_between_tz_and_utc(Pacific, utc_real) |
| 3478 | self.convert_between_tz_and_utc(Eastern, utc_fake) |
| 3479 | self.convert_between_tz_and_utc(Pacific, utc_fake) |
| 3480 | # The next is really dancing near the edge. It works because |
| 3481 | # Pacific and Eastern are far enough apart that their "problem |
| 3482 | # hours" don't overlap. |
| 3483 | self.convert_between_tz_and_utc(Eastern, Pacific) |
| 3484 | self.convert_between_tz_and_utc(Pacific, Eastern) |
| 3485 | # OTOH, these fail! Don't enable them. The difficulty is that |
| 3486 | # the edge case tests assume that every hour is representable in |
| 3487 | # the "utc" class. This is always true for a fixed-offset tzinfo |
| 3488 | # class (lke utc_real and utc_fake), but not for Eastern or Central. |
| 3489 | # For these adjacent DST-aware time zones, the range of time offsets |
| 3490 | # tested ends up creating hours in the one that aren't representable |
| 3491 | # in the other. For the same reason, we would see failures in the |
| 3492 | # Eastern vs Pacific tests too if we added 3*HOUR to the list of |
| 3493 | # offset deltas in convert_between_tz_and_utc(). |
| 3494 | # |
| 3495 | # self.convert_between_tz_and_utc(Eastern, Central) # can't work |
| 3496 | # self.convert_between_tz_and_utc(Central, Eastern) # can't work |
| 3497 | |
| 3498 | def test_tricky(self): |
| 3499 | # 22:00 on day before daylight starts. |
| 3500 | fourback = self.dston - timedelta(hours=4) |
| 3501 | ninewest = FixedOffset(-9*60, "-0900", 0) |
| 3502 | fourback = fourback.replace(tzinfo=ninewest) |
| 3503 | # 22:00-0900 is 7:00 UTC == 2:00 EST == 3:00 DST. Since it's "after |
| 3504 | # 2", we should get the 3 spelling. |
| 3505 | # If we plug 22:00 the day before into Eastern, it "looks like std |
| 3506 | # time", so its offset is returned as -5, and -5 - -9 = 4. Adding 4 |
| 3507 | # to 22:00 lands on 2:00, which makes no sense in local time (the |
| 3508 | # local clock jumps from 1 to 3). The point here is to make sure we |
| 3509 | # get the 3 spelling. |
| 3510 | expected = self.dston.replace(hour=3) |
| 3511 | got = fourback.astimezone(Eastern).replace(tzinfo=None) |
| 3512 | self.assertEqual(expected, got) |
| 3513 | |
| 3514 | # Similar, but map to 6:00 UTC == 1:00 EST == 2:00 DST. In that |
| 3515 | # case we want the 1:00 spelling. |
| 3516 | sixutc = self.dston.replace(hour=6, tzinfo=utc_real) |
| 3517 | # Now 6:00 "looks like daylight", so the offset wrt Eastern is -4, |
| 3518 | # and adding -4-0 == -4 gives the 2:00 spelling. We want the 1:00 EST |
| 3519 | # spelling. |
| 3520 | expected = self.dston.replace(hour=1) |
| 3521 | got = sixutc.astimezone(Eastern).replace(tzinfo=None) |
| 3522 | self.assertEqual(expected, got) |
| 3523 | |
| 3524 | # Now on the day DST ends, we want "repeat an hour" behavior. |
| 3525 | # UTC 4:MM 5:MM 6:MM 7:MM checking these |
| 3526 | # EST 23:MM 0:MM 1:MM 2:MM |
| 3527 | # EDT 0:MM 1:MM 2:MM 3:MM |
| 3528 | # wall 0:MM 1:MM 1:MM 2:MM against these |
| 3529 | for utc in utc_real, utc_fake: |
| 3530 | for tz in Eastern, Pacific: |
| 3531 | first_std_hour = self.dstoff - timedelta(hours=2) # 23:MM |
| 3532 | # Convert that to UTC. |
| 3533 | first_std_hour -= tz.utcoffset(None) |
| 3534 | # Adjust for possibly fake UTC. |
| 3535 | asutc = first_std_hour + utc.utcoffset(None) |
| 3536 | # First UTC hour to convert; this is 4:00 when utc=utc_real & |
| 3537 | # tz=Eastern. |
| 3538 | asutcbase = asutc.replace(tzinfo=utc) |
| 3539 | for tzhour in (0, 1, 1, 2): |
| 3540 | expectedbase = self.dstoff.replace(hour=tzhour) |
| 3541 | for minute in 0, 30, 59: |
| 3542 | expected = expectedbase.replace(minute=minute) |
| 3543 | asutc = asutcbase.replace(minute=minute) |
| 3544 | astz = asutc.astimezone(tz) |
| 3545 | self.assertEqual(astz.replace(tzinfo=None), expected) |
| 3546 | asutcbase += HOUR |
| 3547 | |
| 3548 | |
| 3549 | def test_bogus_dst(self): |
| 3550 | class ok(tzinfo): |
| 3551 | def utcoffset(self, dt): return HOUR |
| 3552 | def dst(self, dt): return HOUR |
| 3553 | |
| 3554 | now = self.theclass.now().replace(tzinfo=utc_real) |
| 3555 | # Doesn't blow up. |
| 3556 | now.astimezone(ok()) |
| 3557 | |
| 3558 | # Does blow up. |
| 3559 | class notok(ok): |
| 3560 | def dst(self, dt): return None |
| 3561 | self.assertRaises(ValueError, now.astimezone, notok()) |
| 3562 | |
| 3563 | # Sometimes blow up. In the following, tzinfo.dst() |
| 3564 | # implementation may return None or not None depending on |
| 3565 | # whether DST is assumed to be in effect. In this situation, |
| 3566 | # a ValueError should be raised by astimezone(). |
| 3567 | class tricky_notok(ok): |
| 3568 | def dst(self, dt): |
| 3569 | if dt.year == 2000: |
| 3570 | return None |
| 3571 | else: |
| 3572 | return 10*HOUR |
| 3573 | dt = self.theclass(2001, 1, 1).replace(tzinfo=utc_real) |
| 3574 | self.assertRaises(ValueError, dt.astimezone, tricky_notok()) |
| 3575 | |
| 3576 | def test_fromutc(self): |
| 3577 | self.assertRaises(TypeError, Eastern.fromutc) # not enough args |
| 3578 | now = datetime.utcnow().replace(tzinfo=utc_real) |
| 3579 | self.assertRaises(ValueError, Eastern.fromutc, now) # wrong tzinfo |
| 3580 | now = now.replace(tzinfo=Eastern) # insert correct tzinfo |
| 3581 | enow = Eastern.fromutc(now) # doesn't blow up |
| 3582 | self.assertEqual(enow.tzinfo, Eastern) # has right tzinfo member |
| 3583 | self.assertRaises(TypeError, Eastern.fromutc, now, now) # too many args |
| 3584 | self.assertRaises(TypeError, Eastern.fromutc, date.today()) # wrong type |
| 3585 | |
| 3586 | # Always converts UTC to standard time. |
| 3587 | class FauxUSTimeZone(USTimeZone): |
| 3588 | def fromutc(self, dt): |
| 3589 | return dt + self.stdoffset |
| 3590 | FEastern = FauxUSTimeZone(-5, "FEastern", "FEST", "FEDT") |
| 3591 | |
| 3592 | # UTC 4:MM 5:MM 6:MM 7:MM 8:MM 9:MM |
| 3593 | # EST 23:MM 0:MM 1:MM 2:MM 3:MM 4:MM |
| 3594 | # EDT 0:MM 1:MM 2:MM 3:MM 4:MM 5:MM |
| 3595 | |
| 3596 | # Check around DST start. |
| 3597 | start = self.dston.replace(hour=4, tzinfo=Eastern) |
| 3598 | fstart = start.replace(tzinfo=FEastern) |
| 3599 | for wall in 23, 0, 1, 3, 4, 5: |
| 3600 | expected = start.replace(hour=wall) |
| 3601 | if wall == 23: |
| 3602 | expected -= timedelta(days=1) |
| 3603 | got = Eastern.fromutc(start) |
| 3604 | self.assertEqual(expected, got) |
| 3605 | |
| 3606 | expected = fstart + FEastern.stdoffset |
| 3607 | got = FEastern.fromutc(fstart) |
| 3608 | self.assertEqual(expected, got) |
| 3609 | |
| 3610 | # Ensure astimezone() calls fromutc() too. |
| 3611 | got = fstart.replace(tzinfo=utc_real).astimezone(FEastern) |
| 3612 | self.assertEqual(expected, got) |
| 3613 | |
| 3614 | start += HOUR |
| 3615 | fstart += HOUR |
| 3616 | |
| 3617 | # Check around DST end. |
| 3618 | start = self.dstoff.replace(hour=4, tzinfo=Eastern) |
| 3619 | fstart = start.replace(tzinfo=FEastern) |
| 3620 | for wall in 0, 1, 1, 2, 3, 4: |
| 3621 | expected = start.replace(hour=wall) |
| 3622 | got = Eastern.fromutc(start) |
| 3623 | self.assertEqual(expected, got) |
| 3624 | |
| 3625 | expected = fstart + FEastern.stdoffset |
| 3626 | got = FEastern.fromutc(fstart) |
| 3627 | self.assertEqual(expected, got) |
| 3628 | |
| 3629 | # Ensure astimezone() calls fromutc() too. |
| 3630 | got = fstart.replace(tzinfo=utc_real).astimezone(FEastern) |
| 3631 | self.assertEqual(expected, got) |
| 3632 | |
| 3633 | start += HOUR |
| 3634 | fstart += HOUR |
| 3635 | |
| 3636 | |
| 3637 | ############################################################################# |
| 3638 | # oddballs |
| 3639 | |
| 3640 | class Oddballs(unittest.TestCase): |
| 3641 | |
| 3642 | def test_bug_1028306(self): |
| 3643 | # Trying to compare a date to a datetime should act like a mixed- |
| 3644 | # type comparison, despite that datetime is a subclass of date. |
| 3645 | as_date = date.today() |
| 3646 | as_datetime = datetime.combine(as_date, time()) |
| 3647 | self.assertTrue(as_date != as_datetime) |
| 3648 | self.assertTrue(as_datetime != as_date) |
| 3649 | self.assertTrue(not as_date == as_datetime) |
| 3650 | self.assertTrue(not as_datetime == as_date) |
| 3651 | self.assertRaises(TypeError, lambda: as_date < as_datetime) |
| 3652 | self.assertRaises(TypeError, lambda: as_datetime < as_date) |
| 3653 | self.assertRaises(TypeError, lambda: as_date <= as_datetime) |
| 3654 | self.assertRaises(TypeError, lambda: as_datetime <= as_date) |
| 3655 | self.assertRaises(TypeError, lambda: as_date > as_datetime) |
| 3656 | self.assertRaises(TypeError, lambda: as_datetime > as_date) |
| 3657 | self.assertRaises(TypeError, lambda: as_date >= as_datetime) |
| 3658 | self.assertRaises(TypeError, lambda: as_datetime >= as_date) |
| 3659 | |
| 3660 | # Neverthelss, comparison should work with the base-class (date) |
| 3661 | # projection if use of a date method is forced. |
| 3662 | self.assertEqual(as_date.__eq__(as_datetime), True) |
| 3663 | different_day = (as_date.day + 1) % 20 + 1 |
| 3664 | as_different = as_datetime.replace(day= different_day) |
| 3665 | self.assertEqual(as_date.__eq__(as_different), False) |
| 3666 | |
| 3667 | # And date should compare with other subclasses of date. If a |
| 3668 | # subclass wants to stop this, it's up to the subclass to do so. |
| 3669 | date_sc = SubclassDate(as_date.year, as_date.month, as_date.day) |
| 3670 | self.assertEqual(as_date, date_sc) |
| 3671 | self.assertEqual(date_sc, as_date) |
| 3672 | |
| 3673 | # Ditto for datetimes. |
| 3674 | datetime_sc = SubclassDatetime(as_datetime.year, as_datetime.month, |
| 3675 | as_date.day, 0, 0, 0) |
| 3676 | self.assertEqual(as_datetime, datetime_sc) |
| 3677 | self.assertEqual(datetime_sc, as_datetime) |
| 3678 | |
| 3679 | def test_main(): |
| 3680 | support.run_unittest(__name__) |
| 3681 | |
| 3682 | if __name__ == "__main__": |
| 3683 | test_main() |