Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1 | import enum |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2 | import inspect |
| 3 | import pydoc |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 4 | import unittest |
Antoine Pitrou | a6a4dc8 | 2017-09-07 18:56:24 +0200 | [diff] [blame] | 5 | import threading |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 6 | from collections import OrderedDict |
Ethan Furman | c16595e | 2016-09-10 23:36:59 -0700 | [diff] [blame] | 7 | from enum import Enum, IntEnum, EnumMeta, Flag, IntFlag, unique, auto |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 8 | from io import StringIO |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 9 | from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL |
Martin Panter | 19e69c5 | 2015-11-14 12:46:42 +0000 | [diff] [blame] | 10 | from test import support |
Ethan Furman | 28cf663 | 2017-01-24 12:12:06 -0800 | [diff] [blame] | 11 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 12 | |
| 13 | # for pickle tests |
| 14 | try: |
| 15 | class Stooges(Enum): |
| 16 | LARRY = 1 |
| 17 | CURLY = 2 |
| 18 | MOE = 3 |
| 19 | except Exception as exc: |
| 20 | Stooges = exc |
| 21 | |
| 22 | try: |
| 23 | class IntStooges(int, Enum): |
| 24 | LARRY = 1 |
| 25 | CURLY = 2 |
| 26 | MOE = 3 |
| 27 | except Exception as exc: |
| 28 | IntStooges = exc |
| 29 | |
| 30 | try: |
| 31 | class FloatStooges(float, Enum): |
| 32 | LARRY = 1.39 |
| 33 | CURLY = 2.72 |
| 34 | MOE = 3.142596 |
| 35 | except Exception as exc: |
| 36 | FloatStooges = exc |
| 37 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 38 | try: |
| 39 | class FlagStooges(Flag): |
| 40 | LARRY = 1 |
| 41 | CURLY = 2 |
| 42 | MOE = 3 |
| 43 | except Exception as exc: |
| 44 | FlagStooges = exc |
| 45 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 46 | # for pickle test and subclass tests |
| 47 | try: |
| 48 | class StrEnum(str, Enum): |
| 49 | 'accepts only string values' |
| 50 | class Name(StrEnum): |
| 51 | BDFL = 'Guido van Rossum' |
| 52 | FLUFL = 'Barry Warsaw' |
| 53 | except Exception as exc: |
| 54 | Name = exc |
| 55 | |
| 56 | try: |
| 57 | Question = Enum('Question', 'who what when where why', module=__name__) |
| 58 | except Exception as exc: |
| 59 | Question = exc |
| 60 | |
| 61 | try: |
| 62 | Answer = Enum('Answer', 'him this then there because') |
| 63 | except Exception as exc: |
| 64 | Answer = exc |
| 65 | |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 66 | try: |
| 67 | Theory = Enum('Theory', 'rule law supposition', qualname='spanish_inquisition') |
| 68 | except Exception as exc: |
| 69 | Theory = exc |
| 70 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 71 | # for doctests |
| 72 | try: |
| 73 | class Fruit(Enum): |
Ethan Furman | 23bb6f4 | 2016-11-21 09:22:05 -0800 | [diff] [blame] | 74 | TOMATO = 1 |
| 75 | BANANA = 2 |
| 76 | CHERRY = 3 |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 77 | except Exception: |
| 78 | pass |
| 79 | |
Serhiy Storchaka | e50e780 | 2015-03-31 16:56:49 +0300 | [diff] [blame] | 80 | def test_pickle_dump_load(assertion, source, target=None): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 81 | if target is None: |
| 82 | target = source |
Serhiy Storchaka | e50e780 | 2015-03-31 16:56:49 +0300 | [diff] [blame] | 83 | for protocol in range(HIGHEST_PROTOCOL + 1): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 84 | assertion(loads(dumps(source, protocol=protocol)), target) |
| 85 | |
Serhiy Storchaka | e50e780 | 2015-03-31 16:56:49 +0300 | [diff] [blame] | 86 | def test_pickle_exception(assertion, exception, obj): |
| 87 | for protocol in range(HIGHEST_PROTOCOL + 1): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 88 | with assertion(exception): |
| 89 | dumps(obj, protocol=protocol) |
Ethan Furman | 648f860 | 2013-10-06 17:19:54 -0700 | [diff] [blame] | 90 | |
| 91 | class TestHelpers(unittest.TestCase): |
| 92 | # _is_descriptor, _is_sunder, _is_dunder |
| 93 | |
| 94 | def test_is_descriptor(self): |
| 95 | class foo: |
| 96 | pass |
| 97 | for attr in ('__get__','__set__','__delete__'): |
| 98 | obj = foo() |
| 99 | self.assertFalse(enum._is_descriptor(obj)) |
| 100 | setattr(obj, attr, 1) |
| 101 | self.assertTrue(enum._is_descriptor(obj)) |
| 102 | |
| 103 | def test_is_sunder(self): |
| 104 | for s in ('_a_', '_aa_'): |
| 105 | self.assertTrue(enum._is_sunder(s)) |
| 106 | |
| 107 | for s in ('a', 'a_', '_a', '__a', 'a__', '__a__', '_a__', '__a_', '_', |
| 108 | '__', '___', '____', '_____',): |
| 109 | self.assertFalse(enum._is_sunder(s)) |
| 110 | |
| 111 | def test_is_dunder(self): |
| 112 | for s in ('__a__', '__aa__'): |
| 113 | self.assertTrue(enum._is_dunder(s)) |
| 114 | for s in ('a', 'a_', '_a', '__a', 'a__', '_a_', '_a__', '__a_', '_', |
| 115 | '__', '___', '____', '_____',): |
| 116 | self.assertFalse(enum._is_dunder(s)) |
| 117 | |
Ethan Furman | c16595e | 2016-09-10 23:36:59 -0700 | [diff] [blame] | 118 | # tests |
Ethan Furman | 648f860 | 2013-10-06 17:19:54 -0700 | [diff] [blame] | 119 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 120 | class TestEnum(unittest.TestCase): |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 121 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 122 | def setUp(self): |
| 123 | class Season(Enum): |
| 124 | SPRING = 1 |
| 125 | SUMMER = 2 |
| 126 | AUTUMN = 3 |
| 127 | WINTER = 4 |
| 128 | self.Season = Season |
| 129 | |
Ethan Furman | ec15a82 | 2013-08-31 19:17:41 -0700 | [diff] [blame] | 130 | class Konstants(float, Enum): |
| 131 | E = 2.7182818 |
| 132 | PI = 3.1415926 |
| 133 | TAU = 2 * PI |
| 134 | self.Konstants = Konstants |
| 135 | |
| 136 | class Grades(IntEnum): |
| 137 | A = 5 |
| 138 | B = 4 |
| 139 | C = 3 |
| 140 | D = 2 |
| 141 | F = 0 |
| 142 | self.Grades = Grades |
| 143 | |
| 144 | class Directional(str, Enum): |
| 145 | EAST = 'east' |
| 146 | WEST = 'west' |
| 147 | NORTH = 'north' |
| 148 | SOUTH = 'south' |
| 149 | self.Directional = Directional |
| 150 | |
| 151 | from datetime import date |
| 152 | class Holiday(date, Enum): |
| 153 | NEW_YEAR = 2013, 1, 1 |
| 154 | IDES_OF_MARCH = 2013, 3, 15 |
| 155 | self.Holiday = Holiday |
| 156 | |
Ethan Furman | 388a392 | 2013-08-12 06:51:41 -0700 | [diff] [blame] | 157 | def test_dir_on_class(self): |
| 158 | Season = self.Season |
| 159 | self.assertEqual( |
| 160 | set(dir(Season)), |
Ethan Furman | c850f34 | 2013-09-15 16:59:35 -0700 | [diff] [blame] | 161 | set(['__class__', '__doc__', '__members__', '__module__', |
Ethan Furman | 388a392 | 2013-08-12 06:51:41 -0700 | [diff] [blame] | 162 | 'SPRING', 'SUMMER', 'AUTUMN', 'WINTER']), |
| 163 | ) |
| 164 | |
| 165 | def test_dir_on_item(self): |
| 166 | Season = self.Season |
| 167 | self.assertEqual( |
| 168 | set(dir(Season.WINTER)), |
Ethan Furman | c850f34 | 2013-09-15 16:59:35 -0700 | [diff] [blame] | 169 | set(['__class__', '__doc__', '__module__', 'name', 'value']), |
Ethan Furman | 388a392 | 2013-08-12 06:51:41 -0700 | [diff] [blame] | 170 | ) |
| 171 | |
Ethan Furman | c850f34 | 2013-09-15 16:59:35 -0700 | [diff] [blame] | 172 | def test_dir_with_added_behavior(self): |
| 173 | class Test(Enum): |
| 174 | this = 'that' |
| 175 | these = 'those' |
| 176 | def wowser(self): |
| 177 | return ("Wowser! I'm %s!" % self.name) |
| 178 | self.assertEqual( |
| 179 | set(dir(Test)), |
| 180 | set(['__class__', '__doc__', '__members__', '__module__', 'this', 'these']), |
| 181 | ) |
| 182 | self.assertEqual( |
| 183 | set(dir(Test.this)), |
| 184 | set(['__class__', '__doc__', '__module__', 'name', 'value', 'wowser']), |
| 185 | ) |
| 186 | |
Ethan Furman | 0ae550b | 2014-10-14 08:58:32 -0700 | [diff] [blame] | 187 | def test_dir_on_sub_with_behavior_on_super(self): |
| 188 | # see issue22506 |
| 189 | class SuperEnum(Enum): |
| 190 | def invisible(self): |
| 191 | return "did you see me?" |
| 192 | class SubEnum(SuperEnum): |
| 193 | sample = 5 |
| 194 | self.assertEqual( |
| 195 | set(dir(SubEnum.sample)), |
| 196 | set(['__class__', '__doc__', '__module__', 'name', 'value', 'invisible']), |
| 197 | ) |
| 198 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 199 | def test_enum_in_enum_out(self): |
| 200 | Season = self.Season |
| 201 | self.assertIs(Season(Season.WINTER), Season.WINTER) |
| 202 | |
| 203 | def test_enum_value(self): |
| 204 | Season = self.Season |
| 205 | self.assertEqual(Season.SPRING.value, 1) |
| 206 | |
| 207 | def test_intenum_value(self): |
| 208 | self.assertEqual(IntStooges.CURLY.value, 2) |
| 209 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 210 | def test_enum(self): |
| 211 | Season = self.Season |
| 212 | lst = list(Season) |
| 213 | self.assertEqual(len(lst), len(Season)) |
| 214 | self.assertEqual(len(Season), 4, Season) |
| 215 | self.assertEqual( |
| 216 | [Season.SPRING, Season.SUMMER, Season.AUTUMN, Season.WINTER], lst) |
| 217 | |
| 218 | for i, season in enumerate('SPRING SUMMER AUTUMN WINTER'.split(), 1): |
| 219 | e = Season(i) |
| 220 | self.assertEqual(e, getattr(Season, season)) |
| 221 | self.assertEqual(e.value, i) |
| 222 | self.assertNotEqual(e, i) |
| 223 | self.assertEqual(e.name, season) |
| 224 | self.assertIn(e, Season) |
| 225 | self.assertIs(type(e), Season) |
| 226 | self.assertIsInstance(e, Season) |
| 227 | self.assertEqual(str(e), 'Season.' + season) |
| 228 | self.assertEqual( |
| 229 | repr(e), |
| 230 | '<Season.{0}: {1}>'.format(season, i), |
| 231 | ) |
| 232 | |
| 233 | def test_value_name(self): |
| 234 | Season = self.Season |
| 235 | self.assertEqual(Season.SPRING.name, 'SPRING') |
| 236 | self.assertEqual(Season.SPRING.value, 1) |
| 237 | with self.assertRaises(AttributeError): |
| 238 | Season.SPRING.name = 'invierno' |
| 239 | with self.assertRaises(AttributeError): |
| 240 | Season.SPRING.value = 2 |
| 241 | |
Ethan Furman | f203f2d | 2013-09-06 07:16:48 -0700 | [diff] [blame] | 242 | def test_changing_member(self): |
| 243 | Season = self.Season |
| 244 | with self.assertRaises(AttributeError): |
| 245 | Season.WINTER = 'really cold' |
| 246 | |
Ethan Furman | 64a9972 | 2013-09-22 16:18:19 -0700 | [diff] [blame] | 247 | def test_attribute_deletion(self): |
| 248 | class Season(Enum): |
| 249 | SPRING = 1 |
| 250 | SUMMER = 2 |
| 251 | AUTUMN = 3 |
| 252 | WINTER = 4 |
| 253 | |
| 254 | def spam(cls): |
| 255 | pass |
| 256 | |
| 257 | self.assertTrue(hasattr(Season, 'spam')) |
| 258 | del Season.spam |
| 259 | self.assertFalse(hasattr(Season, 'spam')) |
| 260 | |
| 261 | with self.assertRaises(AttributeError): |
| 262 | del Season.SPRING |
| 263 | with self.assertRaises(AttributeError): |
| 264 | del Season.DRY |
| 265 | with self.assertRaises(AttributeError): |
| 266 | del Season.SPRING.name |
| 267 | |
Ethan Furman | 5de67b1 | 2016-04-13 23:52:09 -0700 | [diff] [blame] | 268 | def test_bool_of_class(self): |
| 269 | class Empty(Enum): |
| 270 | pass |
| 271 | self.assertTrue(bool(Empty)) |
| 272 | |
| 273 | def test_bool_of_member(self): |
| 274 | class Count(Enum): |
| 275 | zero = 0 |
| 276 | one = 1 |
| 277 | two = 2 |
| 278 | for member in Count: |
| 279 | self.assertTrue(bool(member)) |
| 280 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 281 | def test_invalid_names(self): |
| 282 | with self.assertRaises(ValueError): |
| 283 | class Wrong(Enum): |
| 284 | mro = 9 |
| 285 | with self.assertRaises(ValueError): |
| 286 | class Wrong(Enum): |
| 287 | _create_= 11 |
| 288 | with self.assertRaises(ValueError): |
| 289 | class Wrong(Enum): |
| 290 | _get_mixins_ = 9 |
| 291 | with self.assertRaises(ValueError): |
| 292 | class Wrong(Enum): |
| 293 | _find_new_ = 1 |
| 294 | with self.assertRaises(ValueError): |
| 295 | class Wrong(Enum): |
| 296 | _any_name_ = 9 |
| 297 | |
Ethan Furman | 6db1fd5 | 2015-09-17 21:49:12 -0700 | [diff] [blame] | 298 | def test_bool(self): |
Ethan Furman | 60255b6 | 2016-01-15 15:01:33 -0800 | [diff] [blame] | 299 | # plain Enum members are always True |
Ethan Furman | 6db1fd5 | 2015-09-17 21:49:12 -0700 | [diff] [blame] | 300 | class Logic(Enum): |
| 301 | true = True |
| 302 | false = False |
| 303 | self.assertTrue(Logic.true) |
Ethan Furman | 60255b6 | 2016-01-15 15:01:33 -0800 | [diff] [blame] | 304 | self.assertTrue(Logic.false) |
| 305 | # unless overridden |
| 306 | class RealLogic(Enum): |
| 307 | true = True |
| 308 | false = False |
| 309 | def __bool__(self): |
| 310 | return bool(self._value_) |
| 311 | self.assertTrue(RealLogic.true) |
| 312 | self.assertFalse(RealLogic.false) |
| 313 | # mixed Enums depend on mixed-in type |
| 314 | class IntLogic(int, Enum): |
| 315 | true = 1 |
| 316 | false = 0 |
| 317 | self.assertTrue(IntLogic.true) |
| 318 | self.assertFalse(IntLogic.false) |
Ethan Furman | 6db1fd5 | 2015-09-17 21:49:12 -0700 | [diff] [blame] | 319 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 320 | def test_contains(self): |
| 321 | Season = self.Season |
| 322 | self.assertIn(Season.AUTUMN, Season) |
| 323 | self.assertNotIn(3, Season) |
| 324 | |
| 325 | val = Season(3) |
| 326 | self.assertIn(val, Season) |
| 327 | |
| 328 | class OtherEnum(Enum): |
| 329 | one = 1; two = 2 |
| 330 | self.assertNotIn(OtherEnum.two, Season) |
| 331 | |
| 332 | def test_comparisons(self): |
| 333 | Season = self.Season |
| 334 | with self.assertRaises(TypeError): |
| 335 | Season.SPRING < Season.WINTER |
| 336 | with self.assertRaises(TypeError): |
| 337 | Season.SPRING > 4 |
| 338 | |
| 339 | self.assertNotEqual(Season.SPRING, 1) |
| 340 | |
| 341 | class Part(Enum): |
| 342 | SPRING = 1 |
| 343 | CLIP = 2 |
| 344 | BARREL = 3 |
| 345 | |
| 346 | self.assertNotEqual(Season.SPRING, Part.SPRING) |
| 347 | with self.assertRaises(TypeError): |
| 348 | Season.SPRING < Part.CLIP |
| 349 | |
| 350 | def test_enum_duplicates(self): |
| 351 | class Season(Enum): |
| 352 | SPRING = 1 |
| 353 | SUMMER = 2 |
| 354 | AUTUMN = FALL = 3 |
| 355 | WINTER = 4 |
| 356 | ANOTHER_SPRING = 1 |
| 357 | lst = list(Season) |
| 358 | self.assertEqual( |
| 359 | lst, |
| 360 | [Season.SPRING, Season.SUMMER, |
| 361 | Season.AUTUMN, Season.WINTER, |
| 362 | ]) |
| 363 | self.assertIs(Season.FALL, Season.AUTUMN) |
| 364 | self.assertEqual(Season.FALL.value, 3) |
| 365 | self.assertEqual(Season.AUTUMN.value, 3) |
| 366 | self.assertIs(Season(3), Season.AUTUMN) |
| 367 | self.assertIs(Season(1), Season.SPRING) |
| 368 | self.assertEqual(Season.FALL.name, 'AUTUMN') |
| 369 | self.assertEqual( |
| 370 | [k for k,v in Season.__members__.items() if v.name != k], |
| 371 | ['FALL', 'ANOTHER_SPRING'], |
| 372 | ) |
| 373 | |
Ethan Furman | 101e074 | 2013-09-15 12:34:36 -0700 | [diff] [blame] | 374 | def test_duplicate_name(self): |
| 375 | with self.assertRaises(TypeError): |
| 376 | class Color(Enum): |
| 377 | red = 1 |
| 378 | green = 2 |
| 379 | blue = 3 |
| 380 | red = 4 |
| 381 | |
| 382 | with self.assertRaises(TypeError): |
| 383 | class Color(Enum): |
| 384 | red = 1 |
| 385 | green = 2 |
| 386 | blue = 3 |
| 387 | def red(self): |
| 388 | return 'red' |
| 389 | |
| 390 | with self.assertRaises(TypeError): |
| 391 | class Color(Enum): |
| 392 | @property |
| 393 | def red(self): |
| 394 | return 'redder' |
| 395 | red = 1 |
| 396 | green = 2 |
| 397 | blue = 3 |
| 398 | |
| 399 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 400 | def test_enum_with_value_name(self): |
| 401 | class Huh(Enum): |
| 402 | name = 1 |
| 403 | value = 2 |
| 404 | self.assertEqual( |
| 405 | list(Huh), |
| 406 | [Huh.name, Huh.value], |
| 407 | ) |
| 408 | self.assertIs(type(Huh.name), Huh) |
| 409 | self.assertEqual(Huh.name.name, 'name') |
| 410 | self.assertEqual(Huh.name.value, 1) |
Ethan Furman | ec15a82 | 2013-08-31 19:17:41 -0700 | [diff] [blame] | 411 | |
| 412 | def test_format_enum(self): |
| 413 | Season = self.Season |
| 414 | self.assertEqual('{}'.format(Season.SPRING), |
| 415 | '{}'.format(str(Season.SPRING))) |
| 416 | self.assertEqual( '{:}'.format(Season.SPRING), |
| 417 | '{:}'.format(str(Season.SPRING))) |
| 418 | self.assertEqual('{:20}'.format(Season.SPRING), |
| 419 | '{:20}'.format(str(Season.SPRING))) |
| 420 | self.assertEqual('{:^20}'.format(Season.SPRING), |
| 421 | '{:^20}'.format(str(Season.SPRING))) |
| 422 | self.assertEqual('{:>20}'.format(Season.SPRING), |
| 423 | '{:>20}'.format(str(Season.SPRING))) |
| 424 | self.assertEqual('{:<20}'.format(Season.SPRING), |
| 425 | '{:<20}'.format(str(Season.SPRING))) |
| 426 | |
| 427 | def test_format_enum_custom(self): |
| 428 | class TestFloat(float, Enum): |
| 429 | one = 1.0 |
| 430 | two = 2.0 |
| 431 | def __format__(self, spec): |
| 432 | return 'TestFloat success!' |
| 433 | self.assertEqual('{}'.format(TestFloat.one), 'TestFloat success!') |
| 434 | |
| 435 | def assertFormatIsValue(self, spec, member): |
| 436 | self.assertEqual(spec.format(member), spec.format(member.value)) |
| 437 | |
| 438 | def test_format_enum_date(self): |
| 439 | Holiday = self.Holiday |
| 440 | self.assertFormatIsValue('{}', Holiday.IDES_OF_MARCH) |
| 441 | self.assertFormatIsValue('{:}', Holiday.IDES_OF_MARCH) |
| 442 | self.assertFormatIsValue('{:20}', Holiday.IDES_OF_MARCH) |
| 443 | self.assertFormatIsValue('{:^20}', Holiday.IDES_OF_MARCH) |
| 444 | self.assertFormatIsValue('{:>20}', Holiday.IDES_OF_MARCH) |
| 445 | self.assertFormatIsValue('{:<20}', Holiday.IDES_OF_MARCH) |
| 446 | self.assertFormatIsValue('{:%Y %m}', Holiday.IDES_OF_MARCH) |
| 447 | self.assertFormatIsValue('{:%Y %m %M:00}', Holiday.IDES_OF_MARCH) |
| 448 | |
| 449 | def test_format_enum_float(self): |
| 450 | Konstants = self.Konstants |
| 451 | self.assertFormatIsValue('{}', Konstants.TAU) |
| 452 | self.assertFormatIsValue('{:}', Konstants.TAU) |
| 453 | self.assertFormatIsValue('{:20}', Konstants.TAU) |
| 454 | self.assertFormatIsValue('{:^20}', Konstants.TAU) |
| 455 | self.assertFormatIsValue('{:>20}', Konstants.TAU) |
| 456 | self.assertFormatIsValue('{:<20}', Konstants.TAU) |
| 457 | self.assertFormatIsValue('{:n}', Konstants.TAU) |
| 458 | self.assertFormatIsValue('{:5.2}', Konstants.TAU) |
| 459 | self.assertFormatIsValue('{:f}', Konstants.TAU) |
| 460 | |
| 461 | def test_format_enum_int(self): |
| 462 | Grades = self.Grades |
| 463 | self.assertFormatIsValue('{}', Grades.C) |
| 464 | self.assertFormatIsValue('{:}', Grades.C) |
| 465 | self.assertFormatIsValue('{:20}', Grades.C) |
| 466 | self.assertFormatIsValue('{:^20}', Grades.C) |
| 467 | self.assertFormatIsValue('{:>20}', Grades.C) |
| 468 | self.assertFormatIsValue('{:<20}', Grades.C) |
| 469 | self.assertFormatIsValue('{:+}', Grades.C) |
| 470 | self.assertFormatIsValue('{:08X}', Grades.C) |
| 471 | self.assertFormatIsValue('{:b}', Grades.C) |
| 472 | |
| 473 | def test_format_enum_str(self): |
| 474 | Directional = self.Directional |
| 475 | self.assertFormatIsValue('{}', Directional.WEST) |
| 476 | self.assertFormatIsValue('{:}', Directional.WEST) |
| 477 | self.assertFormatIsValue('{:20}', Directional.WEST) |
| 478 | self.assertFormatIsValue('{:^20}', Directional.WEST) |
| 479 | self.assertFormatIsValue('{:>20}', Directional.WEST) |
| 480 | self.assertFormatIsValue('{:<20}', Directional.WEST) |
| 481 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 482 | def test_hash(self): |
| 483 | Season = self.Season |
| 484 | dates = {} |
| 485 | dates[Season.WINTER] = '1225' |
| 486 | dates[Season.SPRING] = '0315' |
| 487 | dates[Season.SUMMER] = '0704' |
| 488 | dates[Season.AUTUMN] = '1031' |
| 489 | self.assertEqual(dates[Season.AUTUMN], '1031') |
| 490 | |
| 491 | def test_intenum_from_scratch(self): |
| 492 | class phy(int, Enum): |
| 493 | pi = 3 |
| 494 | tau = 2 * pi |
| 495 | self.assertTrue(phy.pi < phy.tau) |
| 496 | |
| 497 | def test_intenum_inherited(self): |
| 498 | class IntEnum(int, Enum): |
| 499 | pass |
| 500 | class phy(IntEnum): |
| 501 | pi = 3 |
| 502 | tau = 2 * pi |
| 503 | self.assertTrue(phy.pi < phy.tau) |
| 504 | |
| 505 | def test_floatenum_from_scratch(self): |
| 506 | class phy(float, Enum): |
Ethan Furman | ec15a82 | 2013-08-31 19:17:41 -0700 | [diff] [blame] | 507 | pi = 3.1415926 |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 508 | tau = 2 * pi |
| 509 | self.assertTrue(phy.pi < phy.tau) |
| 510 | |
| 511 | def test_floatenum_inherited(self): |
| 512 | class FloatEnum(float, Enum): |
| 513 | pass |
| 514 | class phy(FloatEnum): |
Ethan Furman | ec15a82 | 2013-08-31 19:17:41 -0700 | [diff] [blame] | 515 | pi = 3.1415926 |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 516 | tau = 2 * pi |
| 517 | self.assertTrue(phy.pi < phy.tau) |
| 518 | |
| 519 | def test_strenum_from_scratch(self): |
| 520 | class phy(str, Enum): |
| 521 | pi = 'Pi' |
| 522 | tau = 'Tau' |
| 523 | self.assertTrue(phy.pi < phy.tau) |
| 524 | |
| 525 | def test_strenum_inherited(self): |
| 526 | class StrEnum(str, Enum): |
| 527 | pass |
| 528 | class phy(StrEnum): |
| 529 | pi = 'Pi' |
| 530 | tau = 'Tau' |
| 531 | self.assertTrue(phy.pi < phy.tau) |
| 532 | |
| 533 | |
| 534 | def test_intenum(self): |
| 535 | class WeekDay(IntEnum): |
| 536 | SUNDAY = 1 |
| 537 | MONDAY = 2 |
| 538 | TUESDAY = 3 |
| 539 | WEDNESDAY = 4 |
| 540 | THURSDAY = 5 |
| 541 | FRIDAY = 6 |
| 542 | SATURDAY = 7 |
| 543 | |
| 544 | self.assertEqual(['a', 'b', 'c'][WeekDay.MONDAY], 'c') |
| 545 | self.assertEqual([i for i in range(WeekDay.TUESDAY)], [0, 1, 2]) |
| 546 | |
| 547 | lst = list(WeekDay) |
| 548 | self.assertEqual(len(lst), len(WeekDay)) |
| 549 | self.assertEqual(len(WeekDay), 7) |
| 550 | target = 'SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY' |
| 551 | target = target.split() |
| 552 | for i, weekday in enumerate(target, 1): |
| 553 | e = WeekDay(i) |
| 554 | self.assertEqual(e, i) |
| 555 | self.assertEqual(int(e), i) |
| 556 | self.assertEqual(e.name, weekday) |
| 557 | self.assertIn(e, WeekDay) |
| 558 | self.assertEqual(lst.index(e)+1, i) |
| 559 | self.assertTrue(0 < e < 8) |
| 560 | self.assertIs(type(e), WeekDay) |
| 561 | self.assertIsInstance(e, int) |
| 562 | self.assertIsInstance(e, Enum) |
| 563 | |
| 564 | def test_intenum_duplicates(self): |
| 565 | class WeekDay(IntEnum): |
| 566 | SUNDAY = 1 |
| 567 | MONDAY = 2 |
| 568 | TUESDAY = TEUSDAY = 3 |
| 569 | WEDNESDAY = 4 |
| 570 | THURSDAY = 5 |
| 571 | FRIDAY = 6 |
| 572 | SATURDAY = 7 |
| 573 | self.assertIs(WeekDay.TEUSDAY, WeekDay.TUESDAY) |
| 574 | self.assertEqual(WeekDay(3).name, 'TUESDAY') |
| 575 | self.assertEqual([k for k,v in WeekDay.__members__.items() |
| 576 | if v.name != k], ['TEUSDAY', ]) |
| 577 | |
Serhiy Storchaka | ea36c94 | 2016-05-12 10:37:58 +0300 | [diff] [blame] | 578 | def test_intenum_from_bytes(self): |
| 579 | self.assertIs(IntStooges.from_bytes(b'\x00\x03', 'big'), IntStooges.MOE) |
| 580 | with self.assertRaises(ValueError): |
| 581 | IntStooges.from_bytes(b'\x00\x05', 'big') |
| 582 | |
| 583 | def test_floatenum_fromhex(self): |
| 584 | h = float.hex(FloatStooges.MOE.value) |
| 585 | self.assertIs(FloatStooges.fromhex(h), FloatStooges.MOE) |
| 586 | h = float.hex(FloatStooges.MOE.value + 0.01) |
| 587 | with self.assertRaises(ValueError): |
| 588 | FloatStooges.fromhex(h) |
| 589 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 590 | def test_pickle_enum(self): |
| 591 | if isinstance(Stooges, Exception): |
| 592 | raise Stooges |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 593 | test_pickle_dump_load(self.assertIs, Stooges.CURLY) |
| 594 | test_pickle_dump_load(self.assertIs, Stooges) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 595 | |
| 596 | def test_pickle_int(self): |
| 597 | if isinstance(IntStooges, Exception): |
| 598 | raise IntStooges |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 599 | test_pickle_dump_load(self.assertIs, IntStooges.CURLY) |
| 600 | test_pickle_dump_load(self.assertIs, IntStooges) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 601 | |
| 602 | def test_pickle_float(self): |
| 603 | if isinstance(FloatStooges, Exception): |
| 604 | raise FloatStooges |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 605 | test_pickle_dump_load(self.assertIs, FloatStooges.CURLY) |
| 606 | test_pickle_dump_load(self.assertIs, FloatStooges) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 607 | |
| 608 | def test_pickle_enum_function(self): |
| 609 | if isinstance(Answer, Exception): |
| 610 | raise Answer |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 611 | test_pickle_dump_load(self.assertIs, Answer.him) |
| 612 | test_pickle_dump_load(self.assertIs, Answer) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 613 | |
| 614 | def test_pickle_enum_function_with_module(self): |
| 615 | if isinstance(Question, Exception): |
| 616 | raise Question |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 617 | test_pickle_dump_load(self.assertIs, Question.who) |
| 618 | test_pickle_dump_load(self.assertIs, Question) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 619 | |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 620 | def test_enum_function_with_qualname(self): |
| 621 | if isinstance(Theory, Exception): |
| 622 | raise Theory |
| 623 | self.assertEqual(Theory.__qualname__, 'spanish_inquisition') |
| 624 | |
| 625 | def test_class_nested_enum_and_pickle_protocol_four(self): |
| 626 | # would normally just have this directly in the class namespace |
| 627 | class NestedEnum(Enum): |
| 628 | twigs = 'common' |
| 629 | shiny = 'rare' |
| 630 | |
| 631 | self.__class__.NestedEnum = NestedEnum |
| 632 | self.NestedEnum.__qualname__ = '%s.NestedEnum' % self.__class__.__name__ |
Serhiy Storchaka | e50e780 | 2015-03-31 16:56:49 +0300 | [diff] [blame] | 633 | test_pickle_dump_load(self.assertIs, self.NestedEnum.twigs) |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 634 | |
Ethan Furman | 24e837f | 2015-03-18 17:27:57 -0700 | [diff] [blame] | 635 | def test_pickle_by_name(self): |
| 636 | class ReplaceGlobalInt(IntEnum): |
| 637 | ONE = 1 |
| 638 | TWO = 2 |
| 639 | ReplaceGlobalInt.__reduce_ex__ = enum._reduce_ex_by_name |
| 640 | for proto in range(HIGHEST_PROTOCOL): |
| 641 | self.assertEqual(ReplaceGlobalInt.TWO.__reduce_ex__(proto), 'TWO') |
| 642 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 643 | def test_exploding_pickle(self): |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 644 | BadPickle = Enum( |
| 645 | 'BadPickle', 'dill sweet bread-n-butter', module=__name__) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 646 | globals()['BadPickle'] = BadPickle |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 647 | # now break BadPickle to test exception raising |
| 648 | enum._make_class_unpicklable(BadPickle) |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 649 | test_pickle_exception(self.assertRaises, TypeError, BadPickle.dill) |
| 650 | test_pickle_exception(self.assertRaises, PicklingError, BadPickle) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 651 | |
| 652 | def test_string_enum(self): |
| 653 | class SkillLevel(str, Enum): |
| 654 | master = 'what is the sound of one hand clapping?' |
| 655 | journeyman = 'why did the chicken cross the road?' |
| 656 | apprentice = 'knock, knock!' |
| 657 | self.assertEqual(SkillLevel.apprentice, 'knock, knock!') |
| 658 | |
| 659 | def test_getattr_getitem(self): |
| 660 | class Period(Enum): |
| 661 | morning = 1 |
| 662 | noon = 2 |
| 663 | evening = 3 |
| 664 | night = 4 |
| 665 | self.assertIs(Period(2), Period.noon) |
| 666 | self.assertIs(getattr(Period, 'night'), Period.night) |
| 667 | self.assertIs(Period['morning'], Period.morning) |
| 668 | |
| 669 | def test_getattr_dunder(self): |
| 670 | Season = self.Season |
| 671 | self.assertTrue(getattr(Season, '__eq__')) |
| 672 | |
| 673 | def test_iteration_order(self): |
| 674 | class Season(Enum): |
| 675 | SUMMER = 2 |
| 676 | WINTER = 4 |
| 677 | AUTUMN = 3 |
| 678 | SPRING = 1 |
| 679 | self.assertEqual( |
| 680 | list(Season), |
| 681 | [Season.SUMMER, Season.WINTER, Season.AUTUMN, Season.SPRING], |
| 682 | ) |
| 683 | |
Ethan Furman | 2131a4a | 2013-09-14 18:11:24 -0700 | [diff] [blame] | 684 | def test_reversed_iteration_order(self): |
| 685 | self.assertEqual( |
| 686 | list(reversed(self.Season)), |
| 687 | [self.Season.WINTER, self.Season.AUTUMN, self.Season.SUMMER, |
| 688 | self.Season.SPRING] |
| 689 | ) |
| 690 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 691 | def test_programmatic_function_string(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 692 | SummerMonth = Enum('SummerMonth', 'june july august') |
| 693 | lst = list(SummerMonth) |
| 694 | self.assertEqual(len(lst), len(SummerMonth)) |
| 695 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 696 | self.assertEqual( |
| 697 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 698 | lst, |
| 699 | ) |
| 700 | for i, month in enumerate('june july august'.split(), 1): |
| 701 | e = SummerMonth(i) |
| 702 | self.assertEqual(int(e.value), i) |
| 703 | self.assertNotEqual(e, i) |
| 704 | self.assertEqual(e.name, month) |
| 705 | self.assertIn(e, SummerMonth) |
| 706 | self.assertIs(type(e), SummerMonth) |
| 707 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 708 | def test_programmatic_function_string_with_start(self): |
Ethan Furman | d9925a1 | 2014-09-16 20:35:55 -0700 | [diff] [blame] | 709 | SummerMonth = Enum('SummerMonth', 'june july august', start=10) |
| 710 | lst = list(SummerMonth) |
| 711 | self.assertEqual(len(lst), len(SummerMonth)) |
| 712 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 713 | self.assertEqual( |
| 714 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 715 | lst, |
| 716 | ) |
| 717 | for i, month in enumerate('june july august'.split(), 10): |
| 718 | e = SummerMonth(i) |
| 719 | self.assertEqual(int(e.value), i) |
| 720 | self.assertNotEqual(e, i) |
| 721 | self.assertEqual(e.name, month) |
| 722 | self.assertIn(e, SummerMonth) |
| 723 | self.assertIs(type(e), SummerMonth) |
| 724 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 725 | def test_programmatic_function_string_list(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 726 | SummerMonth = Enum('SummerMonth', ['june', 'july', 'august']) |
| 727 | lst = list(SummerMonth) |
| 728 | self.assertEqual(len(lst), len(SummerMonth)) |
| 729 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 730 | self.assertEqual( |
| 731 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 732 | lst, |
| 733 | ) |
| 734 | for i, month in enumerate('june july august'.split(), 1): |
| 735 | e = SummerMonth(i) |
| 736 | self.assertEqual(int(e.value), i) |
| 737 | self.assertNotEqual(e, i) |
| 738 | self.assertEqual(e.name, month) |
| 739 | self.assertIn(e, SummerMonth) |
| 740 | self.assertIs(type(e), SummerMonth) |
| 741 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 742 | def test_programmatic_function_string_list_with_start(self): |
Ethan Furman | d9925a1 | 2014-09-16 20:35:55 -0700 | [diff] [blame] | 743 | SummerMonth = Enum('SummerMonth', ['june', 'july', 'august'], start=20) |
| 744 | lst = list(SummerMonth) |
| 745 | self.assertEqual(len(lst), len(SummerMonth)) |
| 746 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 747 | self.assertEqual( |
| 748 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 749 | lst, |
| 750 | ) |
| 751 | for i, month in enumerate('june july august'.split(), 20): |
| 752 | e = SummerMonth(i) |
| 753 | self.assertEqual(int(e.value), i) |
| 754 | self.assertNotEqual(e, i) |
| 755 | self.assertEqual(e.name, month) |
| 756 | self.assertIn(e, SummerMonth) |
| 757 | self.assertIs(type(e), SummerMonth) |
| 758 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 759 | def test_programmatic_function_iterable(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 760 | SummerMonth = Enum( |
| 761 | 'SummerMonth', |
| 762 | (('june', 1), ('july', 2), ('august', 3)) |
| 763 | ) |
| 764 | lst = list(SummerMonth) |
| 765 | self.assertEqual(len(lst), len(SummerMonth)) |
| 766 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 767 | self.assertEqual( |
| 768 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 769 | lst, |
| 770 | ) |
| 771 | for i, month in enumerate('june july august'.split(), 1): |
| 772 | e = SummerMonth(i) |
| 773 | self.assertEqual(int(e.value), i) |
| 774 | self.assertNotEqual(e, i) |
| 775 | self.assertEqual(e.name, month) |
| 776 | self.assertIn(e, SummerMonth) |
| 777 | self.assertIs(type(e), SummerMonth) |
| 778 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 779 | def test_programmatic_function_from_dict(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 780 | SummerMonth = Enum( |
| 781 | 'SummerMonth', |
| 782 | OrderedDict((('june', 1), ('july', 2), ('august', 3))) |
| 783 | ) |
| 784 | lst = list(SummerMonth) |
| 785 | self.assertEqual(len(lst), len(SummerMonth)) |
| 786 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 787 | self.assertEqual( |
| 788 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 789 | lst, |
| 790 | ) |
| 791 | for i, month in enumerate('june july august'.split(), 1): |
| 792 | e = SummerMonth(i) |
| 793 | self.assertEqual(int(e.value), i) |
| 794 | self.assertNotEqual(e, i) |
| 795 | self.assertEqual(e.name, month) |
| 796 | self.assertIn(e, SummerMonth) |
| 797 | self.assertIs(type(e), SummerMonth) |
| 798 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 799 | def test_programmatic_function_type(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 800 | SummerMonth = Enum('SummerMonth', 'june july august', type=int) |
| 801 | lst = list(SummerMonth) |
| 802 | self.assertEqual(len(lst), len(SummerMonth)) |
| 803 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 804 | self.assertEqual( |
| 805 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 806 | lst, |
| 807 | ) |
| 808 | for i, month in enumerate('june july august'.split(), 1): |
| 809 | e = SummerMonth(i) |
| 810 | self.assertEqual(e, i) |
| 811 | self.assertEqual(e.name, month) |
| 812 | self.assertIn(e, SummerMonth) |
| 813 | self.assertIs(type(e), SummerMonth) |
| 814 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 815 | def test_programmatic_function_type_with_start(self): |
Ethan Furman | d9925a1 | 2014-09-16 20:35:55 -0700 | [diff] [blame] | 816 | SummerMonth = Enum('SummerMonth', 'june july august', type=int, start=30) |
| 817 | lst = list(SummerMonth) |
| 818 | self.assertEqual(len(lst), len(SummerMonth)) |
| 819 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 820 | self.assertEqual( |
| 821 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 822 | lst, |
| 823 | ) |
| 824 | for i, month in enumerate('june july august'.split(), 30): |
| 825 | e = SummerMonth(i) |
| 826 | self.assertEqual(e, i) |
| 827 | self.assertEqual(e.name, month) |
| 828 | self.assertIn(e, SummerMonth) |
| 829 | self.assertIs(type(e), SummerMonth) |
| 830 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 831 | def test_programmatic_function_type_from_subclass(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 832 | SummerMonth = IntEnum('SummerMonth', 'june july august') |
| 833 | lst = list(SummerMonth) |
| 834 | self.assertEqual(len(lst), len(SummerMonth)) |
| 835 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 836 | self.assertEqual( |
| 837 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 838 | lst, |
| 839 | ) |
| 840 | for i, month in enumerate('june july august'.split(), 1): |
| 841 | e = SummerMonth(i) |
| 842 | self.assertEqual(e, i) |
| 843 | self.assertEqual(e.name, month) |
| 844 | self.assertIn(e, SummerMonth) |
| 845 | self.assertIs(type(e), SummerMonth) |
| 846 | |
Martin Panter | eb99570 | 2016-07-28 01:11:04 +0000 | [diff] [blame] | 847 | def test_programmatic_function_type_from_subclass_with_start(self): |
Ethan Furman | d9925a1 | 2014-09-16 20:35:55 -0700 | [diff] [blame] | 848 | SummerMonth = IntEnum('SummerMonth', 'june july august', start=40) |
| 849 | lst = list(SummerMonth) |
| 850 | self.assertEqual(len(lst), len(SummerMonth)) |
| 851 | self.assertEqual(len(SummerMonth), 3, SummerMonth) |
| 852 | self.assertEqual( |
| 853 | [SummerMonth.june, SummerMonth.july, SummerMonth.august], |
| 854 | lst, |
| 855 | ) |
| 856 | for i, month in enumerate('june july august'.split(), 40): |
| 857 | e = SummerMonth(i) |
| 858 | self.assertEqual(e, i) |
| 859 | self.assertEqual(e.name, month) |
| 860 | self.assertIn(e, SummerMonth) |
| 861 | self.assertIs(type(e), SummerMonth) |
| 862 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 863 | def test_subclassing(self): |
| 864 | if isinstance(Name, Exception): |
| 865 | raise Name |
| 866 | self.assertEqual(Name.BDFL, 'Guido van Rossum') |
| 867 | self.assertTrue(Name.BDFL, Name('Guido van Rossum')) |
| 868 | self.assertIs(Name.BDFL, getattr(Name, 'BDFL')) |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 869 | test_pickle_dump_load(self.assertIs, Name.BDFL) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 870 | |
| 871 | def test_extending(self): |
| 872 | class Color(Enum): |
| 873 | red = 1 |
| 874 | green = 2 |
| 875 | blue = 3 |
| 876 | with self.assertRaises(TypeError): |
| 877 | class MoreColor(Color): |
| 878 | cyan = 4 |
| 879 | magenta = 5 |
| 880 | yellow = 6 |
| 881 | |
| 882 | def test_exclude_methods(self): |
| 883 | class whatever(Enum): |
| 884 | this = 'that' |
| 885 | these = 'those' |
| 886 | def really(self): |
| 887 | return 'no, not %s' % self.value |
| 888 | self.assertIsNot(type(whatever.really), whatever) |
| 889 | self.assertEqual(whatever.this.really(), 'no, not that') |
| 890 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 891 | def test_wrong_inheritance_order(self): |
| 892 | with self.assertRaises(TypeError): |
| 893 | class Wrong(Enum, str): |
| 894 | NotHere = 'error before this point' |
| 895 | |
| 896 | def test_intenum_transitivity(self): |
| 897 | class number(IntEnum): |
| 898 | one = 1 |
| 899 | two = 2 |
| 900 | three = 3 |
| 901 | class numero(IntEnum): |
| 902 | uno = 1 |
| 903 | dos = 2 |
| 904 | tres = 3 |
| 905 | self.assertEqual(number.one, numero.uno) |
| 906 | self.assertEqual(number.two, numero.dos) |
| 907 | self.assertEqual(number.three, numero.tres) |
| 908 | |
| 909 | def test_wrong_enum_in_call(self): |
| 910 | class Monochrome(Enum): |
| 911 | black = 0 |
| 912 | white = 1 |
| 913 | class Gender(Enum): |
| 914 | male = 0 |
| 915 | female = 1 |
| 916 | self.assertRaises(ValueError, Monochrome, Gender.male) |
| 917 | |
| 918 | def test_wrong_enum_in_mixed_call(self): |
| 919 | class Monochrome(IntEnum): |
| 920 | black = 0 |
| 921 | white = 1 |
| 922 | class Gender(Enum): |
| 923 | male = 0 |
| 924 | female = 1 |
| 925 | self.assertRaises(ValueError, Monochrome, Gender.male) |
| 926 | |
| 927 | def test_mixed_enum_in_call_1(self): |
| 928 | class Monochrome(IntEnum): |
| 929 | black = 0 |
| 930 | white = 1 |
| 931 | class Gender(IntEnum): |
| 932 | male = 0 |
| 933 | female = 1 |
| 934 | self.assertIs(Monochrome(Gender.female), Monochrome.white) |
| 935 | |
| 936 | def test_mixed_enum_in_call_2(self): |
| 937 | class Monochrome(Enum): |
| 938 | black = 0 |
| 939 | white = 1 |
| 940 | class Gender(IntEnum): |
| 941 | male = 0 |
| 942 | female = 1 |
| 943 | self.assertIs(Monochrome(Gender.male), Monochrome.black) |
| 944 | |
| 945 | def test_flufl_enum(self): |
| 946 | class Fluflnum(Enum): |
| 947 | def __int__(self): |
| 948 | return int(self.value) |
| 949 | class MailManOptions(Fluflnum): |
| 950 | option1 = 1 |
| 951 | option2 = 2 |
| 952 | option3 = 3 |
| 953 | self.assertEqual(int(MailManOptions.option1), 1) |
| 954 | |
Ethan Furman | 5e5a823 | 2013-08-04 08:42:23 -0700 | [diff] [blame] | 955 | def test_introspection(self): |
| 956 | class Number(IntEnum): |
| 957 | one = 100 |
| 958 | two = 200 |
| 959 | self.assertIs(Number.one._member_type_, int) |
| 960 | self.assertIs(Number._member_type_, int) |
| 961 | class String(str, Enum): |
| 962 | yarn = 'soft' |
| 963 | rope = 'rough' |
| 964 | wire = 'hard' |
| 965 | self.assertIs(String.yarn._member_type_, str) |
| 966 | self.assertIs(String._member_type_, str) |
| 967 | class Plain(Enum): |
| 968 | vanilla = 'white' |
| 969 | one = 1 |
| 970 | self.assertIs(Plain.vanilla._member_type_, object) |
| 971 | self.assertIs(Plain._member_type_, object) |
| 972 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 973 | def test_no_such_enum_member(self): |
| 974 | class Color(Enum): |
| 975 | red = 1 |
| 976 | green = 2 |
| 977 | blue = 3 |
| 978 | with self.assertRaises(ValueError): |
| 979 | Color(4) |
| 980 | with self.assertRaises(KeyError): |
| 981 | Color['chartreuse'] |
| 982 | |
| 983 | def test_new_repr(self): |
| 984 | class Color(Enum): |
| 985 | red = 1 |
| 986 | green = 2 |
| 987 | blue = 3 |
| 988 | def __repr__(self): |
| 989 | return "don't you just love shades of %s?" % self.name |
| 990 | self.assertEqual( |
| 991 | repr(Color.blue), |
| 992 | "don't you just love shades of blue?", |
| 993 | ) |
| 994 | |
| 995 | def test_inherited_repr(self): |
| 996 | class MyEnum(Enum): |
| 997 | def __repr__(self): |
| 998 | return "My name is %s." % self.name |
| 999 | class MyIntEnum(int, MyEnum): |
| 1000 | this = 1 |
| 1001 | that = 2 |
| 1002 | theother = 3 |
| 1003 | self.assertEqual(repr(MyIntEnum.that), "My name is that.") |
| 1004 | |
| 1005 | def test_multiple_mixin_mro(self): |
| 1006 | class auto_enum(type(Enum)): |
| 1007 | def __new__(metacls, cls, bases, classdict): |
| 1008 | temp = type(classdict)() |
| 1009 | names = set(classdict._member_names) |
| 1010 | i = 0 |
| 1011 | for k in classdict._member_names: |
| 1012 | v = classdict[k] |
| 1013 | if v is Ellipsis: |
| 1014 | v = i |
| 1015 | else: |
| 1016 | i = v |
| 1017 | i += 1 |
| 1018 | temp[k] = v |
| 1019 | for k, v in classdict.items(): |
| 1020 | if k not in names: |
| 1021 | temp[k] = v |
| 1022 | return super(auto_enum, metacls).__new__( |
| 1023 | metacls, cls, bases, temp) |
| 1024 | |
| 1025 | class AutoNumberedEnum(Enum, metaclass=auto_enum): |
| 1026 | pass |
| 1027 | |
| 1028 | class AutoIntEnum(IntEnum, metaclass=auto_enum): |
| 1029 | pass |
| 1030 | |
| 1031 | class TestAutoNumber(AutoNumberedEnum): |
| 1032 | a = ... |
| 1033 | b = 3 |
| 1034 | c = ... |
| 1035 | |
| 1036 | class TestAutoInt(AutoIntEnum): |
| 1037 | a = ... |
| 1038 | b = 3 |
| 1039 | c = ... |
| 1040 | |
| 1041 | def test_subclasses_with_getnewargs(self): |
| 1042 | class NamedInt(int): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1043 | __qualname__ = 'NamedInt' # needed for pickle protocol 4 |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1044 | def __new__(cls, *args): |
| 1045 | _args = args |
| 1046 | name, *args = args |
| 1047 | if len(args) == 0: |
| 1048 | raise TypeError("name and value must be specified") |
| 1049 | self = int.__new__(cls, *args) |
| 1050 | self._intname = name |
| 1051 | self._args = _args |
| 1052 | return self |
| 1053 | def __getnewargs__(self): |
| 1054 | return self._args |
| 1055 | @property |
| 1056 | def __name__(self): |
| 1057 | return self._intname |
| 1058 | def __repr__(self): |
| 1059 | # repr() is updated to include the name and type info |
| 1060 | return "{}({!r}, {})".format(type(self).__name__, |
| 1061 | self.__name__, |
| 1062 | int.__repr__(self)) |
| 1063 | def __str__(self): |
| 1064 | # str() is unchanged, even if it relies on the repr() fallback |
| 1065 | base = int |
| 1066 | base_str = base.__str__ |
| 1067 | if base_str.__objclass__ is object: |
| 1068 | return base.__repr__(self) |
| 1069 | return base_str(self) |
| 1070 | # for simplicity, we only define one operator that |
| 1071 | # propagates expressions |
| 1072 | def __add__(self, other): |
| 1073 | temp = int(self) + int( other) |
| 1074 | if isinstance(self, NamedInt) and isinstance(other, NamedInt): |
| 1075 | return NamedInt( |
| 1076 | '({0} + {1})'.format(self.__name__, other.__name__), |
| 1077 | temp ) |
| 1078 | else: |
| 1079 | return temp |
| 1080 | |
| 1081 | class NEI(NamedInt, Enum): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1082 | __qualname__ = 'NEI' # needed for pickle protocol 4 |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1083 | x = ('the-x', 1) |
| 1084 | y = ('the-y', 2) |
| 1085 | |
Ethan Furman | 2aa2732 | 2013-07-19 19:35:56 -0700 | [diff] [blame] | 1086 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1087 | self.assertIs(NEI.__new__, Enum.__new__) |
| 1088 | self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)") |
| 1089 | globals()['NamedInt'] = NamedInt |
| 1090 | globals()['NEI'] = NEI |
| 1091 | NI5 = NamedInt('test', 5) |
| 1092 | self.assertEqual(NI5, 5) |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1093 | test_pickle_dump_load(self.assertEqual, NI5, 5) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1094 | self.assertEqual(NEI.y.value, 2) |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1095 | test_pickle_dump_load(self.assertIs, NEI.y) |
Ethan Furman | dc87052 | 2014-02-18 12:37:12 -0800 | [diff] [blame] | 1096 | test_pickle_dump_load(self.assertIs, NEI) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1097 | |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 1098 | def test_subclasses_with_getnewargs_ex(self): |
| 1099 | class NamedInt(int): |
| 1100 | __qualname__ = 'NamedInt' # needed for pickle protocol 4 |
| 1101 | def __new__(cls, *args): |
| 1102 | _args = args |
| 1103 | name, *args = args |
| 1104 | if len(args) == 0: |
| 1105 | raise TypeError("name and value must be specified") |
| 1106 | self = int.__new__(cls, *args) |
| 1107 | self._intname = name |
| 1108 | self._args = _args |
| 1109 | return self |
| 1110 | def __getnewargs_ex__(self): |
| 1111 | return self._args, {} |
| 1112 | @property |
| 1113 | def __name__(self): |
| 1114 | return self._intname |
| 1115 | def __repr__(self): |
| 1116 | # repr() is updated to include the name and type info |
| 1117 | return "{}({!r}, {})".format(type(self).__name__, |
| 1118 | self.__name__, |
| 1119 | int.__repr__(self)) |
| 1120 | def __str__(self): |
| 1121 | # str() is unchanged, even if it relies on the repr() fallback |
| 1122 | base = int |
| 1123 | base_str = base.__str__ |
| 1124 | if base_str.__objclass__ is object: |
| 1125 | return base.__repr__(self) |
| 1126 | return base_str(self) |
| 1127 | # for simplicity, we only define one operator that |
| 1128 | # propagates expressions |
| 1129 | def __add__(self, other): |
| 1130 | temp = int(self) + int( other) |
| 1131 | if isinstance(self, NamedInt) and isinstance(other, NamedInt): |
| 1132 | return NamedInt( |
| 1133 | '({0} + {1})'.format(self.__name__, other.__name__), |
| 1134 | temp ) |
| 1135 | else: |
| 1136 | return temp |
| 1137 | |
| 1138 | class NEI(NamedInt, Enum): |
| 1139 | __qualname__ = 'NEI' # needed for pickle protocol 4 |
| 1140 | x = ('the-x', 1) |
| 1141 | y = ('the-y', 2) |
| 1142 | |
| 1143 | |
| 1144 | self.assertIs(NEI.__new__, Enum.__new__) |
| 1145 | self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)") |
| 1146 | globals()['NamedInt'] = NamedInt |
| 1147 | globals()['NEI'] = NEI |
| 1148 | NI5 = NamedInt('test', 5) |
| 1149 | self.assertEqual(NI5, 5) |
Serhiy Storchaka | e50e780 | 2015-03-31 16:56:49 +0300 | [diff] [blame] | 1150 | test_pickle_dump_load(self.assertEqual, NI5, 5) |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 1151 | self.assertEqual(NEI.y.value, 2) |
Serhiy Storchaka | e50e780 | 2015-03-31 16:56:49 +0300 | [diff] [blame] | 1152 | test_pickle_dump_load(self.assertIs, NEI.y) |
Ethan Furman | dc87052 | 2014-02-18 12:37:12 -0800 | [diff] [blame] | 1153 | test_pickle_dump_load(self.assertIs, NEI) |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 1154 | |
| 1155 | def test_subclasses_with_reduce(self): |
| 1156 | class NamedInt(int): |
| 1157 | __qualname__ = 'NamedInt' # needed for pickle protocol 4 |
| 1158 | def __new__(cls, *args): |
| 1159 | _args = args |
| 1160 | name, *args = args |
| 1161 | if len(args) == 0: |
| 1162 | raise TypeError("name and value must be specified") |
| 1163 | self = int.__new__(cls, *args) |
| 1164 | self._intname = name |
| 1165 | self._args = _args |
| 1166 | return self |
| 1167 | def __reduce__(self): |
| 1168 | return self.__class__, self._args |
| 1169 | @property |
| 1170 | def __name__(self): |
| 1171 | return self._intname |
| 1172 | def __repr__(self): |
| 1173 | # repr() is updated to include the name and type info |
| 1174 | return "{}({!r}, {})".format(type(self).__name__, |
| 1175 | self.__name__, |
| 1176 | int.__repr__(self)) |
| 1177 | def __str__(self): |
| 1178 | # str() is unchanged, even if it relies on the repr() fallback |
| 1179 | base = int |
| 1180 | base_str = base.__str__ |
| 1181 | if base_str.__objclass__ is object: |
| 1182 | return base.__repr__(self) |
| 1183 | return base_str(self) |
| 1184 | # for simplicity, we only define one operator that |
| 1185 | # propagates expressions |
| 1186 | def __add__(self, other): |
| 1187 | temp = int(self) + int( other) |
| 1188 | if isinstance(self, NamedInt) and isinstance(other, NamedInt): |
| 1189 | return NamedInt( |
| 1190 | '({0} + {1})'.format(self.__name__, other.__name__), |
| 1191 | temp ) |
| 1192 | else: |
| 1193 | return temp |
| 1194 | |
| 1195 | class NEI(NamedInt, Enum): |
| 1196 | __qualname__ = 'NEI' # needed for pickle protocol 4 |
| 1197 | x = ('the-x', 1) |
| 1198 | y = ('the-y', 2) |
| 1199 | |
| 1200 | |
| 1201 | self.assertIs(NEI.__new__, Enum.__new__) |
| 1202 | self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)") |
| 1203 | globals()['NamedInt'] = NamedInt |
| 1204 | globals()['NEI'] = NEI |
| 1205 | NI5 = NamedInt('test', 5) |
| 1206 | self.assertEqual(NI5, 5) |
| 1207 | test_pickle_dump_load(self.assertEqual, NI5, 5) |
| 1208 | self.assertEqual(NEI.y.value, 2) |
| 1209 | test_pickle_dump_load(self.assertIs, NEI.y) |
Ethan Furman | dc87052 | 2014-02-18 12:37:12 -0800 | [diff] [blame] | 1210 | test_pickle_dump_load(self.assertIs, NEI) |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 1211 | |
| 1212 | def test_subclasses_with_reduce_ex(self): |
| 1213 | class NamedInt(int): |
| 1214 | __qualname__ = 'NamedInt' # needed for pickle protocol 4 |
| 1215 | def __new__(cls, *args): |
| 1216 | _args = args |
| 1217 | name, *args = args |
| 1218 | if len(args) == 0: |
| 1219 | raise TypeError("name and value must be specified") |
| 1220 | self = int.__new__(cls, *args) |
| 1221 | self._intname = name |
| 1222 | self._args = _args |
| 1223 | return self |
| 1224 | def __reduce_ex__(self, proto): |
| 1225 | return self.__class__, self._args |
| 1226 | @property |
| 1227 | def __name__(self): |
| 1228 | return self._intname |
| 1229 | def __repr__(self): |
| 1230 | # repr() is updated to include the name and type info |
| 1231 | return "{}({!r}, {})".format(type(self).__name__, |
| 1232 | self.__name__, |
| 1233 | int.__repr__(self)) |
| 1234 | def __str__(self): |
| 1235 | # str() is unchanged, even if it relies on the repr() fallback |
| 1236 | base = int |
| 1237 | base_str = base.__str__ |
| 1238 | if base_str.__objclass__ is object: |
| 1239 | return base.__repr__(self) |
| 1240 | return base_str(self) |
| 1241 | # for simplicity, we only define one operator that |
| 1242 | # propagates expressions |
| 1243 | def __add__(self, other): |
| 1244 | temp = int(self) + int( other) |
| 1245 | if isinstance(self, NamedInt) and isinstance(other, NamedInt): |
| 1246 | return NamedInt( |
| 1247 | '({0} + {1})'.format(self.__name__, other.__name__), |
| 1248 | temp ) |
| 1249 | else: |
| 1250 | return temp |
| 1251 | |
| 1252 | class NEI(NamedInt, Enum): |
| 1253 | __qualname__ = 'NEI' # needed for pickle protocol 4 |
| 1254 | x = ('the-x', 1) |
| 1255 | y = ('the-y', 2) |
| 1256 | |
| 1257 | |
| 1258 | self.assertIs(NEI.__new__, Enum.__new__) |
| 1259 | self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)") |
| 1260 | globals()['NamedInt'] = NamedInt |
| 1261 | globals()['NEI'] = NEI |
| 1262 | NI5 = NamedInt('test', 5) |
| 1263 | self.assertEqual(NI5, 5) |
| 1264 | test_pickle_dump_load(self.assertEqual, NI5, 5) |
| 1265 | self.assertEqual(NEI.y.value, 2) |
| 1266 | test_pickle_dump_load(self.assertIs, NEI.y) |
Ethan Furman | dc87052 | 2014-02-18 12:37:12 -0800 | [diff] [blame] | 1267 | test_pickle_dump_load(self.assertIs, NEI) |
Ethan Furman | ca1b794 | 2014-02-08 11:36:27 -0800 | [diff] [blame] | 1268 | |
Ethan Furman | dc87052 | 2014-02-18 12:37:12 -0800 | [diff] [blame] | 1269 | def test_subclasses_without_direct_pickle_support(self): |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1270 | class NamedInt(int): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1271 | __qualname__ = 'NamedInt' |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1272 | def __new__(cls, *args): |
| 1273 | _args = args |
| 1274 | name, *args = args |
| 1275 | if len(args) == 0: |
| 1276 | raise TypeError("name and value must be specified") |
| 1277 | self = int.__new__(cls, *args) |
| 1278 | self._intname = name |
| 1279 | self._args = _args |
| 1280 | return self |
| 1281 | @property |
| 1282 | def __name__(self): |
| 1283 | return self._intname |
| 1284 | def __repr__(self): |
| 1285 | # repr() is updated to include the name and type info |
| 1286 | return "{}({!r}, {})".format(type(self).__name__, |
| 1287 | self.__name__, |
| 1288 | int.__repr__(self)) |
| 1289 | def __str__(self): |
| 1290 | # str() is unchanged, even if it relies on the repr() fallback |
| 1291 | base = int |
| 1292 | base_str = base.__str__ |
| 1293 | if base_str.__objclass__ is object: |
| 1294 | return base.__repr__(self) |
| 1295 | return base_str(self) |
| 1296 | # for simplicity, we only define one operator that |
| 1297 | # propagates expressions |
| 1298 | def __add__(self, other): |
| 1299 | temp = int(self) + int( other) |
| 1300 | if isinstance(self, NamedInt) and isinstance(other, NamedInt): |
| 1301 | return NamedInt( |
| 1302 | '({0} + {1})'.format(self.__name__, other.__name__), |
| 1303 | temp ) |
| 1304 | else: |
| 1305 | return temp |
| 1306 | |
| 1307 | class NEI(NamedInt, Enum): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1308 | __qualname__ = 'NEI' |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1309 | x = ('the-x', 1) |
| 1310 | y = ('the-y', 2) |
| 1311 | |
| 1312 | self.assertIs(NEI.__new__, Enum.__new__) |
| 1313 | self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)") |
| 1314 | globals()['NamedInt'] = NamedInt |
| 1315 | globals()['NEI'] = NEI |
| 1316 | NI5 = NamedInt('test', 5) |
| 1317 | self.assertEqual(NI5, 5) |
| 1318 | self.assertEqual(NEI.y.value, 2) |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1319 | test_pickle_exception(self.assertRaises, TypeError, NEI.x) |
| 1320 | test_pickle_exception(self.assertRaises, PicklingError, NEI) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1321 | |
Ethan Furman | dc87052 | 2014-02-18 12:37:12 -0800 | [diff] [blame] | 1322 | def test_subclasses_without_direct_pickle_support_using_name(self): |
| 1323 | class NamedInt(int): |
| 1324 | __qualname__ = 'NamedInt' |
| 1325 | def __new__(cls, *args): |
| 1326 | _args = args |
| 1327 | name, *args = args |
| 1328 | if len(args) == 0: |
| 1329 | raise TypeError("name and value must be specified") |
| 1330 | self = int.__new__(cls, *args) |
| 1331 | self._intname = name |
| 1332 | self._args = _args |
| 1333 | return self |
| 1334 | @property |
| 1335 | def __name__(self): |
| 1336 | return self._intname |
| 1337 | def __repr__(self): |
| 1338 | # repr() is updated to include the name and type info |
| 1339 | return "{}({!r}, {})".format(type(self).__name__, |
| 1340 | self.__name__, |
| 1341 | int.__repr__(self)) |
| 1342 | def __str__(self): |
| 1343 | # str() is unchanged, even if it relies on the repr() fallback |
| 1344 | base = int |
| 1345 | base_str = base.__str__ |
| 1346 | if base_str.__objclass__ is object: |
| 1347 | return base.__repr__(self) |
| 1348 | return base_str(self) |
| 1349 | # for simplicity, we only define one operator that |
| 1350 | # propagates expressions |
| 1351 | def __add__(self, other): |
| 1352 | temp = int(self) + int( other) |
| 1353 | if isinstance(self, NamedInt) and isinstance(other, NamedInt): |
| 1354 | return NamedInt( |
| 1355 | '({0} + {1})'.format(self.__name__, other.__name__), |
| 1356 | temp ) |
| 1357 | else: |
| 1358 | return temp |
| 1359 | |
| 1360 | class NEI(NamedInt, Enum): |
| 1361 | __qualname__ = 'NEI' |
| 1362 | x = ('the-x', 1) |
| 1363 | y = ('the-y', 2) |
| 1364 | def __reduce_ex__(self, proto): |
| 1365 | return getattr, (self.__class__, self._name_) |
| 1366 | |
| 1367 | self.assertIs(NEI.__new__, Enum.__new__) |
| 1368 | self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)") |
| 1369 | globals()['NamedInt'] = NamedInt |
| 1370 | globals()['NEI'] = NEI |
| 1371 | NI5 = NamedInt('test', 5) |
| 1372 | self.assertEqual(NI5, 5) |
| 1373 | self.assertEqual(NEI.y.value, 2) |
| 1374 | test_pickle_dump_load(self.assertIs, NEI.y) |
| 1375 | test_pickle_dump_load(self.assertIs, NEI) |
| 1376 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1377 | def test_tuple_subclass(self): |
| 1378 | class SomeTuple(tuple, Enum): |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1379 | __qualname__ = 'SomeTuple' # needed for pickle protocol 4 |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1380 | first = (1, 'for the money') |
| 1381 | second = (2, 'for the show') |
| 1382 | third = (3, 'for the music') |
| 1383 | self.assertIs(type(SomeTuple.first), SomeTuple) |
| 1384 | self.assertIsInstance(SomeTuple.second, tuple) |
| 1385 | self.assertEqual(SomeTuple.third, (3, 'for the music')) |
| 1386 | globals()['SomeTuple'] = SomeTuple |
Ethan Furman | 2ddb39a | 2014-02-06 17:28:50 -0800 | [diff] [blame] | 1387 | test_pickle_dump_load(self.assertIs, SomeTuple.first) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1388 | |
| 1389 | def test_duplicate_values_give_unique_enum_items(self): |
| 1390 | class AutoNumber(Enum): |
| 1391 | first = () |
| 1392 | second = () |
| 1393 | third = () |
| 1394 | def __new__(cls): |
| 1395 | value = len(cls.__members__) + 1 |
| 1396 | obj = object.__new__(cls) |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1397 | obj._value_ = value |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1398 | return obj |
| 1399 | def __int__(self): |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1400 | return int(self._value_) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1401 | self.assertEqual( |
| 1402 | list(AutoNumber), |
| 1403 | [AutoNumber.first, AutoNumber.second, AutoNumber.third], |
| 1404 | ) |
| 1405 | self.assertEqual(int(AutoNumber.second), 2) |
Ethan Furman | 2aa2732 | 2013-07-19 19:35:56 -0700 | [diff] [blame] | 1406 | self.assertEqual(AutoNumber.third.value, 3) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1407 | self.assertIs(AutoNumber(1), AutoNumber.first) |
| 1408 | |
| 1409 | def test_inherited_new_from_enhanced_enum(self): |
| 1410 | class AutoNumber(Enum): |
| 1411 | def __new__(cls): |
| 1412 | value = len(cls.__members__) + 1 |
| 1413 | obj = object.__new__(cls) |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1414 | obj._value_ = value |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1415 | return obj |
| 1416 | def __int__(self): |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1417 | return int(self._value_) |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1418 | class Color(AutoNumber): |
| 1419 | red = () |
| 1420 | green = () |
| 1421 | blue = () |
| 1422 | self.assertEqual(list(Color), [Color.red, Color.green, Color.blue]) |
| 1423 | self.assertEqual(list(map(int, Color)), [1, 2, 3]) |
| 1424 | |
| 1425 | def test_inherited_new_from_mixed_enum(self): |
| 1426 | class AutoNumber(IntEnum): |
| 1427 | def __new__(cls): |
| 1428 | value = len(cls.__members__) + 1 |
| 1429 | obj = int.__new__(cls, value) |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1430 | obj._value_ = value |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1431 | return obj |
| 1432 | class Color(AutoNumber): |
| 1433 | red = () |
| 1434 | green = () |
| 1435 | blue = () |
| 1436 | self.assertEqual(list(Color), [Color.red, Color.green, Color.blue]) |
| 1437 | self.assertEqual(list(map(int, Color)), [1, 2, 3]) |
| 1438 | |
Ethan Furman | be3c2fe | 2013-11-13 14:25:45 -0800 | [diff] [blame] | 1439 | def test_equality(self): |
| 1440 | class AlwaysEqual: |
| 1441 | def __eq__(self, other): |
| 1442 | return True |
| 1443 | class OrdinaryEnum(Enum): |
| 1444 | a = 1 |
| 1445 | self.assertEqual(AlwaysEqual(), OrdinaryEnum.a) |
| 1446 | self.assertEqual(OrdinaryEnum.a, AlwaysEqual()) |
| 1447 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1448 | def test_ordered_mixin(self): |
| 1449 | class OrderedEnum(Enum): |
| 1450 | def __ge__(self, other): |
| 1451 | if self.__class__ is other.__class__: |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1452 | return self._value_ >= other._value_ |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1453 | return NotImplemented |
| 1454 | def __gt__(self, other): |
| 1455 | if self.__class__ is other.__class__: |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1456 | return self._value_ > other._value_ |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1457 | return NotImplemented |
| 1458 | def __le__(self, other): |
| 1459 | if self.__class__ is other.__class__: |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1460 | return self._value_ <= other._value_ |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1461 | return NotImplemented |
| 1462 | def __lt__(self, other): |
| 1463 | if self.__class__ is other.__class__: |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1464 | return self._value_ < other._value_ |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1465 | return NotImplemented |
| 1466 | class Grade(OrderedEnum): |
| 1467 | A = 5 |
| 1468 | B = 4 |
| 1469 | C = 3 |
| 1470 | D = 2 |
| 1471 | F = 1 |
| 1472 | self.assertGreater(Grade.A, Grade.B) |
| 1473 | self.assertLessEqual(Grade.F, Grade.C) |
| 1474 | self.assertLess(Grade.D, Grade.A) |
| 1475 | self.assertGreaterEqual(Grade.B, Grade.B) |
Ethan Furman | be3c2fe | 2013-11-13 14:25:45 -0800 | [diff] [blame] | 1476 | self.assertEqual(Grade.B, Grade.B) |
| 1477 | self.assertNotEqual(Grade.C, Grade.D) |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1478 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1479 | def test_extending2(self): |
| 1480 | class Shade(Enum): |
| 1481 | def shade(self): |
| 1482 | print(self.name) |
| 1483 | class Color(Shade): |
| 1484 | red = 1 |
| 1485 | green = 2 |
| 1486 | blue = 3 |
| 1487 | with self.assertRaises(TypeError): |
| 1488 | class MoreColor(Color): |
| 1489 | cyan = 4 |
| 1490 | magenta = 5 |
| 1491 | yellow = 6 |
| 1492 | |
| 1493 | def test_extending3(self): |
| 1494 | class Shade(Enum): |
| 1495 | def shade(self): |
| 1496 | return self.name |
| 1497 | class Color(Shade): |
| 1498 | def hex(self): |
| 1499 | return '%s hexlified!' % self.value |
| 1500 | class MoreColor(Color): |
| 1501 | cyan = 4 |
| 1502 | magenta = 5 |
| 1503 | yellow = 6 |
| 1504 | self.assertEqual(MoreColor.magenta.hex(), '5 hexlified!') |
| 1505 | |
| 1506 | |
| 1507 | def test_no_duplicates(self): |
| 1508 | class UniqueEnum(Enum): |
| 1509 | def __init__(self, *args): |
| 1510 | cls = self.__class__ |
| 1511 | if any(self.value == e.value for e in cls): |
| 1512 | a = self.name |
| 1513 | e = cls(self.value).name |
| 1514 | raise ValueError( |
| 1515 | "aliases not allowed in UniqueEnum: %r --> %r" |
| 1516 | % (a, e) |
| 1517 | ) |
| 1518 | class Color(UniqueEnum): |
| 1519 | red = 1 |
| 1520 | green = 2 |
| 1521 | blue = 3 |
| 1522 | with self.assertRaises(ValueError): |
| 1523 | class Color(UniqueEnum): |
| 1524 | red = 1 |
| 1525 | green = 2 |
| 1526 | blue = 3 |
| 1527 | grene = 2 |
| 1528 | |
| 1529 | def test_init(self): |
| 1530 | class Planet(Enum): |
| 1531 | MERCURY = (3.303e+23, 2.4397e6) |
| 1532 | VENUS = (4.869e+24, 6.0518e6) |
| 1533 | EARTH = (5.976e+24, 6.37814e6) |
| 1534 | MARS = (6.421e+23, 3.3972e6) |
| 1535 | JUPITER = (1.9e+27, 7.1492e7) |
| 1536 | SATURN = (5.688e+26, 6.0268e7) |
| 1537 | URANUS = (8.686e+25, 2.5559e7) |
| 1538 | NEPTUNE = (1.024e+26, 2.4746e7) |
| 1539 | def __init__(self, mass, radius): |
| 1540 | self.mass = mass # in kilograms |
| 1541 | self.radius = radius # in meters |
| 1542 | @property |
| 1543 | def surface_gravity(self): |
| 1544 | # universal gravitational constant (m3 kg-1 s-2) |
| 1545 | G = 6.67300E-11 |
| 1546 | return G * self.mass / (self.radius * self.radius) |
| 1547 | self.assertEqual(round(Planet.EARTH.surface_gravity, 2), 9.80) |
| 1548 | self.assertEqual(Planet.EARTH.value, (5.976e+24, 6.37814e6)) |
| 1549 | |
Ethan Furman | 2aa2732 | 2013-07-19 19:35:56 -0700 | [diff] [blame] | 1550 | def test_nonhash_value(self): |
| 1551 | class AutoNumberInAList(Enum): |
| 1552 | def __new__(cls): |
| 1553 | value = [len(cls.__members__) + 1] |
| 1554 | obj = object.__new__(cls) |
Ethan Furman | 520ad57 | 2013-07-19 19:47:21 -0700 | [diff] [blame] | 1555 | obj._value_ = value |
Ethan Furman | 2aa2732 | 2013-07-19 19:35:56 -0700 | [diff] [blame] | 1556 | return obj |
| 1557 | class ColorInAList(AutoNumberInAList): |
| 1558 | red = () |
| 1559 | green = () |
| 1560 | blue = () |
| 1561 | self.assertEqual(list(ColorInAList), [ColorInAList.red, ColorInAList.green, ColorInAList.blue]) |
Ethan Furman | 1a16288 | 2013-10-16 19:09:31 -0700 | [diff] [blame] | 1562 | for enum, value in zip(ColorInAList, range(3)): |
| 1563 | value += 1 |
| 1564 | self.assertEqual(enum.value, [value]) |
| 1565 | self.assertIs(ColorInAList([value]), enum) |
Ethan Furman | 2aa2732 | 2013-07-19 19:35:56 -0700 | [diff] [blame] | 1566 | |
Ethan Furman | b41803e | 2013-07-25 13:50:45 -0700 | [diff] [blame] | 1567 | def test_conflicting_types_resolved_in_new(self): |
| 1568 | class LabelledIntEnum(int, Enum): |
| 1569 | def __new__(cls, *args): |
| 1570 | value, label = args |
| 1571 | obj = int.__new__(cls, value) |
| 1572 | obj.label = label |
| 1573 | obj._value_ = value |
| 1574 | return obj |
| 1575 | |
| 1576 | class LabelledList(LabelledIntEnum): |
| 1577 | unprocessed = (1, "Unprocessed") |
| 1578 | payment_complete = (2, "Payment Complete") |
| 1579 | |
| 1580 | self.assertEqual(list(LabelledList), [LabelledList.unprocessed, LabelledList.payment_complete]) |
| 1581 | self.assertEqual(LabelledList.unprocessed, 1) |
| 1582 | self.assertEqual(LabelledList(1), LabelledList.unprocessed) |
Ethan Furman | 2aa2732 | 2013-07-19 19:35:56 -0700 | [diff] [blame] | 1583 | |
Ethan Furman | c16595e | 2016-09-10 23:36:59 -0700 | [diff] [blame] | 1584 | def test_auto_number(self): |
| 1585 | class Color(Enum): |
| 1586 | red = auto() |
| 1587 | blue = auto() |
| 1588 | green = auto() |
| 1589 | |
| 1590 | self.assertEqual(list(Color), [Color.red, Color.blue, Color.green]) |
| 1591 | self.assertEqual(Color.red.value, 1) |
| 1592 | self.assertEqual(Color.blue.value, 2) |
| 1593 | self.assertEqual(Color.green.value, 3) |
| 1594 | |
| 1595 | def test_auto_name(self): |
| 1596 | class Color(Enum): |
| 1597 | def _generate_next_value_(name, start, count, last): |
| 1598 | return name |
| 1599 | red = auto() |
| 1600 | blue = auto() |
| 1601 | green = auto() |
| 1602 | |
| 1603 | self.assertEqual(list(Color), [Color.red, Color.blue, Color.green]) |
| 1604 | self.assertEqual(Color.red.value, 'red') |
| 1605 | self.assertEqual(Color.blue.value, 'blue') |
| 1606 | self.assertEqual(Color.green.value, 'green') |
| 1607 | |
| 1608 | def test_auto_name_inherit(self): |
| 1609 | class AutoNameEnum(Enum): |
| 1610 | def _generate_next_value_(name, start, count, last): |
| 1611 | return name |
| 1612 | class Color(AutoNameEnum): |
| 1613 | red = auto() |
| 1614 | blue = auto() |
| 1615 | green = auto() |
| 1616 | |
| 1617 | self.assertEqual(list(Color), [Color.red, Color.blue, Color.green]) |
| 1618 | self.assertEqual(Color.red.value, 'red') |
| 1619 | self.assertEqual(Color.blue.value, 'blue') |
| 1620 | self.assertEqual(Color.green.value, 'green') |
| 1621 | |
| 1622 | def test_auto_garbage(self): |
| 1623 | class Color(Enum): |
| 1624 | red = 'red' |
| 1625 | blue = auto() |
| 1626 | self.assertEqual(Color.blue.value, 1) |
| 1627 | |
| 1628 | def test_auto_garbage_corrected(self): |
| 1629 | class Color(Enum): |
| 1630 | red = 'red' |
| 1631 | blue = 2 |
| 1632 | green = auto() |
| 1633 | |
| 1634 | self.assertEqual(list(Color), [Color.red, Color.blue, Color.green]) |
| 1635 | self.assertEqual(Color.red.value, 'red') |
| 1636 | self.assertEqual(Color.blue.value, 2) |
| 1637 | self.assertEqual(Color.green.value, 3) |
| 1638 | |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 1639 | def test_duplicate_auto(self): |
| 1640 | class Dupes(Enum): |
| 1641 | first = primero = auto() |
| 1642 | second = auto() |
| 1643 | third = auto() |
| 1644 | self.assertEqual([Dupes.first, Dupes.second, Dupes.third], list(Dupes)) |
| 1645 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 1646 | |
Ethan Furman | e8e6127 | 2016-08-20 07:19:31 -0700 | [diff] [blame] | 1647 | class TestOrder(unittest.TestCase): |
| 1648 | |
| 1649 | def test_same_members(self): |
| 1650 | class Color(Enum): |
| 1651 | _order_ = 'red green blue' |
| 1652 | red = 1 |
| 1653 | green = 2 |
| 1654 | blue = 3 |
| 1655 | |
| 1656 | def test_same_members_with_aliases(self): |
| 1657 | class Color(Enum): |
| 1658 | _order_ = 'red green blue' |
| 1659 | red = 1 |
| 1660 | green = 2 |
| 1661 | blue = 3 |
| 1662 | verde = green |
| 1663 | |
| 1664 | def test_same_members_wrong_order(self): |
| 1665 | with self.assertRaisesRegex(TypeError, 'member order does not match _order_'): |
| 1666 | class Color(Enum): |
| 1667 | _order_ = 'red green blue' |
| 1668 | red = 1 |
| 1669 | blue = 3 |
| 1670 | green = 2 |
| 1671 | |
| 1672 | def test_order_has_extra_members(self): |
| 1673 | with self.assertRaisesRegex(TypeError, 'member order does not match _order_'): |
| 1674 | class Color(Enum): |
| 1675 | _order_ = 'red green blue purple' |
| 1676 | red = 1 |
| 1677 | green = 2 |
| 1678 | blue = 3 |
| 1679 | |
| 1680 | def test_order_has_extra_members_with_aliases(self): |
| 1681 | with self.assertRaisesRegex(TypeError, 'member order does not match _order_'): |
| 1682 | class Color(Enum): |
| 1683 | _order_ = 'red green blue purple' |
| 1684 | red = 1 |
| 1685 | green = 2 |
| 1686 | blue = 3 |
| 1687 | verde = green |
| 1688 | |
| 1689 | def test_enum_has_extra_members(self): |
| 1690 | with self.assertRaisesRegex(TypeError, 'member order does not match _order_'): |
| 1691 | class Color(Enum): |
| 1692 | _order_ = 'red green blue' |
| 1693 | red = 1 |
| 1694 | green = 2 |
| 1695 | blue = 3 |
| 1696 | purple = 4 |
| 1697 | |
| 1698 | def test_enum_has_extra_members_with_aliases(self): |
| 1699 | with self.assertRaisesRegex(TypeError, 'member order does not match _order_'): |
| 1700 | class Color(Enum): |
| 1701 | _order_ = 'red green blue' |
| 1702 | red = 1 |
| 1703 | green = 2 |
| 1704 | blue = 3 |
| 1705 | purple = 4 |
| 1706 | verde = green |
| 1707 | |
| 1708 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1709 | class TestFlag(unittest.TestCase): |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1710 | """Tests of the Flags.""" |
| 1711 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1712 | class Perm(Flag): |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1713 | R, W, X = 4, 2, 1 |
| 1714 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1715 | class Open(Flag): |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1716 | RO = 0 |
| 1717 | WO = 1 |
| 1718 | RW = 2 |
| 1719 | AC = 3 |
| 1720 | CE = 1<<19 |
| 1721 | |
| 1722 | def test_str(self): |
| 1723 | Perm = self.Perm |
| 1724 | self.assertEqual(str(Perm.R), 'Perm.R') |
| 1725 | self.assertEqual(str(Perm.W), 'Perm.W') |
| 1726 | self.assertEqual(str(Perm.X), 'Perm.X') |
| 1727 | self.assertEqual(str(Perm.R | Perm.W), 'Perm.R|W') |
| 1728 | self.assertEqual(str(Perm.R | Perm.W | Perm.X), 'Perm.R|W|X') |
| 1729 | self.assertEqual(str(Perm(0)), 'Perm.0') |
| 1730 | self.assertEqual(str(~Perm.R), 'Perm.W|X') |
| 1731 | self.assertEqual(str(~Perm.W), 'Perm.R|X') |
| 1732 | self.assertEqual(str(~Perm.X), 'Perm.R|W') |
| 1733 | self.assertEqual(str(~(Perm.R | Perm.W)), 'Perm.X') |
| 1734 | self.assertEqual(str(~(Perm.R | Perm.W | Perm.X)), 'Perm.0') |
| 1735 | self.assertEqual(str(Perm(~0)), 'Perm.R|W|X') |
| 1736 | |
| 1737 | Open = self.Open |
| 1738 | self.assertEqual(str(Open.RO), 'Open.RO') |
| 1739 | self.assertEqual(str(Open.WO), 'Open.WO') |
| 1740 | self.assertEqual(str(Open.AC), 'Open.AC') |
| 1741 | self.assertEqual(str(Open.RO | Open.CE), 'Open.CE') |
| 1742 | self.assertEqual(str(Open.WO | Open.CE), 'Open.CE|WO') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 1743 | self.assertEqual(str(~Open.RO), 'Open.CE|AC|RW|WO') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1744 | self.assertEqual(str(~Open.WO), 'Open.CE|RW') |
| 1745 | self.assertEqual(str(~Open.AC), 'Open.CE') |
| 1746 | self.assertEqual(str(~(Open.RO | Open.CE)), 'Open.AC') |
| 1747 | self.assertEqual(str(~(Open.WO | Open.CE)), 'Open.RW') |
| 1748 | |
| 1749 | def test_repr(self): |
| 1750 | Perm = self.Perm |
| 1751 | self.assertEqual(repr(Perm.R), '<Perm.R: 4>') |
| 1752 | self.assertEqual(repr(Perm.W), '<Perm.W: 2>') |
| 1753 | self.assertEqual(repr(Perm.X), '<Perm.X: 1>') |
| 1754 | self.assertEqual(repr(Perm.R | Perm.W), '<Perm.R|W: 6>') |
| 1755 | self.assertEqual(repr(Perm.R | Perm.W | Perm.X), '<Perm.R|W|X: 7>') |
Ethan Furman | 27682d2 | 2016-09-04 11:39:01 -0700 | [diff] [blame] | 1756 | self.assertEqual(repr(Perm(0)), '<Perm.0: 0>') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1757 | self.assertEqual(repr(~Perm.R), '<Perm.W|X: 3>') |
| 1758 | self.assertEqual(repr(~Perm.W), '<Perm.R|X: 5>') |
| 1759 | self.assertEqual(repr(~Perm.X), '<Perm.R|W: 6>') |
| 1760 | self.assertEqual(repr(~(Perm.R | Perm.W)), '<Perm.X: 1>') |
Ethan Furman | 27682d2 | 2016-09-04 11:39:01 -0700 | [diff] [blame] | 1761 | self.assertEqual(repr(~(Perm.R | Perm.W | Perm.X)), '<Perm.0: 0>') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1762 | self.assertEqual(repr(Perm(~0)), '<Perm.R|W|X: 7>') |
| 1763 | |
| 1764 | Open = self.Open |
| 1765 | self.assertEqual(repr(Open.RO), '<Open.RO: 0>') |
| 1766 | self.assertEqual(repr(Open.WO), '<Open.WO: 1>') |
| 1767 | self.assertEqual(repr(Open.AC), '<Open.AC: 3>') |
| 1768 | self.assertEqual(repr(Open.RO | Open.CE), '<Open.CE: 524288>') |
| 1769 | self.assertEqual(repr(Open.WO | Open.CE), '<Open.CE|WO: 524289>') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 1770 | self.assertEqual(repr(~Open.RO), '<Open.CE|AC|RW|WO: 524291>') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1771 | self.assertEqual(repr(~Open.WO), '<Open.CE|RW: 524290>') |
| 1772 | self.assertEqual(repr(~Open.AC), '<Open.CE: 524288>') |
| 1773 | self.assertEqual(repr(~(Open.RO | Open.CE)), '<Open.AC: 3>') |
| 1774 | self.assertEqual(repr(~(Open.WO | Open.CE)), '<Open.RW: 2>') |
| 1775 | |
| 1776 | def test_or(self): |
| 1777 | Perm = self.Perm |
| 1778 | for i in Perm: |
| 1779 | for j in Perm: |
| 1780 | self.assertEqual((i | j), Perm(i.value | j.value)) |
| 1781 | self.assertEqual((i | j).value, i.value | j.value) |
| 1782 | self.assertIs(type(i | j), Perm) |
| 1783 | for i in Perm: |
| 1784 | self.assertIs(i | i, i) |
| 1785 | Open = self.Open |
| 1786 | self.assertIs(Open.RO | Open.CE, Open.CE) |
| 1787 | |
| 1788 | def test_and(self): |
| 1789 | Perm = self.Perm |
| 1790 | RW = Perm.R | Perm.W |
| 1791 | RX = Perm.R | Perm.X |
| 1792 | WX = Perm.W | Perm.X |
| 1793 | RWX = Perm.R | Perm.W | Perm.X |
| 1794 | values = list(Perm) + [RW, RX, WX, RWX, Perm(0)] |
| 1795 | for i in values: |
| 1796 | for j in values: |
| 1797 | self.assertEqual((i & j).value, i.value & j.value) |
| 1798 | self.assertIs(type(i & j), Perm) |
| 1799 | for i in Perm: |
| 1800 | self.assertIs(i & i, i) |
| 1801 | self.assertIs(i & RWX, i) |
| 1802 | self.assertIs(RWX & i, i) |
| 1803 | Open = self.Open |
| 1804 | self.assertIs(Open.RO & Open.CE, Open.RO) |
| 1805 | |
| 1806 | def test_xor(self): |
| 1807 | Perm = self.Perm |
| 1808 | for i in Perm: |
| 1809 | for j in Perm: |
| 1810 | self.assertEqual((i ^ j).value, i.value ^ j.value) |
| 1811 | self.assertIs(type(i ^ j), Perm) |
| 1812 | for i in Perm: |
| 1813 | self.assertIs(i ^ Perm(0), i) |
| 1814 | self.assertIs(Perm(0) ^ i, i) |
| 1815 | Open = self.Open |
| 1816 | self.assertIs(Open.RO ^ Open.CE, Open.CE) |
| 1817 | self.assertIs(Open.CE ^ Open.CE, Open.RO) |
| 1818 | |
| 1819 | def test_invert(self): |
| 1820 | Perm = self.Perm |
| 1821 | RW = Perm.R | Perm.W |
| 1822 | RX = Perm.R | Perm.X |
| 1823 | WX = Perm.W | Perm.X |
| 1824 | RWX = Perm.R | Perm.W | Perm.X |
| 1825 | values = list(Perm) + [RW, RX, WX, RWX, Perm(0)] |
| 1826 | for i in values: |
| 1827 | self.assertIs(type(~i), Perm) |
| 1828 | self.assertEqual(~~i, i) |
| 1829 | for i in Perm: |
| 1830 | self.assertIs(~~i, i) |
| 1831 | Open = self.Open |
| 1832 | self.assertIs(Open.WO & ~Open.WO, Open.RO) |
| 1833 | self.assertIs((Open.WO|Open.CE) & ~Open.WO, Open.CE) |
| 1834 | |
Ethan Furman | 25d94bb | 2016-09-02 16:32:32 -0700 | [diff] [blame] | 1835 | def test_bool(self): |
| 1836 | Perm = self.Perm |
| 1837 | for f in Perm: |
| 1838 | self.assertTrue(f) |
| 1839 | Open = self.Open |
| 1840 | for f in Open: |
| 1841 | self.assertEqual(bool(f.value), bool(f)) |
| 1842 | |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1843 | def test_programatic_function_string(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1844 | Perm = Flag('Perm', 'R W X') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1845 | lst = list(Perm) |
| 1846 | self.assertEqual(len(lst), len(Perm)) |
| 1847 | self.assertEqual(len(Perm), 3, Perm) |
| 1848 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 1849 | for i, n in enumerate('R W X'.split()): |
| 1850 | v = 1<<i |
| 1851 | e = Perm(v) |
| 1852 | self.assertEqual(e.value, v) |
| 1853 | self.assertEqual(type(e.value), int) |
| 1854 | self.assertEqual(e.name, n) |
| 1855 | self.assertIn(e, Perm) |
| 1856 | self.assertIs(type(e), Perm) |
| 1857 | |
| 1858 | def test_programatic_function_string_with_start(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1859 | Perm = Flag('Perm', 'R W X', start=8) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1860 | lst = list(Perm) |
| 1861 | self.assertEqual(len(lst), len(Perm)) |
| 1862 | self.assertEqual(len(Perm), 3, Perm) |
| 1863 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 1864 | for i, n in enumerate('R W X'.split()): |
| 1865 | v = 8<<i |
| 1866 | e = Perm(v) |
| 1867 | self.assertEqual(e.value, v) |
| 1868 | self.assertEqual(type(e.value), int) |
| 1869 | self.assertEqual(e.name, n) |
| 1870 | self.assertIn(e, Perm) |
| 1871 | self.assertIs(type(e), Perm) |
| 1872 | |
| 1873 | def test_programatic_function_string_list(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1874 | Perm = Flag('Perm', ['R', 'W', 'X']) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1875 | lst = list(Perm) |
| 1876 | self.assertEqual(len(lst), len(Perm)) |
| 1877 | self.assertEqual(len(Perm), 3, Perm) |
| 1878 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 1879 | for i, n in enumerate('R W X'.split()): |
| 1880 | v = 1<<i |
| 1881 | e = Perm(v) |
| 1882 | self.assertEqual(e.value, v) |
| 1883 | self.assertEqual(type(e.value), int) |
| 1884 | self.assertEqual(e.name, n) |
| 1885 | self.assertIn(e, Perm) |
| 1886 | self.assertIs(type(e), Perm) |
| 1887 | |
| 1888 | def test_programatic_function_iterable(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1889 | Perm = Flag('Perm', (('R', 2), ('W', 8), ('X', 32))) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1890 | lst = list(Perm) |
| 1891 | self.assertEqual(len(lst), len(Perm)) |
| 1892 | self.assertEqual(len(Perm), 3, Perm) |
| 1893 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 1894 | for i, n in enumerate('R W X'.split()): |
| 1895 | v = 1<<(2*i+1) |
| 1896 | e = Perm(v) |
| 1897 | self.assertEqual(e.value, v) |
| 1898 | self.assertEqual(type(e.value), int) |
| 1899 | self.assertEqual(e.name, n) |
| 1900 | self.assertIn(e, Perm) |
| 1901 | self.assertIs(type(e), Perm) |
| 1902 | |
| 1903 | def test_programatic_function_from_dict(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1904 | Perm = Flag('Perm', OrderedDict((('R', 2), ('W', 8), ('X', 32)))) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1905 | lst = list(Perm) |
| 1906 | self.assertEqual(len(lst), len(Perm)) |
| 1907 | self.assertEqual(len(Perm), 3, Perm) |
| 1908 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 1909 | for i, n in enumerate('R W X'.split()): |
| 1910 | v = 1<<(2*i+1) |
| 1911 | e = Perm(v) |
| 1912 | self.assertEqual(e.value, v) |
| 1913 | self.assertEqual(type(e.value), int) |
| 1914 | self.assertEqual(e.name, n) |
| 1915 | self.assertIn(e, Perm) |
| 1916 | self.assertIs(type(e), Perm) |
| 1917 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1918 | def test_pickle(self): |
| 1919 | if isinstance(FlagStooges, Exception): |
| 1920 | raise FlagStooges |
| 1921 | test_pickle_dump_load(self.assertIs, FlagStooges.CURLY|FlagStooges.MOE) |
| 1922 | test_pickle_dump_load(self.assertIs, FlagStooges) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 1923 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 1924 | def test_containment(self): |
| 1925 | Perm = self.Perm |
| 1926 | R, W, X = Perm |
| 1927 | RW = R | W |
| 1928 | RX = R | X |
| 1929 | WX = W | X |
| 1930 | RWX = R | W | X |
| 1931 | self.assertTrue(R in RW) |
| 1932 | self.assertTrue(R in RX) |
| 1933 | self.assertTrue(R in RWX) |
| 1934 | self.assertTrue(W in RW) |
| 1935 | self.assertTrue(W in WX) |
| 1936 | self.assertTrue(W in RWX) |
| 1937 | self.assertTrue(X in RX) |
| 1938 | self.assertTrue(X in WX) |
| 1939 | self.assertTrue(X in RWX) |
| 1940 | self.assertFalse(R in WX) |
| 1941 | self.assertFalse(W in RX) |
| 1942 | self.assertFalse(X in RW) |
| 1943 | |
Ethan Furman | c16595e | 2016-09-10 23:36:59 -0700 | [diff] [blame] | 1944 | def test_auto_number(self): |
| 1945 | class Color(Flag): |
| 1946 | red = auto() |
| 1947 | blue = auto() |
| 1948 | green = auto() |
| 1949 | |
| 1950 | self.assertEqual(list(Color), [Color.red, Color.blue, Color.green]) |
| 1951 | self.assertEqual(Color.red.value, 1) |
| 1952 | self.assertEqual(Color.blue.value, 2) |
| 1953 | self.assertEqual(Color.green.value, 4) |
| 1954 | |
| 1955 | def test_auto_number_garbage(self): |
| 1956 | with self.assertRaisesRegex(TypeError, 'Invalid Flag value: .not an int.'): |
| 1957 | class Color(Flag): |
| 1958 | red = 'not an int' |
| 1959 | blue = auto() |
| 1960 | |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 1961 | def test_cascading_failure(self): |
| 1962 | class Bizarre(Flag): |
| 1963 | c = 3 |
| 1964 | d = 4 |
| 1965 | f = 6 |
| 1966 | # Bizarre.c | Bizarre.d |
| 1967 | self.assertRaisesRegex(ValueError, "5 is not a valid Bizarre", Bizarre, 5) |
| 1968 | self.assertRaisesRegex(ValueError, "5 is not a valid Bizarre", Bizarre, 5) |
| 1969 | self.assertRaisesRegex(ValueError, "2 is not a valid Bizarre", Bizarre, 2) |
| 1970 | self.assertRaisesRegex(ValueError, "2 is not a valid Bizarre", Bizarre, 2) |
| 1971 | self.assertRaisesRegex(ValueError, "1 is not a valid Bizarre", Bizarre, 1) |
| 1972 | self.assertRaisesRegex(ValueError, "1 is not a valid Bizarre", Bizarre, 1) |
| 1973 | |
| 1974 | def test_duplicate_auto(self): |
| 1975 | class Dupes(Enum): |
| 1976 | first = primero = auto() |
| 1977 | second = auto() |
| 1978 | third = auto() |
| 1979 | self.assertEqual([Dupes.first, Dupes.second, Dupes.third], list(Dupes)) |
| 1980 | |
| 1981 | def test_bizarre(self): |
| 1982 | class Bizarre(Flag): |
| 1983 | b = 3 |
| 1984 | c = 4 |
| 1985 | d = 6 |
| 1986 | self.assertEqual(repr(Bizarre(7)), '<Bizarre.d|c|b: 7>') |
| 1987 | |
Ethan Furman | 28cf663 | 2017-01-24 12:12:06 -0800 | [diff] [blame] | 1988 | @support.reap_threads |
| 1989 | def test_unique_composite(self): |
| 1990 | # override __eq__ to be identity only |
| 1991 | class TestFlag(Flag): |
| 1992 | one = auto() |
| 1993 | two = auto() |
| 1994 | three = auto() |
| 1995 | four = auto() |
| 1996 | five = auto() |
| 1997 | six = auto() |
| 1998 | seven = auto() |
| 1999 | eight = auto() |
| 2000 | def __eq__(self, other): |
| 2001 | return self is other |
| 2002 | def __hash__(self): |
| 2003 | return hash(self._value_) |
| 2004 | # have multiple threads competing to complete the composite members |
| 2005 | seen = set() |
| 2006 | failed = False |
| 2007 | def cycle_enum(): |
| 2008 | nonlocal failed |
| 2009 | try: |
| 2010 | for i in range(256): |
| 2011 | seen.add(TestFlag(i)) |
| 2012 | except Exception: |
| 2013 | failed = True |
| 2014 | threads = [ |
| 2015 | threading.Thread(target=cycle_enum) |
| 2016 | for _ in range(8) |
| 2017 | ] |
| 2018 | with support.start_threads(threads): |
| 2019 | pass |
| 2020 | # check that only 248 members were created |
| 2021 | self.assertFalse( |
| 2022 | failed, |
| 2023 | 'at least one thread failed while creating composite members') |
| 2024 | self.assertEqual(256, len(seen), 'too many composite members created') |
| 2025 | |
Ethan Furman | c16595e | 2016-09-10 23:36:59 -0700 | [diff] [blame] | 2026 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2027 | class TestIntFlag(unittest.TestCase): |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2028 | """Tests of the IntFlags.""" |
| 2029 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2030 | class Perm(IntFlag): |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2031 | X = 1 << 0 |
| 2032 | W = 1 << 1 |
| 2033 | R = 1 << 2 |
| 2034 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2035 | class Open(IntFlag): |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2036 | RO = 0 |
| 2037 | WO = 1 |
| 2038 | RW = 2 |
| 2039 | AC = 3 |
| 2040 | CE = 1<<19 |
| 2041 | |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2042 | def test_type(self): |
| 2043 | Perm = self.Perm |
| 2044 | Open = self.Open |
| 2045 | for f in Perm: |
| 2046 | self.assertTrue(isinstance(f, Perm)) |
| 2047 | self.assertEqual(f, f.value) |
| 2048 | self.assertTrue(isinstance(Perm.W | Perm.X, Perm)) |
| 2049 | self.assertEqual(Perm.W | Perm.X, 3) |
| 2050 | for f in Open: |
| 2051 | self.assertTrue(isinstance(f, Open)) |
| 2052 | self.assertEqual(f, f.value) |
| 2053 | self.assertTrue(isinstance(Open.WO | Open.RW, Open)) |
| 2054 | self.assertEqual(Open.WO | Open.RW, 3) |
| 2055 | |
| 2056 | |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2057 | def test_str(self): |
| 2058 | Perm = self.Perm |
| 2059 | self.assertEqual(str(Perm.R), 'Perm.R') |
| 2060 | self.assertEqual(str(Perm.W), 'Perm.W') |
| 2061 | self.assertEqual(str(Perm.X), 'Perm.X') |
| 2062 | self.assertEqual(str(Perm.R | Perm.W), 'Perm.R|W') |
| 2063 | self.assertEqual(str(Perm.R | Perm.W | Perm.X), 'Perm.R|W|X') |
| 2064 | self.assertEqual(str(Perm.R | 8), 'Perm.8|R') |
| 2065 | self.assertEqual(str(Perm(0)), 'Perm.0') |
| 2066 | self.assertEqual(str(Perm(8)), 'Perm.8') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2067 | self.assertEqual(str(~Perm.R), 'Perm.W|X') |
| 2068 | self.assertEqual(str(~Perm.W), 'Perm.R|X') |
| 2069 | self.assertEqual(str(~Perm.X), 'Perm.R|W') |
| 2070 | self.assertEqual(str(~(Perm.R | Perm.W)), 'Perm.X') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2071 | self.assertEqual(str(~(Perm.R | Perm.W | Perm.X)), 'Perm.-8') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2072 | self.assertEqual(str(~(Perm.R | 8)), 'Perm.W|X') |
| 2073 | self.assertEqual(str(Perm(~0)), 'Perm.R|W|X') |
| 2074 | self.assertEqual(str(Perm(~8)), 'Perm.R|W|X') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2075 | |
| 2076 | Open = self.Open |
| 2077 | self.assertEqual(str(Open.RO), 'Open.RO') |
| 2078 | self.assertEqual(str(Open.WO), 'Open.WO') |
| 2079 | self.assertEqual(str(Open.AC), 'Open.AC') |
| 2080 | self.assertEqual(str(Open.RO | Open.CE), 'Open.CE') |
| 2081 | self.assertEqual(str(Open.WO | Open.CE), 'Open.CE|WO') |
| 2082 | self.assertEqual(str(Open(4)), 'Open.4') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2083 | self.assertEqual(str(~Open.RO), 'Open.CE|AC|RW|WO') |
| 2084 | self.assertEqual(str(~Open.WO), 'Open.CE|RW') |
| 2085 | self.assertEqual(str(~Open.AC), 'Open.CE') |
| 2086 | self.assertEqual(str(~(Open.RO | Open.CE)), 'Open.AC|RW|WO') |
| 2087 | self.assertEqual(str(~(Open.WO | Open.CE)), 'Open.RW') |
| 2088 | self.assertEqual(str(Open(~4)), 'Open.CE|AC|RW|WO') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2089 | |
| 2090 | def test_repr(self): |
| 2091 | Perm = self.Perm |
| 2092 | self.assertEqual(repr(Perm.R), '<Perm.R: 4>') |
| 2093 | self.assertEqual(repr(Perm.W), '<Perm.W: 2>') |
| 2094 | self.assertEqual(repr(Perm.X), '<Perm.X: 1>') |
| 2095 | self.assertEqual(repr(Perm.R | Perm.W), '<Perm.R|W: 6>') |
| 2096 | self.assertEqual(repr(Perm.R | Perm.W | Perm.X), '<Perm.R|W|X: 7>') |
| 2097 | self.assertEqual(repr(Perm.R | 8), '<Perm.8|R: 12>') |
Ethan Furman | 27682d2 | 2016-09-04 11:39:01 -0700 | [diff] [blame] | 2098 | self.assertEqual(repr(Perm(0)), '<Perm.0: 0>') |
| 2099 | self.assertEqual(repr(Perm(8)), '<Perm.8: 8>') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2100 | self.assertEqual(repr(~Perm.R), '<Perm.W|X: -5>') |
| 2101 | self.assertEqual(repr(~Perm.W), '<Perm.R|X: -3>') |
| 2102 | self.assertEqual(repr(~Perm.X), '<Perm.R|W: -2>') |
| 2103 | self.assertEqual(repr(~(Perm.R | Perm.W)), '<Perm.X: -7>') |
Ethan Furman | 27682d2 | 2016-09-04 11:39:01 -0700 | [diff] [blame] | 2104 | self.assertEqual(repr(~(Perm.R | Perm.W | Perm.X)), '<Perm.-8: -8>') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2105 | self.assertEqual(repr(~(Perm.R | 8)), '<Perm.W|X: -13>') |
| 2106 | self.assertEqual(repr(Perm(~0)), '<Perm.R|W|X: -1>') |
| 2107 | self.assertEqual(repr(Perm(~8)), '<Perm.R|W|X: -9>') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2108 | |
| 2109 | Open = self.Open |
| 2110 | self.assertEqual(repr(Open.RO), '<Open.RO: 0>') |
| 2111 | self.assertEqual(repr(Open.WO), '<Open.WO: 1>') |
| 2112 | self.assertEqual(repr(Open.AC), '<Open.AC: 3>') |
| 2113 | self.assertEqual(repr(Open.RO | Open.CE), '<Open.CE: 524288>') |
| 2114 | self.assertEqual(repr(Open.WO | Open.CE), '<Open.CE|WO: 524289>') |
Ethan Furman | 27682d2 | 2016-09-04 11:39:01 -0700 | [diff] [blame] | 2115 | self.assertEqual(repr(Open(4)), '<Open.4: 4>') |
Ethan Furman | 3515dcc | 2016-09-18 13:15:41 -0700 | [diff] [blame] | 2116 | self.assertEqual(repr(~Open.RO), '<Open.CE|AC|RW|WO: -1>') |
| 2117 | self.assertEqual(repr(~Open.WO), '<Open.CE|RW: -2>') |
| 2118 | self.assertEqual(repr(~Open.AC), '<Open.CE: -4>') |
| 2119 | self.assertEqual(repr(~(Open.RO | Open.CE)), '<Open.AC|RW|WO: -524289>') |
| 2120 | self.assertEqual(repr(~(Open.WO | Open.CE)), '<Open.RW: -524290>') |
| 2121 | self.assertEqual(repr(Open(~4)), '<Open.CE|AC|RW|WO: -5>') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2122 | |
| 2123 | def test_or(self): |
| 2124 | Perm = self.Perm |
| 2125 | for i in Perm: |
| 2126 | for j in Perm: |
| 2127 | self.assertEqual(i | j, i.value | j.value) |
| 2128 | self.assertEqual((i | j).value, i.value | j.value) |
| 2129 | self.assertIs(type(i | j), Perm) |
| 2130 | for j in range(8): |
| 2131 | self.assertEqual(i | j, i.value | j) |
| 2132 | self.assertEqual((i | j).value, i.value | j) |
| 2133 | self.assertIs(type(i | j), Perm) |
| 2134 | self.assertEqual(j | i, j | i.value) |
| 2135 | self.assertEqual((j | i).value, j | i.value) |
| 2136 | self.assertIs(type(j | i), Perm) |
| 2137 | for i in Perm: |
| 2138 | self.assertIs(i | i, i) |
| 2139 | self.assertIs(i | 0, i) |
| 2140 | self.assertIs(0 | i, i) |
| 2141 | Open = self.Open |
| 2142 | self.assertIs(Open.RO | Open.CE, Open.CE) |
| 2143 | |
| 2144 | def test_and(self): |
| 2145 | Perm = self.Perm |
| 2146 | RW = Perm.R | Perm.W |
| 2147 | RX = Perm.R | Perm.X |
| 2148 | WX = Perm.W | Perm.X |
| 2149 | RWX = Perm.R | Perm.W | Perm.X |
| 2150 | values = list(Perm) + [RW, RX, WX, RWX, Perm(0)] |
| 2151 | for i in values: |
| 2152 | for j in values: |
| 2153 | self.assertEqual(i & j, i.value & j.value, 'i is %r, j is %r' % (i, j)) |
| 2154 | self.assertEqual((i & j).value, i.value & j.value, 'i is %r, j is %r' % (i, j)) |
| 2155 | self.assertIs(type(i & j), Perm, 'i is %r, j is %r' % (i, j)) |
| 2156 | for j in range(8): |
| 2157 | self.assertEqual(i & j, i.value & j) |
| 2158 | self.assertEqual((i & j).value, i.value & j) |
| 2159 | self.assertIs(type(i & j), Perm) |
| 2160 | self.assertEqual(j & i, j & i.value) |
| 2161 | self.assertEqual((j & i).value, j & i.value) |
| 2162 | self.assertIs(type(j & i), Perm) |
| 2163 | for i in Perm: |
| 2164 | self.assertIs(i & i, i) |
| 2165 | self.assertIs(i & 7, i) |
| 2166 | self.assertIs(7 & i, i) |
| 2167 | Open = self.Open |
| 2168 | self.assertIs(Open.RO & Open.CE, Open.RO) |
| 2169 | |
| 2170 | def test_xor(self): |
| 2171 | Perm = self.Perm |
| 2172 | for i in Perm: |
| 2173 | for j in Perm: |
| 2174 | self.assertEqual(i ^ j, i.value ^ j.value) |
| 2175 | self.assertEqual((i ^ j).value, i.value ^ j.value) |
| 2176 | self.assertIs(type(i ^ j), Perm) |
| 2177 | for j in range(8): |
| 2178 | self.assertEqual(i ^ j, i.value ^ j) |
| 2179 | self.assertEqual((i ^ j).value, i.value ^ j) |
| 2180 | self.assertIs(type(i ^ j), Perm) |
| 2181 | self.assertEqual(j ^ i, j ^ i.value) |
| 2182 | self.assertEqual((j ^ i).value, j ^ i.value) |
| 2183 | self.assertIs(type(j ^ i), Perm) |
| 2184 | for i in Perm: |
| 2185 | self.assertIs(i ^ 0, i) |
| 2186 | self.assertIs(0 ^ i, i) |
| 2187 | Open = self.Open |
| 2188 | self.assertIs(Open.RO ^ Open.CE, Open.CE) |
| 2189 | self.assertIs(Open.CE ^ Open.CE, Open.RO) |
| 2190 | |
| 2191 | def test_invert(self): |
| 2192 | Perm = self.Perm |
| 2193 | RW = Perm.R | Perm.W |
| 2194 | RX = Perm.R | Perm.X |
| 2195 | WX = Perm.W | Perm.X |
| 2196 | RWX = Perm.R | Perm.W | Perm.X |
| 2197 | values = list(Perm) + [RW, RX, WX, RWX, Perm(0)] |
| 2198 | for i in values: |
| 2199 | self.assertEqual(~i, ~i.value) |
| 2200 | self.assertEqual((~i).value, ~i.value) |
| 2201 | self.assertIs(type(~i), Perm) |
| 2202 | self.assertEqual(~~i, i) |
| 2203 | for i in Perm: |
| 2204 | self.assertIs(~~i, i) |
| 2205 | Open = self.Open |
| 2206 | self.assertIs(Open.WO & ~Open.WO, Open.RO) |
| 2207 | self.assertIs((Open.WO|Open.CE) & ~Open.WO, Open.CE) |
| 2208 | |
| 2209 | def test_programatic_function_string(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2210 | Perm = IntFlag('Perm', 'R W X') |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2211 | lst = list(Perm) |
| 2212 | self.assertEqual(len(lst), len(Perm)) |
| 2213 | self.assertEqual(len(Perm), 3, Perm) |
| 2214 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 2215 | for i, n in enumerate('R W X'.split()): |
| 2216 | v = 1<<i |
| 2217 | e = Perm(v) |
| 2218 | self.assertEqual(e.value, v) |
| 2219 | self.assertEqual(type(e.value), int) |
| 2220 | self.assertEqual(e, v) |
| 2221 | self.assertEqual(e.name, n) |
| 2222 | self.assertIn(e, Perm) |
| 2223 | self.assertIs(type(e), Perm) |
| 2224 | |
| 2225 | def test_programatic_function_string_with_start(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2226 | Perm = IntFlag('Perm', 'R W X', start=8) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2227 | lst = list(Perm) |
| 2228 | self.assertEqual(len(lst), len(Perm)) |
| 2229 | self.assertEqual(len(Perm), 3, Perm) |
| 2230 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 2231 | for i, n in enumerate('R W X'.split()): |
| 2232 | v = 8<<i |
| 2233 | e = Perm(v) |
| 2234 | self.assertEqual(e.value, v) |
| 2235 | self.assertEqual(type(e.value), int) |
| 2236 | self.assertEqual(e, v) |
| 2237 | self.assertEqual(e.name, n) |
| 2238 | self.assertIn(e, Perm) |
| 2239 | self.assertIs(type(e), Perm) |
| 2240 | |
| 2241 | def test_programatic_function_string_list(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2242 | Perm = IntFlag('Perm', ['R', 'W', 'X']) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2243 | lst = list(Perm) |
| 2244 | self.assertEqual(len(lst), len(Perm)) |
| 2245 | self.assertEqual(len(Perm), 3, Perm) |
| 2246 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 2247 | for i, n in enumerate('R W X'.split()): |
| 2248 | v = 1<<i |
| 2249 | e = Perm(v) |
| 2250 | self.assertEqual(e.value, v) |
| 2251 | self.assertEqual(type(e.value), int) |
| 2252 | self.assertEqual(e, v) |
| 2253 | self.assertEqual(e.name, n) |
| 2254 | self.assertIn(e, Perm) |
| 2255 | self.assertIs(type(e), Perm) |
| 2256 | |
| 2257 | def test_programatic_function_iterable(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2258 | Perm = IntFlag('Perm', (('R', 2), ('W', 8), ('X', 32))) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2259 | lst = list(Perm) |
| 2260 | self.assertEqual(len(lst), len(Perm)) |
| 2261 | self.assertEqual(len(Perm), 3, Perm) |
| 2262 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 2263 | for i, n in enumerate('R W X'.split()): |
| 2264 | v = 1<<(2*i+1) |
| 2265 | e = Perm(v) |
| 2266 | self.assertEqual(e.value, v) |
| 2267 | self.assertEqual(type(e.value), int) |
| 2268 | self.assertEqual(e, v) |
| 2269 | self.assertEqual(e.name, n) |
| 2270 | self.assertIn(e, Perm) |
| 2271 | self.assertIs(type(e), Perm) |
| 2272 | |
| 2273 | def test_programatic_function_from_dict(self): |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2274 | Perm = IntFlag('Perm', OrderedDict((('R', 2), ('W', 8), ('X', 32)))) |
Ethan Furman | ee47e5c | 2016-08-31 00:12:15 -0700 | [diff] [blame] | 2275 | lst = list(Perm) |
| 2276 | self.assertEqual(len(lst), len(Perm)) |
| 2277 | self.assertEqual(len(Perm), 3, Perm) |
| 2278 | self.assertEqual(lst, [Perm.R, Perm.W, Perm.X]) |
| 2279 | for i, n in enumerate('R W X'.split()): |
| 2280 | v = 1<<(2*i+1) |
| 2281 | e = Perm(v) |
| 2282 | self.assertEqual(e.value, v) |
| 2283 | self.assertEqual(type(e.value), int) |
| 2284 | self.assertEqual(e, v) |
| 2285 | self.assertEqual(e.name, n) |
| 2286 | self.assertIn(e, Perm) |
| 2287 | self.assertIs(type(e), Perm) |
| 2288 | |
| 2289 | |
Dong-hee Na | dcc8ce4 | 2017-06-22 01:52:32 +0900 | [diff] [blame] | 2290 | def test_programatic_function_from_empty_list(self): |
| 2291 | Perm = enum.IntFlag('Perm', []) |
| 2292 | lst = list(Perm) |
| 2293 | self.assertEqual(len(lst), len(Perm)) |
| 2294 | self.assertEqual(len(Perm), 0, Perm) |
| 2295 | Thing = enum.Enum('Thing', []) |
| 2296 | lst = list(Thing) |
| 2297 | self.assertEqual(len(lst), len(Thing)) |
| 2298 | self.assertEqual(len(Thing), 0, Thing) |
| 2299 | |
| 2300 | |
| 2301 | def test_programatic_function_from_empty_tuple(self): |
| 2302 | Perm = enum.IntFlag('Perm', ()) |
| 2303 | lst = list(Perm) |
| 2304 | self.assertEqual(len(lst), len(Perm)) |
| 2305 | self.assertEqual(len(Perm), 0, Perm) |
| 2306 | Thing = enum.Enum('Thing', ()) |
| 2307 | self.assertEqual(len(lst), len(Thing)) |
| 2308 | self.assertEqual(len(Thing), 0, Thing) |
| 2309 | |
Ethan Furman | 65a5a47 | 2016-09-01 23:55:19 -0700 | [diff] [blame] | 2310 | def test_containment(self): |
| 2311 | Perm = self.Perm |
| 2312 | R, W, X = Perm |
| 2313 | RW = R | W |
| 2314 | RX = R | X |
| 2315 | WX = W | X |
| 2316 | RWX = R | W | X |
| 2317 | self.assertTrue(R in RW) |
| 2318 | self.assertTrue(R in RX) |
| 2319 | self.assertTrue(R in RWX) |
| 2320 | self.assertTrue(W in RW) |
| 2321 | self.assertTrue(W in WX) |
| 2322 | self.assertTrue(W in RWX) |
| 2323 | self.assertTrue(X in RX) |
| 2324 | self.assertTrue(X in WX) |
| 2325 | self.assertTrue(X in RWX) |
| 2326 | self.assertFalse(R in WX) |
| 2327 | self.assertFalse(W in RX) |
| 2328 | self.assertFalse(X in RW) |
| 2329 | |
Ethan Furman | 25d94bb | 2016-09-02 16:32:32 -0700 | [diff] [blame] | 2330 | def test_bool(self): |
| 2331 | Perm = self.Perm |
| 2332 | for f in Perm: |
| 2333 | self.assertTrue(f) |
| 2334 | Open = self.Open |
| 2335 | for f in Open: |
| 2336 | self.assertEqual(bool(f.value), bool(f)) |
| 2337 | |
Ethan Furman | 28cf663 | 2017-01-24 12:12:06 -0800 | [diff] [blame] | 2338 | @support.reap_threads |
| 2339 | def test_unique_composite(self): |
| 2340 | # override __eq__ to be identity only |
| 2341 | class TestFlag(IntFlag): |
| 2342 | one = auto() |
| 2343 | two = auto() |
| 2344 | three = auto() |
| 2345 | four = auto() |
| 2346 | five = auto() |
| 2347 | six = auto() |
| 2348 | seven = auto() |
| 2349 | eight = auto() |
| 2350 | def __eq__(self, other): |
| 2351 | return self is other |
| 2352 | def __hash__(self): |
| 2353 | return hash(self._value_) |
| 2354 | # have multiple threads competing to complete the composite members |
| 2355 | seen = set() |
| 2356 | failed = False |
| 2357 | def cycle_enum(): |
| 2358 | nonlocal failed |
| 2359 | try: |
| 2360 | for i in range(256): |
| 2361 | seen.add(TestFlag(i)) |
| 2362 | except Exception: |
| 2363 | failed = True |
| 2364 | threads = [ |
| 2365 | threading.Thread(target=cycle_enum) |
| 2366 | for _ in range(8) |
| 2367 | ] |
| 2368 | with support.start_threads(threads): |
| 2369 | pass |
| 2370 | # check that only 248 members were created |
| 2371 | self.assertFalse( |
| 2372 | failed, |
| 2373 | 'at least one thread failed while creating composite members') |
| 2374 | self.assertEqual(256, len(seen), 'too many composite members created') |
| 2375 | |
| 2376 | |
Ethan Furman | f24bb35 | 2013-07-18 17:05:39 -0700 | [diff] [blame] | 2377 | class TestUnique(unittest.TestCase): |
| 2378 | |
| 2379 | def test_unique_clean(self): |
| 2380 | @unique |
| 2381 | class Clean(Enum): |
| 2382 | one = 1 |
| 2383 | two = 'dos' |
| 2384 | tres = 4.0 |
| 2385 | @unique |
| 2386 | class Cleaner(IntEnum): |
| 2387 | single = 1 |
| 2388 | double = 2 |
| 2389 | triple = 3 |
| 2390 | |
| 2391 | def test_unique_dirty(self): |
| 2392 | with self.assertRaisesRegex(ValueError, 'tres.*one'): |
| 2393 | @unique |
| 2394 | class Dirty(Enum): |
| 2395 | one = 1 |
| 2396 | two = 'dos' |
| 2397 | tres = 1 |
| 2398 | with self.assertRaisesRegex( |
| 2399 | ValueError, |
| 2400 | 'double.*single.*turkey.*triple', |
| 2401 | ): |
| 2402 | @unique |
| 2403 | class Dirtier(IntEnum): |
| 2404 | single = 1 |
| 2405 | double = 1 |
| 2406 | triple = 3 |
| 2407 | turkey = 3 |
| 2408 | |
Ethan Furman | 3803ad4 | 2016-05-01 10:03:53 -0700 | [diff] [blame] | 2409 | def test_unique_with_name(self): |
| 2410 | @unique |
| 2411 | class Silly(Enum): |
| 2412 | one = 1 |
| 2413 | two = 'dos' |
| 2414 | name = 3 |
| 2415 | @unique |
| 2416 | class Sillier(IntEnum): |
| 2417 | single = 1 |
| 2418 | name = 2 |
| 2419 | triple = 3 |
| 2420 | value = 4 |
| 2421 | |
Ethan Furman | f24bb35 | 2013-07-18 17:05:39 -0700 | [diff] [blame] | 2422 | |
Ethan Furman | 3323da9 | 2015-04-11 09:39:59 -0700 | [diff] [blame] | 2423 | expected_help_output_with_docs = """\ |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2424 | Help on class Color in module %s: |
| 2425 | |
| 2426 | class Color(enum.Enum) |
Serhiy Storchaka | 90f6332 | 2017-01-24 09:06:22 +0200 | [diff] [blame] | 2427 | | Color(value, names=None, *, module=None, qualname=None, type=None, start=1) |
| 2428 | |\x20\x20 |
Ethan Furman | 48a724f | 2015-04-11 23:23:06 -0700 | [diff] [blame] | 2429 | | An enumeration. |
Serhiy Storchaka | b599ca8 | 2015-04-04 12:48:04 +0300 | [diff] [blame] | 2430 | |\x20\x20 |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2431 | | Method resolution order: |
| 2432 | | Color |
| 2433 | | enum.Enum |
| 2434 | | builtins.object |
| 2435 | |\x20\x20 |
| 2436 | | Data and other attributes defined here: |
| 2437 | |\x20\x20 |
| 2438 | | blue = <Color.blue: 3> |
| 2439 | |\x20\x20 |
| 2440 | | green = <Color.green: 2> |
| 2441 | |\x20\x20 |
| 2442 | | red = <Color.red: 1> |
| 2443 | |\x20\x20 |
| 2444 | | ---------------------------------------------------------------------- |
| 2445 | | Data descriptors inherited from enum.Enum: |
| 2446 | |\x20\x20 |
| 2447 | | name |
| 2448 | | The name of the Enum member. |
| 2449 | |\x20\x20 |
| 2450 | | value |
| 2451 | | The value of the Enum member. |
| 2452 | |\x20\x20 |
| 2453 | | ---------------------------------------------------------------------- |
| 2454 | | Data descriptors inherited from enum.EnumMeta: |
| 2455 | |\x20\x20 |
| 2456 | | __members__ |
| 2457 | | Returns a mapping of member name->value. |
| 2458 | |\x20\x20\x20\x20\x20\x20 |
| 2459 | | This mapping lists all enum members, including aliases. Note that this |
Ethan Furman | 3323da9 | 2015-04-11 09:39:59 -0700 | [diff] [blame] | 2460 | | is a read-only view of the internal mapping.""" |
| 2461 | |
| 2462 | expected_help_output_without_docs = """\ |
| 2463 | Help on class Color in module %s: |
| 2464 | |
| 2465 | class Color(enum.Enum) |
Serhiy Storchaka | 90f6332 | 2017-01-24 09:06:22 +0200 | [diff] [blame] | 2466 | | Color(value, names=None, *, module=None, qualname=None, type=None, start=1) |
| 2467 | |\x20\x20 |
Ethan Furman | 3323da9 | 2015-04-11 09:39:59 -0700 | [diff] [blame] | 2468 | | Method resolution order: |
| 2469 | | Color |
| 2470 | | enum.Enum |
| 2471 | | builtins.object |
| 2472 | |\x20\x20 |
| 2473 | | Data and other attributes defined here: |
| 2474 | |\x20\x20 |
| 2475 | | blue = <Color.blue: 3> |
| 2476 | |\x20\x20 |
| 2477 | | green = <Color.green: 2> |
| 2478 | |\x20\x20 |
| 2479 | | red = <Color.red: 1> |
| 2480 | |\x20\x20 |
| 2481 | | ---------------------------------------------------------------------- |
| 2482 | | Data descriptors inherited from enum.Enum: |
| 2483 | |\x20\x20 |
| 2484 | | name |
| 2485 | |\x20\x20 |
| 2486 | | value |
| 2487 | |\x20\x20 |
| 2488 | | ---------------------------------------------------------------------- |
| 2489 | | Data descriptors inherited from enum.EnumMeta: |
| 2490 | |\x20\x20 |
| 2491 | | __members__""" |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2492 | |
| 2493 | class TestStdLib(unittest.TestCase): |
| 2494 | |
Ethan Furman | 48a724f | 2015-04-11 23:23:06 -0700 | [diff] [blame] | 2495 | maxDiff = None |
| 2496 | |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2497 | class Color(Enum): |
| 2498 | red = 1 |
| 2499 | green = 2 |
| 2500 | blue = 3 |
| 2501 | |
| 2502 | def test_pydoc(self): |
| 2503 | # indirectly test __objclass__ |
Ethan Furman | 3323da9 | 2015-04-11 09:39:59 -0700 | [diff] [blame] | 2504 | if StrEnum.__doc__ is None: |
| 2505 | expected_text = expected_help_output_without_docs % __name__ |
| 2506 | else: |
| 2507 | expected_text = expected_help_output_with_docs % __name__ |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2508 | output = StringIO() |
| 2509 | helper = pydoc.Helper(output=output) |
| 2510 | helper(self.Color) |
| 2511 | result = output.getvalue().strip() |
Victor Stinner | 4b0432d | 2014-06-16 22:48:43 +0200 | [diff] [blame] | 2512 | self.assertEqual(result, expected_text) |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2513 | |
| 2514 | def test_inspect_getmembers(self): |
| 2515 | values = dict(( |
| 2516 | ('__class__', EnumMeta), |
Ethan Furman | 48a724f | 2015-04-11 23:23:06 -0700 | [diff] [blame] | 2517 | ('__doc__', 'An enumeration.'), |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2518 | ('__members__', self.Color.__members__), |
| 2519 | ('__module__', __name__), |
| 2520 | ('blue', self.Color.blue), |
| 2521 | ('green', self.Color.green), |
| 2522 | ('name', Enum.__dict__['name']), |
| 2523 | ('red', self.Color.red), |
| 2524 | ('value', Enum.__dict__['value']), |
| 2525 | )) |
| 2526 | result = dict(inspect.getmembers(self.Color)) |
| 2527 | self.assertEqual(values.keys(), result.keys()) |
| 2528 | failed = False |
| 2529 | for k in values.keys(): |
| 2530 | if result[k] != values[k]: |
| 2531 | print() |
| 2532 | print('\n%s\n key: %s\n result: %s\nexpected: %s\n%s\n' % |
| 2533 | ('=' * 75, k, result[k], values[k], '=' * 75), sep='') |
| 2534 | failed = True |
| 2535 | if failed: |
| 2536 | self.fail("result does not equal expected, see print above") |
| 2537 | |
| 2538 | def test_inspect_classify_class_attrs(self): |
| 2539 | # indirectly test __objclass__ |
| 2540 | from inspect import Attribute |
| 2541 | values = [ |
| 2542 | Attribute(name='__class__', kind='data', |
| 2543 | defining_class=object, object=EnumMeta), |
| 2544 | Attribute(name='__doc__', kind='data', |
Ethan Furman | 48a724f | 2015-04-11 23:23:06 -0700 | [diff] [blame] | 2545 | defining_class=self.Color, object='An enumeration.'), |
Ethan Furman | 5875d74 | 2013-10-21 20:45:55 -0700 | [diff] [blame] | 2546 | Attribute(name='__members__', kind='property', |
| 2547 | defining_class=EnumMeta, object=EnumMeta.__members__), |
| 2548 | Attribute(name='__module__', kind='data', |
| 2549 | defining_class=self.Color, object=__name__), |
| 2550 | Attribute(name='blue', kind='data', |
| 2551 | defining_class=self.Color, object=self.Color.blue), |
| 2552 | Attribute(name='green', kind='data', |
| 2553 | defining_class=self.Color, object=self.Color.green), |
| 2554 | Attribute(name='red', kind='data', |
| 2555 | defining_class=self.Color, object=self.Color.red), |
| 2556 | Attribute(name='name', kind='data', |
| 2557 | defining_class=Enum, object=Enum.__dict__['name']), |
| 2558 | Attribute(name='value', kind='data', |
| 2559 | defining_class=Enum, object=Enum.__dict__['value']), |
| 2560 | ] |
| 2561 | values.sort(key=lambda item: item.name) |
| 2562 | result = list(inspect.classify_class_attrs(self.Color)) |
| 2563 | result.sort(key=lambda item: item.name) |
| 2564 | failed = False |
| 2565 | for v, r in zip(values, result): |
| 2566 | if r != v: |
| 2567 | print('\n%s\n%s\n%s\n%s\n' % ('=' * 75, r, v, '=' * 75), sep='') |
| 2568 | failed = True |
| 2569 | if failed: |
| 2570 | self.fail("result does not equal expected, see print above") |
| 2571 | |
Martin Panter | 19e69c5 | 2015-11-14 12:46:42 +0000 | [diff] [blame] | 2572 | |
| 2573 | class MiscTestCase(unittest.TestCase): |
| 2574 | def test__all__(self): |
| 2575 | support.check__all__(self, enum) |
| 2576 | |
| 2577 | |
Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D) | 6f20bd6 | 2016-06-03 19:14:52 +0000 | [diff] [blame] | 2578 | # These are unordered here on purpose to ensure that declaration order |
| 2579 | # makes no difference. |
| 2580 | CONVERT_TEST_NAME_D = 5 |
| 2581 | CONVERT_TEST_NAME_C = 5 |
| 2582 | CONVERT_TEST_NAME_B = 5 |
| 2583 | CONVERT_TEST_NAME_A = 5 # This one should sort first. |
| 2584 | CONVERT_TEST_NAME_E = 5 |
| 2585 | CONVERT_TEST_NAME_F = 5 |
| 2586 | |
| 2587 | class TestIntEnumConvert(unittest.TestCase): |
| 2588 | def test_convert_value_lookup_priority(self): |
| 2589 | test_type = enum.IntEnum._convert( |
Ethan Furman | 28cf663 | 2017-01-24 12:12:06 -0800 | [diff] [blame] | 2590 | 'UnittestConvert', |
| 2591 | ('test.test_enum', '__main__')[__name__=='__main__'], |
Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D) | 6f20bd6 | 2016-06-03 19:14:52 +0000 | [diff] [blame] | 2592 | filter=lambda x: x.startswith('CONVERT_TEST_')) |
| 2593 | # We don't want the reverse lookup value to vary when there are |
| 2594 | # multiple possible names for a given value. It should always |
| 2595 | # report the first lexigraphical name in that case. |
| 2596 | self.assertEqual(test_type(5).name, 'CONVERT_TEST_NAME_A') |
| 2597 | |
| 2598 | def test_convert(self): |
| 2599 | test_type = enum.IntEnum._convert( |
Ethan Furman | 28cf663 | 2017-01-24 12:12:06 -0800 | [diff] [blame] | 2600 | 'UnittestConvert', |
| 2601 | ('test.test_enum', '__main__')[__name__=='__main__'], |
Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D) | 6f20bd6 | 2016-06-03 19:14:52 +0000 | [diff] [blame] | 2602 | filter=lambda x: x.startswith('CONVERT_TEST_')) |
| 2603 | # Ensure that test_type has all of the desired names and values. |
| 2604 | self.assertEqual(test_type.CONVERT_TEST_NAME_F, |
| 2605 | test_type.CONVERT_TEST_NAME_A) |
| 2606 | self.assertEqual(test_type.CONVERT_TEST_NAME_B, 5) |
| 2607 | self.assertEqual(test_type.CONVERT_TEST_NAME_C, 5) |
| 2608 | self.assertEqual(test_type.CONVERT_TEST_NAME_D, 5) |
| 2609 | self.assertEqual(test_type.CONVERT_TEST_NAME_E, 5) |
| 2610 | # Ensure that test_type only picked up names matching the filter. |
| 2611 | self.assertEqual([name for name in dir(test_type) |
| 2612 | if name[0:2] not in ('CO', '__')], |
| 2613 | [], msg='Names other than CONVERT_TEST_* found.') |
| 2614 | |
| 2615 | |
Ethan Furman | 6b3d64a | 2013-06-14 16:55:46 -0700 | [diff] [blame] | 2616 | if __name__ == '__main__': |
| 2617 | unittest.main() |