Josh Gao | c62e49a | 2016-04-29 18:11:04 -0700 | [diff] [blame] | 1 | import operator |
| 2 | import unittest |
| 3 | |
| 4 | from test import test_support |
| 5 | |
| 6 | class Seq1: |
| 7 | def __init__(self, lst): |
| 8 | self.lst = lst |
| 9 | def __len__(self): |
| 10 | return len(self.lst) |
| 11 | def __getitem__(self, i): |
| 12 | return self.lst[i] |
| 13 | def __add__(self, other): |
| 14 | return self.lst + other.lst |
| 15 | def __mul__(self, other): |
| 16 | return self.lst * other |
| 17 | def __rmul__(self, other): |
| 18 | return other * self.lst |
| 19 | |
| 20 | class Seq2(object): |
| 21 | def __init__(self, lst): |
| 22 | self.lst = lst |
| 23 | def __len__(self): |
| 24 | return len(self.lst) |
| 25 | def __getitem__(self, i): |
| 26 | return self.lst[i] |
| 27 | def __add__(self, other): |
| 28 | return self.lst + other.lst |
| 29 | def __mul__(self, other): |
| 30 | return self.lst * other |
| 31 | def __rmul__(self, other): |
| 32 | return other * self.lst |
| 33 | |
| 34 | |
| 35 | class OperatorTestCase(unittest.TestCase): |
| 36 | def test_lt(self): |
| 37 | self.assertRaises(TypeError, operator.lt) |
| 38 | self.assertRaises(TypeError, operator.lt, 1j, 2j) |
| 39 | self.assertFalse(operator.lt(1, 0)) |
| 40 | self.assertFalse(operator.lt(1, 0.0)) |
| 41 | self.assertFalse(operator.lt(1, 1)) |
| 42 | self.assertFalse(operator.lt(1, 1.0)) |
| 43 | self.assertTrue(operator.lt(1, 2)) |
| 44 | self.assertTrue(operator.lt(1, 2.0)) |
| 45 | |
| 46 | def test_le(self): |
| 47 | self.assertRaises(TypeError, operator.le) |
| 48 | self.assertRaises(TypeError, operator.le, 1j, 2j) |
| 49 | self.assertFalse(operator.le(1, 0)) |
| 50 | self.assertFalse(operator.le(1, 0.0)) |
| 51 | self.assertTrue(operator.le(1, 1)) |
| 52 | self.assertTrue(operator.le(1, 1.0)) |
| 53 | self.assertTrue(operator.le(1, 2)) |
| 54 | self.assertTrue(operator.le(1, 2.0)) |
| 55 | |
| 56 | def test_eq(self): |
| 57 | class C(object): |
| 58 | def __eq__(self, other): |
| 59 | raise SyntaxError |
| 60 | __hash__ = None # Silence Py3k warning |
| 61 | self.assertRaises(TypeError, operator.eq) |
| 62 | self.assertRaises(SyntaxError, operator.eq, C(), C()) |
| 63 | self.assertFalse(operator.eq(1, 0)) |
| 64 | self.assertFalse(operator.eq(1, 0.0)) |
| 65 | self.assertTrue(operator.eq(1, 1)) |
| 66 | self.assertTrue(operator.eq(1, 1.0)) |
| 67 | self.assertFalse(operator.eq(1, 2)) |
| 68 | self.assertFalse(operator.eq(1, 2.0)) |
| 69 | |
| 70 | def test_ne(self): |
| 71 | class C(object): |
| 72 | def __ne__(self, other): |
| 73 | raise SyntaxError |
| 74 | self.assertRaises(TypeError, operator.ne) |
| 75 | self.assertRaises(SyntaxError, operator.ne, C(), C()) |
| 76 | self.assertTrue(operator.ne(1, 0)) |
| 77 | self.assertTrue(operator.ne(1, 0.0)) |
| 78 | self.assertFalse(operator.ne(1, 1)) |
| 79 | self.assertFalse(operator.ne(1, 1.0)) |
| 80 | self.assertTrue(operator.ne(1, 2)) |
| 81 | self.assertTrue(operator.ne(1, 2.0)) |
| 82 | |
| 83 | def test_ge(self): |
| 84 | self.assertRaises(TypeError, operator.ge) |
| 85 | self.assertRaises(TypeError, operator.ge, 1j, 2j) |
| 86 | self.assertTrue(operator.ge(1, 0)) |
| 87 | self.assertTrue(operator.ge(1, 0.0)) |
| 88 | self.assertTrue(operator.ge(1, 1)) |
| 89 | self.assertTrue(operator.ge(1, 1.0)) |
| 90 | self.assertFalse(operator.ge(1, 2)) |
| 91 | self.assertFalse(operator.ge(1, 2.0)) |
| 92 | |
| 93 | def test_gt(self): |
| 94 | self.assertRaises(TypeError, operator.gt) |
| 95 | self.assertRaises(TypeError, operator.gt, 1j, 2j) |
| 96 | self.assertTrue(operator.gt(1, 0)) |
| 97 | self.assertTrue(operator.gt(1, 0.0)) |
| 98 | self.assertFalse(operator.gt(1, 1)) |
| 99 | self.assertFalse(operator.gt(1, 1.0)) |
| 100 | self.assertFalse(operator.gt(1, 2)) |
| 101 | self.assertFalse(operator.gt(1, 2.0)) |
| 102 | |
| 103 | def test_abs(self): |
| 104 | self.assertRaises(TypeError, operator.abs) |
| 105 | self.assertRaises(TypeError, operator.abs, None) |
| 106 | self.assertTrue(operator.abs(-1) == 1) |
| 107 | self.assertTrue(operator.abs(1) == 1) |
| 108 | |
| 109 | def test_add(self): |
| 110 | self.assertRaises(TypeError, operator.add) |
| 111 | self.assertRaises(TypeError, operator.add, None, None) |
| 112 | self.assertTrue(operator.add(3, 4) == 7) |
| 113 | |
| 114 | def test_bitwise_and(self): |
| 115 | self.assertRaises(TypeError, operator.and_) |
| 116 | self.assertRaises(TypeError, operator.and_, None, None) |
| 117 | self.assertTrue(operator.and_(0xf, 0xa) == 0xa) |
| 118 | |
| 119 | def test_concat(self): |
| 120 | self.assertRaises(TypeError, operator.concat) |
| 121 | self.assertRaises(TypeError, operator.concat, None, None) |
| 122 | self.assertTrue(operator.concat('py', 'thon') == 'python') |
| 123 | self.assertTrue(operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4]) |
| 124 | self.assertTrue(operator.concat(Seq1([5, 6]), Seq1([7])) == [5, 6, 7]) |
| 125 | self.assertTrue(operator.concat(Seq2([5, 6]), Seq2([7])) == [5, 6, 7]) |
| 126 | self.assertRaises(TypeError, operator.concat, 13, 29) |
| 127 | |
| 128 | def test_countOf(self): |
| 129 | self.assertRaises(TypeError, operator.countOf) |
| 130 | self.assertRaises(TypeError, operator.countOf, None, None) |
| 131 | self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1) |
| 132 | self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0) |
| 133 | |
| 134 | def test_delitem(self): |
| 135 | a = [4, 3, 2, 1] |
| 136 | self.assertRaises(TypeError, operator.delitem, a) |
| 137 | self.assertRaises(TypeError, operator.delitem, a, None) |
| 138 | self.assertTrue(operator.delitem(a, 1) is None) |
| 139 | self.assertTrue(a == [4, 2, 1]) |
| 140 | |
| 141 | def test_delslice(self): |
| 142 | a = range(10) |
| 143 | self.assertRaises(TypeError, operator.delslice, a) |
| 144 | self.assertRaises(TypeError, operator.delslice, a, None, None) |
| 145 | self.assertTrue(operator.delslice(a, 2, 8) is None) |
| 146 | self.assertTrue(a == [0, 1, 8, 9]) |
| 147 | operator.delslice(a, 0, test_support.MAX_Py_ssize_t) |
| 148 | self.assertTrue(a == []) |
| 149 | |
| 150 | def test_div(self): |
| 151 | self.assertRaises(TypeError, operator.div, 5) |
| 152 | self.assertRaises(TypeError, operator.div, None, None) |
| 153 | self.assertTrue(operator.floordiv(5, 2) == 2) |
| 154 | |
| 155 | def test_floordiv(self): |
| 156 | self.assertRaises(TypeError, operator.floordiv, 5) |
| 157 | self.assertRaises(TypeError, operator.floordiv, None, None) |
| 158 | self.assertTrue(operator.floordiv(5, 2) == 2) |
| 159 | |
| 160 | def test_truediv(self): |
| 161 | self.assertRaises(TypeError, operator.truediv, 5) |
| 162 | self.assertRaises(TypeError, operator.truediv, None, None) |
| 163 | self.assertTrue(operator.truediv(5, 2) == 2.5) |
| 164 | |
| 165 | def test_getitem(self): |
| 166 | a = range(10) |
| 167 | self.assertRaises(TypeError, operator.getitem) |
| 168 | self.assertRaises(TypeError, operator.getitem, a, None) |
| 169 | self.assertTrue(operator.getitem(a, 2) == 2) |
| 170 | |
| 171 | def test_getslice(self): |
| 172 | a = range(10) |
| 173 | self.assertRaises(TypeError, operator.getslice) |
| 174 | self.assertRaises(TypeError, operator.getslice, a, None, None) |
| 175 | self.assertTrue(operator.getslice(a, 4, 6) == [4, 5]) |
| 176 | b = operator.getslice(a, 0, test_support.MAX_Py_ssize_t) |
| 177 | self.assertTrue(b == a) |
| 178 | |
| 179 | def test_indexOf(self): |
| 180 | self.assertRaises(TypeError, operator.indexOf) |
| 181 | self.assertRaises(TypeError, operator.indexOf, None, None) |
| 182 | self.assertTrue(operator.indexOf([4, 3, 2, 1], 3) == 1) |
| 183 | self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0) |
| 184 | |
| 185 | def test_invert(self): |
| 186 | self.assertRaises(TypeError, operator.invert) |
| 187 | self.assertRaises(TypeError, operator.invert, None) |
| 188 | self.assertTrue(operator.inv(4) == -5) |
| 189 | |
| 190 | def test_isCallable(self): |
| 191 | self.assertRaises(TypeError, operator.isCallable) |
| 192 | class C: |
| 193 | pass |
| 194 | def check(self, o, v): |
| 195 | with test_support.check_py3k_warnings(): |
| 196 | self.assertEqual(operator.isCallable(o), v) |
| 197 | self.assertEqual(callable(o), v) |
| 198 | check(self, 4, 0) |
| 199 | check(self, operator.isCallable, 1) |
| 200 | check(self, C, 1) |
| 201 | check(self, C(), 0) |
| 202 | |
| 203 | def test_isMappingType(self): |
| 204 | self.assertRaises(TypeError, operator.isMappingType) |
| 205 | self.assertFalse(operator.isMappingType(1)) |
| 206 | self.assertFalse(operator.isMappingType(operator.isMappingType)) |
| 207 | self.assertTrue(operator.isMappingType(operator.__dict__)) |
| 208 | self.assertTrue(operator.isMappingType({})) |
| 209 | |
| 210 | def test_isNumberType(self): |
| 211 | self.assertRaises(TypeError, operator.isNumberType) |
| 212 | self.assertTrue(operator.isNumberType(8)) |
| 213 | self.assertTrue(operator.isNumberType(8j)) |
| 214 | self.assertTrue(operator.isNumberType(8L)) |
| 215 | self.assertTrue(operator.isNumberType(8.3)) |
| 216 | self.assertFalse(operator.isNumberType(dir())) |
| 217 | |
| 218 | def test_isSequenceType(self): |
| 219 | self.assertRaises(TypeError, operator.isSequenceType) |
| 220 | self.assertTrue(operator.isSequenceType(dir())) |
| 221 | self.assertTrue(operator.isSequenceType(())) |
| 222 | self.assertTrue(operator.isSequenceType(xrange(10))) |
| 223 | self.assertTrue(operator.isSequenceType('yeahbuddy')) |
| 224 | self.assertFalse(operator.isSequenceType(3)) |
| 225 | class Dict(dict): pass |
| 226 | self.assertFalse(operator.isSequenceType(Dict())) |
| 227 | |
| 228 | def test_lshift(self): |
| 229 | self.assertRaises(TypeError, operator.lshift) |
| 230 | self.assertRaises(TypeError, operator.lshift, None, 42) |
| 231 | self.assertTrue(operator.lshift(5, 1) == 10) |
| 232 | self.assertTrue(operator.lshift(5, 0) == 5) |
| 233 | self.assertRaises(ValueError, operator.lshift, 2, -1) |
| 234 | |
| 235 | def test_mod(self): |
| 236 | self.assertRaises(TypeError, operator.mod) |
| 237 | self.assertRaises(TypeError, operator.mod, None, 42) |
| 238 | self.assertTrue(operator.mod(5, 2) == 1) |
| 239 | |
| 240 | def test_mul(self): |
| 241 | self.assertRaises(TypeError, operator.mul) |
| 242 | self.assertRaises(TypeError, operator.mul, None, None) |
| 243 | self.assertTrue(operator.mul(5, 2) == 10) |
| 244 | |
| 245 | def test_neg(self): |
| 246 | self.assertRaises(TypeError, operator.neg) |
| 247 | self.assertRaises(TypeError, operator.neg, None) |
| 248 | self.assertTrue(operator.neg(5) == -5) |
| 249 | self.assertTrue(operator.neg(-5) == 5) |
| 250 | self.assertTrue(operator.neg(0) == 0) |
| 251 | self.assertTrue(operator.neg(-0) == 0) |
| 252 | |
| 253 | def test_bitwise_or(self): |
| 254 | self.assertRaises(TypeError, operator.or_) |
| 255 | self.assertRaises(TypeError, operator.or_, None, None) |
| 256 | self.assertTrue(operator.or_(0xa, 0x5) == 0xf) |
| 257 | |
| 258 | def test_pos(self): |
| 259 | self.assertRaises(TypeError, operator.pos) |
| 260 | self.assertRaises(TypeError, operator.pos, None) |
| 261 | self.assertTrue(operator.pos(5) == 5) |
| 262 | self.assertTrue(operator.pos(-5) == -5) |
| 263 | self.assertTrue(operator.pos(0) == 0) |
| 264 | self.assertTrue(operator.pos(-0) == 0) |
| 265 | |
| 266 | def test_pow(self): |
| 267 | self.assertRaises(TypeError, operator.pow) |
| 268 | self.assertRaises(TypeError, operator.pow, None, None) |
| 269 | self.assertTrue(operator.pow(3,5) == 3**5) |
| 270 | self.assertTrue(operator.__pow__(3,5) == 3**5) |
| 271 | self.assertRaises(TypeError, operator.pow, 1) |
| 272 | self.assertRaises(TypeError, operator.pow, 1, 2, 3) |
| 273 | |
| 274 | def test_repeat(self): |
| 275 | a = range(3) |
| 276 | self.assertRaises(TypeError, operator.repeat) |
| 277 | self.assertRaises(TypeError, operator.repeat, a, None) |
| 278 | self.assertTrue(operator.repeat(a, 2) == a+a) |
| 279 | self.assertTrue(operator.repeat(a, 1) == a) |
| 280 | self.assertTrue(operator.repeat(a, 0) == []) |
| 281 | a = (1, 2, 3) |
| 282 | self.assertTrue(operator.repeat(a, 2) == a+a) |
| 283 | self.assertTrue(operator.repeat(a, 1) == a) |
| 284 | self.assertTrue(operator.repeat(a, 0) == ()) |
| 285 | a = '123' |
| 286 | self.assertTrue(operator.repeat(a, 2) == a+a) |
| 287 | self.assertTrue(operator.repeat(a, 1) == a) |
| 288 | self.assertTrue(operator.repeat(a, 0) == '') |
| 289 | a = Seq1([4, 5, 6]) |
| 290 | self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6]) |
| 291 | self.assertTrue(operator.repeat(a, 1) == [4, 5, 6]) |
| 292 | self.assertTrue(operator.repeat(a, 0) == []) |
| 293 | a = Seq2([4, 5, 6]) |
| 294 | self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6]) |
| 295 | self.assertTrue(operator.repeat(a, 1) == [4, 5, 6]) |
| 296 | self.assertTrue(operator.repeat(a, 0) == []) |
| 297 | self.assertRaises(TypeError, operator.repeat, 6, 7) |
| 298 | |
| 299 | def test_rshift(self): |
| 300 | self.assertRaises(TypeError, operator.rshift) |
| 301 | self.assertRaises(TypeError, operator.rshift, None, 42) |
| 302 | self.assertTrue(operator.rshift(5, 1) == 2) |
| 303 | self.assertTrue(operator.rshift(5, 0) == 5) |
| 304 | self.assertRaises(ValueError, operator.rshift, 2, -1) |
| 305 | |
| 306 | def test_contains(self): |
| 307 | self.assertRaises(TypeError, operator.contains) |
| 308 | self.assertRaises(TypeError, operator.contains, None, None) |
| 309 | self.assertTrue(operator.contains(range(4), 2)) |
| 310 | self.assertFalse(operator.contains(range(4), 5)) |
| 311 | with test_support.check_py3k_warnings(): |
| 312 | self.assertTrue(operator.sequenceIncludes(range(4), 2)) |
| 313 | self.assertFalse(operator.sequenceIncludes(range(4), 5)) |
| 314 | |
| 315 | def test_setitem(self): |
| 316 | a = range(3) |
| 317 | self.assertRaises(TypeError, operator.setitem, a) |
| 318 | self.assertRaises(TypeError, operator.setitem, a, None, None) |
| 319 | self.assertTrue(operator.setitem(a, 0, 2) is None) |
| 320 | self.assertTrue(a == [2, 1, 2]) |
| 321 | self.assertRaises(IndexError, operator.setitem, a, 4, 2) |
| 322 | |
| 323 | def test_setslice(self): |
| 324 | a = range(4) |
| 325 | self.assertRaises(TypeError, operator.setslice, a) |
| 326 | self.assertRaises(TypeError, operator.setslice, a, None, None, None) |
| 327 | self.assertTrue(operator.setslice(a, 1, 3, [2, 1]) is None) |
| 328 | self.assertTrue(a == [0, 2, 1, 3]) |
| 329 | operator.setslice(a, 0, test_support.MAX_Py_ssize_t, []) |
| 330 | self.assertTrue(a == []) |
| 331 | |
| 332 | def test_sub(self): |
| 333 | self.assertRaises(TypeError, operator.sub) |
| 334 | self.assertRaises(TypeError, operator.sub, None, None) |
| 335 | self.assertTrue(operator.sub(5, 2) == 3) |
| 336 | |
| 337 | def test_truth(self): |
| 338 | class C(object): |
| 339 | def __nonzero__(self): |
| 340 | raise SyntaxError |
| 341 | self.assertRaises(TypeError, operator.truth) |
| 342 | self.assertRaises(SyntaxError, operator.truth, C()) |
| 343 | self.assertTrue(operator.truth(5)) |
| 344 | self.assertTrue(operator.truth([0])) |
| 345 | self.assertFalse(operator.truth(0)) |
| 346 | self.assertFalse(operator.truth([])) |
| 347 | |
| 348 | def test_bitwise_xor(self): |
| 349 | self.assertRaises(TypeError, operator.xor) |
| 350 | self.assertRaises(TypeError, operator.xor, None, None) |
| 351 | self.assertTrue(operator.xor(0xb, 0xc) == 0x7) |
| 352 | |
| 353 | def test_is(self): |
| 354 | a = b = 'xyzpdq' |
| 355 | c = a[:3] + b[3:] |
| 356 | self.assertRaises(TypeError, operator.is_) |
| 357 | self.assertTrue(operator.is_(a, b)) |
| 358 | self.assertFalse(operator.is_(a,c)) |
| 359 | |
| 360 | def test_is_not(self): |
| 361 | a = b = 'xyzpdq' |
| 362 | c = a[:3] + b[3:] |
| 363 | self.assertRaises(TypeError, operator.is_not) |
| 364 | self.assertFalse(operator.is_not(a, b)) |
| 365 | self.assertTrue(operator.is_not(a,c)) |
| 366 | |
| 367 | def test_attrgetter(self): |
| 368 | class A: |
| 369 | pass |
| 370 | a = A() |
| 371 | a.name = 'arthur' |
| 372 | f = operator.attrgetter('name') |
| 373 | self.assertEqual(f(a), 'arthur') |
| 374 | f = operator.attrgetter('rank') |
| 375 | self.assertRaises(AttributeError, f, a) |
| 376 | f = operator.attrgetter(2) |
| 377 | self.assertRaises(TypeError, f, a) |
| 378 | self.assertRaises(TypeError, operator.attrgetter) |
| 379 | |
| 380 | # multiple gets |
| 381 | record = A() |
| 382 | record.x = 'X' |
| 383 | record.y = 'Y' |
| 384 | record.z = 'Z' |
| 385 | self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y')) |
| 386 | self.assertRaises(TypeError, operator.attrgetter('x', (), 'y'), record) |
| 387 | |
| 388 | class C(object): |
| 389 | def __getattr__(self, name): |
| 390 | raise SyntaxError |
| 391 | self.assertRaises(SyntaxError, operator.attrgetter('foo'), C()) |
| 392 | |
| 393 | # recursive gets |
| 394 | a = A() |
| 395 | a.name = 'arthur' |
| 396 | a.child = A() |
| 397 | a.child.name = 'thomas' |
| 398 | f = operator.attrgetter('child.name') |
| 399 | self.assertEqual(f(a), 'thomas') |
| 400 | self.assertRaises(AttributeError, f, a.child) |
| 401 | f = operator.attrgetter('name', 'child.name') |
| 402 | self.assertEqual(f(a), ('arthur', 'thomas')) |
| 403 | f = operator.attrgetter('name', 'child.name', 'child.child.name') |
| 404 | self.assertRaises(AttributeError, f, a) |
| 405 | |
| 406 | a.child.child = A() |
| 407 | a.child.child.name = 'johnson' |
| 408 | f = operator.attrgetter('child.child.name') |
| 409 | self.assertEqual(f(a), 'johnson') |
| 410 | f = operator.attrgetter('name', 'child.name', 'child.child.name') |
| 411 | self.assertEqual(f(a), ('arthur', 'thomas', 'johnson')) |
| 412 | |
| 413 | def test_itemgetter(self): |
| 414 | a = 'ABCDE' |
| 415 | f = operator.itemgetter(2) |
| 416 | self.assertEqual(f(a), 'C') |
| 417 | f = operator.itemgetter(10) |
| 418 | self.assertRaises(IndexError, f, a) |
| 419 | |
| 420 | class C(object): |
| 421 | def __getitem__(self, name): |
| 422 | raise SyntaxError |
| 423 | self.assertRaises(SyntaxError, operator.itemgetter(42), C()) |
| 424 | |
| 425 | f = operator.itemgetter('name') |
| 426 | self.assertRaises(TypeError, f, a) |
| 427 | self.assertRaises(TypeError, operator.itemgetter) |
| 428 | |
| 429 | d = dict(key='val') |
| 430 | f = operator.itemgetter('key') |
| 431 | self.assertEqual(f(d), 'val') |
| 432 | f = operator.itemgetter('nonkey') |
| 433 | self.assertRaises(KeyError, f, d) |
| 434 | |
| 435 | # example used in the docs |
| 436 | inventory = [('apple', 3), ('banana', 2), ('pear', 5), ('orange', 1)] |
| 437 | getcount = operator.itemgetter(1) |
| 438 | self.assertEqual(map(getcount, inventory), [3, 2, 5, 1]) |
| 439 | self.assertEqual(sorted(inventory, key=getcount), |
| 440 | [('orange', 1), ('banana', 2), ('apple', 3), ('pear', 5)]) |
| 441 | |
| 442 | # multiple gets |
| 443 | data = map(str, range(20)) |
| 444 | self.assertEqual(operator.itemgetter(2,10,5)(data), ('2', '10', '5')) |
| 445 | self.assertRaises(TypeError, operator.itemgetter(2, 'x', 5), data) |
| 446 | |
| 447 | def test_methodcaller(self): |
| 448 | self.assertRaises(TypeError, operator.methodcaller) |
| 449 | class A: |
| 450 | def foo(self, *args, **kwds): |
| 451 | return args[0] + args[1] |
| 452 | def bar(self, f=42): |
| 453 | return f |
| 454 | a = A() |
| 455 | f = operator.methodcaller('foo') |
| 456 | self.assertRaises(IndexError, f, a) |
| 457 | f = operator.methodcaller('foo', 1, 2) |
| 458 | self.assertEqual(f(a), 3) |
| 459 | f = operator.methodcaller('bar') |
| 460 | self.assertEqual(f(a), 42) |
| 461 | self.assertRaises(TypeError, f, a, a) |
| 462 | f = operator.methodcaller('bar', f=5) |
| 463 | self.assertEqual(f(a), 5) |
| 464 | |
| 465 | def test_inplace(self): |
| 466 | class C(object): |
| 467 | def __iadd__ (self, other): return "iadd" |
| 468 | def __iand__ (self, other): return "iand" |
| 469 | def __idiv__ (self, other): return "idiv" |
| 470 | def __ifloordiv__(self, other): return "ifloordiv" |
| 471 | def __ilshift__ (self, other): return "ilshift" |
| 472 | def __imod__ (self, other): return "imod" |
| 473 | def __imul__ (self, other): return "imul" |
| 474 | def __ior__ (self, other): return "ior" |
| 475 | def __ipow__ (self, other): return "ipow" |
| 476 | def __irshift__ (self, other): return "irshift" |
| 477 | def __isub__ (self, other): return "isub" |
| 478 | def __itruediv__ (self, other): return "itruediv" |
| 479 | def __ixor__ (self, other): return "ixor" |
| 480 | def __getitem__(self, other): return 5 # so that C is a sequence |
| 481 | c = C() |
| 482 | self.assertEqual(operator.iadd (c, 5), "iadd") |
| 483 | self.assertEqual(operator.iand (c, 5), "iand") |
| 484 | self.assertEqual(operator.idiv (c, 5), "idiv") |
| 485 | self.assertEqual(operator.ifloordiv(c, 5), "ifloordiv") |
| 486 | self.assertEqual(operator.ilshift (c, 5), "ilshift") |
| 487 | self.assertEqual(operator.imod (c, 5), "imod") |
| 488 | self.assertEqual(operator.imul (c, 5), "imul") |
| 489 | self.assertEqual(operator.ior (c, 5), "ior") |
| 490 | self.assertEqual(operator.ipow (c, 5), "ipow") |
| 491 | self.assertEqual(operator.irshift (c, 5), "irshift") |
| 492 | self.assertEqual(operator.isub (c, 5), "isub") |
| 493 | self.assertEqual(operator.itruediv (c, 5), "itruediv") |
| 494 | self.assertEqual(operator.ixor (c, 5), "ixor") |
| 495 | self.assertEqual(operator.iconcat (c, c), "iadd") |
| 496 | self.assertEqual(operator.irepeat (c, 5), "imul") |
| 497 | self.assertEqual(operator.__iadd__ (c, 5), "iadd") |
| 498 | self.assertEqual(operator.__iand__ (c, 5), "iand") |
| 499 | self.assertEqual(operator.__idiv__ (c, 5), "idiv") |
| 500 | self.assertEqual(operator.__ifloordiv__(c, 5), "ifloordiv") |
| 501 | self.assertEqual(operator.__ilshift__ (c, 5), "ilshift") |
| 502 | self.assertEqual(operator.__imod__ (c, 5), "imod") |
| 503 | self.assertEqual(operator.__imul__ (c, 5), "imul") |
| 504 | self.assertEqual(operator.__ior__ (c, 5), "ior") |
| 505 | self.assertEqual(operator.__ipow__ (c, 5), "ipow") |
| 506 | self.assertEqual(operator.__irshift__ (c, 5), "irshift") |
| 507 | self.assertEqual(operator.__isub__ (c, 5), "isub") |
| 508 | self.assertEqual(operator.__itruediv__ (c, 5), "itruediv") |
| 509 | self.assertEqual(operator.__ixor__ (c, 5), "ixor") |
| 510 | self.assertEqual(operator.__iconcat__ (c, c), "iadd") |
| 511 | self.assertEqual(operator.__irepeat__ (c, 5), "imul") |
| 512 | |
| 513 | def test_main(verbose=None): |
| 514 | import sys |
| 515 | test_classes = ( |
| 516 | OperatorTestCase, |
| 517 | ) |
| 518 | |
| 519 | test_support.run_unittest(*test_classes) |
| 520 | |
| 521 | # verify reference counting |
| 522 | if verbose and hasattr(sys, "gettotalrefcount"): |
| 523 | import gc |
| 524 | counts = [None] * 5 |
| 525 | for i in xrange(len(counts)): |
| 526 | test_support.run_unittest(*test_classes) |
| 527 | gc.collect() |
| 528 | counts[i] = sys.gettotalrefcount() |
| 529 | print counts |
| 530 | |
| 531 | if __name__ == "__main__": |
| 532 | test_main(verbose=True) |