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comparison: python/mock-1.0.0/tests/testhelpers.py
python/mock-1.0.0/tests/testhelpers.py
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| -1:000000000000 | 0:38e1405ccdc4 |
|---|---|
| 1 # Copyright (C) 2007-2012 Michael Foord & the mock team | |
| 2 # E-mail: fuzzyman AT voidspace DOT org DOT uk | |
| 3 # http://www.voidspace.org.uk/python/mock/ | |
| 4 | |
| 5 from tests.support import unittest2, inPy3k | |
| 6 | |
| 7 from mock import ( | |
| 8 call, _Call, create_autospec, MagicMock, | |
| 9 Mock, ANY, _CallList, patch, PropertyMock | |
| 10 ) | |
| 11 | |
| 12 from datetime import datetime | |
| 13 | |
| 14 class SomeClass(object): | |
| 15 def one(self, a, b): | |
| 16 pass | |
| 17 def two(self): | |
| 18 pass | |
| 19 def three(self, a=None): | |
| 20 pass | |
| 21 | |
| 22 | |
| 23 | |
| 24 class AnyTest(unittest2.TestCase): | |
| 25 | |
| 26 def test_any(self): | |
| 27 self.assertEqual(ANY, object()) | |
| 28 | |
| 29 mock = Mock() | |
| 30 mock(ANY) | |
| 31 mock.assert_called_with(ANY) | |
| 32 | |
| 33 mock = Mock() | |
| 34 mock(foo=ANY) | |
| 35 mock.assert_called_with(foo=ANY) | |
| 36 | |
| 37 def test_repr(self): | |
| 38 self.assertEqual(repr(ANY), '<ANY>') | |
| 39 self.assertEqual(str(ANY), '<ANY>') | |
| 40 | |
| 41 | |
| 42 def test_any_and_datetime(self): | |
| 43 mock = Mock() | |
| 44 mock(datetime.now(), foo=datetime.now()) | |
| 45 | |
| 46 mock.assert_called_with(ANY, foo=ANY) | |
| 47 | |
| 48 | |
| 49 def test_any_mock_calls_comparison_order(self): | |
| 50 mock = Mock() | |
| 51 d = datetime.now() | |
| 52 class Foo(object): | |
| 53 def __eq__(self, other): | |
| 54 return False | |
| 55 def __ne__(self, other): | |
| 56 return True | |
| 57 | |
| 58 for d in datetime.now(), Foo(): | |
| 59 mock.reset_mock() | |
| 60 | |
| 61 mock(d, foo=d, bar=d) | |
| 62 mock.method(d, zinga=d, alpha=d) | |
| 63 mock().method(a1=d, z99=d) | |
| 64 | |
| 65 expected = [ | |
| 66 call(ANY, foo=ANY, bar=ANY), | |
| 67 call.method(ANY, zinga=ANY, alpha=ANY), | |
| 68 call(), call().method(a1=ANY, z99=ANY) | |
| 69 ] | |
| 70 self.assertEqual(expected, mock.mock_calls) | |
| 71 self.assertEqual(mock.mock_calls, expected) | |
| 72 | |
| 73 | |
| 74 | |
| 75 class CallTest(unittest2.TestCase): | |
| 76 | |
| 77 def test_call_with_call(self): | |
| 78 kall = _Call() | |
| 79 self.assertEqual(kall, _Call()) | |
| 80 self.assertEqual(kall, _Call(('',))) | |
| 81 self.assertEqual(kall, _Call(((),))) | |
| 82 self.assertEqual(kall, _Call(({},))) | |
| 83 self.assertEqual(kall, _Call(('', ()))) | |
| 84 self.assertEqual(kall, _Call(('', {}))) | |
| 85 self.assertEqual(kall, _Call(('', (), {}))) | |
| 86 self.assertEqual(kall, _Call(('foo',))) | |
| 87 self.assertEqual(kall, _Call(('bar', ()))) | |
| 88 self.assertEqual(kall, _Call(('baz', {}))) | |
| 89 self.assertEqual(kall, _Call(('spam', (), {}))) | |
| 90 | |
| 91 kall = _Call(((1, 2, 3),)) | |
| 92 self.assertEqual(kall, _Call(((1, 2, 3),))) | |
| 93 self.assertEqual(kall, _Call(('', (1, 2, 3)))) | |
| 94 self.assertEqual(kall, _Call(((1, 2, 3), {}))) | |
| 95 self.assertEqual(kall, _Call(('', (1, 2, 3), {}))) | |
| 96 | |
| 97 kall = _Call(((1, 2, 4),)) | |
| 98 self.assertNotEqual(kall, _Call(('', (1, 2, 3)))) | |
| 99 self.assertNotEqual(kall, _Call(('', (1, 2, 3), {}))) | |
| 100 | |
| 101 kall = _Call(('foo', (1, 2, 4),)) | |
| 102 self.assertNotEqual(kall, _Call(('', (1, 2, 4)))) | |
| 103 self.assertNotEqual(kall, _Call(('', (1, 2, 4), {}))) | |
| 104 self.assertNotEqual(kall, _Call(('bar', (1, 2, 4)))) | |
| 105 self.assertNotEqual(kall, _Call(('bar', (1, 2, 4), {}))) | |
| 106 | |
| 107 kall = _Call(({'a': 3},)) | |
| 108 self.assertEqual(kall, _Call(('', (), {'a': 3}))) | |
| 109 self.assertEqual(kall, _Call(('', {'a': 3}))) | |
| 110 self.assertEqual(kall, _Call(((), {'a': 3}))) | |
| 111 self.assertEqual(kall, _Call(({'a': 3},))) | |
| 112 | |
| 113 | |
| 114 def test_empty__Call(self): | |
| 115 args = _Call() | |
| 116 | |
| 117 self.assertEqual(args, ()) | |
| 118 self.assertEqual(args, ('foo',)) | |
| 119 self.assertEqual(args, ((),)) | |
| 120 self.assertEqual(args, ('foo', ())) | |
| 121 self.assertEqual(args, ('foo',(), {})) | |
| 122 self.assertEqual(args, ('foo', {})) | |
| 123 self.assertEqual(args, ({},)) | |
| 124 | |
| 125 | |
| 126 def test_named_empty_call(self): | |
| 127 args = _Call(('foo', (), {})) | |
| 128 | |
| 129 self.assertEqual(args, ('foo',)) | |
| 130 self.assertEqual(args, ('foo', ())) | |
| 131 self.assertEqual(args, ('foo',(), {})) | |
| 132 self.assertEqual(args, ('foo', {})) | |
| 133 | |
| 134 self.assertNotEqual(args, ((),)) | |
| 135 self.assertNotEqual(args, ()) | |
| 136 self.assertNotEqual(args, ({},)) | |
| 137 self.assertNotEqual(args, ('bar',)) | |
| 138 self.assertNotEqual(args, ('bar', ())) | |
| 139 self.assertNotEqual(args, ('bar', {})) | |
| 140 | |
| 141 | |
| 142 def test_call_with_args(self): | |
| 143 args = _Call(((1, 2, 3), {})) | |
| 144 | |
| 145 self.assertEqual(args, ((1, 2, 3),)) | |
| 146 self.assertEqual(args, ('foo', (1, 2, 3))) | |
| 147 self.assertEqual(args, ('foo', (1, 2, 3), {})) | |
| 148 self.assertEqual(args, ((1, 2, 3), {})) | |
| 149 | |
| 150 | |
| 151 def test_named_call_with_args(self): | |
| 152 args = _Call(('foo', (1, 2, 3), {})) | |
| 153 | |
| 154 self.assertEqual(args, ('foo', (1, 2, 3))) | |
| 155 self.assertEqual(args, ('foo', (1, 2, 3), {})) | |
| 156 | |
| 157 self.assertNotEqual(args, ((1, 2, 3),)) | |
| 158 self.assertNotEqual(args, ((1, 2, 3), {})) | |
| 159 | |
| 160 | |
| 161 def test_call_with_kwargs(self): | |
| 162 args = _Call(((), dict(a=3, b=4))) | |
| 163 | |
| 164 self.assertEqual(args, (dict(a=3, b=4),)) | |
| 165 self.assertEqual(args, ('foo', dict(a=3, b=4))) | |
| 166 self.assertEqual(args, ('foo', (), dict(a=3, b=4))) | |
| 167 self.assertEqual(args, ((), dict(a=3, b=4))) | |
| 168 | |
| 169 | |
| 170 def test_named_call_with_kwargs(self): | |
| 171 args = _Call(('foo', (), dict(a=3, b=4))) | |
| 172 | |
| 173 self.assertEqual(args, ('foo', dict(a=3, b=4))) | |
| 174 self.assertEqual(args, ('foo', (), dict(a=3, b=4))) | |
| 175 | |
| 176 self.assertNotEqual(args, (dict(a=3, b=4),)) | |
| 177 self.assertNotEqual(args, ((), dict(a=3, b=4))) | |
| 178 | |
| 179 | |
| 180 def test_call_with_args_call_empty_name(self): | |
| 181 args = _Call(((1, 2, 3), {})) | |
| 182 self.assertEqual(args, call(1, 2, 3)) | |
| 183 self.assertEqual(call(1, 2, 3), args) | |
| 184 self.assertTrue(call(1, 2, 3) in [args]) | |
| 185 | |
| 186 | |
| 187 def test_call_ne(self): | |
| 188 self.assertNotEqual(_Call(((1, 2, 3),)), call(1, 2)) | |
| 189 self.assertFalse(_Call(((1, 2, 3),)) != call(1, 2, 3)) | |
| 190 self.assertTrue(_Call(((1, 2), {})) != call(1, 2, 3)) | |
| 191 | |
| 192 | |
| 193 def test_call_non_tuples(self): | |
| 194 kall = _Call(((1, 2, 3),)) | |
| 195 for value in 1, None, self, int: | |
| 196 self.assertNotEqual(kall, value) | |
| 197 self.assertFalse(kall == value) | |
| 198 | |
| 199 | |
| 200 def test_repr(self): | |
| 201 self.assertEqual(repr(_Call()), 'call()') | |
| 202 self.assertEqual(repr(_Call(('foo',))), 'call.foo()') | |
| 203 | |
| 204 self.assertEqual(repr(_Call(((1, 2, 3), {'a': 'b'}))), | |
| 205 "call(1, 2, 3, a='b')") | |
| 206 self.assertEqual(repr(_Call(('bar', (1, 2, 3), {'a': 'b'}))), | |
| 207 "call.bar(1, 2, 3, a='b')") | |
| 208 | |
| 209 self.assertEqual(repr(call), 'call') | |
| 210 self.assertEqual(str(call), 'call') | |
| 211 | |
| 212 self.assertEqual(repr(call()), 'call()') | |
| 213 self.assertEqual(repr(call(1)), 'call(1)') | |
| 214 self.assertEqual(repr(call(zz='thing')), "call(zz='thing')") | |
| 215 | |
| 216 self.assertEqual(repr(call().foo), 'call().foo') | |
| 217 self.assertEqual(repr(call(1).foo.bar(a=3).bing), | |
| 218 'call().foo.bar().bing') | |
| 219 self.assertEqual( | |
| 220 repr(call().foo(1, 2, a=3)), | |
| 221 "call().foo(1, 2, a=3)" | |
| 222 ) | |
| 223 self.assertEqual(repr(call()()), "call()()") | |
| 224 self.assertEqual(repr(call(1)(2)), "call()(2)") | |
| 225 self.assertEqual( | |
| 226 repr(call()().bar().baz.beep(1)), | |
| 227 "call()().bar().baz.beep(1)" | |
| 228 ) | |
| 229 | |
| 230 | |
| 231 def test_call(self): | |
| 232 self.assertEqual(call(), ('', (), {})) | |
| 233 self.assertEqual(call('foo', 'bar', one=3, two=4), | |
| 234 ('', ('foo', 'bar'), {'one': 3, 'two': 4})) | |
| 235 | |
| 236 mock = Mock() | |
| 237 mock(1, 2, 3) | |
| 238 mock(a=3, b=6) | |
| 239 self.assertEqual(mock.call_args_list, | |
| 240 [call(1, 2, 3), call(a=3, b=6)]) | |
| 241 | |
| 242 def test_attribute_call(self): | |
| 243 self.assertEqual(call.foo(1), ('foo', (1,), {})) | |
| 244 self.assertEqual(call.bar.baz(fish='eggs'), | |
| 245 ('bar.baz', (), {'fish': 'eggs'})) | |
| 246 | |
| 247 mock = Mock() | |
| 248 mock.foo(1, 2 ,3) | |
| 249 mock.bar.baz(a=3, b=6) | |
| 250 self.assertEqual(mock.method_calls, | |
| 251 [call.foo(1, 2, 3), call.bar.baz(a=3, b=6)]) | |
| 252 | |
| 253 | |
| 254 def test_extended_call(self): | |
| 255 result = call(1).foo(2).bar(3, a=4) | |
| 256 self.assertEqual(result, ('().foo().bar', (3,), dict(a=4))) | |
| 257 | |
| 258 mock = MagicMock() | |
| 259 mock(1, 2, a=3, b=4) | |
| 260 self.assertEqual(mock.call_args, call(1, 2, a=3, b=4)) | |
| 261 self.assertNotEqual(mock.call_args, call(1, 2, 3)) | |
| 262 | |
| 263 self.assertEqual(mock.call_args_list, [call(1, 2, a=3, b=4)]) | |
| 264 self.assertEqual(mock.mock_calls, [call(1, 2, a=3, b=4)]) | |
| 265 | |
| 266 mock = MagicMock() | |
| 267 mock.foo(1).bar()().baz.beep(a=6) | |
| 268 | |
| 269 last_call = call.foo(1).bar()().baz.beep(a=6) | |
| 270 self.assertEqual(mock.mock_calls[-1], last_call) | |
| 271 self.assertEqual(mock.mock_calls, last_call.call_list()) | |
| 272 | |
| 273 | |
| 274 def test_call_list(self): | |
| 275 mock = MagicMock() | |
| 276 mock(1) | |
| 277 self.assertEqual(call(1).call_list(), mock.mock_calls) | |
| 278 | |
| 279 mock = MagicMock() | |
| 280 mock(1).method(2) | |
| 281 self.assertEqual(call(1).method(2).call_list(), | |
| 282 mock.mock_calls) | |
| 283 | |
| 284 mock = MagicMock() | |
| 285 mock(1).method(2)(3) | |
| 286 self.assertEqual(call(1).method(2)(3).call_list(), | |
| 287 mock.mock_calls) | |
| 288 | |
| 289 mock = MagicMock() | |
| 290 int(mock(1).method(2)(3).foo.bar.baz(4)(5)) | |
| 291 kall = call(1).method(2)(3).foo.bar.baz(4)(5).__int__() | |
| 292 self.assertEqual(kall.call_list(), mock.mock_calls) | |
| 293 | |
| 294 | |
| 295 def test_call_any(self): | |
| 296 self.assertEqual(call, ANY) | |
| 297 | |
| 298 m = MagicMock() | |
| 299 int(m) | |
| 300 self.assertEqual(m.mock_calls, [ANY]) | |
| 301 self.assertEqual([ANY], m.mock_calls) | |
| 302 | |
| 303 | |
| 304 def test_two_args_call(self): | |
| 305 args = _Call(((1, 2), {'a': 3}), two=True) | |
| 306 self.assertEqual(len(args), 2) | |
| 307 self.assertEqual(args[0], (1, 2)) | |
| 308 self.assertEqual(args[1], {'a': 3}) | |
| 309 | |
| 310 other_args = _Call(((1, 2), {'a': 3})) | |
| 311 self.assertEqual(args, other_args) | |
| 312 | |
| 313 | |
| 314 class SpecSignatureTest(unittest2.TestCase): | |
| 315 | |
| 316 def _check_someclass_mock(self, mock): | |
| 317 self.assertRaises(AttributeError, getattr, mock, 'foo') | |
| 318 mock.one(1, 2) | |
| 319 mock.one.assert_called_with(1, 2) | |
| 320 self.assertRaises(AssertionError, | |
| 321 mock.one.assert_called_with, 3, 4) | |
| 322 self.assertRaises(TypeError, mock.one, 1) | |
| 323 | |
| 324 mock.two() | |
| 325 mock.two.assert_called_with() | |
| 326 self.assertRaises(AssertionError, | |
| 327 mock.two.assert_called_with, 3) | |
| 328 self.assertRaises(TypeError, mock.two, 1) | |
| 329 | |
| 330 mock.three() | |
| 331 mock.three.assert_called_with() | |
| 332 self.assertRaises(AssertionError, | |
| 333 mock.three.assert_called_with, 3) | |
| 334 self.assertRaises(TypeError, mock.three, 3, 2) | |
| 335 | |
| 336 mock.three(1) | |
| 337 mock.three.assert_called_with(1) | |
| 338 | |
| 339 mock.three(a=1) | |
| 340 mock.three.assert_called_with(a=1) | |
| 341 | |
| 342 | |
| 343 def test_basic(self): | |
| 344 for spec in (SomeClass, SomeClass()): | |
| 345 mock = create_autospec(spec) | |
| 346 self._check_someclass_mock(mock) | |
| 347 | |
| 348 | |
| 349 def test_create_autospec_return_value(self): | |
| 350 def f(): | |
| 351 pass | |
| 352 mock = create_autospec(f, return_value='foo') | |
| 353 self.assertEqual(mock(), 'foo') | |
| 354 | |
| 355 class Foo(object): | |
| 356 pass | |
| 357 | |
| 358 mock = create_autospec(Foo, return_value='foo') | |
| 359 self.assertEqual(mock(), 'foo') | |
| 360 | |
| 361 | |
| 362 def test_autospec_reset_mock(self): | |
| 363 m = create_autospec(int) | |
| 364 int(m) | |
| 365 m.reset_mock() | |
| 366 self.assertEqual(m.__int__.call_count, 0) | |
| 367 | |
| 368 | |
| 369 def test_mocking_unbound_methods(self): | |
| 370 class Foo(object): | |
| 371 def foo(self, foo): | |
| 372 pass | |
| 373 p = patch.object(Foo, 'foo') | |
| 374 mock_foo = p.start() | |
| 375 Foo().foo(1) | |
| 376 | |
| 377 mock_foo.assert_called_with(1) | |
| 378 | |
| 379 | |
| 380 @unittest2.expectedFailure | |
| 381 def test_create_autospec_unbound_methods(self): | |
| 382 # see issue 128 | |
| 383 class Foo(object): | |
| 384 def foo(self): | |
| 385 pass | |
| 386 | |
| 387 klass = create_autospec(Foo) | |
| 388 instance = klass() | |
| 389 self.assertRaises(TypeError, instance.foo, 1) | |
| 390 | |
| 391 # Note: no type checking on the "self" parameter | |
| 392 klass.foo(1) | |
| 393 klass.foo.assert_called_with(1) | |
| 394 self.assertRaises(TypeError, klass.foo) | |
| 395 | |
| 396 | |
| 397 def test_create_autospec_keyword_arguments(self): | |
| 398 class Foo(object): | |
| 399 a = 3 | |
| 400 m = create_autospec(Foo, a='3') | |
| 401 self.assertEqual(m.a, '3') | |
| 402 | |
| 403 @unittest2.skipUnless(inPy3k, "Keyword only arguments Python 3 specific") | |
| 404 def test_create_autospec_keyword_only_arguments(self): | |
| 405 func_def = "def foo(a, *, b=None):\n pass\n" | |
| 406 namespace = {} | |
| 407 exec (func_def, namespace) | |
| 408 foo = namespace['foo'] | |
| 409 | |
| 410 m = create_autospec(foo) | |
| 411 m(1) | |
| 412 m.assert_called_with(1) | |
| 413 self.assertRaises(TypeError, m, 1, 2) | |
| 414 | |
| 415 m(2, b=3) | |
| 416 m.assert_called_with(2, b=3) | |
| 417 | |
| 418 def test_function_as_instance_attribute(self): | |
| 419 obj = SomeClass() | |
| 420 def f(a): | |
| 421 pass | |
| 422 obj.f = f | |
| 423 | |
| 424 mock = create_autospec(obj) | |
| 425 mock.f('bing') | |
| 426 mock.f.assert_called_with('bing') | |
| 427 | |
| 428 | |
| 429 def test_spec_as_list(self): | |
| 430 # because spec as a list of strings in the mock constructor means | |
| 431 # something very different we treat a list instance as the type. | |
| 432 mock = create_autospec([]) | |
| 433 mock.append('foo') | |
| 434 mock.append.assert_called_with('foo') | |
| 435 | |
| 436 self.assertRaises(AttributeError, getattr, mock, 'foo') | |
| 437 | |
| 438 class Foo(object): | |
| 439 foo = [] | |
| 440 | |
| 441 mock = create_autospec(Foo) | |
| 442 mock.foo.append(3) | |
| 443 mock.foo.append.assert_called_with(3) | |
| 444 self.assertRaises(AttributeError, getattr, mock.foo, 'foo') | |
| 445 | |
| 446 | |
| 447 def test_attributes(self): | |
| 448 class Sub(SomeClass): | |
| 449 attr = SomeClass() | |
| 450 | |
| 451 sub_mock = create_autospec(Sub) | |
| 452 | |
| 453 for mock in (sub_mock, sub_mock.attr): | |
| 454 self._check_someclass_mock(mock) | |
| 455 | |
| 456 | |
| 457 def test_builtin_functions_types(self): | |
| 458 # we could replace builtin functions / methods with a function | |
| 459 # with *args / **kwargs signature. Using the builtin method type | |
| 460 # as a spec seems to work fairly well though. | |
| 461 class BuiltinSubclass(list): | |
| 462 def bar(self, arg): | |
| 463 pass | |
| 464 sorted = sorted | |
| 465 attr = {} | |
| 466 | |
| 467 mock = create_autospec(BuiltinSubclass) | |
| 468 mock.append(3) | |
| 469 mock.append.assert_called_with(3) | |
| 470 self.assertRaises(AttributeError, getattr, mock.append, 'foo') | |
| 471 | |
| 472 mock.bar('foo') | |
| 473 mock.bar.assert_called_with('foo') | |
| 474 self.assertRaises(TypeError, mock.bar, 'foo', 'bar') | |
| 475 self.assertRaises(AttributeError, getattr, mock.bar, 'foo') | |
| 476 | |
| 477 mock.sorted([1, 2]) | |
| 478 mock.sorted.assert_called_with([1, 2]) | |
| 479 self.assertRaises(AttributeError, getattr, mock.sorted, 'foo') | |
| 480 | |
| 481 mock.attr.pop(3) | |
| 482 mock.attr.pop.assert_called_with(3) | |
| 483 self.assertRaises(AttributeError, getattr, mock.attr, 'foo') | |
| 484 | |
| 485 | |
| 486 def test_method_calls(self): | |
| 487 class Sub(SomeClass): | |
| 488 attr = SomeClass() | |
| 489 | |
| 490 mock = create_autospec(Sub) | |
| 491 mock.one(1, 2) | |
| 492 mock.two() | |
| 493 mock.three(3) | |
| 494 | |
| 495 expected = [call.one(1, 2), call.two(), call.three(3)] | |
| 496 self.assertEqual(mock.method_calls, expected) | |
| 497 | |
| 498 mock.attr.one(1, 2) | |
| 499 mock.attr.two() | |
| 500 mock.attr.three(3) | |
| 501 | |
| 502 expected.extend( | |
| 503 [call.attr.one(1, 2), call.attr.two(), call.attr.three(3)] | |
| 504 ) | |
| 505 self.assertEqual(mock.method_calls, expected) | |
| 506 | |
| 507 | |
| 508 def test_magic_methods(self): | |
| 509 class BuiltinSubclass(list): | |
| 510 attr = {} | |
| 511 | |
| 512 mock = create_autospec(BuiltinSubclass) | |
| 513 self.assertEqual(list(mock), []) | |
| 514 self.assertRaises(TypeError, int, mock) | |
| 515 self.assertRaises(TypeError, int, mock.attr) | |
| 516 self.assertEqual(list(mock), []) | |
| 517 | |
| 518 self.assertIsInstance(mock['foo'], MagicMock) | |
| 519 self.assertIsInstance(mock.attr['foo'], MagicMock) | |
| 520 | |
| 521 | |
| 522 def test_spec_set(self): | |
| 523 class Sub(SomeClass): | |
| 524 attr = SomeClass() | |
| 525 | |
| 526 for spec in (Sub, Sub()): | |
| 527 mock = create_autospec(spec, spec_set=True) | |
| 528 self._check_someclass_mock(mock) | |
| 529 | |
| 530 self.assertRaises(AttributeError, setattr, mock, 'foo', 'bar') | |
| 531 self.assertRaises(AttributeError, setattr, mock.attr, 'foo', 'bar') | |
| 532 | |
| 533 | |
| 534 def test_descriptors(self): | |
| 535 class Foo(object): | |
| 536 @classmethod | |
| 537 def f(cls, a, b): | |
| 538 pass | |
| 539 @staticmethod | |
| 540 def g(a, b): | |
| 541 pass | |
| 542 | |
| 543 class Bar(Foo): | |
| 544 pass | |
| 545 | |
| 546 class Baz(SomeClass, Bar): | |
| 547 pass | |
| 548 | |
| 549 for spec in (Foo, Foo(), Bar, Bar(), Baz, Baz()): | |
| 550 mock = create_autospec(spec) | |
| 551 mock.f(1, 2) | |
| 552 mock.f.assert_called_once_with(1, 2) | |
| 553 | |
| 554 mock.g(3, 4) | |
| 555 mock.g.assert_called_once_with(3, 4) | |
| 556 | |
| 557 | |
| 558 @unittest2.skipIf(inPy3k, "No old style classes in Python 3") | |
| 559 def test_old_style_classes(self): | |
| 560 class Foo: | |
| 561 def f(self, a, b): | |
| 562 pass | |
| 563 | |
| 564 class Bar(Foo): | |
| 565 g = Foo() | |
| 566 | |
| 567 for spec in (Foo, Foo(), Bar, Bar()): | |
| 568 mock = create_autospec(spec) | |
| 569 mock.f(1, 2) | |
| 570 mock.f.assert_called_once_with(1, 2) | |
| 571 | |
| 572 self.assertRaises(AttributeError, getattr, mock, 'foo') | |
| 573 self.assertRaises(AttributeError, getattr, mock.f, 'foo') | |
| 574 | |
| 575 mock.g.f(1, 2) | |
| 576 mock.g.f.assert_called_once_with(1, 2) | |
| 577 self.assertRaises(AttributeError, getattr, mock.g, 'foo') | |
| 578 | |
| 579 | |
| 580 def test_recursive(self): | |
| 581 class A(object): | |
| 582 def a(self): | |
| 583 pass | |
| 584 foo = 'foo bar baz' | |
| 585 bar = foo | |
| 586 | |
| 587 A.B = A | |
| 588 mock = create_autospec(A) | |
| 589 | |
| 590 mock() | |
| 591 self.assertFalse(mock.B.called) | |
| 592 | |
| 593 mock.a() | |
| 594 mock.B.a() | |
| 595 self.assertEqual(mock.method_calls, [call.a(), call.B.a()]) | |
| 596 | |
| 597 self.assertIs(A.foo, A.bar) | |
| 598 self.assertIsNot(mock.foo, mock.bar) | |
| 599 mock.foo.lower() | |
| 600 self.assertRaises(AssertionError, mock.bar.lower.assert_called_with) | |
| 601 | |
| 602 | |
| 603 def test_spec_inheritance_for_classes(self): | |
| 604 class Foo(object): | |
| 605 def a(self): | |
| 606 pass | |
| 607 class Bar(object): | |
| 608 def f(self): | |
| 609 pass | |
| 610 | |
| 611 class_mock = create_autospec(Foo) | |
| 612 | |
| 613 self.assertIsNot(class_mock, class_mock()) | |
| 614 | |
| 615 for this_mock in class_mock, class_mock(): | |
| 616 this_mock.a() | |
| 617 this_mock.a.assert_called_with() | |
| 618 self.assertRaises(TypeError, this_mock.a, 'foo') | |
| 619 self.assertRaises(AttributeError, getattr, this_mock, 'b') | |
| 620 | |
| 621 instance_mock = create_autospec(Foo()) | |
| 622 instance_mock.a() | |
| 623 instance_mock.a.assert_called_with() | |
| 624 self.assertRaises(TypeError, instance_mock.a, 'foo') | |
| 625 self.assertRaises(AttributeError, getattr, instance_mock, 'b') | |
| 626 | |
| 627 # The return value isn't isn't callable | |
| 628 self.assertRaises(TypeError, instance_mock) | |
| 629 | |
| 630 instance_mock.Bar.f() | |
| 631 instance_mock.Bar.f.assert_called_with() | |
| 632 self.assertRaises(AttributeError, getattr, instance_mock.Bar, 'g') | |
| 633 | |
| 634 instance_mock.Bar().f() | |
| 635 instance_mock.Bar().f.assert_called_with() | |
| 636 self.assertRaises(AttributeError, getattr, instance_mock.Bar(), 'g') | |
| 637 | |
| 638 | |
| 639 def test_inherit(self): | |
| 640 class Foo(object): | |
| 641 a = 3 | |
| 642 | |
| 643 Foo.Foo = Foo | |
| 644 | |
| 645 # class | |
| 646 mock = create_autospec(Foo) | |
| 647 instance = mock() | |
| 648 self.assertRaises(AttributeError, getattr, instance, 'b') | |
| 649 | |
| 650 attr_instance = mock.Foo() | |
| 651 self.assertRaises(AttributeError, getattr, attr_instance, 'b') | |
| 652 | |
| 653 # instance | |
| 654 mock = create_autospec(Foo()) | |
| 655 self.assertRaises(AttributeError, getattr, mock, 'b') | |
| 656 self.assertRaises(TypeError, mock) | |
| 657 | |
| 658 # attribute instance | |
| 659 call_result = mock.Foo() | |
| 660 self.assertRaises(AttributeError, getattr, call_result, 'b') | |
| 661 | |
| 662 | |
| 663 def test_builtins(self): | |
| 664 # used to fail with infinite recursion | |
| 665 create_autospec(1) | |
| 666 | |
| 667 create_autospec(int) | |
| 668 create_autospec('foo') | |
| 669 create_autospec(str) | |
| 670 create_autospec({}) | |
| 671 create_autospec(dict) | |
| 672 create_autospec([]) | |
| 673 create_autospec(list) | |
| 674 create_autospec(set()) | |
| 675 create_autospec(set) | |
| 676 create_autospec(1.0) | |
| 677 create_autospec(float) | |
| 678 create_autospec(1j) | |
| 679 create_autospec(complex) | |
| 680 create_autospec(False) | |
| 681 create_autospec(True) | |
| 682 | |
| 683 | |
| 684 def test_function(self): | |
| 685 def f(a, b): | |
| 686 pass | |
| 687 | |
| 688 mock = create_autospec(f) | |
| 689 self.assertRaises(TypeError, mock) | |
| 690 mock(1, 2) | |
| 691 mock.assert_called_with(1, 2) | |
| 692 | |
| 693 f.f = f | |
| 694 mock = create_autospec(f) | |
| 695 self.assertRaises(TypeError, mock.f) | |
| 696 mock.f(3, 4) | |
| 697 mock.f.assert_called_with(3, 4) | |
| 698 | |
| 699 | |
| 700 def test_skip_attributeerrors(self): | |
| 701 class Raiser(object): | |
| 702 def __get__(self, obj, type=None): | |
| 703 if obj is None: | |
| 704 raise AttributeError('Can only be accessed via an instance') | |
| 705 | |
| 706 class RaiserClass(object): | |
| 707 raiser = Raiser() | |
| 708 | |
| 709 @staticmethod | |
| 710 def existing(a, b): | |
| 711 return a + b | |
| 712 | |
| 713 s = create_autospec(RaiserClass) | |
| 714 self.assertRaises(TypeError, lambda x: s.existing(1, 2, 3)) | |
| 715 s.existing(1, 2) | |
| 716 self.assertRaises(AttributeError, lambda: s.nonexisting) | |
| 717 | |
| 718 # check we can fetch the raiser attribute and it has no spec | |
| 719 obj = s.raiser | |
| 720 obj.foo, obj.bar | |
| 721 | |
| 722 | |
| 723 def test_signature_class(self): | |
| 724 class Foo(object): | |
| 725 def __init__(self, a, b=3): | |
| 726 pass | |
| 727 | |
| 728 mock = create_autospec(Foo) | |
| 729 | |
| 730 self.assertRaises(TypeError, mock) | |
| 731 mock(1) | |
| 732 mock.assert_called_once_with(1) | |
| 733 | |
| 734 mock(4, 5) | |
| 735 mock.assert_called_with(4, 5) | |
| 736 | |
| 737 | |
| 738 @unittest2.skipIf(inPy3k, 'no old style classes in Python 3') | |
| 739 def test_signature_old_style_class(self): | |
| 740 class Foo: | |
| 741 def __init__(self, a, b=3): | |
| 742 pass | |
| 743 | |
| 744 mock = create_autospec(Foo) | |
| 745 | |
| 746 self.assertRaises(TypeError, mock) | |
| 747 mock(1) | |
| 748 mock.assert_called_once_with(1) | |
| 749 | |
| 750 mock(4, 5) | |
| 751 mock.assert_called_with(4, 5) | |
| 752 | |
| 753 | |
| 754 def test_class_with_no_init(self): | |
| 755 # this used to raise an exception | |
| 756 # due to trying to get a signature from object.__init__ | |
| 757 class Foo(object): | |
| 758 pass | |
| 759 create_autospec(Foo) | |
| 760 | |
| 761 | |
| 762 @unittest2.skipIf(inPy3k, 'no old style classes in Python 3') | |
| 763 def test_old_style_class_with_no_init(self): | |
| 764 # this used to raise an exception | |
| 765 # due to Foo.__init__ raising an AttributeError | |
| 766 class Foo: | |
| 767 pass | |
| 768 create_autospec(Foo) | |
| 769 | |
| 770 | |
| 771 def test_signature_callable(self): | |
| 772 class Callable(object): | |
| 773 def __init__(self): | |
| 774 pass | |
| 775 def __call__(self, a): | |
| 776 pass | |
| 777 | |
| 778 mock = create_autospec(Callable) | |
| 779 mock() | |
| 780 mock.assert_called_once_with() | |
| 781 self.assertRaises(TypeError, mock, 'a') | |
| 782 | |
| 783 instance = mock() | |
| 784 self.assertRaises(TypeError, instance) | |
| 785 instance(a='a') | |
| 786 instance.assert_called_once_with(a='a') | |
| 787 instance('a') | |
| 788 instance.assert_called_with('a') | |
| 789 | |
| 790 mock = create_autospec(Callable()) | |
| 791 mock(a='a') | |
| 792 mock.assert_called_once_with(a='a') | |
| 793 self.assertRaises(TypeError, mock) | |
| 794 mock('a') | |
| 795 mock.assert_called_with('a') | |
| 796 | |
| 797 | |
| 798 def test_signature_noncallable(self): | |
| 799 class NonCallable(object): | |
| 800 def __init__(self): | |
| 801 pass | |
| 802 | |
| 803 mock = create_autospec(NonCallable) | |
| 804 instance = mock() | |
| 805 mock.assert_called_once_with() | |
| 806 self.assertRaises(TypeError, mock, 'a') | |
| 807 self.assertRaises(TypeError, instance) | |
| 808 self.assertRaises(TypeError, instance, 'a') | |
| 809 | |
| 810 mock = create_autospec(NonCallable()) | |
| 811 self.assertRaises(TypeError, mock) | |
| 812 self.assertRaises(TypeError, mock, 'a') | |
| 813 | |
| 814 | |
| 815 def test_create_autospec_none(self): | |
| 816 class Foo(object): | |
| 817 bar = None | |
| 818 | |
| 819 mock = create_autospec(Foo) | |
| 820 none = mock.bar | |
| 821 self.assertNotIsInstance(none, type(None)) | |
| 822 | |
| 823 none.foo() | |
| 824 none.foo.assert_called_once_with() | |
| 825 | |
| 826 | |
| 827 def test_autospec_functions_with_self_in_odd_place(self): | |
| 828 class Foo(object): | |
| 829 def f(a, self): | |
| 830 pass | |
| 831 | |
| 832 a = create_autospec(Foo) | |
| 833 a.f(self=10) | |
| 834 a.f.assert_called_with(self=10) | |
| 835 | |
| 836 | |
| 837 def test_autospec_property(self): | |
| 838 class Foo(object): | |
| 839 @property | |
| 840 def foo(self): | |
| 841 return 3 | |
| 842 | |
| 843 foo = create_autospec(Foo) | |
| 844 mock_property = foo.foo | |
| 845 | |
| 846 # no spec on properties | |
| 847 self.assertTrue(isinstance(mock_property, MagicMock)) | |
| 848 mock_property(1, 2, 3) | |
| 849 mock_property.abc(4, 5, 6) | |
| 850 mock_property.assert_called_once_with(1, 2, 3) | |
| 851 mock_property.abc.assert_called_once_with(4, 5, 6) | |
| 852 | |
| 853 | |
| 854 def test_autospec_slots(self): | |
| 855 class Foo(object): | |
| 856 __slots__ = ['a'] | |
| 857 | |
| 858 foo = create_autospec(Foo) | |
| 859 mock_slot = foo.a | |
| 860 | |
| 861 # no spec on slots | |
| 862 mock_slot(1, 2, 3) | |
| 863 mock_slot.abc(4, 5, 6) | |
| 864 mock_slot.assert_called_once_with(1, 2, 3) | |
| 865 mock_slot.abc.assert_called_once_with(4, 5, 6) | |
| 866 | |
| 867 | |
| 868 class TestCallList(unittest2.TestCase): | |
| 869 | |
| 870 def test_args_list_contains_call_list(self): | |
| 871 mock = Mock() | |
| 872 self.assertIsInstance(mock.call_args_list, _CallList) | |
| 873 | |
| 874 mock(1, 2) | |
| 875 mock(a=3) | |
| 876 mock(3, 4) | |
| 877 mock(b=6) | |
| 878 | |
| 879 for kall in call(1, 2), call(a=3), call(3, 4), call(b=6): | |
| 880 self.assertTrue(kall in mock.call_args_list) | |
| 881 | |
| 882 calls = [call(a=3), call(3, 4)] | |
| 883 self.assertTrue(calls in mock.call_args_list) | |
| 884 calls = [call(1, 2), call(a=3)] | |
| 885 self.assertTrue(calls in mock.call_args_list) | |
| 886 calls = [call(3, 4), call(b=6)] | |
| 887 self.assertTrue(calls in mock.call_args_list) | |
| 888 calls = [call(3, 4)] | |
| 889 self.assertTrue(calls in mock.call_args_list) | |
| 890 | |
| 891 self.assertFalse(call('fish') in mock.call_args_list) | |
| 892 self.assertFalse([call('fish')] in mock.call_args_list) | |
| 893 | |
| 894 | |
| 895 def test_call_list_str(self): | |
| 896 mock = Mock() | |
| 897 mock(1, 2) | |
| 898 mock.foo(a=3) | |
| 899 mock.foo.bar().baz('fish', cat='dog') | |
| 900 | |
| 901 expected = ( | |
| 902 "[call(1, 2),\n" | |
| 903 " call.foo(a=3),\n" | |
| 904 " call.foo.bar(),\n" | |
| 905 " call.foo.bar().baz('fish', cat='dog')]" | |
| 906 ) | |
| 907 self.assertEqual(str(mock.mock_calls), expected) | |
| 908 | |
| 909 | |
| 910 def test_propertymock(self): | |
| 911 p = patch('%s.SomeClass.one' % __name__, new_callable=PropertyMock) | |
| 912 mock = p.start() | |
| 913 try: | |
| 914 SomeClass.one | |
| 915 mock.assert_called_once_with() | |
| 916 | |
| 917 s = SomeClass() | |
| 918 s.one | |
| 919 mock.assert_called_with() | |
| 920 self.assertEqual(mock.mock_calls, [call(), call()]) | |
| 921 | |
| 922 s.one = 3 | |
| 923 self.assertEqual(mock.mock_calls, [call(), call(), call(3)]) | |
| 924 finally: | |
| 925 p.stop() | |
| 926 | |
| 927 | |
| 928 def test_propertymock_returnvalue(self): | |
| 929 m = MagicMock() | |
| 930 p = PropertyMock() | |
| 931 type(m).foo = p | |
| 932 | |
| 933 returned = m.foo | |
| 934 p.assert_called_once_with() | |
| 935 self.assertIsInstance(returned, MagicMock) | |
| 936 self.assertNotIsInstance(returned, PropertyMock) | |
| 937 | |
| 938 | |
| 939 if __name__ == '__main__': | |
| 940 unittest2.main() |
