1.. _`tbreportdemo`: 2 3Demo of Python failure reports with pytest 4========================================== 5 6Here is a nice run of several failures and how ``pytest`` presents things: 7 8.. code-block:: pytest 9 10 assertion $ pytest failure_demo.py 11 =========================== test session starts ============================ 12 platform linux -- Python 3.x.y, pytest-6.x.y, py-1.x.y, pluggy-0.x.y 13 cachedir: $PYTHON_PREFIX/.pytest_cache 14 rootdir: $REGENDOC_TMPDIR/assertion 15 collected 44 items 16 17 failure_demo.py FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF [100%] 18 19 ================================= FAILURES ================================= 20 ___________________________ test_generative[3-6] ___________________________ 21 22 param1 = 3, param2 = 6 23 24 @pytest.mark.parametrize("param1, param2", [(3, 6)]) 25 def test_generative(param1, param2): 26 > assert param1 * 2 < param2 27 E assert (3 * 2) < 6 28 29 failure_demo.py:19: AssertionError 30 _________________________ TestFailing.test_simple __________________________ 31 32 self = <failure_demo.TestFailing object at 0xdeadbeef> 33 34 def test_simple(self): 35 def f(): 36 return 42 37 38 def g(): 39 return 43 40 41 > assert f() == g() 42 E assert 42 == 43 43 E + where 42 = <function TestFailing.test_simple.<locals>.f at 0xdeadbeef>() 44 E + and 43 = <function TestFailing.test_simple.<locals>.g at 0xdeadbeef>() 45 46 failure_demo.py:30: AssertionError 47 ____________________ TestFailing.test_simple_multiline _____________________ 48 49 self = <failure_demo.TestFailing object at 0xdeadbeef> 50 51 def test_simple_multiline(self): 52 > otherfunc_multi(42, 6 * 9) 53 54 failure_demo.py:33: 55 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 56 57 a = 42, b = 54 58 59 def otherfunc_multi(a, b): 60 > assert a == b 61 E assert 42 == 54 62 63 failure_demo.py:14: AssertionError 64 ___________________________ TestFailing.test_not ___________________________ 65 66 self = <failure_demo.TestFailing object at 0xdeadbeef> 67 68 def test_not(self): 69 def f(): 70 return 42 71 72 > assert not f() 73 E assert not 42 74 E + where 42 = <function TestFailing.test_not.<locals>.f at 0xdeadbeef>() 75 76 failure_demo.py:39: AssertionError 77 _________________ TestSpecialisedExplanations.test_eq_text _________________ 78 79 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 80 81 def test_eq_text(self): 82 > assert "spam" == "eggs" 83 E AssertionError: assert 'spam' == 'eggs' 84 E - eggs 85 E + spam 86 87 failure_demo.py:44: AssertionError 88 _____________ TestSpecialisedExplanations.test_eq_similar_text _____________ 89 90 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 91 92 def test_eq_similar_text(self): 93 > assert "foo 1 bar" == "foo 2 bar" 94 E AssertionError: assert 'foo 1 bar' == 'foo 2 bar' 95 E - foo 2 bar 96 E ? ^ 97 E + foo 1 bar 98 E ? ^ 99 100 failure_demo.py:47: AssertionError 101 ____________ TestSpecialisedExplanations.test_eq_multiline_text ____________ 102 103 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 104 105 def test_eq_multiline_text(self): 106 > assert "foo\nspam\nbar" == "foo\neggs\nbar" 107 E AssertionError: assert 'foo\nspam\nbar' == 'foo\neggs\nbar' 108 E foo 109 E - eggs 110 E + spam 111 E bar 112 113 failure_demo.py:50: AssertionError 114 ______________ TestSpecialisedExplanations.test_eq_long_text _______________ 115 116 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 117 118 def test_eq_long_text(self): 119 a = "1" * 100 + "a" + "2" * 100 120 b = "1" * 100 + "b" + "2" * 100 121 > assert a == b 122 E AssertionError: assert '111111111111...2222222222222' == '111111111111...2222222222222' 123 E Skipping 90 identical leading characters in diff, use -v to show 124 E Skipping 91 identical trailing characters in diff, use -v to show 125 E - 1111111111b222222222 126 E ? ^ 127 E + 1111111111a222222222 128 E ? ^ 129 130 failure_demo.py:55: AssertionError 131 _________ TestSpecialisedExplanations.test_eq_long_text_multiline __________ 132 133 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 134 135 def test_eq_long_text_multiline(self): 136 a = "1\n" * 100 + "a" + "2\n" * 100 137 b = "1\n" * 100 + "b" + "2\n" * 100 138 > assert a == b 139 E AssertionError: assert '1\n1\n1\n1\n...n2\n2\n2\n2\n' == '1\n1\n1\n1\n...n2\n2\n2\n2\n' 140 E Skipping 190 identical leading characters in diff, use -v to show 141 E Skipping 191 identical trailing characters in diff, use -v to show 142 E 1 143 E 1 144 E 1 145 E 1 146 E 1... 147 E 148 E ...Full output truncated (7 lines hidden), use '-vv' to show 149 150 failure_demo.py:60: AssertionError 151 _________________ TestSpecialisedExplanations.test_eq_list _________________ 152 153 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 154 155 def test_eq_list(self): 156 > assert [0, 1, 2] == [0, 1, 3] 157 E assert [0, 1, 2] == [0, 1, 3] 158 E At index 2 diff: 2 != 3 159 E Use -v to get the full diff 160 161 failure_demo.py:63: AssertionError 162 ______________ TestSpecialisedExplanations.test_eq_list_long _______________ 163 164 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 165 166 def test_eq_list_long(self): 167 a = [0] * 100 + [1] + [3] * 100 168 b = [0] * 100 + [2] + [3] * 100 169 > assert a == b 170 E assert [0, 0, 0, 0, 0, 0, ...] == [0, 0, 0, 0, 0, 0, ...] 171 E At index 100 diff: 1 != 2 172 E Use -v to get the full diff 173 174 failure_demo.py:68: AssertionError 175 _________________ TestSpecialisedExplanations.test_eq_dict _________________ 176 177 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 178 179 def test_eq_dict(self): 180 > assert {"a": 0, "b": 1, "c": 0} == {"a": 0, "b": 2, "d": 0} 181 E AssertionError: assert {'a': 0, 'b': 1, 'c': 0} == {'a': 0, 'b': 2, 'd': 0} 182 E Omitting 1 identical items, use -vv to show 183 E Differing items: 184 E {'b': 1} != {'b': 2} 185 E Left contains 1 more item: 186 E {'c': 0} 187 E Right contains 1 more item: 188 E {'d': 0}... 189 E 190 E ...Full output truncated (2 lines hidden), use '-vv' to show 191 192 failure_demo.py:71: AssertionError 193 _________________ TestSpecialisedExplanations.test_eq_set __________________ 194 195 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 196 197 def test_eq_set(self): 198 > assert {0, 10, 11, 12} == {0, 20, 21} 199 E AssertionError: assert {0, 10, 11, 12} == {0, 20, 21} 200 E Extra items in the left set: 201 E 10 202 E 11 203 E 12 204 E Extra items in the right set: 205 E 20 206 E 21... 207 E 208 E ...Full output truncated (2 lines hidden), use '-vv' to show 209 210 failure_demo.py:74: AssertionError 211 _____________ TestSpecialisedExplanations.test_eq_longer_list ______________ 212 213 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 214 215 def test_eq_longer_list(self): 216 > assert [1, 2] == [1, 2, 3] 217 E assert [1, 2] == [1, 2, 3] 218 E Right contains one more item: 3 219 E Use -v to get the full diff 220 221 failure_demo.py:77: AssertionError 222 _________________ TestSpecialisedExplanations.test_in_list _________________ 223 224 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 225 226 def test_in_list(self): 227 > assert 1 in [0, 2, 3, 4, 5] 228 E assert 1 in [0, 2, 3, 4, 5] 229 230 failure_demo.py:80: AssertionError 231 __________ TestSpecialisedExplanations.test_not_in_text_multiline __________ 232 233 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 234 235 def test_not_in_text_multiline(self): 236 text = "some multiline\ntext\nwhich\nincludes foo\nand a\ntail" 237 > assert "foo" not in text 238 E AssertionError: assert 'foo' not in 'some multil...nand a\ntail' 239 E 'foo' is contained here: 240 E some multiline 241 E text 242 E which 243 E includes foo 244 E ? +++ 245 E and a... 246 E 247 E ...Full output truncated (2 lines hidden), use '-vv' to show 248 249 failure_demo.py:84: AssertionError 250 ___________ TestSpecialisedExplanations.test_not_in_text_single ____________ 251 252 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 253 254 def test_not_in_text_single(self): 255 text = "single foo line" 256 > assert "foo" not in text 257 E AssertionError: assert 'foo' not in 'single foo line' 258 E 'foo' is contained here: 259 E single foo line 260 E ? +++ 261 262 failure_demo.py:88: AssertionError 263 _________ TestSpecialisedExplanations.test_not_in_text_single_long _________ 264 265 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 266 267 def test_not_in_text_single_long(self): 268 text = "head " * 50 + "foo " + "tail " * 20 269 > assert "foo" not in text 270 E AssertionError: assert 'foo' not in 'head head h...l tail tail ' 271 E 'foo' is contained here: 272 E head head foo tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail 273 E ? +++ 274 275 failure_demo.py:92: AssertionError 276 ______ TestSpecialisedExplanations.test_not_in_text_single_long_term _______ 277 278 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 279 280 def test_not_in_text_single_long_term(self): 281 text = "head " * 50 + "f" * 70 + "tail " * 20 282 > assert "f" * 70 not in text 283 E AssertionError: assert 'fffffffffff...ffffffffffff' not in 'head head h...l tail tail ' 284 E 'ffffffffffffffffff...fffffffffffffffffff' is contained here: 285 E head head fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffftail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail 286 E ? ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 287 288 failure_demo.py:96: AssertionError 289 ______________ TestSpecialisedExplanations.test_eq_dataclass _______________ 290 291 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 292 293 def test_eq_dataclass(self): 294 from dataclasses import dataclass 295 296 @dataclass 297 class Foo: 298 a: int 299 b: str 300 301 left = Foo(1, "b") 302 right = Foo(1, "c") 303 > assert left == right 304 E AssertionError: assert TestSpecialis...oo(a=1, b='b') == TestSpecialis...oo(a=1, b='c') 305 E 306 E Omitting 1 identical items, use -vv to show 307 E Differing attributes: 308 E ['b'] 309 E 310 E Drill down into differing attribute b: 311 E b: 'b' != 'c'... 312 E 313 E ...Full output truncated (3 lines hidden), use '-vv' to show 314 315 failure_demo.py:108: AssertionError 316 ________________ TestSpecialisedExplanations.test_eq_attrs _________________ 317 318 self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> 319 320 def test_eq_attrs(self): 321 import attr 322 323 @attr.s 324 class Foo: 325 a = attr.ib() 326 b = attr.ib() 327 328 left = Foo(1, "b") 329 right = Foo(1, "c") 330 > assert left == right 331 E AssertionError: assert Foo(a=1, b='b') == Foo(a=1, b='c') 332 E 333 E Omitting 1 identical items, use -vv to show 334 E Differing attributes: 335 E ['b'] 336 E 337 E Drill down into differing attribute b: 338 E b: 'b' != 'c'... 339 E 340 E ...Full output truncated (3 lines hidden), use '-vv' to show 341 342 failure_demo.py:120: AssertionError 343 ______________________________ test_attribute ______________________________ 344 345 def test_attribute(): 346 class Foo: 347 b = 1 348 349 i = Foo() 350 > assert i.b == 2 351 E assert 1 == 2 352 E + where 1 = <failure_demo.test_attribute.<locals>.Foo object at 0xdeadbeef>.b 353 354 failure_demo.py:128: AssertionError 355 _________________________ test_attribute_instance __________________________ 356 357 def test_attribute_instance(): 358 class Foo: 359 b = 1 360 361 > assert Foo().b == 2 362 E AssertionError: assert 1 == 2 363 E + where 1 = <failure_demo.test_attribute_instance.<locals>.Foo object at 0xdeadbeef>.b 364 E + where <failure_demo.test_attribute_instance.<locals>.Foo object at 0xdeadbeef> = <class 'failure_demo.test_attribute_instance.<locals>.Foo'>() 365 366 failure_demo.py:135: AssertionError 367 __________________________ test_attribute_failure __________________________ 368 369 def test_attribute_failure(): 370 class Foo: 371 def _get_b(self): 372 raise Exception("Failed to get attrib") 373 374 b = property(_get_b) 375 376 i = Foo() 377 > assert i.b == 2 378 379 failure_demo.py:146: 380 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 381 382 self = <failure_demo.test_attribute_failure.<locals>.Foo object at 0xdeadbeef> 383 384 def _get_b(self): 385 > raise Exception("Failed to get attrib") 386 E Exception: Failed to get attrib 387 388 failure_demo.py:141: Exception 389 _________________________ test_attribute_multiple __________________________ 390 391 def test_attribute_multiple(): 392 class Foo: 393 b = 1 394 395 class Bar: 396 b = 2 397 398 > assert Foo().b == Bar().b 399 E AssertionError: assert 1 == 2 400 E + where 1 = <failure_demo.test_attribute_multiple.<locals>.Foo object at 0xdeadbeef>.b 401 E + where <failure_demo.test_attribute_multiple.<locals>.Foo object at 0xdeadbeef> = <class 'failure_demo.test_attribute_multiple.<locals>.Foo'>() 402 E + and 2 = <failure_demo.test_attribute_multiple.<locals>.Bar object at 0xdeadbeef>.b 403 E + where <failure_demo.test_attribute_multiple.<locals>.Bar object at 0xdeadbeef> = <class 'failure_demo.test_attribute_multiple.<locals>.Bar'>() 404 405 failure_demo.py:156: AssertionError 406 __________________________ TestRaises.test_raises __________________________ 407 408 self = <failure_demo.TestRaises object at 0xdeadbeef> 409 410 def test_raises(self): 411 s = "qwe" 412 > raises(TypeError, int, s) 413 E ValueError: invalid literal for int() with base 10: 'qwe' 414 415 failure_demo.py:166: ValueError 416 ______________________ TestRaises.test_raises_doesnt _______________________ 417 418 self = <failure_demo.TestRaises object at 0xdeadbeef> 419 420 def test_raises_doesnt(self): 421 > raises(OSError, int, "3") 422 E Failed: DID NOT RAISE <class 'OSError'> 423 424 failure_demo.py:169: Failed 425 __________________________ TestRaises.test_raise ___________________________ 426 427 self = <failure_demo.TestRaises object at 0xdeadbeef> 428 429 def test_raise(self): 430 > raise ValueError("demo error") 431 E ValueError: demo error 432 433 failure_demo.py:172: ValueError 434 ________________________ TestRaises.test_tupleerror ________________________ 435 436 self = <failure_demo.TestRaises object at 0xdeadbeef> 437 438 def test_tupleerror(self): 439 > a, b = [1] # NOQA 440 E ValueError: not enough values to unpack (expected 2, got 1) 441 442 failure_demo.py:175: ValueError 443 ______ TestRaises.test_reinterpret_fails_with_print_for_the_fun_of_it ______ 444 445 self = <failure_demo.TestRaises object at 0xdeadbeef> 446 447 def test_reinterpret_fails_with_print_for_the_fun_of_it(self): 448 items = [1, 2, 3] 449 print("items is {!r}".format(items)) 450 > a, b = items.pop() 451 E TypeError: cannot unpack non-iterable int object 452 453 failure_demo.py:180: TypeError 454 --------------------------- Captured stdout call --------------------------- 455 items is [1, 2, 3] 456 ________________________ TestRaises.test_some_error ________________________ 457 458 self = <failure_demo.TestRaises object at 0xdeadbeef> 459 460 def test_some_error(self): 461 > if namenotexi: # NOQA 462 E NameError: name 'namenotexi' is not defined 463 464 failure_demo.py:183: NameError 465 ____________________ test_dynamic_compile_shows_nicely _____________________ 466 467 def test_dynamic_compile_shows_nicely(): 468 import importlib.util 469 import sys 470 471 src = "def foo():\n assert 1 == 0\n" 472 name = "abc-123" 473 spec = importlib.util.spec_from_loader(name, loader=None) 474 module = importlib.util.module_from_spec(spec) 475 code = compile(src, name, "exec") 476 exec(code, module.__dict__) 477 sys.modules[name] = module 478 > module.foo() 479 480 failure_demo.py:202: 481 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 482 483 > ??? 484 E AssertionError 485 486 abc-123:2: AssertionError 487 ____________________ TestMoreErrors.test_complex_error _____________________ 488 489 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 490 491 def test_complex_error(self): 492 def f(): 493 return 44 494 495 def g(): 496 return 43 497 498 > somefunc(f(), g()) 499 500 failure_demo.py:213: 501 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 502 failure_demo.py:10: in somefunc 503 otherfunc(x, y) 504 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 505 506 a = 44, b = 43 507 508 def otherfunc(a, b): 509 > assert a == b 510 E assert 44 == 43 511 512 failure_demo.py:6: AssertionError 513 ___________________ TestMoreErrors.test_z1_unpack_error ____________________ 514 515 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 516 517 def test_z1_unpack_error(self): 518 items = [] 519 > a, b = items 520 E ValueError: not enough values to unpack (expected 2, got 0) 521 522 failure_demo.py:217: ValueError 523 ____________________ TestMoreErrors.test_z2_type_error _____________________ 524 525 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 526 527 def test_z2_type_error(self): 528 items = 3 529 > a, b = items 530 E TypeError: cannot unpack non-iterable int object 531 532 failure_demo.py:221: TypeError 533 ______________________ TestMoreErrors.test_startswith ______________________ 534 535 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 536 537 def test_startswith(self): 538 s = "123" 539 g = "456" 540 > assert s.startswith(g) 541 E AssertionError: assert False 542 E + where False = <built-in method startswith of str object at 0xdeadbeef>('456') 543 E + where <built-in method startswith of str object at 0xdeadbeef> = '123'.startswith 544 545 failure_demo.py:226: AssertionError 546 __________________ TestMoreErrors.test_startswith_nested ___________________ 547 548 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 549 550 def test_startswith_nested(self): 551 def f(): 552 return "123" 553 554 def g(): 555 return "456" 556 557 > assert f().startswith(g()) 558 E AssertionError: assert False 559 E + where False = <built-in method startswith of str object at 0xdeadbeef>('456') 560 E + where <built-in method startswith of str object at 0xdeadbeef> = '123'.startswith 561 E + where '123' = <function TestMoreErrors.test_startswith_nested.<locals>.f at 0xdeadbeef>() 562 E + and '456' = <function TestMoreErrors.test_startswith_nested.<locals>.g at 0xdeadbeef>() 563 564 failure_demo.py:235: AssertionError 565 _____________________ TestMoreErrors.test_global_func ______________________ 566 567 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 568 569 def test_global_func(self): 570 > assert isinstance(globf(42), float) 571 E assert False 572 E + where False = isinstance(43, float) 573 E + where 43 = globf(42) 574 575 failure_demo.py:238: AssertionError 576 _______________________ TestMoreErrors.test_instance _______________________ 577 578 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 579 580 def test_instance(self): 581 self.x = 6 * 7 582 > assert self.x != 42 583 E assert 42 != 42 584 E + where 42 = <failure_demo.TestMoreErrors object at 0xdeadbeef>.x 585 586 failure_demo.py:242: AssertionError 587 _______________________ TestMoreErrors.test_compare ________________________ 588 589 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 590 591 def test_compare(self): 592 > assert globf(10) < 5 593 E assert 11 < 5 594 E + where 11 = globf(10) 595 596 failure_demo.py:245: AssertionError 597 _____________________ TestMoreErrors.test_try_finally ______________________ 598 599 self = <failure_demo.TestMoreErrors object at 0xdeadbeef> 600 601 def test_try_finally(self): 602 x = 1 603 try: 604 > assert x == 0 605 E assert 1 == 0 606 607 failure_demo.py:250: AssertionError 608 ___________________ TestCustomAssertMsg.test_single_line ___________________ 609 610 self = <failure_demo.TestCustomAssertMsg object at 0xdeadbeef> 611 612 def test_single_line(self): 613 class A: 614 a = 1 615 616 b = 2 617 > assert A.a == b, "A.a appears not to be b" 618 E AssertionError: A.a appears not to be b 619 E assert 1 == 2 620 E + where 1 = <class 'failure_demo.TestCustomAssertMsg.test_single_line.<locals>.A'>.a 621 622 failure_demo.py:261: AssertionError 623 ____________________ TestCustomAssertMsg.test_multiline ____________________ 624 625 self = <failure_demo.TestCustomAssertMsg object at 0xdeadbeef> 626 627 def test_multiline(self): 628 class A: 629 a = 1 630 631 b = 2 632 > assert ( 633 A.a == b 634 ), "A.a appears not to be b\nor does not appear to be b\none of those" 635 E AssertionError: A.a appears not to be b 636 E or does not appear to be b 637 E one of those 638 E assert 1 == 2 639 E + where 1 = <class 'failure_demo.TestCustomAssertMsg.test_multiline.<locals>.A'>.a 640 641 failure_demo.py:268: AssertionError 642 ___________________ TestCustomAssertMsg.test_custom_repr ___________________ 643 644 self = <failure_demo.TestCustomAssertMsg object at 0xdeadbeef> 645 646 def test_custom_repr(self): 647 class JSON: 648 a = 1 649 650 def __repr__(self): 651 return "This is JSON\n{\n 'foo': 'bar'\n}" 652 653 a = JSON() 654 b = 2 655 > assert a.a == b, a 656 E AssertionError: This is JSON 657 E { 658 E 'foo': 'bar' 659 E } 660 E assert 1 == 2 661 E + where 1 = This is JSON\n{\n 'foo': 'bar'\n}.a 662 663 failure_demo.py:281: AssertionError 664 ========================= short test summary info ========================== 665 FAILED failure_demo.py::test_generative[3-6] - assert (3 * 2) < 6 666 FAILED failure_demo.py::TestFailing::test_simple - assert 42 == 43 667 FAILED failure_demo.py::TestFailing::test_simple_multiline - assert 42 == 54 668 FAILED failure_demo.py::TestFailing::test_not - assert not 42 669 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_text - Asser... 670 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_similar_text 671 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_multiline_text 672 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_long_text - ... 673 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_long_text_multiline 674 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_list - asser... 675 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_list_long - ... 676 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_dict - Asser... 677 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_set - Assert... 678 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_longer_list 679 FAILED failure_demo.py::TestSpecialisedExplanations::test_in_list - asser... 680 FAILED failure_demo.py::TestSpecialisedExplanations::test_not_in_text_multiline 681 FAILED failure_demo.py::TestSpecialisedExplanations::test_not_in_text_single 682 FAILED failure_demo.py::TestSpecialisedExplanations::test_not_in_text_single_long 683 FAILED failure_demo.py::TestSpecialisedExplanations::test_not_in_text_single_long_term 684 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_dataclass - ... 685 FAILED failure_demo.py::TestSpecialisedExplanations::test_eq_attrs - Asse... 686 FAILED failure_demo.py::test_attribute - assert 1 == 2 687 FAILED failure_demo.py::test_attribute_instance - AssertionError: assert ... 688 FAILED failure_demo.py::test_attribute_failure - Exception: Failed to get... 689 FAILED failure_demo.py::test_attribute_multiple - AssertionError: assert ... 690 FAILED failure_demo.py::TestRaises::test_raises - ValueError: invalid lit... 691 FAILED failure_demo.py::TestRaises::test_raises_doesnt - Failed: DID NOT ... 692 FAILED failure_demo.py::TestRaises::test_raise - ValueError: demo error 693 FAILED failure_demo.py::TestRaises::test_tupleerror - ValueError: not eno... 694 FAILED failure_demo.py::TestRaises::test_reinterpret_fails_with_print_for_the_fun_of_it 695 FAILED failure_demo.py::TestRaises::test_some_error - NameError: name 'na... 696 FAILED failure_demo.py::test_dynamic_compile_shows_nicely - AssertionError 697 FAILED failure_demo.py::TestMoreErrors::test_complex_error - assert 44 == 43 698 FAILED failure_demo.py::TestMoreErrors::test_z1_unpack_error - ValueError... 699 FAILED failure_demo.py::TestMoreErrors::test_z2_type_error - TypeError: c... 700 FAILED failure_demo.py::TestMoreErrors::test_startswith - AssertionError:... 701 FAILED failure_demo.py::TestMoreErrors::test_startswith_nested - Assertio... 702 FAILED failure_demo.py::TestMoreErrors::test_global_func - assert False 703 FAILED failure_demo.py::TestMoreErrors::test_instance - assert 42 != 42 704 FAILED failure_demo.py::TestMoreErrors::test_compare - assert 11 < 5 705 FAILED failure_demo.py::TestMoreErrors::test_try_finally - assert 1 == 0 706 FAILED failure_demo.py::TestCustomAssertMsg::test_single_line - Assertion... 707 FAILED failure_demo.py::TestCustomAssertMsg::test_multiline - AssertionEr... 708 FAILED failure_demo.py::TestCustomAssertMsg::test_custom_repr - Assertion... 709 ============================ 44 failed in 0.12s ============================ 710