/usr/lib/python2.7/dist-packages/unittest2/test/test_case.py is in python-unittest2 1.1.0-6.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 | import contextlib
from copy import deepcopy
import difflib
import gc
import pickle
import pprint
import re
import sys
import logging
import six
from six import b, u
import unittest2
import unittest2 as unittest
from unittest2.test.support import (
OldTestResult, EqualityMixin, HashingMixin, LoggingResult,
LegacyLoggingResult
)
from .support import captured_stderr
log_foo = logging.getLogger('foo')
log_foobar = logging.getLogger('foo.bar')
log_quux = logging.getLogger('quux')
class MyException(Exception):
pass
class Test(object):
"Keep these TestCase classes out of the main namespace"
class Foo(unittest2.TestCase):
def runTest(self): pass
def test1(self): pass
class Bar(Foo):
def test2(self): pass
class LoggingTestCase(unittest2.TestCase):
"""A test case which logs its calls."""
def __init__(self, events):
super(Test.LoggingTestCase, self).__init__('test')
self.events = events
def setUp(self):
self.events.append('setUp')
def test(self):
self.events.append('test')
def tearDown(self):
self.events.append('tearDown')
class Test_TestCase(unittest2.TestCase, EqualityMixin, HashingMixin):
### Set up attributes used by inherited tests
################################################################
# Used by HashingMixin.test_hash and EqualityMixin.test_eq
eq_pairs = [(Test.Foo('test1'), Test.Foo('test1'))]
# Used by EqualityMixin.test_ne
ne_pairs = [(Test.Foo('test1'), Test.Foo('runTest')),
(Test.Foo('test1'), Test.Bar('test1')),
(Test.Foo('test1'), Test.Bar('test2'))]
################################################################
### /Set up attributes used by inherited tests
# "class TestCase([methodName])"
# ...
# "Each instance of TestCase will run a single test method: the
# method named methodName."
# ...
# "methodName defaults to "runTest"."
#
# Make sure it really is optional, and that it defaults to the proper
# thing.
def test_init__no_test_name(self):
class Test(unittest2.TestCase):
def runTest(self): raise MyException()
def test(self): pass
self.assertEqual(Test().id()[-13:], '.Test.runTest')
# "class TestCase([methodName])"
# ...
# "Each instance of TestCase will run a single test method: the
# method named methodName."
def test_init__test_name__valid(self):
class Test(unittest2.TestCase):
def runTest(self): raise MyException()
def test(self): pass
self.assertEqual(Test('test').id()[-10:], '.Test.test')
# "class unittest2.TestCase([methodName])"
# ...
# "Each instance of TestCase will run a single test method: the
# method named methodName."
def test_init__test_name__invalid(self):
class Test(unittest2.TestCase):
def runTest(self): raise MyException()
def test(self): pass
try:
Test('testfoo')
except ValueError:
pass
else:
self.fail("Failed to raise ValueError")
# "Return the number of tests represented by the this test object. For
# TestCase instances, this will always be 1"
def test_countTestCases(self):
class Foo(unittest2.TestCase):
def test(self): pass
self.assertEqual(Foo('test').countTestCases(), 1)
# "Return the default type of test result object to be used to run this
# test. For TestCase instances, this will always be
# unittest2.TestResult; subclasses of TestCase should
# override this as necessary."
def test_defaultTestResult(self):
class Foo(unittest2.TestCase):
def runTest(self):
pass
result = Foo().defaultTestResult()
self.assertEqual(type(result), unittest2.TestResult)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if setUp() raises
# an exception.
def test_run_call_order__error_in_setUp(self):
events = []
result = LoggingResult(events)
class Foo(Test.LoggingTestCase):
def setUp(self):
super(Foo, self).setUp()
raise RuntimeError('raised by Foo.setUp')
Foo(events).run(result)
expected = ['startTest', 'setUp', 'addError', 'stopTest']
self.assertEqual(events, expected)
# "With a temporary result stopTestRun is called when setUp errors.
def test_run_call_order__error_in_setUp_default_result(self):
events = []
class Foo(Test.LoggingTestCase):
def defaultTestResult(self):
return LoggingResult(self.events)
def setUp(self):
super(Foo, self).setUp()
raise RuntimeError('raised by Foo.setUp')
Foo(events).run()
expected = ['startTestRun', 'startTest', 'setUp', 'addError',
'stopTest', 'stopTestRun']
self.assertEqual(events, expected)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if the test raises
# an error (as opposed to a failure).
def test_run_call_order__error_in_test(self):
events = []
result = LoggingResult(events)
class Foo(Test.LoggingTestCase):
def test(self):
super(Foo, self).test()
raise RuntimeError('raised by Foo.test')
expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
'stopTest']
Foo(events).run(result)
self.assertEqual(events, expected)
# "With a default result, an error in the test still results in stopTestRun
# being called."
def test_run_call_order__error_in_test_default_result(self):
events = []
class Foo(Test.LoggingTestCase):
def defaultTestResult(self):
return LoggingResult(self.events)
def test(self):
super(Foo, self).test()
raise RuntimeError('raised by Foo.test')
expected = ['startTestRun', 'startTest', 'setUp', 'test',
'tearDown', 'addError', 'stopTest', 'stopTestRun']
Foo(events).run()
self.assertEqual(events, expected)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if the test signals
# a failure (as opposed to an error).
def test_run_call_order__failure_in_test(self):
events = []
result = LoggingResult(events)
class Foo(Test.LoggingTestCase):
def test(self):
super(Foo, self).test()
self.fail('raised by Foo.test')
expected = ['startTest', 'setUp', 'test', 'tearDown', 'addFailure',
'stopTest']
Foo(events).run(result)
self.assertEqual(events, expected)
# "When a test fails with a default result stopTestRun is still called."
def test_run_call_order__failure_in_test_default_result(self):
class Foo(Test.LoggingTestCase):
def defaultTestResult(self):
return LoggingResult(self.events)
def test(self):
super(Foo, self).test()
self.fail('raised by Foo.test')
expected = ['startTestRun', 'startTest', 'setUp', 'test',
'tearDown', 'addFailure', 'stopTest', 'stopTestRun']
events = []
Foo(events).run()
self.assertEqual(events, expected)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if tearDown() raises
# an exception.
def test_run_call_order__error_in_tearDown(self):
events = []
result = LoggingResult(events)
class Foo(Test.LoggingTestCase):
def tearDown(self):
super(Foo, self).tearDown()
raise RuntimeError('raised by Foo.tearDown')
Foo(events).run(result)
expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
'stopTest']
self.assertEqual(events, expected)
# "When tearDown errors with a default result stopTestRun is still called."
def test_run_call_order__error_in_tearDown_default_result(self):
class Foo(Test.LoggingTestCase):
def defaultTestResult(self):
return LoggingResult(self.events)
def tearDown(self):
super(Foo, self).tearDown()
raise RuntimeError('raised by Foo.tearDown')
events = []
Foo(events).run()
expected = ['startTestRun', 'startTest', 'setUp', 'test', 'tearDown',
'addError', 'stopTest', 'stopTestRun']
self.assertEqual(events, expected)
# "TestCase.run() still works when the defaultTestResult is a TestResult
# that does not support startTestRun and stopTestRun.
def test_run_call_order_default_result(self):
class Foo(unittest2.TestCase):
def defaultTestResult(self):
return OldTestResult()
def test(self):
pass
Foo('test').run()
def _check_call_order__subtests(self, result, events, expected_events):
class Foo(Test.LoggingTestCase):
def test(self):
super(Foo, self).test()
for i in [1, 2, 3]:
with self.subTest(i=i):
if i == 1:
self.fail('failure')
for j in [2, 3]:
with self.subTest(j=j):
if i * j == 6:
raise RuntimeError('raised by Foo.test')
1 / 0
# Order is the following:
# i=1 => subtest failure
# i=2, j=2 => subtest success
# i=2, j=3 => subtest error
# i=3, j=2 => subtest error
# i=3, j=3 => subtest success
# toplevel => error
Foo(events).run(result)
self.assertEqual(events, expected_events)
def test_run_call_order__subtests(self):
events = []
result = LoggingResult(events)
expected = ['startTest', 'setUp', 'test', 'tearDown',
'addSubTestFailure', 'addSubTestSuccess',
'addSubTestFailure', 'addSubTestFailure',
'addSubTestSuccess', 'addError', 'stopTest']
self._check_call_order__subtests(result, events, expected)
def test_run_call_order__subtests_legacy(self):
# With a legacy result object (without a addSubTest method),
# text execution stops after the first subtest failure.
events = []
result = LegacyLoggingResult(events)
expected = ['startTest', 'setUp', 'test', 'tearDown',
'addFailure', 'stopTest']
self._check_call_order__subtests(result, events, expected)
def _check_call_order__subtests_success(self, result, events, expected_events):
class Foo(Test.LoggingTestCase):
def test(self):
super(Foo, self).test()
for i in [1, 2]:
with self.subTest(i=i):
for j in [2, 3]:
with self.subTest(j=j):
pass
Foo(events).run(result)
self.assertEqual(events, expected_events)
def test_run_call_order__subtests_success(self):
events = []
result = LoggingResult(events)
# The 6 subtest successes are individually recorded, in addition
# to the whole test success.
expected = (['startTest', 'setUp', 'test', 'tearDown']
+ 6 * ['addSubTestSuccess']
+ ['addSuccess', 'stopTest'])
self._check_call_order__subtests_success(result, events, expected)
def test_run_call_order__subtests_success_legacy(self):
# With a legacy result, only the whole test success is recorded.
events = []
result = LegacyLoggingResult(events)
expected = ['startTest', 'setUp', 'test', 'tearDown',
'addSuccess', 'stopTest']
self._check_call_order__subtests_success(result, events, expected)
def test_run_call_order__subtests_failfast(self):
events = []
result = LoggingResult(events)
result.failfast = True
class Foo(Test.LoggingTestCase):
def test(self):
super(Foo, self).test()
with self.subTest(i=1):
self.fail('failure')
with self.subTest(i=2):
self.fail('failure')
self.fail('failure')
expected = ['startTest', 'setUp', 'test', 'tearDown',
'addSubTestFailure', 'stopTest']
Foo(events).run(result)
self.assertEqual(events, expected)
def test_subtests_failfast(self):
# Ensure proper test flow with subtests and failfast (issue #22894)
events = []
class Foo(unittest.TestCase):
def test_a(self):
with self.subTest():
events.append('a1')
events.append('a2')
def test_b(self):
with self.subTest():
events.append('b1')
with self.subTest():
self.fail('failure')
events.append('b2')
def test_c(self):
events.append('c')
result = unittest.TestResult()
result.failfast = True
suite = unittest.makeSuite(Foo)
suite.run(result)
expected = ['a1', 'a2', 'b1']
self.assertEqual(events, expected)
# "This class attribute gives the exception raised by the test() method.
# If a test framework needs to use a specialized exception, possibly to
# carry additional information, it must subclass this exception in
# order to ``play fair'' with the framework. The initial value of this
# attribute is AssertionError"
def test_failureException__default(self):
class Foo(unittest2.TestCase):
def test(self):
pass
self.assertIs(Foo('test').failureException, AssertionError)
# "This class attribute gives the exception raised by the test() method.
# If a test framework needs to use a specialized exception, possibly to
# carry additional information, it must subclass this exception in
# order to ``play fair'' with the framework."
#
# Make sure TestCase.run() respects the designated failureException
def test_failureException__subclassing__explicit_raise(self):
events = []
result = LoggingResult(events)
class Foo(unittest2.TestCase):
def test(self):
raise RuntimeError()
failureException = RuntimeError
self.assertIs(Foo('test').failureException, RuntimeError)
Foo('test').run(result)
expected = ['startTest', 'addFailure', 'stopTest']
self.assertEqual(events, expected)
# "This class attribute gives the exception raised by the test() method.
# If a test framework needs to use a specialized exception, possibly to
# carry additional information, it must subclass this exception in
# order to ``play fair'' with the framework."
#
# Make sure TestCase.run() respects the designated failureException
def test_failureException__subclassing__implicit_raise(self):
events = []
result = LoggingResult(events)
class Foo(unittest2.TestCase):
def test(self):
self.fail("foo")
failureException = RuntimeError
self.assertIs(Foo('test').failureException, RuntimeError)
Foo('test').run(result)
expected = ['startTest', 'addFailure', 'stopTest']
self.assertEqual(events, expected)
# "The default implementation does nothing."
def test_setUp(self):
class Foo(unittest2.TestCase):
def runTest(self):
pass
# ... and nothing should happen
Foo().setUp()
# "The default implementation does nothing."
def test_tearDown(self):
class Foo(unittest2.TestCase):
def runTest(self):
pass
# ... and nothing should happen
Foo().tearDown()
# "Return a string identifying the specific test case."
#
# Because of the vague nature of the docs, I'm not going to lock this
# test down too much. Really all that can be asserted is that the id()
# will be a string (either 8-byte or unicode -- again, because the docs
# just say "string")
def test_id(self):
class Foo(unittest2.TestCase):
def runTest(self):
pass
self.assertIsInstance(Foo().id(), six.string_types)
# "If result is omitted or None, a temporary result object is created
# and used, but is not made available to the caller. As TestCase owns the
# temporary result startTestRun and stopTestRun are called.
def test_run__uses_defaultTestResult(self):
events = []
class Foo(unittest2.TestCase):
def test(self):
events.append('test')
def defaultTestResult(self):
return LoggingResult(events)
# Make run() find a result object on its own
Foo('test').run()
expected = ['startTestRun', 'startTest', 'test', 'addSuccess',
'stopTest', 'stopTestRun']
self.assertEqual(events, expected)
def testShortDescriptionWithoutDocstring(self):
self.assertIsNone(self.shortDescription())
def testShortDescriptionWithOneLineDocstring(self):
"""Tests shortDescription() for a method with a docstring."""
self.assertEqual(
self.shortDescription(),
'Tests shortDescription() for a method with a docstring.')
def testShortDescriptionWithMultiLineDocstring(self):
"""Tests shortDescription() for a method with a longer docstring.
This method ensures that only the first line of a docstring is
returned used in the short description, no matter how long the
whole thing is.
"""
self.assertEqual(
self.shortDescription(),
'Tests shortDescription() for a method with a longer '
'docstring.')
def testAddTypeEqualityFunc(self):
class SadSnake(object):
"""Dummy class for test_addTypeEqualityFunc."""
s1, s2 = SadSnake(), SadSnake()
self.assertNotEqual(s1, s2)
def AllSnakesCreatedEqual(a, b, msg=None):
return type(a) is type(b) is SadSnake
self.addTypeEqualityFunc(SadSnake, AllSnakesCreatedEqual)
self.assertEqual(s1, s2)
# No this doesn't clean up and remove the SadSnake equality func
# from this TestCase instance but since its a local nothing else
# will ever notice that.
def testAssertIs(self):
thing = object()
self.assertIs(thing, thing)
self.assertRaises(self.failureException, self.assertIs, thing, object())
def testAssertIsNot(self):
thing = object()
self.assertIsNot(thing, object())
self.assertRaises(self.failureException, self.assertIsNot, thing, thing)
def testAssertIsInstance(self):
thing = []
self.assertIsInstance(thing, list)
self.assertRaises(self.failureException, self.assertIsInstance,
thing, dict)
def testAssertNotIsInstance(self):
thing = []
self.assertNotIsInstance(thing, dict)
self.assertRaises(self.failureException, self.assertNotIsInstance,
thing, list)
def testAssertIn(self):
animals = {'monkey': 'banana', 'cow': 'grass', 'seal': 'fish'}
self.assertIn('a', 'abc')
self.assertIn(2, [1, 2, 3])
self.assertIn('monkey', animals)
self.assertNotIn('d', 'abc')
self.assertNotIn(0, [1, 2, 3])
self.assertNotIn('otter', animals)
self.assertRaises(self.failureException, self.assertIn, 'x', 'abc')
self.assertRaises(self.failureException, self.assertIn, 4, [1, 2, 3])
self.assertRaises(self.failureException, self.assertIn, 'elephant',
animals)
self.assertRaises(self.failureException, self.assertNotIn, 'c', 'abc')
self.assertRaises(self.failureException, self.assertNotIn, 1, [1, 2, 3])
self.assertRaises(self.failureException, self.assertNotIn, 'cow',
animals)
def testAssertDictContainsSubset(self):
self.assertDictContainsSubset({}, {})
self.assertDictContainsSubset({}, {'a': 1})
self.assertDictContainsSubset({'a': 1}, {'a': 1})
self.assertDictContainsSubset({'a': 1}, {'a': 1, 'b': 2})
self.assertDictContainsSubset({'a': 1, 'b': 2}, {'a': 1, 'b': 2})
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictContainsSubset, {'a': 2}, {'a': 1},
'.*Mismatched values:.*')
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictContainsSubset, {'c': 1}, {'a': 1},
'.*Missing:.*')
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictContainsSubset, {'a': 1, 'c': 1},
{'a': 1}, '.*Missing:.*')
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictContainsSubset, {'a': 1, 'c': 1},
{'a': 1}, '.*Missing:.*Mismatched values:.*')
self.assertRaises(self.failureException,
self.assertDictContainsSubset, {1: "one"}, {})
def testAssertEqual(self):
equal_pairs = [
((), ()),
({}, {}),
([], []),
(set(), set()),
(frozenset(), frozenset())]
for a, b in equal_pairs:
# This mess of try excepts is to test the assertEqual behavior
# itself.
try:
self.assertEqual(a, b)
except self.failureException:
self.fail('assertEqual(%r, %r) failed' % (a, b))
try:
self.assertEqual(a, b, msg='foo')
except self.failureException:
self.fail('assertEqual(%r, %r) with msg= failed' % (a, b))
try:
self.assertEqual(a, b, 'foo')
except self.failureException:
self.fail('assertEqual(%r, %r) with third parameter failed' %
(a, b))
unequal_pairs = [
((), []),
({}, set()),
(set([4,1]), frozenset([4,2])),
(frozenset([4,5]), set([2,3])),
(set([3,4]), set([5,4]))]
for a, b in unequal_pairs:
self.assertRaises(self.failureException, self.assertEqual, a, b)
self.assertRaises(self.failureException, self.assertEqual, a, b,
'foo')
self.assertRaises(self.failureException, self.assertEqual, a, b,
msg='foo')
def testEquality(self):
self.assertListEqual([], [])
self.assertTupleEqual((), ())
self.assertSequenceEqual([], ())
a = [0, 'a', []]
b = []
self.assertRaises(unittest2.TestCase.failureException,
self.assertListEqual, a, b)
self.assertRaises(unittest2.TestCase.failureException,
self.assertListEqual, tuple(a), tuple(b))
self.assertRaises(unittest2.TestCase.failureException,
self.assertSequenceEqual, a, tuple(b))
b.extend(a)
self.assertListEqual(a, b)
self.assertTupleEqual(tuple(a), tuple(b))
self.assertSequenceEqual(a, tuple(b))
self.assertSequenceEqual(tuple(a), b)
self.assertRaises(self.failureException, self.assertListEqual,
a, tuple(b))
self.assertRaises(self.failureException, self.assertTupleEqual,
tuple(a), b)
self.assertRaises(self.failureException, self.assertListEqual, None, b)
self.assertRaises(self.failureException, self.assertTupleEqual, None,
tuple(b))
self.assertRaises(self.failureException, self.assertSequenceEqual,
None, tuple(b))
self.assertRaises(self.failureException, self.assertListEqual, 1, 1)
self.assertRaises(self.failureException, self.assertTupleEqual, 1, 1)
self.assertRaises(self.failureException, self.assertSequenceEqual,
1, 1)
self.assertDictEqual({}, {})
c = { 'x': 1 }
d = {}
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictEqual, c, d)
d.update(c)
self.assertDictEqual(c, d)
d['x'] = 0
self.assertRaises(unittest2.TestCase.failureException,
self.assertDictEqual, c, d, 'These are unequal')
self.assertRaises(self.failureException, self.assertDictEqual, None, d)
self.assertRaises(self.failureException, self.assertDictEqual, [], d)
self.assertRaises(self.failureException, self.assertDictEqual, 1, 1)
def testAssertEqual_shorten(self):
# set a lower threshold value and add a cleanup to restore it
old_threshold = self._diffThreshold
self._diffThreshold = 0
self.addCleanup(lambda: setattr(self, '_diffThreshold', old_threshold))
s = 'x' * 100
s1, s2 = s + 'a', s + 'b'
with self.assertRaises(self.failureException) as cm:
self.assertEqual(s1, s2)
c = 'xxxx[35 chars]' + 'x' * 61
self.assertEqual(str(cm.exception), "'%sa' != '%sb'" % (c, c))
self.assertEqual(s + 'a', s + 'a')
p = 'y' * 50
s1, s2 = s + 'a' + p, s + 'b' + p
with self.assertRaises(self.failureException) as cm:
self.assertEqual(s1, s2)
c = 'xxxx[85 chars]xxxxxxxxxxx'
self.assertEqual(str(cm.exception), "'%sa%s' != '%sb%s'" % (c, p, c, p))
p = 'y' * 100
s1, s2 = s + 'a' + p, s + 'b' + p
with self.assertRaises(self.failureException) as cm:
self.assertEqual(s1, s2)
c = 'xxxx[91 chars]xxxxx'
d = 'y' * 40 + '[56 chars]yyyy'
self.assertEqual(str(cm.exception), "'%sa%s' != '%sb%s'" % (c, d, c, d))
def testAssertItemsEqual(self):
self.assertItemsEqual([1, 2, 3], [3, 2, 1])
self.assertItemsEqual(['foo', 'bar', 'baz'], ['bar', 'baz', 'foo'])
self.assertRaises(self.failureException, self.assertItemsEqual,
[10], [10, 11])
self.assertRaises(self.failureException, self.assertItemsEqual,
[10, 11], [10])
self.assertRaises(self.failureException, self.assertItemsEqual,
[10, 11, 10], [10, 11])
# Test that sequences of unhashable objects can be tested for sameness:
self.assertItemsEqual([[1, 2], [3, 4]], [[3, 4], [1, 2]])
self.assertItemsEqual([{'a': 1}, {'b': 2}], [{'b': 2}, {'a': 1}])
self.assertRaises(self.failureException, self.assertItemsEqual,
[[1]], [[2]])
# Test unsortable objects
self.assertItemsEqual([2j, None], [None, 2j])
self.assertRaises(self.failureException, self.assertItemsEqual,
[2j, None], [None, 3j])
def testAssertSetEqual(self):
set1 = set()
set2 = set()
self.assertSetEqual(set1, set2)
self.assertRaises(self.failureException, self.assertSetEqual, None, set2)
self.assertRaises(self.failureException, self.assertSetEqual, [], set2)
self.assertRaises(self.failureException, self.assertSetEqual, set1, None)
self.assertRaises(self.failureException, self.assertSetEqual, set1, [])
set1 = set(['a'])
set2 = set()
self.assertRaises(self.failureException, self.assertSetEqual, set1, set2)
set1 = set(['a'])
set2 = set(['a'])
self.assertSetEqual(set1, set2)
set1 = set(['a'])
set2 = set(['a', 'b'])
self.assertRaises(self.failureException, self.assertSetEqual, set1, set2)
set1 = set(['a'])
set2 = frozenset(['a', 'b'])
self.assertRaises(self.failureException, self.assertSetEqual, set1, set2)
set1 = set(['a', 'b'])
set2 = frozenset(['a', 'b'])
self.assertSetEqual(set1, set2)
set1 = set()
set2 = "foo"
self.assertRaises(self.failureException, self.assertSetEqual, set1, set2)
self.assertRaises(self.failureException, self.assertSetEqual, set2, set1)
# make sure any string formatting is tuple-safe
set1 = set([(0, 1), (2, 3)])
set2 = set([(4, 5)])
self.assertRaises(self.failureException, self.assertSetEqual, set1, set2)
def testInequality(self):
# Try ints
self.assertGreater(2, 1)
self.assertGreaterEqual(2, 1)
self.assertGreaterEqual(1, 1)
self.assertLess(1, 2)
self.assertLessEqual(1, 2)
self.assertLessEqual(1, 1)
self.assertRaises(self.failureException, self.assertGreater, 1, 2)
self.assertRaises(self.failureException, self.assertGreater, 1, 1)
self.assertRaises(self.failureException, self.assertGreaterEqual, 1, 2)
self.assertRaises(self.failureException, self.assertLess, 2, 1)
self.assertRaises(self.failureException, self.assertLess, 1, 1)
self.assertRaises(self.failureException, self.assertLessEqual, 2, 1)
# Try Floats
self.assertGreater(1.1, 1.0)
self.assertGreaterEqual(1.1, 1.0)
self.assertGreaterEqual(1.0, 1.0)
self.assertLess(1.0, 1.1)
self.assertLessEqual(1.0, 1.1)
self.assertLessEqual(1.0, 1.0)
self.assertRaises(self.failureException, self.assertGreater, 1.0, 1.1)
self.assertRaises(self.failureException, self.assertGreater, 1.0, 1.0)
self.assertRaises(self.failureException, self.assertGreaterEqual, 1.0, 1.1)
self.assertRaises(self.failureException, self.assertLess, 1.1, 1.0)
self.assertRaises(self.failureException, self.assertLess, 1.0, 1.0)
self.assertRaises(self.failureException, self.assertLessEqual, 1.1, 1.0)
# Try Strings
self.assertGreater('bug', 'ant')
self.assertGreaterEqual('bug', 'ant')
self.assertGreaterEqual('ant', 'ant')
self.assertLess('ant', 'bug')
self.assertLessEqual('ant', 'bug')
self.assertLessEqual('ant', 'ant')
self.assertRaises(self.failureException, self.assertGreater, 'ant', 'bug')
self.assertRaises(self.failureException, self.assertGreater, 'ant', 'ant')
self.assertRaises(self.failureException, self.assertGreaterEqual, 'ant', 'bug')
self.assertRaises(self.failureException, self.assertLess, 'bug', 'ant')
self.assertRaises(self.failureException, self.assertLess, 'ant', 'ant')
self.assertRaises(self.failureException, self.assertLessEqual, 'bug', 'ant')
# Try Unicode
self.assertGreater(u('bug'), u('ant'))
self.assertGreaterEqual(u('bug'), u('ant'))
self.assertGreaterEqual(u('ant'), u('ant'))
self.assertLess(u('ant'), u('bug'))
self.assertLessEqual(u('ant'), u('bug'))
self.assertLessEqual(u('ant'), u('ant'))
self.assertRaises(self.failureException, self.assertGreater, u('ant'), u('bug'))
self.assertRaises(self.failureException, self.assertGreater, u('ant'), u('ant'))
self.assertRaises(self.failureException, self.assertGreaterEqual, u('ant'),
u('bug'))
self.assertRaises(self.failureException, self.assertLess, u('bug'), u('ant'))
self.assertRaises(self.failureException, self.assertLess, u('ant'), u('ant'))
self.assertRaises(self.failureException, self.assertLessEqual, u('bug'), u('ant'))
# Try Mixed String/Unicode
self.assertGreater('bug', u('ant'))
self.assertGreater(u('bug'), 'ant')
self.assertGreaterEqual('bug', u('ant'))
self.assertGreaterEqual(u('bug'), 'ant')
self.assertGreaterEqual('ant', u('ant'))
self.assertGreaterEqual(u('ant'), 'ant')
self.assertLess('ant', u('bug'))
self.assertLess(u('ant'), 'bug')
self.assertLessEqual('ant', u('bug'))
self.assertLessEqual(u('ant'), 'bug')
self.assertLessEqual('ant', u('ant'))
self.assertLessEqual(u('ant'), 'ant')
self.assertRaises(self.failureException, self.assertGreater, 'ant', u('bug'))
self.assertRaises(self.failureException, self.assertGreater, u('ant'), 'bug')
self.assertRaises(self.failureException, self.assertGreater, 'ant', u('ant'))
self.assertRaises(self.failureException, self.assertGreater, u('ant'), 'ant')
self.assertRaises(self.failureException, self.assertGreaterEqual, 'ant',
u('bug'))
self.assertRaises(self.failureException, self.assertGreaterEqual, u('ant'),
'bug')
self.assertRaises(self.failureException, self.assertLess, 'bug', u('ant'))
self.assertRaises(self.failureException, self.assertLess, u('bug'), 'ant')
self.assertRaises(self.failureException, self.assertLess, 'ant', u('ant'))
self.assertRaises(self.failureException, self.assertLess, u('ant'), 'ant')
self.assertRaises(self.failureException, self.assertLessEqual, 'bug', u('ant'))
self.assertRaises(self.failureException, self.assertLessEqual, u('bug'), 'ant')
def testAssertMultiLineEqual(self):
sample_text = u("""\
http://www.python.org/doc/2.3/lib/module-unittest.html
test case
A test case is the smallest unit of testing. [...]
""")
revised_sample_text = u("""\
http://www.python.org/doc/2.4.1/lib/module-unittest.html
test case
A test case is the smallest unit of testing. [...] You may provide your
own implementation that does not subclass from TestCase, of course.
""")
sample_text_error = u("""\
- http://www.python.org/doc/2.3/lib/module-unittest.html
? ^
+ http://www.python.org/doc/2.4.1/lib/module-unittest.html
? ^^^
test case
- A test case is the smallest unit of testing. [...]
+ A test case is the smallest unit of testing. [...] You may provide your
? +++++++++++++++++++++
+ own implementation that does not subclass from TestCase, of course.
""")
self.maxDiff = None
# On python 3 we skip bytestrings as they fail the string
# check. in assertMultiLineEqual
changers = [lambda x: x]
if sys.version_info[0] < 3:
changers.append(lambda x: x.encode('utf8'))
for type_changer in changers:
try:
self.assertMultiLineEqual(type_changer(sample_text),
type_changer(revised_sample_text))
except self.failureException:
e = sys.exc_info()[1]
# need to remove the first line of the error message
error_str = str(e)
if not isinstance(error_str, six.text_type):
error_str = error_str.decode('utf8')
error_lines = error_str.split(u('\n'), 1)
if len(error_lines) > 1:
error = error_lines[1]
else:
error = error_lines[0]
self.assertEqual(sample_text_error, error)
def testAssertSequenceEqualMaxDiff(self):
self.assertEqual(self.maxDiff, 80*8)
seq1 = 'a' + 'x' * 80**2
seq2 = 'b' + 'x' * 80**2
diff = '\n'.join(difflib.ndiff(pprint.pformat(seq1).splitlines(),
pprint.pformat(seq2).splitlines()))
# the +1 is the leading \n added by assertSequenceEqual
omitted = unittest2.case.DIFF_OMITTED % (len(diff) + 1,)
self.maxDiff = len(diff)//2
try:
self.assertSequenceEqual(seq1, seq2)
except self.failureException:
e = sys.exc_info()[1]
msg = e.args[0]
else:
self.fail('assertSequenceEqual did not fail.')
self.assertLess(len(msg), len(diff))
self.assertIn(omitted, msg)
self.maxDiff = len(diff) * 2
try:
self.assertSequenceEqual(seq1, seq2)
except self.failureException:
e = sys.exc_info()[1]
msg = e.args[0]
else:
self.fail('assertSequenceEqual did not fail.')
self.assertGreater(len(msg), len(diff))
self.assertNotIn(omitted, msg)
self.maxDiff = None
try:
self.assertSequenceEqual(seq1, seq2)
except self.failureException:
e = sys.exc_info()[1]
msg = e.args[0]
else:
self.fail('assertSequenceEqual did not fail.')
self.assertGreater(len(msg), len(diff))
self.assertNotIn(omitted, msg)
def testTruncateMessage(self):
self.maxDiff = 1
message = self._truncateMessage('foo', 'bar')
omitted = unittest2.case.DIFF_OMITTED % len('bar')
self.assertEqual(message, 'foo' + omitted)
self.maxDiff = None
message = self._truncateMessage('foo', 'bar')
self.assertEqual(message, 'foobar')
self.maxDiff = 4
message = self._truncateMessage('foo', 'bar')
self.assertEqual(message, 'foobar')
def testAssertDictEqualTruncates(self):
test = unittest2.TestCase('assertEqual')
def truncate(msg, diff):
return 'foo'
test._truncateMessage = truncate
try:
test.assertDictEqual({}, {1: 0})
except self.failureException:
e = sys.exc_info()[1]
self.assertEqual(str(e), 'foo')
else:
self.fail('assertDictEqual did not fail')
def testAssertMultiLineEqualTruncates(self):
test = unittest2.TestCase('assertEqual')
def truncate(msg, diff):
return 'foo'
test._truncateMessage = truncate
try:
test.assertMultiLineEqual('foo', 'bar')
except self.failureException:
e = sys.exc_info()[1]
self.assertEqual(str(e), 'foo')
else:
self.fail('assertMultiLineEqual did not fail')
def testAssertEqualSingleLine(self):
sample_text = "laden swallows fly slowly"
revised_sample_text = "unladen swallows fly quickly"
sample_text_error = """\
- laden swallows fly slowly
? ^^^^
+ unladen swallows fly quickly
? ++ ^^^^^
"""
try:
self.assertEqual(sample_text, revised_sample_text)
except self.failureException as e:
error = str(e).split('\n', 1)[1]
self.assertEqual(sample_text_error, error)
def testAssertIsNone(self):
self.assertIsNone(None)
self.assertRaises(self.failureException, self.assertIsNone, False)
self.assertIsNotNone('DjZoPloGears on Rails')
self.assertRaises(self.failureException, self.assertIsNotNone, None)
def testAssertRegex(self):
self.assertRegex('asdfabasdf', r'ab+')
self.assertRaises(self.failureException, self.assertRegex,
'saaas', r'aaaa')
def testAssertRaisesCallable(self):
class ExceptionMock(Exception):
pass
def Stub():
raise ExceptionMock('We expect')
self.assertRaises(ExceptionMock, Stub)
# A tuple of exception classes is accepted
self.assertRaises((ValueError, ExceptionMock), Stub)
# *args and **kwargs also work
self.assertRaises(ValueError, int, '19', base=8)
# Failure when no exception is raised
with self.assertRaises(self.failureException):
self.assertRaises(ExceptionMock, lambda: 0)
# Failure when the function is None
with self.assertWarns(DeprecationWarning):
self.assertRaises(ExceptionMock, None)
# Failure when another exception is raised
with self.assertRaises(ExceptionMock):
self.assertRaises(ValueError, Stub)
def testAssertRaisesContext(self):
class ExceptionMock(Exception):
pass
def Stub():
raise ExceptionMock('We expect')
with self.assertRaises(ExceptionMock):
Stub()
# A tuple of exception classes is accepted
with self.assertRaises((ValueError, ExceptionMock)) as cm:
Stub()
# The context manager exposes caught exception
self.assertIsInstance(cm.exception, ExceptionMock)
self.assertEqual(cm.exception.args[0], 'We expect')
# *args and **kwargs also work
with self.assertRaises(ValueError):
int('19', base=8)
# Failure when no exception is raised
with self.assertRaises(self.failureException):
with self.assertRaises(ExceptionMock):
pass
# Custom message
with self.assertRaisesRegex(self.failureException, 'foobar'):
with self.assertRaises(ExceptionMock, msg='foobar'):
pass
# Invalid keyword argument
with self.assertWarnsRegex(DeprecationWarning, 'foobar'):
with self.assertRaises(AssertionError):
with self.assertRaises(ExceptionMock, foobar=42):
pass
# Failure when another exception is raised
with self.assertRaises(ExceptionMock):
self.assertRaises(ValueError, Stub)
def testAssertRaisesNoExceptionType(self):
with self.assertRaises(TypeError):
self.assertRaises()
with self.assertRaises(TypeError):
self.assertRaises(1)
with self.assertRaises(TypeError):
self.assertRaises(object)
with self.assertRaises(TypeError):
self.assertRaises((ValueError, 1))
with self.assertRaises(TypeError):
self.assertRaises((ValueError, object))
def testAssertRaisesRegex(self):
class ExceptionMock(Exception):
pass
def Stub():
raise ExceptionMock('We expect')
self.assertRaisesRegex(ExceptionMock, re.compile('expect$'), Stub)
self.assertRaisesRegex(ExceptionMock, 'expect$', Stub)
self.assertRaisesRegex(ExceptionMock, u('expect$'), Stub)
with self.assertWarns(DeprecationWarning):
self.assertRaisesRegex(ExceptionMock, 'expect$', None)
def testAssertNotRaisesRegex(self):
self.assertRaisesRegex(
self.failureException, '^Exception not raised by <lambda>$',
self.assertRaisesRegex, Exception, re.compile('x'),
lambda: None)
self.assertRaisesRegex(
self.failureException, '^Exception not raised by <lambda>$',
self.assertRaisesRegex, Exception, 'x',
lambda: None)
# Custom message
with self.assertRaisesRegex(self.failureException, 'foobar'):
with self.assertRaisesRegex(Exception, 'expect', msg='foobar'):
pass
# Invalid keyword argument
with self.assertWarnsRegex(DeprecationWarning, 'foobar'):
with self.assertRaises(AssertionError):
with self.assertRaisesRegex(Exception, 'expect', foobar=42):
pass
def testAssertRaisesRegexInvalidRegex(self):
# Issue 20145.
class MyExc(Exception):
pass
self.assertRaises(TypeError, self.assertRaisesRegex, MyExc, lambda: True)
def testAssertWarnsRegexInvalidRegex(self):
# Issue 20145.
class MyWarn(Warning):
pass
self.assertRaises(TypeError, self.assertWarnsRegex, MyWarn, lambda: True)
def testAssertRaisesRegexInvalidRegex(self):
# Issue 20145.
class MyExc(Exception):
pass
self.assertRaises(TypeError, self.assertRaisesRegex, MyExc, lambda: True)
def testAssertWarnsRegexInvalidRegex(self):
# Issue 20145.
class MyWarn(Warning):
pass
self.assertRaises(TypeError, self.assertWarnsRegex, MyWarn, lambda: True)
def testAssertRaisesRegexMismatch(self):
def Stub():
raise Exception('Unexpected')
self.assertRaisesRegex(
self.failureException,
r'"\^Expected\$" does not match "Unexpected"',
self.assertRaisesRegex, Exception, '^Expected$',
Stub)
self.assertRaisesRegex(
self.failureException,
r'"\^Expected\$" does not match "Unexpected"',
self.assertRaisesRegex, Exception, u('^Expected$'),
Stub)
self.assertRaisesRegex(
self.failureException,
r'"\^Expected\$" does not match "Unexpected"',
self.assertRaisesRegex, Exception,
re.compile('^Expected$'), Stub)
def testAssertRaisesRegexNoExceptionType(self):
with self.assertRaises(TypeError):
self.assertRaisesRegex()
with self.assertRaises(TypeError):
self.assertRaisesRegex(ValueError)
with self.assertRaises(TypeError):
self.assertRaisesRegex(1, 'expect')
with self.assertRaises(TypeError):
self.assertRaisesRegex(object, 'expect')
with self.assertRaises(TypeError):
self.assertRaisesRegex((ValueError, 1), 'expect')
with self.assertRaises(TypeError):
self.assertRaisesRegex((ValueError, object), 'expect')
def testAssertWarnsNoExceptionType(self):
with self.assertRaises(TypeError):
self.assertWarns()
with self.assertRaises(TypeError):
self.assertWarns(1)
with self.assertRaises(TypeError):
self.assertWarns(object)
with self.assertRaises(TypeError):
self.assertWarns((UserWarning, 1))
with self.assertRaises(TypeError):
self.assertWarns((UserWarning, object))
with self.assertRaises(TypeError):
self.assertWarns((UserWarning, Exception))
def testAssertWarnsRegexNoExceptionType(self):
with self.assertRaises(TypeError):
self.assertWarnsRegex()
with self.assertRaises(TypeError):
self.assertWarnsRegex(UserWarning)
with self.assertRaises(TypeError):
self.assertWarnsRegex(1, 'expect')
with self.assertRaises(TypeError):
self.assertWarnsRegex(object, 'expect')
with self.assertRaises(TypeError):
self.assertWarnsRegex((UserWarning, 1), 'expect')
with self.assertRaises(TypeError):
self.assertWarnsRegex((UserWarning, object), 'expect')
with self.assertRaises(TypeError):
self.assertWarnsRegex((UserWarning, Exception), 'expect')
@contextlib.contextmanager
def assertNoStderr(self):
with captured_stderr() as buf:
yield
self.assertEqual(buf.getvalue(), "")
def assertLogRecords(self, records, matches):
self.assertEqual(len(records), len(matches))
for rec, match in zip(records, matches):
self.assertIsInstance(rec, logging.LogRecord)
for k, v in match.items():
self.assertEqual(getattr(rec, k), v)
def testAssertLogsDefaults(self):
# defaults: root logger, level INFO
with self.assertNoStderr():
with self.assertLogs() as cm:
log_foo.info("1")
log_foobar.debug("2")
self.assertEqual(cm.output, ["INFO:foo:1"])
self.assertLogRecords(cm.records, [{'name': 'foo'}])
def testAssertLogsTwoMatchingMessages(self):
# Same, but with two matching log messages
with self.assertNoStderr():
with self.assertLogs() as cm:
log_foo.info("1")
log_foobar.debug("2")
log_quux.warning("3")
self.assertEqual(cm.output, ["INFO:foo:1", "WARNING:quux:3"])
self.assertLogRecords(cm.records,
[{'name': 'foo'}, {'name': 'quux'}])
def checkAssertLogsPerLevel(self, level):
# Check level filtering
with self.assertNoStderr():
with self.assertLogs(level=level) as cm:
log_foo.warning("1")
log_foobar.error("2")
log_quux.critical("3")
self.assertEqual(cm.output, ["ERROR:foo.bar:2", "CRITICAL:quux:3"])
self.assertLogRecords(cm.records,
[{'name': 'foo.bar'}, {'name': 'quux'}])
def testAssertLogsPerLevel(self):
self.checkAssertLogsPerLevel(logging.ERROR)
self.checkAssertLogsPerLevel('ERROR')
def checkAssertLogsPerLogger(self, logger):
# Check per-logger filtering
with self.assertNoStderr():
with self.assertLogs(level='DEBUG') as outer_cm:
with self.assertLogs(logger, level='DEBUG') as cm:
log_foo.info("1")
log_foobar.debug("2")
log_quux.warning("3")
self.assertEqual(cm.output, ["INFO:foo:1", "DEBUG:foo.bar:2"])
self.assertLogRecords(cm.records,
[{'name': 'foo'}, {'name': 'foo.bar'}])
# The outer catchall caught the quux log
self.assertEqual(outer_cm.output, ["WARNING:quux:3"])
def testAssertLogsPerLogger(self):
self.checkAssertLogsPerLogger(logging.getLogger('foo'))
self.checkAssertLogsPerLogger('foo')
def testAssertLogsFailureNoLogs(self):
# Failure due to no logs
with self.assertNoStderr():
with self.assertRaises(self.failureException):
with self.assertLogs():
pass
def testAssertLogsFailureLevelTooHigh(self):
# Failure due to level too high
with self.assertNoStderr():
with self.assertRaises(self.failureException):
with self.assertLogs(level='WARNING'):
log_foo.info("1")
def testAssertLogsFailureMismatchingLogger(self):
# Failure due to mismatching logger (and the logged message is
# passed through)
with self.assertLogs('quux', level='ERROR'):
with self.assertRaises(self.failureException):
with self.assertLogs('foo'):
log_quux.error("1")
def testDeepcopy(self):
# Issue: 5660
class TestableTest(unittest2.TestCase):
def testNothing(self):
pass
test = TestableTest('testNothing')
# This shouldn't blow up
deepcopy(test)
def testPickle(self):
# Issue 10326
# Can't use TestCase classes defined in Test class as
# pickle does not work with inner classes
test = unittest2.TestCase('run')
for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
# blew up prior to fix
pickled_test = pickle.dumps(test, protocol=protocol)
unpickled_test = pickle.loads(pickled_test)
self.assertEqual(test, unpickled_test)
# exercise the TestCase instance in a way that will invoke
# the type equality lookup mechanism
unpickled_test.assertEqual(set(), set())
def testKeyboardInterrupt(self):
def _raise(self=None):
raise KeyboardInterrupt
def nothing(self):
pass
class Test1(unittest2.TestCase):
test_something = _raise
class Test2(unittest2.TestCase):
setUp = _raise
test_something = nothing
class Test3(unittest2.TestCase):
test_something = nothing
tearDown = _raise
class Test4(unittest2.TestCase):
def test_something(self):
self.addCleanup(_raise)
for klass in (Test1, Test2, Test3, Test4):
self.assertRaises(KeyboardInterrupt,
klass('test_something').run)
def testSkippingEverywhere(self):
def _skip(self=None):
raise unittest2.SkipTest('some reason')
def nothing(self):
pass
class Test1(unittest2.TestCase):
test_something = _skip
class Test2(unittest2.TestCase):
setUp = _skip
test_something = nothing
class Test3(unittest2.TestCase):
test_something = nothing
tearDown = _skip
class Test4(unittest2.TestCase):
def test_something(self):
self.addCleanup(_skip)
for klass in (Test1, Test2, Test3, Test4):
result = unittest2.TestResult()
klass('test_something').run(result)
self.assertEqual(len(result.skipped), 1)
self.assertEqual(result.testsRun, 1)
def testSystemExit(self):
def _raise(self=None):
raise SystemExit
def nothing(self):
pass
class Test1(unittest2.TestCase):
test_something = _raise
class Test2(unittest2.TestCase):
setUp = _raise
test_something = nothing
class Test3(unittest2.TestCase):
test_something = nothing
tearDown = _raise
class Test4(unittest2.TestCase):
def test_something(self):
self.addCleanup(_raise)
for klass in (Test1, Test2, Test3, Test4):
result = unittest2.TestResult()
klass('test_something').run(result)
self.assertEqual(len(result.errors), 1)
self.assertEqual(result.testsRun, 1)
def test_no_exception_leak(self):
# Issue #19880: TestCase.run() should not keep a reference
# to the exception
class MyException(Exception):
ninstance = 0
def __init__(self):
MyException.ninstance += 1
Exception.__init__(self)
def __del__(self):
MyException.ninstance -= 1
class TestCase(unittest.TestCase):
def test1(self):
raise MyException()
@unittest.expectedFailure
def test2(self):
raise MyException()
for method_name in ('test1', 'test2'):
testcase = TestCase(method_name)
testcase.run()
gc.collect()
self.assertEqual(MyException.ninstance, 0)
if __name__ == "__main__":
unittest2.main()
|