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  • Committer: Patch Queue Manager
  • Date: 2015-12-17 18:39:00 UTC
  • mfrom: (6606.1.2 fix-float)
  • Revision ID: pqm@pqm.ubuntu.com-20151217183900-0719du2uv1kwu3lc
(vila) Inline testtools private method to fix an issue in xenial (the
 private implementation has changed in an backward incompatible way).
 (Jelmer Vernooij)

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"""Tests for the test framework."""
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from cStringIO import StringIO
 
20
import gc
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import doctest
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import os
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import signal
29
30
from testtools import (
30
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    ExtendedToOriginalDecorator,
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    MultiTestResult,
32
 
    __version__ as testtools_version,
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    )
34
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from testtools.content import Content
35
35
from testtools.content_type import ContentType
43
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from bzrlib import (
44
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    branchbuilder,
45
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    bzrdir,
 
46
    controldir,
46
47
    errors,
47
48
    hooks,
48
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    lockdir,
334
335
        server1 = "a"
335
336
        server2 = "b"
336
337
        formats = [workingtree_4.WorkingTreeFormat4(),
337
 
                   workingtree_3.WorkingTreeFormat3(),]
338
 
        scenarios = make_scenarios(server1, server2, formats)
 
338
                   workingtree_3.WorkingTreeFormat3(),
 
339
                   workingtree_4.WorkingTreeFormat6()]
 
340
        scenarios = make_scenarios(server1, server2, formats,
 
341
            remote_server='c', remote_readonly_server='d',
 
342
            remote_backing_server='e')
339
343
        self.assertEqual([
340
344
            ('WorkingTreeFormat4',
341
345
             {'bzrdir_format': formats[0]._matchingbzrdir,
346
350
             {'bzrdir_format': formats[1]._matchingbzrdir,
347
351
              'transport_readonly_server': 'b',
348
352
              'transport_server': 'a',
349
 
              'workingtree_format': formats[1]})],
350
 
            scenarios)
 
353
              'workingtree_format': formats[1]}),
 
354
            ('WorkingTreeFormat6',
 
355
             {'bzrdir_format': formats[2]._matchingbzrdir,
 
356
              'transport_readonly_server': 'b',
 
357
              'transport_server': 'a',
 
358
              'workingtree_format': formats[2]}),
 
359
            ('WorkingTreeFormat6,remote',
 
360
             {'bzrdir_format': formats[2]._matchingbzrdir,
 
361
              'repo_is_remote': True,
 
362
              'transport_readonly_server': 'd',
 
363
              'transport_server': 'c',
 
364
              'vfs_transport_factory': 'e',
 
365
              'workingtree_format': formats[2]}),
 
366
            ], scenarios)
351
367
 
352
368
 
353
369
class TestTreeScenarios(tests.TestCase):
354
370
 
355
371
    def test_scenarios(self):
356
372
        # the tree implementation scenario generator is meant to setup one
357
 
        # instance for each working tree format, and one additional instance
 
373
        # instance for each working tree format, one additional instance
358
374
        # that will use the default wt format, but create a revision tree for
359
 
        # the tests.  this means that the wt ones should have the
360
 
        # workingtree_to_test_tree attribute set to 'return_parameter' and the
361
 
        # revision one set to revision_tree_from_workingtree.
 
375
        # the tests, and one more that uses the default wt format as a
 
376
        # lightweight checkout of a remote repository.  This means that the wt
 
377
        # ones should have the workingtree_to_test_tree attribute set to
 
378
        # 'return_parameter' and the revision one set to
 
379
        # revision_tree_from_workingtree.
362
380
 
363
381
        from bzrlib.tests.per_tree import (
364
382
            _dirstate_tree_from_workingtree,
370
388
            )
371
389
        server1 = "a"
372
390
        server2 = "b"
 
391
        smart_server = test_server.SmartTCPServer_for_testing
 
392
        smart_readonly_server = test_server.ReadonlySmartTCPServer_for_testing
 
393
        mem_server = memory.MemoryServer
373
394
        formats = [workingtree_4.WorkingTreeFormat4(),
374
395
                   workingtree_3.WorkingTreeFormat3(),]
375
396
        scenarios = make_scenarios(server1, server2, formats)
376
 
        self.assertEqual(7, len(scenarios))
 
397
        self.assertEqual(8, len(scenarios))
377
398
        default_wt_format = workingtree.format_registry.get_default()
378
399
        wt4_format = workingtree_4.WorkingTreeFormat4()
379
400
        wt5_format = workingtree_4.WorkingTreeFormat5()
 
401
        wt6_format = workingtree_4.WorkingTreeFormat6()
380
402
        expected_scenarios = [
381
403
            ('WorkingTreeFormat4',
382
404
             {'bzrdir_format': formats[0]._matchingbzrdir,
392
414
              'workingtree_format': formats[1],
393
415
              '_workingtree_to_test_tree': return_parameter,
394
416
             }),
 
417
            ('WorkingTreeFormat6,remote',
 
418
             {'bzrdir_format': wt6_format._matchingbzrdir,
 
419
              'repo_is_remote': True,
 
420
              'transport_readonly_server': smart_readonly_server,
 
421
              'transport_server': smart_server,
 
422
              'vfs_transport_factory': mem_server,
 
423
              'workingtree_format': wt6_format,
 
424
              '_workingtree_to_test_tree': return_parameter,
 
425
             }),
395
426
            ('RevisionTree',
396
427
             {'_workingtree_to_test_tree': revision_tree_from_workingtree,
397
428
              'bzrdir_format': default_wt_format._matchingbzrdir,
609
640
        # Guard against regression into MemoryTransport leaking
610
641
        # files to disk instead of keeping them in memory.
611
642
        self.assertFalse(osutils.lexists('dir'))
612
 
        dir_format = bzrdir.format_registry.make_bzrdir('knit')
 
643
        dir_format = controldir.format_registry.make_bzrdir('knit')
613
644
        self.assertEqual(dir_format.repository_format.__class__,
614
645
                         the_branch.repository._format.__class__)
615
646
        self.assertEqual('Bazaar-NG Knit Repository Format 1',
678
709
        builder = self.make_branch_builder('dir')
679
710
        rev_id = builder.build_commit()
680
711
        self.assertPathExists('dir')
681
 
        a_dir = bzrdir.BzrDir.open('dir')
 
712
        a_dir = controldir.ControlDir.open('dir')
682
713
        self.assertRaises(errors.NoWorkingTree, a_dir.open_workingtree)
683
714
        a_branch = a_dir.open_branch()
684
715
        builder_branch = builder.get_branch()
1062
1093
                self.expectFailure("No absolute truth", self.assertTrue, True)
1063
1094
        runner = tests.TextTestRunner(stream=StringIO())
1064
1095
        result = self.run_test_runner(runner, Test("test_truth"))
1065
 
        if testtools_version[:3] <= (0, 9, 11):
1066
 
            self.assertContainsRe(runner.stream.getvalue(),
1067
 
                "=+\n"
1068
 
                "FAIL: \\S+\.test_truth\n"
1069
 
                "-+\n"
1070
 
                "(?:.*\n)*"
1071
 
                "No absolute truth\n"
1072
 
                "(?:.*\n)*"
1073
 
                "-+\n"
1074
 
                "Ran 1 test in .*\n"
1075
 
                "\n"
1076
 
                "FAILED \\(failures=1\\)\n\\Z")
1077
 
        else:
1078
 
            self.assertContainsRe(runner.stream.getvalue(),
1079
 
                "=+\n"
1080
 
                "FAIL: \\S+\.test_truth\n"
1081
 
                "-+\n"
1082
 
                "Empty attachments:\n"
1083
 
                "  log\n"
1084
 
                "\n"
1085
 
                "reason: {{{No absolute truth}}}\n"
1086
 
                "-+\n"
1087
 
                "Ran 1 test in .*\n"
1088
 
                "\n"
1089
 
                "FAILED \\(failures=1\\)\n\\Z")
 
1096
        self.assertContainsRe(runner.stream.getvalue(),
 
1097
            "=+\n"
 
1098
            "FAIL: \\S+\.test_truth\n"
 
1099
            "-+\n"
 
1100
            "(?:.*\n)*"
 
1101
            "\\s*(?:Text attachment: )?reason"
 
1102
            "(?:\n-+\n|: {{{)"
 
1103
            "No absolute truth"
 
1104
            "(?:\n-+\n|}}}\n)"
 
1105
            "(?:.*\n)*"
 
1106
            "-+\n"
 
1107
            "Ran 1 test in .*\n"
 
1108
            "\n"
 
1109
            "FAILED \\(failures=1\\)\n\\Z")
1090
1110
 
1091
1111
    def test_result_decorator(self):
1092
1112
        # decorate results
1141
1161
        class SkippedTest(tests.TestCase):
1142
1162
 
1143
1163
            def setUp(self):
1144
 
                tests.TestCase.setUp(self)
 
1164
                super(SkippedTest, self).setUp()
1145
1165
                calls.append('setUp')
1146
1166
                self.addCleanup(self.cleanup)
1147
1167
 
1251
1271
            lambda trace=False: "ascii")
1252
1272
        result = self.run_test_runner(tests.TextTestRunner(stream=out),
1253
1273
            FailureWithUnicode("test_log_unicode"))
1254
 
        if testtools_version[:3] > (0, 9, 11):
1255
 
            self.assertContainsRe(out.getvalue(), "log: {{{\d+\.\d+  \\\\u2606}}}")
1256
 
        else:
1257
 
            self.assertContainsRe(out.getvalue(),
1258
 
                "Text attachment: log\n"
1259
 
                "-+\n"
1260
 
                "\d+\.\d+  \\\\u2606\n"
1261
 
                "-+\n")
 
1274
        self.assertContainsRe(out.getvalue(),
 
1275
            "(?:Text attachment: )?log"
 
1276
            "(?:\n-+\n|: {{{)"
 
1277
            "\d+\.\d+  \\\\u2606"
 
1278
            "(?:\n-+\n|}}}\n)")
1262
1279
 
1263
1280
 
1264
1281
class SampleTestCase(tests.TestCase):
1491
1508
        transport_server.start_server()
1492
1509
        self.addCleanup(transport_server.stop_server)
1493
1510
        t = transport.get_transport_from_url(transport_server.get_url())
1494
 
        bzrdir.BzrDir.create(t.base)
 
1511
        controldir.ControlDir.create(t.base)
1495
1512
        self.assertRaises(errors.BzrError,
1496
 
            bzrdir.BzrDir.open_from_transport, t)
 
1513
            controldir.ControlDir.open_from_transport, t)
1497
1514
        # But if we declare this as safe, we can open the bzrdir.
1498
1515
        self.permit_url(t.base)
1499
1516
        self._bzr_selftest_roots.append(t.base)
1500
 
        bzrdir.BzrDir.open_from_transport(t)
 
1517
        controldir.ControlDir.open_from_transport(t)
1501
1518
 
1502
1519
    def test_requireFeature_available(self):
1503
1520
        """self.requireFeature(available) is a no-op."""
1637
1654
        self.assertRaises(AssertionError,
1638
1655
            self.assertListRaises, _TestException, success_generator)
1639
1656
 
 
1657
    def _run_successful_test(self, test):
 
1658
        result = testtools.TestResult()
 
1659
        test.run(result)
 
1660
        self.assertTrue(result.wasSuccessful())
 
1661
        return result
 
1662
 
1640
1663
    def test_overrideAttr_without_value(self):
1641
1664
        self.test_attr = 'original' # Define a test attribute
1642
1665
        obj = self # Make 'obj' visible to the embedded test
1643
1666
        class Test(tests.TestCase):
1644
1667
 
1645
1668
            def setUp(self):
1646
 
                tests.TestCase.setUp(self)
 
1669
                super(Test, self).setUp()
1647
1670
                self.orig = self.overrideAttr(obj, 'test_attr')
1648
1671
 
1649
1672
            def test_value(self):
1652
1675
                obj.test_attr = 'modified'
1653
1676
                self.assertEqual('modified', obj.test_attr)
1654
1677
 
1655
 
        test = Test('test_value')
1656
 
        test.run(unittest.TestResult())
 
1678
        self._run_successful_test(Test('test_value'))
1657
1679
        self.assertEqual('original', obj.test_attr)
1658
1680
 
1659
1681
    def test_overrideAttr_with_value(self):
1662
1684
        class Test(tests.TestCase):
1663
1685
 
1664
1686
            def setUp(self):
1665
 
                tests.TestCase.setUp(self)
 
1687
                super(Test, self).setUp()
1666
1688
                self.orig = self.overrideAttr(obj, 'test_attr', new='modified')
1667
1689
 
1668
1690
            def test_value(self):
1669
1691
                self.assertEqual('original', self.orig)
1670
1692
                self.assertEqual('modified', obj.test_attr)
1671
1693
 
1672
 
        test = Test('test_value')
1673
 
        test.run(unittest.TestResult())
 
1694
        self._run_successful_test(Test('test_value'))
1674
1695
        self.assertEqual('original', obj.test_attr)
1675
1696
 
 
1697
    def test_overrideAttr_with_no_existing_value_and_value(self):
 
1698
        # Do not define the test_attribute
 
1699
        obj = self # Make 'obj' visible to the embedded test
 
1700
        class Test(tests.TestCase):
 
1701
 
 
1702
            def setUp(self):
 
1703
                tests.TestCase.setUp(self)
 
1704
                self.orig = self.overrideAttr(obj, 'test_attr', new='modified')
 
1705
 
 
1706
            def test_value(self):
 
1707
                self.assertEqual(tests._unitialized_attr, self.orig)
 
1708
                self.assertEqual('modified', obj.test_attr)
 
1709
 
 
1710
        self._run_successful_test(Test('test_value'))
 
1711
        self.assertRaises(AttributeError, getattr, obj, 'test_attr')
 
1712
 
 
1713
    def test_overrideAttr_with_no_existing_value_and_no_value(self):
 
1714
        # Do not define the test_attribute
 
1715
        obj = self # Make 'obj' visible to the embedded test
 
1716
        class Test(tests.TestCase):
 
1717
 
 
1718
            def setUp(self):
 
1719
                tests.TestCase.setUp(self)
 
1720
                self.orig = self.overrideAttr(obj, 'test_attr')
 
1721
 
 
1722
            def test_value(self):
 
1723
                self.assertEqual(tests._unitialized_attr, self.orig)
 
1724
                self.assertRaises(AttributeError, getattr, obj, 'test_attr')
 
1725
 
 
1726
        self._run_successful_test(Test('test_value'))
 
1727
        self.assertRaises(AttributeError, getattr, obj, 'test_attr')
 
1728
 
1676
1729
    def test_recordCalls(self):
1677
1730
        from bzrlib.tests import test_selftest
1678
1731
        calls = self.recordCalls(
1743
1796
        result = self._run_test('test_fail')
1744
1797
        self.assertEqual(1, len(result.failures))
1745
1798
        result_content = result.failures[0][1]
1746
 
        if testtools_version < (0, 9, 12):
1747
 
            self.assertContainsRe(result_content, 'Text attachment: log')
 
1799
        self.assertContainsRe(result_content,
 
1800
            '(?m)^(?:Text attachment: )?log(?:$|: )')
1748
1801
        self.assertContainsRe(result_content, 'this was a failing test')
1749
1802
 
1750
1803
    def test_error_has_log(self):
1751
1804
        result = self._run_test('test_error')
1752
1805
        self.assertEqual(1, len(result.errors))
1753
1806
        result_content = result.errors[0][1]
1754
 
        if testtools_version < (0, 9, 12):
1755
 
            self.assertContainsRe(result_content, 'Text attachment: log')
 
1807
        self.assertContainsRe(result_content,
 
1808
            '(?m)^(?:Text attachment: )?log(?:$|: )')
1756
1809
        self.assertContainsRe(result_content, 'this test errored')
1757
1810
 
1758
1811
    def test_skip_has_no_log(self):
1777
1830
        result = self._run_test('test_xfail')
1778
1831
        self.assertEqual(1, len(result.expectedFailures))
1779
1832
        result_content = result.expectedFailures[0][1]
1780
 
        self.assertNotContainsRe(result_content, 'Text attachment: log')
 
1833
        self.assertNotContainsRe(result_content,
 
1834
            '(?m)^(?:Text attachment: )?log(?:$|: )')
1781
1835
        self.assertNotContainsRe(result_content, 'test with expected failure')
1782
1836
 
1783
1837
    def test_unexpected_success_has_log(self):
1956
2010
    def test_make_branch_and_tree_with_format(self):
1957
2011
        # we should be able to supply a format to make_branch_and_tree
1958
2012
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
1959
 
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
2013
        self.assertIsInstance(bzrlib.controldir.ControlDir.open('a')._format,
1960
2014
                              bzrlib.bzrdir.BzrDirMetaFormat1)
1961
2015
 
1962
2016
    def test_make_branch_and_memory_tree(self):
2192
2246
        self.assertNotContainsRe(content, 'test with expected failure')
2193
2247
        self.assertEqual(1, len(result.expectedFailures))
2194
2248
        result_content = result.expectedFailures[0][1]
2195
 
        self.assertNotContainsRe(result_content, 'Text attachment: log')
 
2249
        self.assertNotContainsRe(result_content,
 
2250
            '(?m)^(?:Text attachment: )?log(?:$|: )')
2196
2251
        self.assertNotContainsRe(result_content, 'test with expected failure')
2197
2252
 
2198
2253
    def test_unexpected_success_has_log(self):
2393
2448
    """Base class for tests testing how we might run bzr."""
2394
2449
 
2395
2450
    def setUp(self):
2396
 
        tests.TestCaseWithTransport.setUp(self)
 
2451
        super(TestWithFakedStartBzrSubprocess, self).setUp()
2397
2452
        self.subprocess_calls = []
2398
2453
 
2399
2454
    def start_bzr_subprocess(self, process_args, env_changes=None,
2613
2668
class TestSelftestFiltering(tests.TestCase):
2614
2669
 
2615
2670
    def setUp(self):
2616
 
        tests.TestCase.setUp(self)
 
2671
        super(TestSelftestFiltering, self).setUp()
2617
2672
        self.suite = TestUtil.TestSuite()
2618
2673
        self.loader = TestUtil.TestLoader()
2619
2674
        self.suite.addTest(self.loader.loadTestsFromModule(
3314
3369
        self.assertLength(1, calls)
3315
3370
 
3316
3371
 
 
3372
class _Selftest(object):
 
3373
    """Mixin for tests needing full selftest output"""
 
3374
 
 
3375
    def _inject_stream_into_subunit(self, stream):
 
3376
        """To be overridden by subclasses that run tests out of process"""
 
3377
 
 
3378
    def _run_selftest(self, **kwargs):
 
3379
        sio = StringIO()
 
3380
        self._inject_stream_into_subunit(sio)
 
3381
        tests.selftest(stream=sio, stop_on_failure=False, **kwargs)
 
3382
        return sio.getvalue()
 
3383
 
 
3384
 
 
3385
class _ForkedSelftest(_Selftest):
 
3386
    """Mixin for tests needing full selftest output with forked children"""
 
3387
 
 
3388
    _test_needs_features = [features.subunit]
 
3389
 
 
3390
    def _inject_stream_into_subunit(self, stream):
 
3391
        """Monkey-patch subunit so the extra output goes to stream not stdout
 
3392
 
 
3393
        Some APIs need rewriting so this kind of bogus hackery can be replaced
 
3394
        by passing the stream param from run_tests down into ProtocolTestCase.
 
3395
        """
 
3396
        from subunit import ProtocolTestCase
 
3397
        _original_init = ProtocolTestCase.__init__
 
3398
        def _init_with_passthrough(self, *args, **kwargs):
 
3399
            _original_init(self, *args, **kwargs)
 
3400
            self._passthrough = stream
 
3401
        self.overrideAttr(ProtocolTestCase, "__init__", _init_with_passthrough)
 
3402
 
 
3403
    def _run_selftest(self, **kwargs):
 
3404
        # GZ 2011-05-26: Add a PosixSystem feature so this check can go away
 
3405
        if getattr(os, "fork", None) is None:
 
3406
            raise tests.TestNotApplicable("Platform doesn't support forking")
 
3407
        # Make sure the fork code is actually invoked by claiming two cores
 
3408
        self.overrideAttr(osutils, "local_concurrency", lambda: 2)
 
3409
        kwargs.setdefault("suite_decorators", []).append(tests.fork_decorator)
 
3410
        return super(_ForkedSelftest, self)._run_selftest(**kwargs)
 
3411
 
 
3412
 
 
3413
class TestParallelFork(_ForkedSelftest, tests.TestCase):
 
3414
    """Check operation of --parallel=fork selftest option"""
 
3415
 
 
3416
    def test_error_in_child_during_fork(self):
 
3417
        """Error in a forked child during test setup should get reported"""
 
3418
        class Test(tests.TestCase):
 
3419
            def testMethod(self):
 
3420
                pass
 
3421
        # We don't care what, just break something that a child will run
 
3422
        self.overrideAttr(tests, "workaround_zealous_crypto_random", None)
 
3423
        out = self._run_selftest(test_suite_factory=Test)
 
3424
        # Lines from the tracebacks of the two child processes may be mixed
 
3425
        # together due to the way subunit parses and forwards the streams,
 
3426
        # so permit extra lines between each part of the error output.
 
3427
        self.assertContainsRe(out,
 
3428
            "Traceback.*:\n"
 
3429
            "(?:.*\n)*"
 
3430
            ".+ in fork_for_tests\n"
 
3431
            "(?:.*\n)*"
 
3432
            "\s*workaround_zealous_crypto_random\(\)\n"
 
3433
            "(?:.*\n)*"
 
3434
            "TypeError:")
 
3435
 
 
3436
 
 
3437
class TestUncollectedWarnings(_Selftest, tests.TestCase):
 
3438
    """Check a test case still alive after being run emits a warning"""
 
3439
 
 
3440
    class Test(tests.TestCase):
 
3441
        def test_pass(self):
 
3442
            pass
 
3443
        def test_self_ref(self):
 
3444
            self.also_self = self.test_self_ref
 
3445
        def test_skip(self):
 
3446
            self.skip("Don't need")
 
3447
 
 
3448
    def _get_suite(self):
 
3449
        return TestUtil.TestSuite([
 
3450
            self.Test("test_pass"),
 
3451
            self.Test("test_self_ref"),
 
3452
            self.Test("test_skip"),
 
3453
            ])
 
3454
 
 
3455
    def _run_selftest_with_suite(self, **kwargs):
 
3456
        old_flags = tests.selftest_debug_flags
 
3457
        tests.selftest_debug_flags = old_flags.union(["uncollected_cases"])
 
3458
        gc_on = gc.isenabled()
 
3459
        if gc_on:
 
3460
            gc.disable()
 
3461
        try:
 
3462
            output = self._run_selftest(test_suite_factory=self._get_suite,
 
3463
                **kwargs)
 
3464
        finally:
 
3465
            if gc_on:
 
3466
                gc.enable()
 
3467
            tests.selftest_debug_flags = old_flags
 
3468
        self.assertNotContainsRe(output, "Uncollected test case.*test_pass")
 
3469
        self.assertContainsRe(output, "Uncollected test case.*test_self_ref")
 
3470
        return output
 
3471
 
 
3472
    def test_testsuite(self):
 
3473
        self._run_selftest_with_suite()
 
3474
 
 
3475
    def test_pattern(self):
 
3476
        out = self._run_selftest_with_suite(pattern="test_(?:pass|self_ref)$")
 
3477
        self.assertNotContainsRe(out, "test_skip")
 
3478
 
 
3479
    def test_exclude_pattern(self):
 
3480
        out = self._run_selftest_with_suite(exclude_pattern="test_skip$")
 
3481
        self.assertNotContainsRe(out, "test_skip")
 
3482
 
 
3483
    def test_random_seed(self):
 
3484
        self._run_selftest_with_suite(random_seed="now")
 
3485
 
 
3486
    def test_matching_tests_first(self):
 
3487
        self._run_selftest_with_suite(matching_tests_first=True,
 
3488
            pattern="test_self_ref$")
 
3489
 
 
3490
    def test_starting_with_and_exclude(self):
 
3491
        out = self._run_selftest_with_suite(starting_with=["bt."],
 
3492
            exclude_pattern="test_skip$")
 
3493
        self.assertNotContainsRe(out, "test_skip")
 
3494
 
 
3495
    def test_additonal_decorator(self):
 
3496
        out = self._run_selftest_with_suite(
 
3497
            suite_decorators=[tests.TestDecorator])
 
3498
 
 
3499
 
 
3500
class TestUncollectedWarningsSubunit(TestUncollectedWarnings):
 
3501
    """Check warnings from tests staying alive are emitted with subunit"""
 
3502
 
 
3503
    _test_needs_features = [features.subunit]
 
3504
 
 
3505
    def _run_selftest_with_suite(self, **kwargs):
 
3506
        return TestUncollectedWarnings._run_selftest_with_suite(self,
 
3507
            runner_class=tests.SubUnitBzrRunner, **kwargs)
 
3508
 
 
3509
 
 
3510
class TestUncollectedWarningsForked(_ForkedSelftest, TestUncollectedWarnings):
 
3511
    """Check warnings from tests staying alive are emitted when forking"""
 
3512
 
 
3513
 
3317
3514
class TestEnvironHandling(tests.TestCase):
3318
3515
 
3319
3516
    def test_overrideEnv_None_called_twice_doesnt_leak(self):