1654
1659
test.run(unittest.TestResult())
1655
1660
self.assertEqual('original', obj.test_attr)
1662
def test_recordCalls(self):
1663
from bzrlib.tests import test_selftest
1664
calls = self.recordCalls(
1665
test_selftest, '_add_numbers')
1666
self.assertEqual(test_selftest._add_numbers(2, 10),
1668
self.assertEquals(calls, [((2, 10), {})])
1671
def _add_numbers(a, b):
1675
class _MissingFeature(features.Feature):
1678
missing_feature = _MissingFeature()
1681
def _get_test(name):
1682
"""Get an instance of a specific example test.
1684
We protect this in a function so that they don't auto-run in the test
1688
class ExampleTests(tests.TestCase):
1690
def test_fail(self):
1691
mutter('this was a failing test')
1692
self.fail('this test will fail')
1694
def test_error(self):
1695
mutter('this test errored')
1696
raise RuntimeError('gotcha')
1698
def test_missing_feature(self):
1699
mutter('missing the feature')
1700
self.requireFeature(missing_feature)
1702
def test_skip(self):
1703
mutter('this test will be skipped')
1704
raise tests.TestSkipped('reason')
1706
def test_success(self):
1707
mutter('this test succeeds')
1709
def test_xfail(self):
1710
mutter('test with expected failure')
1711
self.knownFailure('this_fails')
1713
def test_unexpected_success(self):
1714
mutter('test with unexpected success')
1715
self.expectFailure('should_fail', lambda: None)
1717
return ExampleTests(name)
1720
class TestTestCaseLogDetails(tests.TestCase):
1722
def _run_test(self, test_name):
1723
test = _get_test(test_name)
1724
result = testtools.TestResult()
1728
def test_fail_has_log(self):
1729
result = self._run_test('test_fail')
1730
self.assertEqual(1, len(result.failures))
1731
result_content = result.failures[0][1]
1732
self.assertContainsRe(result_content,
1733
'(?m)^(?:Text attachment: )?log(?:$|: )')
1734
self.assertContainsRe(result_content, 'this was a failing test')
1736
def test_error_has_log(self):
1737
result = self._run_test('test_error')
1738
self.assertEqual(1, len(result.errors))
1739
result_content = result.errors[0][1]
1740
self.assertContainsRe(result_content,
1741
'(?m)^(?:Text attachment: )?log(?:$|: )')
1742
self.assertContainsRe(result_content, 'this test errored')
1744
def test_skip_has_no_log(self):
1745
result = self._run_test('test_skip')
1746
self.assertEqual(['reason'], result.skip_reasons.keys())
1747
skips = result.skip_reasons['reason']
1748
self.assertEqual(1, len(skips))
1750
self.assertFalse('log' in test.getDetails())
1752
def test_missing_feature_has_no_log(self):
1753
# testtools doesn't know about addNotSupported, so it just gets
1754
# considered as a skip
1755
result = self._run_test('test_missing_feature')
1756
self.assertEqual([missing_feature], result.skip_reasons.keys())
1757
skips = result.skip_reasons[missing_feature]
1758
self.assertEqual(1, len(skips))
1760
self.assertFalse('log' in test.getDetails())
1762
def test_xfail_has_no_log(self):
1763
result = self._run_test('test_xfail')
1764
self.assertEqual(1, len(result.expectedFailures))
1765
result_content = result.expectedFailures[0][1]
1766
self.assertNotContainsRe(result_content,
1767
'(?m)^(?:Text attachment: )?log(?:$|: )')
1768
self.assertNotContainsRe(result_content, 'test with expected failure')
1770
def test_unexpected_success_has_log(self):
1771
result = self._run_test('test_unexpected_success')
1772
self.assertEqual(1, len(result.unexpectedSuccesses))
1773
# Inconsistency, unexpectedSuccesses is a list of tests,
1774
# expectedFailures is a list of reasons?
1775
test = result.unexpectedSuccesses[0]
1776
details = test.getDetails()
1777
self.assertTrue('log' in details)
1780
class TestTestCloning(tests.TestCase):
1781
"""Tests that test cloning of TestCases (as used by multiply_tests)."""
1783
def test_cloned_testcase_does_not_share_details(self):
1784
"""A TestCase cloned with clone_test does not share mutable attributes
1785
such as details or cleanups.
1787
class Test(tests.TestCase):
1789
self.addDetail('foo', Content('text/plain', lambda: 'foo'))
1790
orig_test = Test('test_foo')
1791
cloned_test = tests.clone_test(orig_test, orig_test.id() + '(cloned)')
1792
orig_test.run(unittest.TestResult())
1793
self.assertEqual('foo', orig_test.getDetails()['foo'].iter_bytes())
1794
self.assertEqual(None, cloned_test.getDetails().get('foo'))
1796
def test_double_apply_scenario_preserves_first_scenario(self):
1797
"""Applying two levels of scenarios to a test preserves the attributes
1798
added by both scenarios.
1800
class Test(tests.TestCase):
1803
test = Test('test_foo')
1804
scenarios_x = [('x=1', {'x': 1}), ('x=2', {'x': 2})]
1805
scenarios_y = [('y=1', {'y': 1}), ('y=2', {'y': 2})]
1806
suite = tests.multiply_tests(test, scenarios_x, unittest.TestSuite())
1807
suite = tests.multiply_tests(suite, scenarios_y, unittest.TestSuite())
1808
all_tests = list(tests.iter_suite_tests(suite))
1809
self.assertLength(4, all_tests)
1810
all_xys = sorted((t.x, t.y) for t in all_tests)
1811
self.assertEqual([(1, 1), (1, 2), (2, 1), (2, 2)], all_xys)
1658
1814
# NB: Don't delete this; it's not actually from 0.11!
1659
1815
@deprecated_function(deprecated_in((0, 11, 0)))
1971
2124
load_list='missing file name', list_only=True)
2127
class TestSubunitLogDetails(tests.TestCase, SelfTestHelper):
2129
_test_needs_features = [features.subunit]
2131
def run_subunit_stream(self, test_name):
2132
from subunit import ProtocolTestCase
2134
return TestUtil.TestSuite([_get_test(test_name)])
2135
stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
2136
test_suite_factory=factory)
2137
test = ProtocolTestCase(stream)
2138
result = testtools.TestResult()
2140
content = stream.getvalue()
2141
return content, result
2143
def test_fail_has_log(self):
2144
content, result = self.run_subunit_stream('test_fail')
2145
self.assertEqual(1, len(result.failures))
2146
self.assertContainsRe(content, '(?m)^log$')
2147
self.assertContainsRe(content, 'this test will fail')
2149
def test_error_has_log(self):
2150
content, result = self.run_subunit_stream('test_error')
2151
self.assertContainsRe(content, '(?m)^log$')
2152
self.assertContainsRe(content, 'this test errored')
2154
def test_skip_has_no_log(self):
2155
content, result = self.run_subunit_stream('test_skip')
2156
self.assertNotContainsRe(content, '(?m)^log$')
2157
self.assertNotContainsRe(content, 'this test will be skipped')
2158
self.assertEqual(['reason'], result.skip_reasons.keys())
2159
skips = result.skip_reasons['reason']
2160
self.assertEqual(1, len(skips))
2162
# RemotedTestCase doesn't preserve the "details"
2163
## self.assertFalse('log' in test.getDetails())
2165
def test_missing_feature_has_no_log(self):
2166
content, result = self.run_subunit_stream('test_missing_feature')
2167
self.assertNotContainsRe(content, '(?m)^log$')
2168
self.assertNotContainsRe(content, 'missing the feature')
2169
self.assertEqual(['_MissingFeature\n'], result.skip_reasons.keys())
2170
skips = result.skip_reasons['_MissingFeature\n']
2171
self.assertEqual(1, len(skips))
2173
# RemotedTestCase doesn't preserve the "details"
2174
## self.assertFalse('log' in test.getDetails())
2176
def test_xfail_has_no_log(self):
2177
content, result = self.run_subunit_stream('test_xfail')
2178
self.assertNotContainsRe(content, '(?m)^log$')
2179
self.assertNotContainsRe(content, 'test with expected failure')
2180
self.assertEqual(1, len(result.expectedFailures))
2181
result_content = result.expectedFailures[0][1]
2182
self.assertNotContainsRe(result_content,
2183
'(?m)^(?:Text attachment: )?log(?:$|: )')
2184
self.assertNotContainsRe(result_content, 'test with expected failure')
2186
def test_unexpected_success_has_log(self):
2187
content, result = self.run_subunit_stream('test_unexpected_success')
2188
self.assertContainsRe(content, '(?m)^log$')
2189
self.assertContainsRe(content, 'test with unexpected success')
2190
# GZ 2011-05-18: Old versions of subunit treat unexpected success as a
2191
# success, if a min version check is added remove this
2192
from subunit import TestProtocolClient as _Client
2193
if _Client.addUnexpectedSuccess.im_func is _Client.addSuccess.im_func:
2194
self.expectFailure('subunit treats "unexpectedSuccess"'
2195
' as a plain success',
2196
self.assertEqual, 1, len(result.unexpectedSuccesses))
2197
self.assertEqual(1, len(result.unexpectedSuccesses))
2198
test = result.unexpectedSuccesses[0]
2199
# RemotedTestCase doesn't preserve the "details"
2200
## self.assertTrue('log' in test.getDetails())
2202
def test_success_has_no_log(self):
2203
content, result = self.run_subunit_stream('test_success')
2204
self.assertEqual(1, result.testsRun)
2205
self.assertNotContainsRe(content, '(?m)^log$')
2206
self.assertNotContainsRe(content, 'this test succeeds')
1974
2209
class TestRunBzr(tests.TestCase):
2357
2598
self.assertEqual('bzr: interrupted\n', result[1])
2360
class TestFeature(tests.TestCase):
2362
def test_caching(self):
2363
"""Feature._probe is called by the feature at most once."""
2364
class InstrumentedFeature(tests.Feature):
2366
super(InstrumentedFeature, self).__init__()
2369
self.calls.append('_probe')
2371
feature = InstrumentedFeature()
2373
self.assertEqual(['_probe'], feature.calls)
2375
self.assertEqual(['_probe'], feature.calls)
2377
def test_named_str(self):
2378
"""Feature.__str__ should thunk to feature_name()."""
2379
class NamedFeature(tests.Feature):
2380
def feature_name(self):
2382
feature = NamedFeature()
2383
self.assertEqual('symlinks', str(feature))
2385
def test_default_str(self):
2386
"""Feature.__str__ should default to __class__.__name__."""
2387
class NamedFeature(tests.Feature):
2389
feature = NamedFeature()
2390
self.assertEqual('NamedFeature', str(feature))
2393
class TestUnavailableFeature(tests.TestCase):
2395
def test_access_feature(self):
2396
feature = tests.Feature()
2397
exception = tests.UnavailableFeature(feature)
2398
self.assertIs(feature, exception.args[0])
2401
simple_thunk_feature = tests._CompatabilityThunkFeature(
2402
deprecated_in((2, 1, 0)),
2403
'bzrlib.tests.test_selftest',
2404
'simple_thunk_feature','UnicodeFilename',
2405
replacement_module='bzrlib.tests'
2408
class Test_CompatibilityFeature(tests.TestCase):
2410
def test_does_thunk(self):
2411
res = self.callDeprecated(
2412
['bzrlib.tests.test_selftest.simple_thunk_feature was deprecated'
2413
' in version 2.1.0. Use bzrlib.tests.UnicodeFilename instead.'],
2414
simple_thunk_feature.available)
2415
self.assertEqual(tests.UnicodeFilename.available(), res)
2418
class TestModuleAvailableFeature(tests.TestCase):
2420
def test_available_module(self):
2421
feature = tests.ModuleAvailableFeature('bzrlib.tests')
2422
self.assertEqual('bzrlib.tests', feature.module_name)
2423
self.assertEqual('bzrlib.tests', str(feature))
2424
self.assertTrue(feature.available())
2425
self.assertIs(tests, feature.module)
2427
def test_unavailable_module(self):
2428
feature = tests.ModuleAvailableFeature('bzrlib.no_such_module_exists')
2429
self.assertEqual('bzrlib.no_such_module_exists', str(feature))
2430
self.assertFalse(feature.available())
2431
self.assertIs(None, feature.module)
2434
2601
class TestSelftestFiltering(tests.TestCase):
2436
2603
def setUp(self):
2960
3128
self.assertEquals('bzrlib.plugins', tpr.resolve_alias('bp'))
3131
class TestThreadLeakDetection(tests.TestCase):
3132
"""Ensure when tests leak threads we detect and report it"""
3134
class LeakRecordingResult(tests.ExtendedTestResult):
3136
tests.ExtendedTestResult.__init__(self, StringIO(), 0, 1)
3138
def _report_thread_leak(self, test, leaks, alive):
3139
self.leaks.append((test, leaks))
3141
def test_testcase_without_addCleanups(self):
3142
"""Check old TestCase instances don't break with leak detection"""
3143
class Test(unittest.TestCase):
3146
result = self.LeakRecordingResult()
3148
result.startTestRun()
3150
result.stopTestRun()
3151
self.assertEqual(result._tests_leaking_threads_count, 0)
3152
self.assertEqual(result.leaks, [])
3154
def test_thread_leak(self):
3155
"""Ensure a thread that outlives the running of a test is reported
3157
Uses a thread that blocks on an event, and is started by the inner
3158
test case. As the thread outlives the inner case's run, it should be
3159
detected as a leak, but the event is then set so that the thread can
3160
be safely joined in cleanup so it's not leaked for real.
3162
event = threading.Event()
3163
thread = threading.Thread(name="Leaker", target=event.wait)
3164
class Test(tests.TestCase):
3165
def test_leak(self):
3167
result = self.LeakRecordingResult()
3168
test = Test("test_leak")
3169
self.addCleanup(thread.join)
3170
self.addCleanup(event.set)
3171
result.startTestRun()
3173
result.stopTestRun()
3174
self.assertEqual(result._tests_leaking_threads_count, 1)
3175
self.assertEqual(result._first_thread_leaker_id, test.id())
3176
self.assertEqual(result.leaks, [(test, set([thread]))])
3177
self.assertContainsString(result.stream.getvalue(), "leaking threads")
3179
def test_multiple_leaks(self):
3180
"""Check multiple leaks are blamed on the test cases at fault
3182
Same concept as the previous test, but has one inner test method that
3183
leaks two threads, and one that doesn't leak at all.
3185
event = threading.Event()
3186
thread_a = threading.Thread(name="LeakerA", target=event.wait)
3187
thread_b = threading.Thread(name="LeakerB", target=event.wait)
3188
thread_c = threading.Thread(name="LeakerC", target=event.wait)
3189
class Test(tests.TestCase):
3190
def test_first_leak(self):
3192
def test_second_no_leak(self):
3194
def test_third_leak(self):
3197
result = self.LeakRecordingResult()
3198
first_test = Test("test_first_leak")
3199
third_test = Test("test_third_leak")
3200
self.addCleanup(thread_a.join)
3201
self.addCleanup(thread_b.join)
3202
self.addCleanup(thread_c.join)
3203
self.addCleanup(event.set)
3204
result.startTestRun()
3206
[first_test, Test("test_second_no_leak"), third_test]
3208
result.stopTestRun()
3209
self.assertEqual(result._tests_leaking_threads_count, 2)
3210
self.assertEqual(result._first_thread_leaker_id, first_test.id())
3211
self.assertEqual(result.leaks, [
3212
(first_test, set([thread_b])),
3213
(third_test, set([thread_a, thread_c]))])
3214
self.assertContainsString(result.stream.getvalue(), "leaking threads")
3217
class TestPostMortemDebugging(tests.TestCase):
3218
"""Check post mortem debugging works when tests fail or error"""
3220
class TracebackRecordingResult(tests.ExtendedTestResult):
3222
tests.ExtendedTestResult.__init__(self, StringIO(), 0, 1)
3223
self.postcode = None
3224
def _post_mortem(self, tb=None):
3225
"""Record the code object at the end of the current traceback"""
3226
tb = tb or sys.exc_info()[2]
3229
while next is not None:
3232
self.postcode = tb.tb_frame.f_code
3233
def report_error(self, test, err):
3235
def report_failure(self, test, err):
3238
def test_location_unittest_error(self):
3239
"""Needs right post mortem traceback with erroring unittest case"""
3240
class Test(unittest.TestCase):
3243
result = self.TracebackRecordingResult()
3245
self.assertEqual(result.postcode, Test.runTest.func_code)
3247
def test_location_unittest_failure(self):
3248
"""Needs right post mortem traceback with failing unittest case"""
3249
class Test(unittest.TestCase):
3251
raise self.failureException
3252
result = self.TracebackRecordingResult()
3254
self.assertEqual(result.postcode, Test.runTest.func_code)
3256
def test_location_bt_error(self):
3257
"""Needs right post mortem traceback with erroring bzrlib.tests case"""
3258
class Test(tests.TestCase):
3259
def test_error(self):
3261
result = self.TracebackRecordingResult()
3262
Test("test_error").run(result)
3263
self.assertEqual(result.postcode, Test.test_error.func_code)
3265
def test_location_bt_failure(self):
3266
"""Needs right post mortem traceback with failing bzrlib.tests case"""
3267
class Test(tests.TestCase):
3268
def test_failure(self):
3269
raise self.failureException
3270
result = self.TracebackRecordingResult()
3271
Test("test_failure").run(result)
3272
self.assertEqual(result.postcode, Test.test_failure.func_code)
3274
def test_env_var_triggers_post_mortem(self):
3275
"""Check pdb.post_mortem is called iff BZR_TEST_PDB is set"""
3277
result = tests.ExtendedTestResult(StringIO(), 0, 1)
3278
post_mortem_calls = []
3279
self.overrideAttr(pdb, "post_mortem", post_mortem_calls.append)
3280
self.overrideEnv('BZR_TEST_PDB', None)
3281
result._post_mortem(1)
3282
self.overrideEnv('BZR_TEST_PDB', 'on')
3283
result._post_mortem(2)
3284
self.assertEqual([2], post_mortem_calls)
2963
3287
class TestRunSuite(tests.TestCase):
2965
3289
def test_runner_class(self):
2976
3300
self.verbosity)
2977
3301
tests.run_suite(suite, runner_class=MyRunner, stream=StringIO())
2978
3302
self.assertLength(1, calls)
3305
class _Selftest(object):
3306
"""Mixin for tests needing full selftest output"""
3308
def _inject_stream_into_subunit(self, stream):
3309
"""To be overridden by subclasses that run tests out of process"""
3311
def _run_selftest(self, **kwargs):
3313
self._inject_stream_into_subunit(sio)
3314
tests.selftest(stream=sio, stop_on_failure=False, **kwargs)
3315
return sio.getvalue()
3318
class _ForkedSelftest(_Selftest):
3319
"""Mixin for tests needing full selftest output with forked children"""
3321
_test_needs_features = [features.subunit]
3323
def _inject_stream_into_subunit(self, stream):
3324
"""Monkey-patch subunit so the extra output goes to stream not stdout
3326
Some APIs need rewriting so this kind of bogus hackery can be replaced
3327
by passing the stream param from run_tests down into ProtocolTestCase.
3329
from subunit import ProtocolTestCase
3330
_original_init = ProtocolTestCase.__init__
3331
def _init_with_passthrough(self, *args, **kwargs):
3332
_original_init(self, *args, **kwargs)
3333
self._passthrough = stream
3334
self.overrideAttr(ProtocolTestCase, "__init__", _init_with_passthrough)
3336
def _run_selftest(self, **kwargs):
3337
# GZ 2011-05-26: Add a PosixSystem feature so this check can go away
3338
if getattr(os, "fork", None) is None:
3339
raise tests.TestNotApplicable("Platform doesn't support forking")
3340
# Make sure the fork code is actually invoked by claiming two cores
3341
self.overrideAttr(osutils, "local_concurrency", lambda: 2)
3342
kwargs.setdefault("suite_decorators", []).append(tests.fork_decorator)
3343
return super(_ForkedSelftest, self)._run_selftest(**kwargs)
3346
class TestParallelFork(_ForkedSelftest, tests.TestCase):
3347
"""Check operation of --parallel=fork selftest option"""
3349
def test_error_in_child_during_fork(self):
3350
"""Error in a forked child during test setup should get reported"""
3351
class Test(tests.TestCase):
3352
def testMethod(self):
3354
# We don't care what, just break something that a child will run
3355
self.overrideAttr(tests, "workaround_zealous_crypto_random", None)
3356
out = self._run_selftest(test_suite_factory=Test)
3357
self.assertContainsRe(out,
3359
".+ in fork_for_tests\n"
3360
"\s*workaround_zealous_crypto_random\(\)\n"
3364
class TestUncollectedWarnings(_Selftest, tests.TestCase):
3365
"""Check a test case still alive after being run emits a warning"""
3367
class Test(tests.TestCase):
3368
def test_pass(self):
3370
def test_self_ref(self):
3371
self.also_self = self.test_self_ref
3372
def test_skip(self):
3373
self.skip("Don't need")
3375
def _get_suite(self):
3376
return TestUtil.TestSuite([
3377
self.Test("test_pass"),
3378
self.Test("test_self_ref"),
3379
self.Test("test_skip"),
3382
def _run_selftest_with_suite(self, **kwargs):
3383
old_flags = tests.selftest_debug_flags
3384
tests.selftest_debug_flags = old_flags.union(["uncollected_cases"])
3385
gc_on = gc.isenabled()
3389
output = self._run_selftest(test_suite_factory=self._get_suite,
3394
tests.selftest_debug_flags = old_flags
3395
self.assertNotContainsRe(output, "Uncollected test case.*test_pass")
3396
self.assertContainsRe(output, "Uncollected test case.*test_self_ref")
3399
def test_testsuite(self):
3400
self._run_selftest_with_suite()
3402
def test_pattern(self):
3403
out = self._run_selftest_with_suite(pattern="test_(?:pass|self_ref)$")
3404
self.assertNotContainsRe(out, "test_skip")
3406
def test_exclude_pattern(self):
3407
out = self._run_selftest_with_suite(exclude_pattern="test_skip$")
3408
self.assertNotContainsRe(out, "test_skip")
3410
def test_random_seed(self):
3411
self._run_selftest_with_suite(random_seed="now")
3413
def test_matching_tests_first(self):
3414
self._run_selftest_with_suite(matching_tests_first=True,
3415
pattern="test_self_ref$")
3417
def test_starting_with_and_exclude(self):
3418
out = self._run_selftest_with_suite(starting_with=["bt."],
3419
exclude_pattern="test_skip$")
3420
self.assertNotContainsRe(out, "test_skip")
3422
def test_additonal_decorator(self):
3423
out = self._run_selftest_with_suite(
3424
suite_decorators=[tests.TestDecorator])
3427
class TestUncollectedWarningsSubunit(TestUncollectedWarnings):
3428
"""Check warnings from tests staying alive are emitted with subunit"""
3430
_test_needs_features = [features.subunit]
3432
def _run_selftest_with_suite(self, **kwargs):
3433
return TestUncollectedWarnings._run_selftest_with_suite(self,
3434
runner_class=tests.SubUnitBzrRunner, **kwargs)
3437
class TestUncollectedWarningsForked(_ForkedSelftest, TestUncollectedWarnings):
3438
"""Check warnings from tests staying alive are emitted when forking"""
3441
class TestEnvironHandling(tests.TestCase):
3443
def test_overrideEnv_None_called_twice_doesnt_leak(self):
3444
self.assertFalse('MYVAR' in os.environ)
3445
self.overrideEnv('MYVAR', '42')
3446
# We use an embedded test to make sure we fix the _captureVar bug
3447
class Test(tests.TestCase):
3449
# The first call save the 42 value
3450
self.overrideEnv('MYVAR', None)
3451
self.assertEquals(None, os.environ.get('MYVAR'))
3452
# Make sure we can call it twice
3453
self.overrideEnv('MYVAR', None)
3454
self.assertEquals(None, os.environ.get('MYVAR'))
3456
result = tests.TextTestResult(output, 0, 1)
3457
Test('test_me').run(result)
3458
if not result.wasStrictlySuccessful():
3459
self.fail(output.getvalue())
3460
# We get our value back
3461
self.assertEquals('42', os.environ.get('MYVAR'))
3464
class TestIsolatedEnv(tests.TestCase):
3465
"""Test isolating tests from os.environ.
3467
Since we use tests that are already isolated from os.environ a bit of care
3468
should be taken when designing the tests to avoid bootstrap side-effects.
3469
The tests start an already clean os.environ which allow doing valid
3470
assertions about which variables are present or not and design tests around
3474
class ScratchMonkey(tests.TestCase):
3479
def test_basics(self):
3480
# Make sure we know the definition of BZR_HOME: not part of os.environ
3481
# for tests.TestCase.
3482
self.assertTrue('BZR_HOME' in tests.isolated_environ)
3483
self.assertEquals(None, tests.isolated_environ['BZR_HOME'])
3484
# Being part of isolated_environ, BZR_HOME should not appear here
3485
self.assertFalse('BZR_HOME' in os.environ)
3486
# Make sure we know the definition of LINES: part of os.environ for
3488
self.assertTrue('LINES' in tests.isolated_environ)
3489
self.assertEquals('25', tests.isolated_environ['LINES'])
3490
self.assertEquals('25', os.environ['LINES'])
3492
def test_injecting_unknown_variable(self):
3493
# BZR_HOME is known to be absent from os.environ
3494
test = self.ScratchMonkey('test_me')
3495
tests.override_os_environ(test, {'BZR_HOME': 'foo'})
3496
self.assertEquals('foo', os.environ['BZR_HOME'])
3497
tests.restore_os_environ(test)
3498
self.assertFalse('BZR_HOME' in os.environ)
3500
def test_injecting_known_variable(self):
3501
test = self.ScratchMonkey('test_me')
3502
# LINES is known to be present in os.environ
3503
tests.override_os_environ(test, {'LINES': '42'})
3504
self.assertEquals('42', os.environ['LINES'])
3505
tests.restore_os_environ(test)
3506
self.assertEquals('25', os.environ['LINES'])
3508
def test_deleting_variable(self):
3509
test = self.ScratchMonkey('test_me')
3510
# LINES is known to be present in os.environ
3511
tests.override_os_environ(test, {'LINES': None})
3512
self.assertTrue('LINES' not in os.environ)
3513
tests.restore_os_environ(test)
3514
self.assertEquals('25', os.environ['LINES'])
3517
class TestDocTestSuiteIsolation(tests.TestCase):
3518
"""Test that `tests.DocTestSuite` isolates doc tests from os.environ.
3520
Since tests.TestCase alreay provides an isolation from os.environ, we use
3521
the clean environment as a base for testing. To precisely capture the
3522
isolation provided by tests.DocTestSuite, we use doctest.DocTestSuite to
3525
We want to make sure `tests.DocTestSuite` respect `tests.isolated_environ`,
3526
not `os.environ` so each test overrides it to suit its needs.
3530
def get_doctest_suite_for_string(self, klass, string):
3531
class Finder(doctest.DocTestFinder):
3533
def find(*args, **kwargs):
3534
test = doctest.DocTestParser().get_doctest(
3535
string, {}, 'foo', 'foo.py', 0)
3538
suite = klass(test_finder=Finder())
3541
def run_doctest_suite_for_string(self, klass, string):
3542
suite = self.get_doctest_suite_for_string(klass, string)
3544
result = tests.TextTestResult(output, 0, 1)
3546
return result, output
3548
def assertDocTestStringSucceds(self, klass, string):
3549
result, output = self.run_doctest_suite_for_string(klass, string)
3550
if not result.wasStrictlySuccessful():
3551
self.fail(output.getvalue())
3553
def assertDocTestStringFails(self, klass, string):
3554
result, output = self.run_doctest_suite_for_string(klass, string)
3555
if result.wasStrictlySuccessful():
3556
self.fail(output.getvalue())
3558
def test_injected_variable(self):
3559
self.overrideAttr(tests, 'isolated_environ', {'LINES': '42'})
3562
>>> os.environ['LINES']
3565
# doctest.DocTestSuite fails as it sees '25'
3566
self.assertDocTestStringFails(doctest.DocTestSuite, test)
3567
# tests.DocTestSuite sees '42'
3568
self.assertDocTestStringSucceds(tests.IsolatedDocTestSuite, test)
3570
def test_deleted_variable(self):
3571
self.overrideAttr(tests, 'isolated_environ', {'LINES': None})
3574
>>> os.environ.get('LINES')
3576
# doctest.DocTestSuite fails as it sees '25'
3577
self.assertDocTestStringFails(doctest.DocTestSuite, test)
3578
# tests.DocTestSuite sees None
3579
self.assertDocTestStringSucceds(tests.IsolatedDocTestSuite, test)
3582
class TestSelftestExcludePatterns(tests.TestCase):
3585
super(TestSelftestExcludePatterns, self).setUp()
3586
self.overrideAttr(tests, 'test_suite', self.suite_factory)
3588
def suite_factory(self, keep_only=None, starting_with=None):
3589
"""A test suite factory with only a few tests."""
3590
class Test(tests.TestCase):
3592
# We don't need the full class path
3593
return self._testMethodName
3600
return TestUtil.TestSuite([Test("a"), Test("b"), Test("c")])
3602
def assertTestList(self, expected, *selftest_args):
3603
# We rely on setUp installing the right test suite factory so we can
3604
# test at the command level without loading the whole test suite
3605
out, err = self.run_bzr(('selftest', '--list') + selftest_args)
3606
actual = out.splitlines()
3607
self.assertEquals(expected, actual)
3609
def test_full_list(self):
3610
self.assertTestList(['a', 'b', 'c'])
3612
def test_single_exclude(self):
3613
self.assertTestList(['b', 'c'], '-x', 'a')
3615
def test_mutiple_excludes(self):
3616
self.assertTestList(['c'], '-x', 'a', '-x', 'b')
3619
class TestCounterHooks(tests.TestCase, SelfTestHelper):
3621
_test_needs_features = [features.subunit]
3624
super(TestCounterHooks, self).setUp()
3625
class Test(tests.TestCase):
3628
super(Test, self).setUp()
3629
self.hooks = hooks.Hooks()
3630
self.hooks.add_hook('myhook', 'Foo bar blah', (2,4))
3631
self.install_counter_hook(self.hooks, 'myhook')
3636
def run_hook_once(self):
3637
for hook in self.hooks['myhook']:
3640
self.test_class = Test
3642
def assertHookCalls(self, expected_calls, test_name):
3643
test = self.test_class(test_name)
3644
result = unittest.TestResult()
3646
self.assertTrue(hasattr(test, '_counters'))
3647
self.assertTrue(test._counters.has_key('myhook'))
3648
self.assertEquals(expected_calls, test._counters['myhook'])
3650
def test_no_hook(self):
3651
self.assertHookCalls(0, 'no_hook')
3653
def test_run_hook_once(self):
3654
tt = features.testtools
3655
if tt.module.__version__ < (0, 9, 8):
3656
raise tests.TestSkipped('testtools-0.9.8 required for addDetail')
3657
self.assertHookCalls(1, 'run_hook_once')
added
removed
bzrlib/tests/test_selftest.py
