~bzr-pqm/bzr/bzr.dev
» Revision
5416.1.8
(compared to revision 5452)
: bzrlib/tests/test_selftest.py
« back to all changes in this revision
Viewing changes to bzrlib/tests/test_selftest.py
- browse files at revision 5416.1.8
- compare with another revision
- download diff
- download tarball
- view history from revision 5416.1.8
- Committer: Martin Pool
- Date: 2010-09-13 08:55:08 UTC
- mfrom: (5417.1.5 scripts)
- mto: This revision was merged to the branch mainline in revision 5426.
- Revision ID: mbp@sourcefrog.net-20100913085508-oz74wnsz53hjd4yf
Merge additional fixes for blank lines in scripts
- files removed:
- bzrlib/tests/per_bzrdir
- files modified:
- NEWS
added
removed
bzrlib/tests/test_selftest.py
21
21
import os
22
22
import signal
23
23
import sys
24
import threading
25
24
import time
26
25
import unittest
27
26
import warnings
28
27
29
28
from testtools import MultiTestResult
30
from testtools.content import Content
31
29
from testtools.content_type import ContentType
32
30
from testtools.matchers import (
33
31
DocTestMatches,
44
42
lockdir,
45
43
memorytree,
46
44
osutils,
45
progress,
47
46
remote,
48
47
repository,
49
48
symbol_versioning,
68
67
test_sftp_transport,
69
68
TestUtil,
70
69
)
71
from bzrlib.trace import note, mutter
70
from bzrlib.trace import note
72
71
from bzrlib.transport import memory
73
72
from bzrlib.version import _get_bzr_source_tree
74
73
326
325
from bzrlib.tests.per_interrepository import make_scenarios
327
326
server1 = "a"
328
327
server2 = "b"
329
formats = [("C0", "C1", "C2", "C3"), ("D0", "D1", "D2", "D3")]
328
formats = [("C0", "C1", "C2"), ("D0", "D1", "D2")]
330
329
scenarios = make_scenarios(server1, server2, formats)
331
330
self.assertEqual([
332
331
('C0,str,str',
333
332
{'repository_format': 'C1',
334
333
'repository_format_to': 'C2',
335
334
'transport_readonly_server': 'b',
336
'transport_server': 'a',
337
'extra_setup': 'C3'}),
335
'transport_server': 'a'}),
338
336
('D0,str,str',
339
337
{'repository_format': 'D1',
340
338
'repository_format_to': 'D2',
341
339
'transport_readonly_server': 'b',
342
'transport_server': 'a',
343
'extra_setup': 'D3'})],
340
'transport_server': 'a'})],
344
341
scenarios)
345
342
346
343
627
624
result = test.run()
628
625
total_failures = result.errors + result.failures
629
626
if self._lock_check_thorough:
630
self.assertEqual(1, len(total_failures))
627
self.assertLength(1, total_failures)
631
628
else:
632
629
# When _lock_check_thorough is disabled, then we don't trigger a
633
630
# failure
634
self.assertEqual(0, len(total_failures))
631
self.assertLength(0, total_failures)
635
632
636
633
637
634
class TestTestCaseWithTransport(tests.TestCaseWithTransport):
853
850
"""A KnownFailure being raised should trigger several result actions."""
854
851
class InstrumentedTestResult(tests.ExtendedTestResult):
855
852
def stopTestRun(self): pass
856
def report_tests_starting(self): pass
853
def startTests(self): pass
854
def report_test_start(self, test): pass
857
855
def report_known_failure(self, test, err=None, details=None):
858
856
self._call = test, 'known failure'
859
857
result = InstrumentedTestResult(None, None, None, None)
909
907
"""Test the behaviour of invoking addNotSupported."""
910
908
class InstrumentedTestResult(tests.ExtendedTestResult):
911
909
def stopTestRun(self): pass
912
def report_tests_starting(self): pass
910
def startTests(self): pass
911
def report_test_start(self, test): pass
913
912
def report_unsupported(self, test, feature):
914
913
self._call = test, feature
915
914
result = InstrumentedTestResult(None, None, None, None)
954
953
"""An UnavailableFeature being raised should invoke addNotSupported."""
955
954
class InstrumentedTestResult(tests.ExtendedTestResult):
956
955
def stopTestRun(self): pass
957
def report_tests_starting(self): pass
956
def startTests(self): pass
957
def report_test_start(self, test): pass
958
958
def addNotSupported(self, test, feature):
959
959
self._call = test, feature
960
960
result = InstrumentedTestResult(None, None, None, None)
1002
1002
class InstrumentedTestResult(tests.ExtendedTestResult):
1003
1003
calls = 0
1004
1004
def startTests(self): self.calls += 1
1005
def report_test_start(self, test): pass
1005
1006
result = InstrumentedTestResult(None, None, None, None)
1006
1007
def test_function():
1007
1008
pass
1009
1010
test.run(result)
1010
1011
self.assertEquals(1, result.calls)
1011
1012
1012
def test_startTests_only_once(self):
1013
"""With multiple tests startTests should still only be called once"""
1014
class InstrumentedTestResult(tests.ExtendedTestResult):
1015
calls = 0
1016
def startTests(self): self.calls += 1
1017
result = InstrumentedTestResult(None, None, None, None)
1018
suite = unittest.TestSuite([
1019
unittest.FunctionTestCase(lambda: None),
1020
unittest.FunctionTestCase(lambda: None)])
1021
suite.run(result)
1022
self.assertEquals(1, result.calls)
1023
self.assertEquals(2, result.count)
1024
1025
1013
1026
1014
class TestUnicodeFilenameFeature(tests.TestCase):
1027
1015
1048
1036
because of our use of global state.
1049
1037
"""
1050
1038
old_root = tests.TestCaseInTempDir.TEST_ROOT
1039
old_leak = tests.TestCase._first_thread_leaker_id
1051
1040
try:
1052
1041
tests.TestCaseInTempDir.TEST_ROOT = None
1042
tests.TestCase._first_thread_leaker_id = None
1053
1043
return testrunner.run(test)
1054
1044
finally:
1055
1045
tests.TestCaseInTempDir.TEST_ROOT = old_root
1046
tests.TestCase._first_thread_leaker_id = old_leak
1056
1047
1057
1048
def test_known_failure_failed_run(self):
1058
1049
# run a test that generates a known failure which should be printed in
1236
1227
self.assertContainsRe(output_string, "--date [0-9.]+")
1237
1228
self.assertLength(1, self._get_source_tree_calls)
1238
1229
1239
def test_verbose_test_count(self):
1240
"""A verbose test run reports the right test count at the start"""
1241
suite = TestUtil.TestSuite([
1242
unittest.FunctionTestCase(lambda:None),
1243
unittest.FunctionTestCase(lambda:None)])
1244
self.assertEqual(suite.countTestCases(), 2)
1245
stream = StringIO()
1246
runner = tests.TextTestRunner(stream=stream, verbosity=2)
1247
# Need to use the CountingDecorator as that's what sets num_tests
1248
result = self.run_test_runner(runner, tests.CountingDecorator(suite))
1249
self.assertStartsWith(stream.getvalue(), "running 2 tests")
1250
1251
1230
def test_startTestRun(self):
1252
1231
"""run should call result.startTestRun()"""
1253
1232
calls = []
1690
1669
self.assertEqual('original', obj.test_attr)
1691
1670
1692
1671
1693
class _MissingFeature(tests.Feature):
1694
def _probe(self):
1695
return False
1696
missing_feature = _MissingFeature()
1697
1698
1699
def _get_test(name):
1700
"""Get an instance of a specific example test.
1701
1702
We protect this in a function so that they don't auto-run in the test
1703
suite.
1704
"""
1705
1706
class ExampleTests(tests.TestCase):
1707
1708
def test_fail(self):
1709
mutter('this was a failing test')
1710
self.fail('this test will fail')
1711
1712
def test_error(self):
1713
mutter('this test errored')
1714
raise RuntimeError('gotcha')
1715
1716
def test_missing_feature(self):
1717
mutter('missing the feature')
1718
self.requireFeature(missing_feature)
1719
1720
def test_skip(self):
1721
mutter('this test will be skipped')
1722
raise tests.TestSkipped('reason')
1723
1724
def test_success(self):
1725
mutter('this test succeeds')
1726
1727
def test_xfail(self):
1728
mutter('test with expected failure')
1729
self.knownFailure('this_fails')
1730
1731
def test_unexpected_success(self):
1732
mutter('test with unexpected success')
1733
self.expectFailure('should_fail', lambda: None)
1734
1735
return ExampleTests(name)
1736
1737
1738
class TestTestCaseLogDetails(tests.TestCase):
1739
1740
def _run_test(self, test_name):
1741
test = _get_test(test_name)
1742
result = testtools.TestResult()
1743
test.run(result)
1744
return result
1745
1746
def test_fail_has_log(self):
1747
result = self._run_test('test_fail')
1748
self.assertEqual(1, len(result.failures))
1749
result_content = result.failures[0][1]
1750
self.assertContainsRe(result_content, 'Text attachment: log')
1751
self.assertContainsRe(result_content, 'this was a failing test')
1752
1753
def test_error_has_log(self):
1754
result = self._run_test('test_error')
1755
self.assertEqual(1, len(result.errors))
1756
result_content = result.errors[0][1]
1757
self.assertContainsRe(result_content, 'Text attachment: log')
1758
self.assertContainsRe(result_content, 'this test errored')
1759
1760
def test_skip_has_no_log(self):
1761
result = self._run_test('test_skip')
1762
self.assertEqual(['reason'], result.skip_reasons.keys())
1763
skips = result.skip_reasons['reason']
1764
self.assertEqual(1, len(skips))
1765
test = skips[0]
1766
self.assertFalse('log' in test.getDetails())
1767
1768
def test_missing_feature_has_no_log(self):
1769
# testtools doesn't know about addNotSupported, so it just gets
1770
# considered as a skip
1771
result = self._run_test('test_missing_feature')
1772
self.assertEqual([missing_feature], result.skip_reasons.keys())
1773
skips = result.skip_reasons[missing_feature]
1774
self.assertEqual(1, len(skips))
1775
test = skips[0]
1776
self.assertFalse('log' in test.getDetails())
1777
1778
def test_xfail_has_no_log(self):
1779
result = self._run_test('test_xfail')
1780
self.assertEqual(1, len(result.expectedFailures))
1781
result_content = result.expectedFailures[0][1]
1782
self.assertNotContainsRe(result_content, 'Text attachment: log')
1783
self.assertNotContainsRe(result_content, 'test with expected failure')
1784
1785
def test_unexpected_success_has_log(self):
1786
result = self._run_test('test_unexpected_success')
1787
self.assertEqual(1, len(result.unexpectedSuccesses))
1788
# Inconsistency, unexpectedSuccesses is a list of tests,
1789
# expectedFailures is a list of reasons?
1790
test = result.unexpectedSuccesses[0]
1791
details = test.getDetails()
1792
self.assertTrue('log' in details)
1793
1794
1795
class TestTestCloning(tests.TestCase):
1796
"""Tests that test cloning of TestCases (as used by multiply_tests)."""
1797
1798
def test_cloned_testcase_does_not_share_details(self):
1799
"""A TestCase cloned with clone_test does not share mutable attributes
1800
such as details or cleanups.
1801
"""
1802
class Test(tests.TestCase):
1803
def test_foo(self):
1804
self.addDetail('foo', Content('text/plain', lambda: 'foo'))
1805
orig_test = Test('test_foo')
1806
cloned_test = tests.clone_test(orig_test, orig_test.id() + '(cloned)')
1807
orig_test.run(unittest.TestResult())
1808
self.assertEqual('foo', orig_test.getDetails()['foo'].iter_bytes())
1809
self.assertEqual(None, cloned_test.getDetails().get('foo'))
1810
1811
def test_double_apply_scenario_preserves_first_scenario(self):
1812
"""Applying two levels of scenarios to a test preserves the attributes
1813
added by both scenarios.
1814
"""
1815
class Test(tests.TestCase):
1816
def test_foo(self):
1817
pass
1818
test = Test('test_foo')
1819
scenarios_x = [('x=1', {'x': 1}), ('x=2', {'x': 2})]
1820
scenarios_y = [('y=1', {'y': 1}), ('y=2', {'y': 2})]
1821
suite = tests.multiply_tests(test, scenarios_x, unittest.TestSuite())
1822
suite = tests.multiply_tests(suite, scenarios_y, unittest.TestSuite())
1823
all_tests = list(tests.iter_suite_tests(suite))
1824
self.assertLength(4, all_tests)
1825
all_xys = sorted((t.x, t.y) for t in all_tests)
1826
self.assertEqual([(1, 1), (1, 2), (2, 1), (2, 2)], all_xys)
1827
1828
1829
1672
# NB: Don't delete this; it's not actually from 0.11!
1830
1673
@deprecated_function(deprecated_in((0, 11, 0)))
1831
1674
def sample_deprecated_function():
1985
1828
tree.branch.repository.bzrdir.root_transport)
1986
1829
1987
1830
1988
class SelfTestHelper(object):
1831
class SelfTestHelper:
1989
1832
1990
1833
def run_selftest(self, **kwargs):
1991
1834
"""Run selftest returning its output."""
2142
1985
load_list='missing file name', list_only=True)
2143
1986
2144
1987
2145
class TestSubunitLogDetails(tests.TestCase, SelfTestHelper):
2146
2147
_test_needs_features = [features.subunit]
2148
2149
def run_subunit_stream(self, test_name):
2150
from subunit import ProtocolTestCase
2151
def factory():
2152
return TestUtil.TestSuite([_get_test(test_name)])
2153
stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
2154
test_suite_factory=factory)
2155
test = ProtocolTestCase(stream)
2156
result = testtools.TestResult()
2157
test.run(result)
2158
content = stream.getvalue()
2159
return content, result
2160
2161
def test_fail_has_log(self):
2162
content, result = self.run_subunit_stream('test_fail')
2163
self.assertEqual(1, len(result.failures))
2164
self.assertContainsRe(content, '(?m)^log$')
2165
self.assertContainsRe(content, 'this test will fail')
2166
2167
def test_error_has_log(self):
2168
content, result = self.run_subunit_stream('test_error')
2169
self.assertContainsRe(content, '(?m)^log$')
2170
self.assertContainsRe(content, 'this test errored')
2171
2172
def test_skip_has_no_log(self):
2173
content, result = self.run_subunit_stream('test_skip')
2174
self.assertNotContainsRe(content, '(?m)^log$')
2175
self.assertNotContainsRe(content, 'this test will be skipped')
2176
self.assertEqual(['reason'], result.skip_reasons.keys())
2177
skips = result.skip_reasons['reason']
2178
self.assertEqual(1, len(skips))
2179
test = skips[0]
2180
# RemotedTestCase doesn't preserve the "details"
2181
## self.assertFalse('log' in test.getDetails())
2182
2183
def test_missing_feature_has_no_log(self):
2184
content, result = self.run_subunit_stream('test_missing_feature')
2185
self.assertNotContainsRe(content, '(?m)^log$')
2186
self.assertNotContainsRe(content, 'missing the feature')
2187
self.assertEqual(['_MissingFeature\n'], result.skip_reasons.keys())
2188
skips = result.skip_reasons['_MissingFeature\n']
2189
self.assertEqual(1, len(skips))
2190
test = skips[0]
2191
# RemotedTestCase doesn't preserve the "details"
2192
## self.assertFalse('log' in test.getDetails())
2193
2194
def test_xfail_has_no_log(self):
2195
content, result = self.run_subunit_stream('test_xfail')
2196
self.assertNotContainsRe(content, '(?m)^log$')
2197
self.assertNotContainsRe(content, 'test with expected failure')
2198
self.assertEqual(1, len(result.expectedFailures))
2199
result_content = result.expectedFailures[0][1]
2200
self.assertNotContainsRe(result_content, 'Text attachment: log')
2201
self.assertNotContainsRe(result_content, 'test with expected failure')
2202
2203
def test_unexpected_success_has_log(self):
2204
content, result = self.run_subunit_stream('test_unexpected_success')
2205
self.assertContainsRe(content, '(?m)^log$')
2206
self.assertContainsRe(content, 'test with unexpected success')
2207
self.expectFailure('subunit treats "unexpectedSuccess"'
2208
' as a plain success',
2209
self.assertEqual, 1, len(result.unexpectedSuccesses))
2210
self.assertEqual(1, len(result.unexpectedSuccesses))
2211
test = result.unexpectedSuccesses[0]
2212
# RemotedTestCase doesn't preserve the "details"
2213
## self.assertTrue('log' in test.getDetails())
2214
2215
def test_success_has_no_log(self):
2216
content, result = self.run_subunit_stream('test_success')
2217
self.assertEqual(1, result.testsRun)
2218
self.assertNotContainsRe(content, '(?m)^log$')
2219
self.assertNotContainsRe(content, 'this test succeeds')
2220
2221
2222
1988
class TestRunBzr(tests.TestCase):
2223
1989
2224
1990
out = ''
3213
2979
self.assertEquals('bzrlib.plugins', tpr.resolve_alias('bp'))
3214
2980
3215
2981
3216
class TestThreadLeakDetection(tests.TestCase):
3217
"""Ensure when tests leak threads we detect and report it"""
3218
3219
class LeakRecordingResult(tests.ExtendedTestResult):
3220
def __init__(self):
3221
tests.ExtendedTestResult.__init__(self, StringIO(), 0, 1)
3222
self.leaks = []
3223
def _report_thread_leak(self, test, leaks, alive):
3224
self.leaks.append((test, leaks))
3225
3226
def test_testcase_without_addCleanups(self):
3227
"""Check old TestCase instances don't break with leak detection"""
3228
class Test(unittest.TestCase):
3229
def runTest(self):
3230
pass
3231
addCleanup = None # for when on Python 2.7 with native addCleanup
3232
result = self.LeakRecordingResult()
3233
test = Test()
3234
self.assertIs(getattr(test, "addCleanup", None), None)
3235
result.startTestRun()
3236
test.run(result)
3237
result.stopTestRun()
3238
self.assertEqual(result._tests_leaking_threads_count, 0)
3239
self.assertEqual(result.leaks, [])
3240
3241
def test_thread_leak(self):
3242
"""Ensure a thread that outlives the running of a test is reported
3243
3244
Uses a thread that blocks on an event, and is started by the inner
3245
test case. As the thread outlives the inner case's run, it should be
3246
detected as a leak, but the event is then set so that the thread can
3247
be safely joined in cleanup so it's not leaked for real.
3248
"""
3249
event = threading.Event()
3250
thread = threading.Thread(name="Leaker", target=event.wait)
3251
class Test(tests.TestCase):
3252
def test_leak(self):
3253
thread.start()
3254
result = self.LeakRecordingResult()
3255
test = Test("test_leak")
3256
self.addCleanup(thread.join)
3257
self.addCleanup(event.set)
3258
result.startTestRun()
3259
test.run(result)
3260
result.stopTestRun()
3261
self.assertEqual(result._tests_leaking_threads_count, 1)
3262
self.assertEqual(result._first_thread_leaker_id, test.id())
3263
self.assertEqual(result.leaks, [(test, set([thread]))])
3264
self.assertContainsString(result.stream.getvalue(), "leaking threads")
3265
3266
def test_multiple_leaks(self):
3267
"""Check multiple leaks are blamed on the test cases at fault
3268
3269
Same concept as the previous test, but has one inner test method that
3270
leaks two threads, and one that doesn't leak at all.
3271
"""
3272
event = threading.Event()
3273
thread_a = threading.Thread(name="LeakerA", target=event.wait)
3274
thread_b = threading.Thread(name="LeakerB", target=event.wait)
3275
thread_c = threading.Thread(name="LeakerC", target=event.wait)
3276
class Test(tests.TestCase):
3277
def test_first_leak(self):
3278
thread_b.start()
3279
def test_second_no_leak(self):
3280
pass
3281
def test_third_leak(self):
3282
thread_c.start()
3283
thread_a.start()
3284
result = self.LeakRecordingResult()
3285
first_test = Test("test_first_leak")
3286
third_test = Test("test_third_leak")
3287
self.addCleanup(thread_a.join)
3288
self.addCleanup(thread_b.join)
3289
self.addCleanup(thread_c.join)
3290
self.addCleanup(event.set)
3291
result.startTestRun()
3292
unittest.TestSuite(
3293
[first_test, Test("test_second_no_leak"), third_test]
3294
).run(result)
3295
result.stopTestRun()
3296
self.assertEqual(result._tests_leaking_threads_count, 2)
3297
self.assertEqual(result._first_thread_leaker_id, first_test.id())
3298
self.assertEqual(result.leaks, [
3299
(first_test, set([thread_b])),
3300
(third_test, set([thread_a, thread_c]))])
3301
self.assertContainsString(result.stream.getvalue(), "leaking threads")
3302
3303
3304
2982
class TestRunSuite(tests.TestCase):
3305
2983
3306
2984
def test_runner_class(self):
Loggerhead is a web-based interface for Breezy
Version: 2.0.1