Andrew Hsieh | 83760d2 | 2013-06-18 12:24:28 -0700 | [diff] [blame^] | 1 | import unittest |
| 2 | |
| 3 | from cStringIO import StringIO |
| 4 | import pickle |
| 5 | |
| 6 | from .support import LoggingResult, ResultWithNoStartTestRunStopTestRun |
| 7 | |
| 8 | |
| 9 | class TestCleanUp(unittest.TestCase): |
| 10 | |
| 11 | def testCleanUp(self): |
| 12 | class TestableTest(unittest.TestCase): |
| 13 | def testNothing(self): |
| 14 | pass |
| 15 | |
| 16 | test = TestableTest('testNothing') |
| 17 | self.assertEqual(test._cleanups, []) |
| 18 | |
| 19 | cleanups = [] |
| 20 | |
| 21 | def cleanup1(*args, **kwargs): |
| 22 | cleanups.append((1, args, kwargs)) |
| 23 | |
| 24 | def cleanup2(*args, **kwargs): |
| 25 | cleanups.append((2, args, kwargs)) |
| 26 | |
| 27 | test.addCleanup(cleanup1, 1, 2, 3, four='hello', five='goodbye') |
| 28 | test.addCleanup(cleanup2) |
| 29 | |
| 30 | self.assertEqual(test._cleanups, |
| 31 | [(cleanup1, (1, 2, 3), dict(four='hello', five='goodbye')), |
| 32 | (cleanup2, (), {})]) |
| 33 | |
| 34 | result = test.doCleanups() |
| 35 | self.assertTrue(result) |
| 36 | |
| 37 | self.assertEqual(cleanups, [(2, (), {}), (1, (1, 2, 3), |
| 38 | dict(four='hello', five='goodbye'))]) |
| 39 | |
| 40 | def testCleanUpWithErrors(self): |
| 41 | class TestableTest(unittest.TestCase): |
| 42 | def testNothing(self): |
| 43 | pass |
| 44 | |
| 45 | class MockResult(object): |
| 46 | errors = [] |
| 47 | def addError(self, test, exc_info): |
| 48 | self.errors.append((test, exc_info)) |
| 49 | |
| 50 | result = MockResult() |
| 51 | test = TestableTest('testNothing') |
| 52 | test._resultForDoCleanups = result |
| 53 | |
| 54 | exc1 = Exception('foo') |
| 55 | exc2 = Exception('bar') |
| 56 | def cleanup1(): |
| 57 | raise exc1 |
| 58 | |
| 59 | def cleanup2(): |
| 60 | raise exc2 |
| 61 | |
| 62 | test.addCleanup(cleanup1) |
| 63 | test.addCleanup(cleanup2) |
| 64 | |
| 65 | self.assertFalse(test.doCleanups()) |
| 66 | |
| 67 | (test1, (Type1, instance1, _)), (test2, (Type2, instance2, _)) = reversed(MockResult.errors) |
| 68 | self.assertEqual((test1, Type1, instance1), (test, Exception, exc1)) |
| 69 | self.assertEqual((test2, Type2, instance2), (test, Exception, exc2)) |
| 70 | |
| 71 | def testCleanupInRun(self): |
| 72 | blowUp = False |
| 73 | ordering = [] |
| 74 | |
| 75 | class TestableTest(unittest.TestCase): |
| 76 | def setUp(self): |
| 77 | ordering.append('setUp') |
| 78 | if blowUp: |
| 79 | raise Exception('foo') |
| 80 | |
| 81 | def testNothing(self): |
| 82 | ordering.append('test') |
| 83 | |
| 84 | def tearDown(self): |
| 85 | ordering.append('tearDown') |
| 86 | |
| 87 | test = TestableTest('testNothing') |
| 88 | |
| 89 | def cleanup1(): |
| 90 | ordering.append('cleanup1') |
| 91 | def cleanup2(): |
| 92 | ordering.append('cleanup2') |
| 93 | test.addCleanup(cleanup1) |
| 94 | test.addCleanup(cleanup2) |
| 95 | |
| 96 | def success(some_test): |
| 97 | self.assertEqual(some_test, test) |
| 98 | ordering.append('success') |
| 99 | |
| 100 | result = unittest.TestResult() |
| 101 | result.addSuccess = success |
| 102 | |
| 103 | test.run(result) |
| 104 | self.assertEqual(ordering, ['setUp', 'test', 'tearDown', |
| 105 | 'cleanup2', 'cleanup1', 'success']) |
| 106 | |
| 107 | blowUp = True |
| 108 | ordering = [] |
| 109 | test = TestableTest('testNothing') |
| 110 | test.addCleanup(cleanup1) |
| 111 | test.run(result) |
| 112 | self.assertEqual(ordering, ['setUp', 'cleanup1']) |
| 113 | |
| 114 | def testTestCaseDebugExecutesCleanups(self): |
| 115 | ordering = [] |
| 116 | |
| 117 | class TestableTest(unittest.TestCase): |
| 118 | def setUp(self): |
| 119 | ordering.append('setUp') |
| 120 | self.addCleanup(cleanup1) |
| 121 | |
| 122 | def testNothing(self): |
| 123 | ordering.append('test') |
| 124 | |
| 125 | def tearDown(self): |
| 126 | ordering.append('tearDown') |
| 127 | |
| 128 | test = TestableTest('testNothing') |
| 129 | |
| 130 | def cleanup1(): |
| 131 | ordering.append('cleanup1') |
| 132 | test.addCleanup(cleanup2) |
| 133 | def cleanup2(): |
| 134 | ordering.append('cleanup2') |
| 135 | |
| 136 | test.debug() |
| 137 | self.assertEqual(ordering, ['setUp', 'test', 'tearDown', 'cleanup1', 'cleanup2']) |
| 138 | |
| 139 | |
| 140 | class Test_TextTestRunner(unittest.TestCase): |
| 141 | """Tests for TextTestRunner.""" |
| 142 | |
| 143 | def test_init(self): |
| 144 | runner = unittest.TextTestRunner() |
| 145 | self.assertFalse(runner.failfast) |
| 146 | self.assertFalse(runner.buffer) |
| 147 | self.assertEqual(runner.verbosity, 1) |
| 148 | self.assertTrue(runner.descriptions) |
| 149 | self.assertEqual(runner.resultclass, unittest.TextTestResult) |
| 150 | |
| 151 | |
| 152 | def test_multiple_inheritance(self): |
| 153 | class AResult(unittest.TestResult): |
| 154 | def __init__(self, stream, descriptions, verbosity): |
| 155 | super(AResult, self).__init__(stream, descriptions, verbosity) |
| 156 | |
| 157 | class ATextResult(unittest.TextTestResult, AResult): |
| 158 | pass |
| 159 | |
| 160 | # This used to raise an exception due to TextTestResult not passing |
| 161 | # on arguments in its __init__ super call |
| 162 | ATextResult(None, None, None) |
| 163 | |
| 164 | |
| 165 | def testBufferAndFailfast(self): |
| 166 | class Test(unittest.TestCase): |
| 167 | def testFoo(self): |
| 168 | pass |
| 169 | result = unittest.TestResult() |
| 170 | runner = unittest.TextTestRunner(stream=StringIO(), failfast=True, |
| 171 | buffer=True) |
| 172 | # Use our result object |
| 173 | runner._makeResult = lambda: result |
| 174 | runner.run(Test('testFoo')) |
| 175 | |
| 176 | self.assertTrue(result.failfast) |
| 177 | self.assertTrue(result.buffer) |
| 178 | |
| 179 | def testRunnerRegistersResult(self): |
| 180 | class Test(unittest.TestCase): |
| 181 | def testFoo(self): |
| 182 | pass |
| 183 | originalRegisterResult = unittest.runner.registerResult |
| 184 | def cleanup(): |
| 185 | unittest.runner.registerResult = originalRegisterResult |
| 186 | self.addCleanup(cleanup) |
| 187 | |
| 188 | result = unittest.TestResult() |
| 189 | runner = unittest.TextTestRunner(stream=StringIO()) |
| 190 | # Use our result object |
| 191 | runner._makeResult = lambda: result |
| 192 | |
| 193 | self.wasRegistered = 0 |
| 194 | def fakeRegisterResult(thisResult): |
| 195 | self.wasRegistered += 1 |
| 196 | self.assertEqual(thisResult, result) |
| 197 | unittest.runner.registerResult = fakeRegisterResult |
| 198 | |
| 199 | runner.run(unittest.TestSuite()) |
| 200 | self.assertEqual(self.wasRegistered, 1) |
| 201 | |
| 202 | def test_works_with_result_without_startTestRun_stopTestRun(self): |
| 203 | class OldTextResult(ResultWithNoStartTestRunStopTestRun): |
| 204 | separator2 = '' |
| 205 | def printErrors(self): |
| 206 | pass |
| 207 | |
| 208 | class Runner(unittest.TextTestRunner): |
| 209 | def __init__(self): |
| 210 | super(Runner, self).__init__(StringIO()) |
| 211 | |
| 212 | def _makeResult(self): |
| 213 | return OldTextResult() |
| 214 | |
| 215 | runner = Runner() |
| 216 | runner.run(unittest.TestSuite()) |
| 217 | |
| 218 | def test_startTestRun_stopTestRun_called(self): |
| 219 | class LoggingTextResult(LoggingResult): |
| 220 | separator2 = '' |
| 221 | def printErrors(self): |
| 222 | pass |
| 223 | |
| 224 | class LoggingRunner(unittest.TextTestRunner): |
| 225 | def __init__(self, events): |
| 226 | super(LoggingRunner, self).__init__(StringIO()) |
| 227 | self._events = events |
| 228 | |
| 229 | def _makeResult(self): |
| 230 | return LoggingTextResult(self._events) |
| 231 | |
| 232 | events = [] |
| 233 | runner = LoggingRunner(events) |
| 234 | runner.run(unittest.TestSuite()) |
| 235 | expected = ['startTestRun', 'stopTestRun'] |
| 236 | self.assertEqual(events, expected) |
| 237 | |
| 238 | def test_pickle_unpickle(self): |
| 239 | # Issue #7197: a TextTestRunner should be (un)pickleable. This is |
| 240 | # required by test_multiprocessing under Windows (in verbose mode). |
| 241 | from StringIO import StringIO as PickleableIO |
| 242 | # cStringIO objects are not pickleable, but StringIO objects are. |
| 243 | stream = PickleableIO("foo") |
| 244 | runner = unittest.TextTestRunner(stream) |
| 245 | for protocol in range(pickle.HIGHEST_PROTOCOL + 1): |
| 246 | s = pickle.dumps(runner, protocol=protocol) |
| 247 | obj = pickle.loads(s) |
| 248 | # StringIO objects never compare equal, a cheap test instead. |
| 249 | self.assertEqual(obj.stream.getvalue(), stream.getvalue()) |
| 250 | |
| 251 | def test_resultclass(self): |
| 252 | def MockResultClass(*args): |
| 253 | return args |
| 254 | STREAM = object() |
| 255 | DESCRIPTIONS = object() |
| 256 | VERBOSITY = object() |
| 257 | runner = unittest.TextTestRunner(STREAM, DESCRIPTIONS, VERBOSITY, |
| 258 | resultclass=MockResultClass) |
| 259 | self.assertEqual(runner.resultclass, MockResultClass) |
| 260 | |
| 261 | expectedresult = (runner.stream, DESCRIPTIONS, VERBOSITY) |
| 262 | self.assertEqual(runner._makeResult(), expectedresult) |
| 263 | |
| 264 | |
| 265 | if __name__ == '__main__': |
| 266 | unittest.main() |