summaryrefslogtreecommitdiffstats
path: root/Lib/unittest/test/test_runner.py
blob: 25f75415f0c5362a950379c3b5f93d97134de153 (plain)
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
import io
import pickle

import unittest

from .support import LoggingResult, ResultWithNoStartTestRunStopTestRun


class TestCleanUp(unittest.TestCase):

    def testCleanUp(self):
        class TestableTest(unittest.TestCase):
            def testNothing(self):
                pass

        test = TestableTest('testNothing')
        self.assertEqual(test._cleanups, [])

        cleanups = []

        def cleanup1(*args, **kwargs):
            cleanups.append((1, args, kwargs))

        def cleanup2(*args, **kwargs):
            cleanups.append((2, args, kwargs))

        test.addCleanup(cleanup1, 1, 2, 3, four='hello', five='goodbye')
        test.addCleanup(cleanup2)

        self.assertEqual(test._cleanups,
                         [(cleanup1, (1, 2, 3), dict(four='hello', five='goodbye')),
                          (cleanup2, (), {})])

        result = test.doCleanups()
        self.assertTrue(result)

        self.assertEqual(cleanups, [(2, (), {}), (1, (1, 2, 3), dict(four='hello', five='goodbye'))])

    def testCleanUpWithErrors(self):
        class TestableTest(unittest.TestCase):
            def testNothing(self):
                pass

        class MockResult(object):
            errors = []
            def addError(self, test, exc_info):
                self.errors.append((test, exc_info))

        result = MockResult()
        test = TestableTest('testNothing')
        test._resultForDoCleanups = result

        exc1 = Exception('foo')
        exc2 = Exception('bar')
        def cleanup1():
            raise exc1

        def cleanup2():
            raise exc2

        test.addCleanup(cleanup1)
        test.addCleanup(cleanup2)

        self.assertFalse(test.doCleanups())

        (test1, (Type1, instance1, _)), (test2, (Type2, instance2, _)) = reversed(MockResult.errors)
        self.assertEqual((test1, Type1, instance1), (test, Exception, exc1))
        self.assertEqual((test2, Type2, instance2), (test, Exception, exc2))

    def testCleanupInRun(self):
        blowUp = False
        ordering = []

        class TestableTest(unittest.TestCase):
            def setUp(self):
                ordering.append('setUp')
                if blowUp:
                    raise Exception('foo')

            def testNothing(self):
                ordering.append('test')

            def tearDown(self):
                ordering.append('tearDown')

        test = TestableTest('testNothing')

        def cleanup1():
            ordering.append('cleanup1')
        def cleanup2():
            ordering.append('cleanup2')
        test.addCleanup(cleanup1)
        test.addCleanup(cleanup2)

        def success(some_test):
            self.assertEqual(some_test, test)
            ordering.append('success')

        result = unittest.TestResult()
        result.addSuccess = success

        test.run(result)
        self.assertEqual(ordering, ['setUp', 'test', 'tearDown',
                                    'cleanup2', 'cleanup1', 'success'])

        blowUp = True
        ordering = []
        test = TestableTest('testNothing')
        test.addCleanup(cleanup1)
        test.run(result)
        self.assertEqual(ordering, ['setUp', 'cleanup1'])

    def testTestCaseDebugExecutesCleanups(self):
        ordering = []

        class TestableTest(unittest.TestCase):
            def setUp(self):
                ordering.append('setUp')
                self.addCleanup(cleanup1)

            def testNothing(self):
                ordering.append('test')

            def tearDown(self):
                ordering.append('tearDown')

        test = TestableTest('testNothing')

        def cleanup1():
            ordering.append('cleanup1')
            test.addCleanup(cleanup2)
        def cleanup2():
            ordering.append('cleanup2')

        test.debug()
        self.assertEqual(ordering, ['setUp', 'test', 'tearDown', 'cleanup1', 'cleanup2'])


class Test_TextTestRunner(unittest.TestCase):
    """Tests for TextTestRunner."""

    def test_init(self):
        runner = unittest.TextTestRunner()
        self.assertFalse(runner.failfast)
        self.assertFalse(runner.buffer)
        self.assertEqual(runner.verbosity, 1)
        self.assertTrue(runner.descriptions)
        self.assertEqual(runner.resultclass, unittest.TextTestResult)


    def testBufferAndFailfast(self):
        class Test(unittest.TestCase):
            def testFoo(self):
                pass
        result = unittest.TestResult()
        runner = unittest.TextTestRunner(stream=io.StringIO(), failfast=True,
                                           buffer=True)
        # Use our result object
        runner._makeResult = lambda: result
        runner.run(Test('testFoo'))

        self.assertTrue(result.failfast)
        self.assertTrue(result.buffer)

    def testRunnerRegistersResult(self):
        class Test(unittest.TestCase):
            def testFoo(self):
                pass
        originalRegisterResult = unittest.runner.registerResult
        def cleanup():
            unittest.runner.registerResult = originalRegisterResult
        self.addCleanup(cleanup)

        result = unittest.TestResult()
        runner = unittest.TextTestRunner(stream=io.StringIO())
        # Use our result object
        runner._makeResult = lambda: result

        self.wasRegistered = 0
        def fakeRegisterResult(thisResult):
            self.wasRegistered += 1
            self.assertEqual(thisResult, result)
        unittest.runner.registerResult = fakeRegisterResult

        runner.run(unittest.TestSuite())
        self.assertEqual(self.wasRegistered, 1)

    def test_works_with_result_without_startTestRun_stopTestRun(self):
        class OldTextResult(ResultWithNoStartTestRunStopTestRun):
            separator2 = ''
            def printErrors(self):
                pass

        class Runner(unittest.TextTestRunner):
            def __init__(self):
                super(Runner, self).__init__(io.StringIO())

            def _makeResult(self):
                return OldTextResult()

        runner = Runner()
        runner.run(unittest.TestSuite())

    def test_startTestRun_stopTestRun_called(self):
        class LoggingTextResult(LoggingResult):
            separator2 = ''
            def printErrors(self):
                pass

        class LoggingRunner(unittest.TextTestRunner):
            def __init__(self, events):
                super(LoggingRunner, self).__init__(io.StringIO())
                self._events = events

            def _makeResult(self):
                return LoggingTextResult(self._events)

        events = []
        runner = LoggingRunner(events)
        runner.run(unittest.TestSuite())
        expected = ['startTestRun', 'stopTestRun']
        self.assertEqual(events, expected)

    def test_pickle_unpickle(self):
        # Issue #7197: a TextTestRunner should be (un)pickleable. This is
        # required by test_multiprocessing under Windows (in verbose mode).
        stream = io.StringIO("foo")
        runner = unittest.TextTestRunner(stream)
        for protocol in range(2, pickle.HIGHEST_PROTOCOL + 1):
            s = pickle.dumps(runner, protocol)
            obj = pickle.loads(s)
            # StringIO objects never compare equal, a cheap test instead.
            self.assertEqual(obj.stream.getvalue(), stream.getvalue())

    def test_resultclass(self):
        def MockResultClass(*args):
            return args
        STREAM = object()
        DESCRIPTIONS = object()
        VERBOSITY = object()
        runner = unittest.TextTestRunner(STREAM, DESCRIPTIONS, VERBOSITY,
                                         resultclass=MockResultClass)
        self.assertEqual(runner.resultclass, MockResultClass)

        expectedresult = (runner.stream, DESCRIPTIONS, VERBOSITY)
        self.assertEqual(runner._makeResult(), expectedresult)