mirror of
https://github.com/jart/cosmopolitan.git
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354 lines
12 KiB
Python
354 lines
12 KiB
Python
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import io
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import os
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import sys
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import pickle
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import subprocess
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import unittest
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from unittest.case import _Outcome
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from unittest.test.support import (LoggingResult,
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ResultWithNoStartTestRunStopTestRun)
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class TestCleanUp(unittest.TestCase):
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def testCleanUp(self):
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class TestableTest(unittest.TestCase):
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def testNothing(self):
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pass
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test = TestableTest('testNothing')
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self.assertEqual(test._cleanups, [])
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cleanups = []
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def cleanup1(*args, **kwargs):
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cleanups.append((1, args, kwargs))
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def cleanup2(*args, **kwargs):
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cleanups.append((2, args, kwargs))
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test.addCleanup(cleanup1, 1, 2, 3, four='hello', five='goodbye')
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test.addCleanup(cleanup2)
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self.assertEqual(test._cleanups,
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[(cleanup1, (1, 2, 3), dict(four='hello', five='goodbye')),
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(cleanup2, (), {})])
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self.assertTrue(test.doCleanups())
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self.assertEqual(cleanups, [(2, (), {}), (1, (1, 2, 3), dict(four='hello', five='goodbye'))])
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def testCleanUpWithErrors(self):
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class TestableTest(unittest.TestCase):
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def testNothing(self):
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pass
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test = TestableTest('testNothing')
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outcome = test._outcome = _Outcome()
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exc1 = Exception('foo')
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exc2 = Exception('bar')
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def cleanup1():
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raise exc1
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def cleanup2():
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raise exc2
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test.addCleanup(cleanup1)
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test.addCleanup(cleanup2)
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self.assertFalse(test.doCleanups())
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self.assertFalse(outcome.success)
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((_, (Type1, instance1, _)),
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(_, (Type2, instance2, _))) = reversed(outcome.errors)
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self.assertEqual((Type1, instance1), (Exception, exc1))
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self.assertEqual((Type2, instance2), (Exception, exc2))
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def testCleanupInRun(self):
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blowUp = False
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ordering = []
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class TestableTest(unittest.TestCase):
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def setUp(self):
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ordering.append('setUp')
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if blowUp:
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raise Exception('foo')
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def testNothing(self):
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ordering.append('test')
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def tearDown(self):
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ordering.append('tearDown')
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test = TestableTest('testNothing')
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def cleanup1():
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ordering.append('cleanup1')
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def cleanup2():
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ordering.append('cleanup2')
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test.addCleanup(cleanup1)
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test.addCleanup(cleanup2)
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def success(some_test):
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self.assertEqual(some_test, test)
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ordering.append('success')
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result = unittest.TestResult()
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result.addSuccess = success
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test.run(result)
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self.assertEqual(ordering, ['setUp', 'test', 'tearDown',
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'cleanup2', 'cleanup1', 'success'])
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blowUp = True
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ordering = []
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test = TestableTest('testNothing')
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test.addCleanup(cleanup1)
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test.run(result)
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self.assertEqual(ordering, ['setUp', 'cleanup1'])
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def testTestCaseDebugExecutesCleanups(self):
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ordering = []
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class TestableTest(unittest.TestCase):
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def setUp(self):
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ordering.append('setUp')
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self.addCleanup(cleanup1)
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def testNothing(self):
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ordering.append('test')
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def tearDown(self):
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ordering.append('tearDown')
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test = TestableTest('testNothing')
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def cleanup1():
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ordering.append('cleanup1')
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test.addCleanup(cleanup2)
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def cleanup2():
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ordering.append('cleanup2')
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test.debug()
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self.assertEqual(ordering, ['setUp', 'test', 'tearDown', 'cleanup1', 'cleanup2'])
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class Test_TextTestRunner(unittest.TestCase):
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"""Tests for TextTestRunner."""
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def setUp(self):
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# clean the environment from pre-existing PYTHONWARNINGS to make
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# test_warnings results consistent
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self.pythonwarnings = os.environ.get('PYTHONWARNINGS')
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if self.pythonwarnings:
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del os.environ['PYTHONWARNINGS']
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def tearDown(self):
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# bring back pre-existing PYTHONWARNINGS if present
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if self.pythonwarnings:
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os.environ['PYTHONWARNINGS'] = self.pythonwarnings
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def test_init(self):
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runner = unittest.TextTestRunner()
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self.assertFalse(runner.failfast)
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self.assertFalse(runner.buffer)
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self.assertEqual(runner.verbosity, 1)
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self.assertEqual(runner.warnings, None)
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self.assertTrue(runner.descriptions)
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self.assertEqual(runner.resultclass, unittest.TextTestResult)
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self.assertFalse(runner.tb_locals)
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def test_multiple_inheritance(self):
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class AResult(unittest.TestResult):
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def __init__(self, stream, descriptions, verbosity):
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super(AResult, self).__init__(stream, descriptions, verbosity)
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class ATextResult(unittest.TextTestResult, AResult):
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pass
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# This used to raise an exception due to TextTestResult not passing
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# on arguments in its __init__ super call
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ATextResult(None, None, 1)
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def testBufferAndFailfast(self):
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class Test(unittest.TestCase):
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def testFoo(self):
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pass
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result = unittest.TestResult()
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runner = unittest.TextTestRunner(stream=io.StringIO(), failfast=True,
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buffer=True)
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# Use our result object
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runner._makeResult = lambda: result
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runner.run(Test('testFoo'))
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self.assertTrue(result.failfast)
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self.assertTrue(result.buffer)
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def test_locals(self):
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runner = unittest.TextTestRunner(stream=io.StringIO(), tb_locals=True)
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result = runner.run(unittest.TestSuite())
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self.assertEqual(True, result.tb_locals)
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def testRunnerRegistersResult(self):
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class Test(unittest.TestCase):
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def testFoo(self):
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pass
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originalRegisterResult = unittest.runner.registerResult
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def cleanup():
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unittest.runner.registerResult = originalRegisterResult
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self.addCleanup(cleanup)
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result = unittest.TestResult()
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runner = unittest.TextTestRunner(stream=io.StringIO())
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# Use our result object
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runner._makeResult = lambda: result
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self.wasRegistered = 0
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def fakeRegisterResult(thisResult):
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self.wasRegistered += 1
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self.assertEqual(thisResult, result)
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unittest.runner.registerResult = fakeRegisterResult
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runner.run(unittest.TestSuite())
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self.assertEqual(self.wasRegistered, 1)
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def test_works_with_result_without_startTestRun_stopTestRun(self):
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class OldTextResult(ResultWithNoStartTestRunStopTestRun):
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separator2 = ''
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def printErrors(self):
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pass
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class Runner(unittest.TextTestRunner):
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def __init__(self):
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super(Runner, self).__init__(io.StringIO())
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def _makeResult(self):
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return OldTextResult()
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runner = Runner()
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runner.run(unittest.TestSuite())
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def test_startTestRun_stopTestRun_called(self):
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class LoggingTextResult(LoggingResult):
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separator2 = ''
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def printErrors(self):
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pass
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class LoggingRunner(unittest.TextTestRunner):
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def __init__(self, events):
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super(LoggingRunner, self).__init__(io.StringIO())
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self._events = events
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def _makeResult(self):
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return LoggingTextResult(self._events)
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events = []
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runner = LoggingRunner(events)
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runner.run(unittest.TestSuite())
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expected = ['startTestRun', 'stopTestRun']
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self.assertEqual(events, expected)
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def test_pickle_unpickle(self):
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# Issue #7197: a TextTestRunner should be (un)pickleable. This is
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# required by test_multiprocessing under Windows (in verbose mode).
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stream = io.StringIO("foo")
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runner = unittest.TextTestRunner(stream)
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for protocol in range(2, pickle.HIGHEST_PROTOCOL + 1):
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s = pickle.dumps(runner, protocol)
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obj = pickle.loads(s)
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# StringIO objects never compare equal, a cheap test instead.
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self.assertEqual(obj.stream.getvalue(), stream.getvalue())
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def test_resultclass(self):
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def MockResultClass(*args):
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return args
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STREAM = object()
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DESCRIPTIONS = object()
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VERBOSITY = object()
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runner = unittest.TextTestRunner(STREAM, DESCRIPTIONS, VERBOSITY,
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resultclass=MockResultClass)
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self.assertEqual(runner.resultclass, MockResultClass)
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expectedresult = (runner.stream, DESCRIPTIONS, VERBOSITY)
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self.assertEqual(runner._makeResult(), expectedresult)
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def test_warnings(self):
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"""
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Check that warnings argument of TextTestRunner correctly affects the
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behavior of the warnings.
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"""
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# see #10535 and the _test_warnings file for more information
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def get_parse_out_err(p):
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return [b.splitlines() for b in p.communicate()]
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opts = dict(stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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cwd=os.path.dirname(__file__))
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ae_msg = b'Please use assertEqual instead.'
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at_msg = b'Please use assertTrue instead.'
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# no args -> all the warnings are printed, unittest warnings only once
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p = subprocess.Popen([sys.executable, '_test_warnings.py'], **opts)
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with p:
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out, err = get_parse_out_err(p)
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self.assertIn(b'OK', err)
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# check that the total number of warnings in the output is correct
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self.assertEqual(len(out), 12)
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# check that the numbers of the different kind of warnings is correct
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for msg in [b'dw', b'iw', b'uw']:
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self.assertEqual(out.count(msg), 3)
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for msg in [ae_msg, at_msg, b'rw']:
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self.assertEqual(out.count(msg), 1)
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args_list = (
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# passing 'ignore' as warnings arg -> no warnings
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[sys.executable, '_test_warnings.py', 'ignore'],
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# -W doesn't affect the result if the arg is passed
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[sys.executable, '-Wa', '_test_warnings.py', 'ignore'],
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# -W affects the result if the arg is not passed
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[sys.executable, '-Wi', '_test_warnings.py']
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)
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# in all these cases no warnings are printed
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for args in args_list:
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p = subprocess.Popen(args, **opts)
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with p:
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out, err = get_parse_out_err(p)
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self.assertIn(b'OK', err)
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self.assertEqual(len(out), 0)
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# passing 'always' as warnings arg -> all the warnings printed,
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# unittest warnings only once
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p = subprocess.Popen([sys.executable, '_test_warnings.py', 'always'],
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**opts)
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with p:
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out, err = get_parse_out_err(p)
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self.assertIn(b'OK', err)
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self.assertEqual(len(out), 14)
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for msg in [b'dw', b'iw', b'uw', b'rw']:
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self.assertEqual(out.count(msg), 3)
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for msg in [ae_msg, at_msg]:
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self.assertEqual(out.count(msg), 1)
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def testStdErrLookedUpAtInstantiationTime(self):
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# see issue 10786
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old_stderr = sys.stderr
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f = io.StringIO()
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sys.stderr = f
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try:
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runner = unittest.TextTestRunner()
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self.assertTrue(runner.stream.stream is f)
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finally:
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sys.stderr = old_stderr
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def testSpecifiedStreamUsed(self):
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# see issue 10786
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f = io.StringIO()
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runner = unittest.TextTestRunner(f)
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self.assertTrue(runner.stream.stream is f)
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if __name__ == "__main__":
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unittest.main()
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