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bzrlib/tests/test_selftest.py
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"""Tests for the test framework."""
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import cStringIO
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import os
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from StringIO import StringIO
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import sys
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        """Test logs are captured when a test fails."""
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        self.log('a test message')
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        self._log_file.flush()
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        self.assertContainsRe(self._get_log(), 'a test message\n')
 
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        self.assertContainsRe(self._get_log(keep_log_file=True),
 
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                              'a test message\n')
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class TestTreeShape(TestCaseInTempDir):
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            revision_id = workingtree.get_parent_ids()[0]
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            self.assertEndsWith(output_string.rstrip(), revision_id)
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    def test_success_log_deleted(self):
 
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        """Successful tests have their log deleted"""
 
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        class LogTester(TestCase):
 
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            def test_success(self):
 
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                self.log('this will be removed\n')
 
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        sio = cStringIO.StringIO()
 
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        runner = TextTestRunner(stream=sio)
 
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        test = LogTester('test_success')
 
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        result = self.run_test_runner(runner, test)
 
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        log = test._get_log()
 
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        self.assertEqual("DELETED log file to reduce memory footprint", log)
 
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        self.assertEqual('', test._log_contents)
 
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        self.assertIs(None, test._log_file_name)
 
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    def test_fail_log_kept(self):
 
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        """Failed tests have their log kept"""
 
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        class LogTester(TestCase):
 
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            def test_fail(self):
 
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                self.log('this will be kept\n')
 
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                self.fail('this test fails')
 
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        sio = cStringIO.StringIO()
 
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        runner = TextTestRunner(stream=sio)
 
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        test = LogTester('test_fail')
 
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        result = self.run_test_runner(runner, test)
 
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        text = sio.getvalue()
 
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        self.assertContainsRe(text, 'this will be kept')
 
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        self.assertContainsRe(text, 'this test fails')
 
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        log = test._get_log()
 
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        self.assertContainsRe(log, 'this will be kept')
 
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        self.assertEqual(log, test._log_contents)
 
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    def test_error_log_kept(self):
 
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        """Tests with errors have their log kept"""
 
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        class LogTester(TestCase):
 
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            def test_error(self):
 
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                self.log('this will be kept\n')
 
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                raise ValueError('random exception raised')
 
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        sio = cStringIO.StringIO()
 
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        runner = TextTestRunner(stream=sio)
 
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        test = LogTester('test_error')
 
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        result = self.run_test_runner(runner, test)
 
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        text = sio.getvalue()
 
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        self.assertContainsRe(text, 'this will be kept')
 
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        self.assertContainsRe(text, 'random exception raised')
 
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        log = test._get_log()
 
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        self.assertContainsRe(log, 'this will be kept')
 
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        self.assertEqual(log, test._log_contents)
 
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class TestTestCase(TestCase):
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    """Tests that test the core bzrlib TestCase."""