93 lines
2.8 KiB
Python
93 lines
2.8 KiB
Python
# Copyright (c) 2011 testtools developers. See LICENSE for details.
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import sys
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from testtools import (
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ExpectedException,
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TestCase,
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)
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from testtools.matchers import (
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AfterPreprocessing,
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Equals,
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EndsWith,
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)
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class TestExpectedException(TestCase):
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"""Test the ExpectedException context manager."""
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def test_pass_on_raise(self):
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with ExpectedException(ValueError, 'tes.'):
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raise ValueError('test')
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def test_pass_on_raise_matcher(self):
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with ExpectedException(
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ValueError, AfterPreprocessing(str, Equals('test'))):
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raise ValueError('test')
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def test_raise_on_text_mismatch(self):
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try:
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with ExpectedException(ValueError, 'tes.'):
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raise ValueError('mismatch')
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except AssertionError:
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e = sys.exc_info()[1]
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self.assertEqual("'mismatch' does not match /tes./", str(e))
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else:
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self.fail('AssertionError not raised.')
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def test_raise_on_general_mismatch(self):
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matcher = AfterPreprocessing(str, Equals('test'))
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value_error = ValueError('mismatch')
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try:
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with ExpectedException(ValueError, matcher):
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raise value_error
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except AssertionError:
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e = sys.exc_info()[1]
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self.assertEqual(matcher.match(value_error).describe(), str(e))
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else:
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self.fail('AssertionError not raised.')
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def test_raise_on_error_mismatch(self):
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try:
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with ExpectedException(TypeError, 'tes.'):
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raise ValueError('mismatch')
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except ValueError:
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e = sys.exc_info()[1]
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self.assertEqual('mismatch', str(e))
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else:
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self.fail('ValueError not raised.')
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def test_raise_if_no_exception(self):
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try:
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with ExpectedException(TypeError, 'tes.'):
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pass
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except AssertionError:
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e = sys.exc_info()[1]
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self.assertEqual('TypeError not raised.', str(e))
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else:
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self.fail('AssertionError not raised.')
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def test_pass_on_raise_any_message(self):
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with ExpectedException(ValueError):
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raise ValueError('whatever')
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def test_annotate(self):
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def die():
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with ExpectedException(ValueError, msg="foo"):
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pass
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exc = self.assertRaises(AssertionError, die)
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self.assertThat(exc.args[0], EndsWith(': foo'))
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def test_annotated_matcher(self):
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def die():
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with ExpectedException(ValueError, 'bar', msg="foo"):
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pass
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exc = self.assertRaises(AssertionError, die)
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self.assertThat(exc.args[0], EndsWith(': foo'))
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def test_suite():
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from unittest import TestLoader
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return TestLoader().loadTestsFromName(__name__)
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