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Viewing changes to testtools/tests/test_matchers.py

  • Committer: Robert Collins
  • Date: 2009-12-15 23:13:38 UTC
  • mfrom: (16.11.2 upstream)
  • Revision ID: robertc@robertcollins.net-20091215231338-en4foxftyfaaqgn0
* New upstream release.
* Include the manual in the package.

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testtools/tests/test_matchers.py
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    TestCase,
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    )
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from testtools.matchers import (
 
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    Equals,
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    DocTestMatches,
 
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    MatchesAny,
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    )
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class TestDocTestMatchesInterface(TestCase):
 
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class TestMatchersInterface:
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    def test_matches_matches(self):
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        matcher = DocTestMatches("Ran 1 test in ...s", doctest.ELLIPSIS)
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        matches = ["Ran 1 test in 0.000s", "Ran 1 test in 1.234s"]
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        mismatches = ["Ran 1 tests in 0.000s", "Ran 2 test in 0.000s"]
 
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    def test_matches_match(self):
 
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        matcher = self.matches_matcher
 
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        matches = self.matches_matches
 
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        mismatches = self.matches_mismatches
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        for candidate in matches:
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            self.assertTrue(matcher.matches(candidate))
 
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            self.assertEqual(None, matcher.match(candidate))
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        for candidate in mismatches:
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            self.assertFalse(matcher.matches(candidate))
 
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            mismatch = matcher.match(candidate)
 
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            self.assertNotEqual(None, mismatch)
 
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            self.assertNotEqual(None, getattr(mismatch, 'describe', None))
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    def test__str__(self):
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        # [(expected, object to __str__)].
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        examples = [("DocTestMatches('Ran 1 test in ...s\\n')",
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            DocTestMatches("Ran 1 test in ...s")),
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            ("DocTestMatches('foo\\n', flags=8)", DocTestMatches("foo", flags=8)),
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            ]
 
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        examples = self.str_examples
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        for expected, matcher in examples:
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            self.assertThat(matcher, DocTestMatches(expected))
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    def test_describe_difference(self):
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        # [(expected, matchee, matcher), ...]
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        examples = [('Expected:\n    Ran 1 test in ...s\nGot:\n'
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            '    Ran 1 test in 0.123s\n', "Ran 1 test in 0.123s",
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            DocTestMatches("Ran 1 test in ...s", doctest.ELLIPSIS))]
 
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        examples = self.describe_examples
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        for difference, matchee, matcher in examples:
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            self.assertEqual(difference, matcher.describe_difference(matchee))
 
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            mismatch = matcher.match(matchee)
 
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            self.assertEqual(difference, mismatch.describe())
 
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class TestDocTestMatchesInterface(TestCase, TestMatchersInterface):
 
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    matches_matcher = DocTestMatches("Ran 1 test in ...s", doctest.ELLIPSIS)
 
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    matches_matches = ["Ran 1 test in 0.000s", "Ran 1 test in 1.234s"]
 
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    matches_mismatches = ["Ran 1 tests in 0.000s", "Ran 2 test in 0.000s"]
 
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    str_examples = [("DocTestMatches('Ran 1 test in ...s\\n')",
 
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        DocTestMatches("Ran 1 test in ...s")),
 
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        ("DocTestMatches('foo\\n', flags=8)", DocTestMatches("foo", flags=8)),
 
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        ]
 
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    describe_examples = [('Expected:\n    Ran 1 tests in ...s\nGot:\n'
 
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        '    Ran 1 test in 0.123s\n', "Ran 1 test in 0.123s",
 
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        DocTestMatches("Ran 1 tests in ...s", doctest.ELLIPSIS))]
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class TestDocTestMatchesSpecific(TestCase):
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        self.assertEqual(doctest.ELLIPSIS, matcher.flags)
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class TestEqualsInterface(TestCase, TestMatchersInterface):
 
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    matches_matcher = Equals(1)
 
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    matches_matches = [1]
 
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    matches_mismatches = [2]
 
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    str_examples = [("Equals(1)", Equals(1)), ("Equals('1')", Equals('1'))]
 
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    describe_examples = [("1 != 2", 2, Equals(1))]
 
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class TestMatchersAnyInterface(TestCase, TestMatchersInterface):
 
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    matches_matcher = MatchesAny(DocTestMatches("1"), DocTestMatches("2"))
 
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    matches_matches = ["1", "2"]
 
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    matches_mismatches = ["3"]
 
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    str_examples = [(
 
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        "MatchesAny(DocTestMatches('1\\n'), DocTestMatches('2\\n'))",
 
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        MatchesAny(DocTestMatches("1"), DocTestMatches("2"))),
 
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        ]
 
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    describe_examples = [("""Differences: [
 
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Expected:
 
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    1
 
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Got:
 
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    3
 
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Expected:
 
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    2
 
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Got:
 
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    3
 
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]
 
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""",
 
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        "3", MatchesAny(DocTestMatches("1"), DocTestMatches("2")))]
 
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def test_suite():
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    from unittest import TestLoader
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    return TestLoader().loadTestsFromName(__name__)