def test_mismatch_sets_expected(self): matcher = StartsWith("bar") mismatch = matcher.match("foo") self.assertEqual("bar", mismatch.expected)
def test_mismatch_returns_does_not_start_with(self): matcher = StartsWith("bar") self.assertIsInstance(matcher.match("foo"), DoesNotStartWith)
def test_mismatch_sets_matchee(self): matcher = StartsWith("bar") mismatch = matcher.match("foo") self.assertEqual("foo", mismatch.matchee)
def test_match(self): matcher = StartsWith("bar") self.assertIs(None, matcher.match("barf"))