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How to use testAssertionErrorShouldDescribeExpectedAndActual method in PyHamcrest

Best Python code snippet using PyHamcrest_python

assert_that_test.py

Source:assert_that_test.py

...10__license__ = "BSD, see License.txt"11class AssertThatTest(unittest.TestCase):12    def testShouldBeSilentOnSuccessfulMatch(self):13        assert_that(1, equal_to(1))14    def testAssertionErrorShouldDescribeExpectedAndActual(self):15        expected = "EXPECTED"16        actual = "ACTUAL"17        expectedMessage = "\nExpected: 'EXPECTED'\n     but: was 'ACTUAL'\n"18        with self.assertRaises(AssertionError) as e:19            assert_that(actual, equal_to(expected))20        self.assertEqual(expectedMessage, str(e.exception))21    def testAssertionErrorShouldIncludeOptionalReason(self):22        expected = "EXPECTED"23        actual = "ACTUAL"24        expectedMessage = "REASON\nExpected: 'EXPECTED'\n     but: was 'ACTUAL'\n"25        with self.assertRaises(AssertionError) as e:26            assert_that(actual, equal_to(expected), "REASON")27        self.assertEqual(expectedMessage, str(e.exception))28    def testAssertionUnicodeEncodesProperly(self):...

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