testmock.py 文件源码

def test_assert_called_with_failure_message(self):
        mock = NonCallableMock()

        expected = "mock(1, '2', 3, bar='foo')"
        message = 'Expected call: %s\nNot called'
        self.assertRaisesWithMsg(
            AssertionError, message % (expected,),
            mock.assert_called_with, 1, '2', 3, bar='foo'
        )

        mock.foo(1, '2', 3, foo='foo')


        asserters = [
            mock.foo.assert_called_with, mock.foo.assert_called_once_with
        ]
        for meth in asserters:
            actual = "foo(1, '2', 3, foo='foo')"
            expected = "foo(1, '2', 3, bar='foo')"
            message = 'Expected call: %s\nActual call: %s'
            self.assertRaisesWithMsg(
                AssertionError, message % (expected, actual),
                meth, 1, '2', 3, bar='foo'
            )

        # just kwargs
        for meth in asserters:
            actual = "foo(1, '2', 3, foo='foo')"
            expected = "foo(bar='foo')"
            message = 'Expected call: %s\nActual call: %s'
            self.assertRaisesWithMsg(
                AssertionError, message % (expected, actual),
                meth, bar='foo'
            )

        # just args
        for meth in asserters:
            actual = "foo(1, '2', 3, foo='foo')"
            expected = "foo(1, 2, 3)"
            message = 'Expected call: %s\nActual call: %s'
            self.assertRaisesWithMsg(
                AssertionError, message % (expected, actual),
                meth, 1, 2, 3
            )

        # empty
        for meth in asserters:
            actual = "foo(1, '2', 3, foo='foo')"
            expected = "foo()"
            message = 'Expected call: %s\nActual call: %s'
            self.assertRaisesWithMsg(
                AssertionError, message % (expected, actual), meth
            )