Method test_mock_calls

Lib/test/test_unittest/testmock/testmock.py:1197–1272

(self)

    def test_mock_calls(self):
        mock = MagicMock()

        # need to do this because MagicMock.mock_calls used to just return
        # a MagicMock which also returned a MagicMock when __eq__ was called
        self.assertIs(mock.mock_calls == [], True)

        mock = MagicMock()
        mock()
        expected = [('', (), {})]
        self.assertEqual(mock.mock_calls, expected)

        mock.foo()
        expected.append(call.foo())
        self.assertEqual(mock.mock_calls, expected)
        # intermediate mock_calls work too
        self.assertEqual(mock.foo.mock_calls, [('', (), {})])

        mock = MagicMock()
        mock().foo(1, 2, 3, a=4, b=5)
        expected = [
            ('', (), {}), ('().foo', (1, 2, 3), dict(a=4, b=5))
        ]
        self.assertEqual(mock.mock_calls, expected)
        self.assertEqual(mock.return_value.foo.mock_calls,
                         [('', (1, 2, 3), dict(a=4, b=5))])
        self.assertEqual(mock.return_value.mock_calls,
                         [('foo', (1, 2, 3), dict(a=4, b=5))])

        mock = MagicMock()
        mock().foo.bar().baz()
        expected = [
            ('', (), {}), ('().foo.bar', (), {}),
            ('().foo.bar().baz', (), {})
        ]
        self.assertEqual(mock.mock_calls, expected)
        self.assertEqual(mock().mock_calls,
                         call.foo.bar().baz().call_list())

        for kwargs in dict(), dict(name='bar'):
            mock = MagicMock(**kwargs)
            int(mock.foo)
            expected = [('foo.__int__', (), {})]
            self.assertEqual(mock.mock_calls, expected)

            mock = MagicMock(**kwargs)
            mock.a()()
            expected = [('a', (), {}), ('a()', (), {})]
            self.assertEqual(mock.mock_calls, expected)
            self.assertEqual(mock.a().mock_calls, [call()])

            mock = MagicMock(**kwargs)
            mock(1)(2)(3)
            self.assertEqual(mock.mock_calls, call(1)(2)(3).call_list())
            self.assertEqual(mock().mock_calls, call(2)(3).call_list())
            self.assertEqual(mock()().mock_calls, call(3).call_list())

            mock = MagicMock(**kwargs)