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How to use __test_failure_message method in pytest-mock

Best Python code snippet using pytest-mock

test_pytest_mock.py

Source:test_pytest_mock.py

...166    def test_repr_with_name(self, mocker: MockerFixture) -> None:167        test_name = "funny walk"168        stub = mocker.stub(name=test_name)169        assert f"name={test_name!r}" in repr(stub)170    def __test_failure_message(self, mocker: MockerFixture, **kwargs: Any) -> None:171        expected_name = kwargs.get("name") or "mock"172        if NEW_FORMATTING:173            msg = "expected call not found.\nExpected: {0}()\nActual: not called."174        else:175            msg = "Expected call: {0}()\nNot called"176        expected_message = msg.format(expected_name)177        stub = mocker.stub(**kwargs)178        with pytest.raises(AssertionError) as exc_info:179            stub.assert_called_with()180        assert str(exc_info.value) == expected_message181    def test_failure_message_with_no_name(self, mocker: MagicMock) -> None:182        self.__test_failure_message(mocker)183    @pytest.mark.parametrize("name", (None, "", "f", "The Castle of aaarrrrggh"))184    def test_failure_message_with_name(self, mocker: MagicMock, name: str) -> None:185        self.__test_failure_message(mocker, name=name)186    @pytest.mark.skipif(187        sys.version_info[:2] < (3, 8),188        reason="This Python version doesn't have `AsyncMock`.",189    )190    def test_async_stub_type(self, mocker: MockerFixture) -> None:191        assert isinstance(mocker.async_stub(), AsyncMock)192def test_instance_method_spy(mocker: MockerFixture) -> None:193    class Foo:194        def bar(self, arg):195            return arg * 2196    foo = Foo()197    other = Foo()198    spy = mocker.spy(foo, "bar")199    assert foo.bar(arg=10) == 20...

pymockDemo2.py

Source:pymockDemo2.py

...164    def test_repr_with_name(self, mocker: MockerFixture) -> None:165        test_name = "funny walk"166        stub = mocker.stub(name=test_name)167        assert "name={!r}".format(test_name) in repr(stub)168    def __test_failure_message(self, mocker: MockerFixture, **kwargs: Any) -> None:169        expected_name = kwargs.get("name") or "mock"170        if NEW_FORMATTING:171            msg = "expected call not found.\nExpected: {0}()\nActual: not called."172        else:173            msg = "Expected call: {0}()\nNot called"174        expected_message = msg.format(expected_name)175        stub = mocker.stub(**kwargs)176        with pytest.raises(AssertionError) as exc_info:177            stub.assert_called_with()178        assert str(exc_info.value) == expected_message179    def test_failure_message_with_no_name(self, mocker: MagicMock) -> None:180        self.__test_failure_message(mocker)181    @pytest.mark.parametrize("name", (None, "", "f", "The Castle of aaarrrrggh"))182    def test_failure_message_with_name(self, mocker: MagicMock, name: str) -> None:183        self.__test_failure_message(mocker, name=name)184def test_instance_method_spy(mocker: MockerFixture) -> None:185    class Foo:186        def bar(self, arg):187            return arg * 2188    foo = Foo()189    other = Foo()190    spy = mocker.spy(foo, "bar")191    assert foo.bar(arg=10) == 20192    assert other.bar(arg=10) == 20193    foo.bar.assert_called_once_with(arg=10)  # type:ignore[attr-defined]194    assert foo.bar.spy_return == 20  # type:ignore[attr-defined]195    spy.assert_called_once_with(arg=10)196    assert spy.spy_return == 20197# Ref: https://docs.python.org/3/library/exceptions.html#exception-hierarchy...

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