Method __call__

Lib/test/test_unittest/testmock/testmock.py:1043–1045

(self, a)

    def test_setting_call(self):
        mock = Mock()
        def __call__(self, a):
            self._increment_mock_call(a)
            return self._mock_call(a)

        type(mock).__call__ = __call__
        mock('one')