Method assert_called_once_with

Lib/unittest/mock.py:989–998

assert that the mock was called exactly once and that call was with the specified arguments.

(self, /, *args, **kwargs)

    def assert_called_once_with(self, /, *args, **kwargs):
        """assert that the mock was called exactly once and that call was
        with the specified arguments."""
        if not self.call_count == 1:
            msg = ("Expected '%s' to be called once. Called %s times.%s"
                   % (self._mock_name or 'mock',
                      self.call_count,
                      self._calls_repr()))
            raise AssertionError(msg)
        return self.assert_called_with(*args, **kwargs)


    def assert_has_calls(self, calls, any_order=False):