example of unittest mockin python

Example 1: python unittest mock

>>> class ProductionClass:
...     def method(self):
...         self.something(1, 2, 3)
...     def something(self, a, b, c):
...         pass
...
>>> real = ProductionClass()
>>> real.something = MagicMock()
>>> real.method()
>>> real.something.assert_called_once_with(1, 2, 3)

Example 2: python unittest mock

>>> class ProductionClass:
...     def closer(self, something):
...         something.close()
...