def setUp(self):
self.addingMachine = AddingMachineWrite()
def setUpMock(self, MockClass):
instance = MockClass.return_value
instance.__getitem__ = lambda s, key: self.fields[key]
instance.__contains__ = lambda s, key: key in self.fields
instance.has_key = lambda key: key in self.fields
self.addingMachine = AddingMachineWrite(False)
