There is a difference between mock and spy in mockito.
The objects that store method calls are called mocks.The dynamic wrappers are used in the tests.It is used to verify interactions between classes.The most powerful and flexible version of the test doubles is a mock.The method for mocking is called mock.
The main function of mocks is to give full control over the mocked objects.The mock objects can be used for verification.The correct methods and paths are checked by the term behavior.
The majority of mocks are created by using a library or mocking framework.It is used to test a large suite of tests.We can verify how many times a method is called with mock.
Stubs hold data and use it to give responses during tests.A stub is an object that resembles a real object with the minimum number of methods needed for a test.Stubs are used when we don't want to use objects that will give a response.The lightest version of the test doubles.
Spies are sometimes referred to as partially mock objects.A partial object or a half dummy of the real object is created by a spy.The real object remains the same, and we spy on it with specific methods.We take the existing object and replace it with something else.
When we have a lot of methods, we want to mock them.We should use spies instead of mocks and stubs.If the methods are not stubbed, it calls the real method behavior.
There is a method used for creating spy objects.We can call the normal methods of the real object.The code snippets show how to use the method.
Stubbing, mocking, and espionage are some of the examples we have discussed.The examples show the difference between stubbing, mocking, and espionage.
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