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What's the difference between mockito and mockito.mock?


Asked by Santos Huff on Dec 08, 2021 FAQ



We do not create real objects, rather ask mockito to create a mock for the class. The @Mock annotation is alternative to Mockito.mock (classToMock). They both achieve the same result. Using @Mock is usually considered “ cleaner “, as we don’t fill up the tests with boilerplate assignments that all look the same.
In this manner,
Mockito.mock () method and @Mock annotation are doing slightly the same, which is defining a mock object in unit tests. However, there are some differences. The Mockito.mock () method allows us to create a mock object of classes and interfaces.
In fact, There only 2 things you can do with Mockito mocks - verify or stub. Stubbing goes before execution and verification afterwards. All mocks are nice (even somehow nicer, because collection-returning methods return empty collections instead of nulls).
Furthermore,
JUnit is a framework that helps with writing and running your unit tests. Mockito (or any other mocking tool) is a framework that you specifically use to efficiently write certain kind of tests. One core aspect in unit testing is the fact that you want to isolate your "class under test" from anything else in the world.
Besides,
Powermock is actually superset of Mockito, for object or instance mock, it can theoretically can use same proxy mechanism as Mockitor dose. Because Powermock shares same usage style as Mockito, most of the time, we do not feel the major switch between the 2 mock frameworks.