What is Mocking and Mockito?

By | October 15, 2020

   What is Mocking? 

  • Mocking is a way to test the functionality of a class in an isolation fashion.
  • When we use mockito then we do not require a database connection or file server read or properties file to read to test functionality.
  • The mocking object usually does the mocking of the real service. A mock object usually returns a dummy data which corresponds to some dummy input passed to it.
  • Mockito uses Java Reflection in order to create mock objects for a given interface. Mock objects are nothing but a proxy for actual implementations.

  What is Mockito?

  • The mockito is a very popular mocking framework and It is a java based library that is used for unit testing of any java applications.
  • Mockito is usually used to mock interfaces so that a dummy method can be used for a mock interface that can be used in unit testing.
  • The main use of using the Mockito framework is to simplify the development of a test case by mocking external dependencies and then use them in the test code.

      NOTE: We can also use Mockito with other testing frameworks like JUnit and TestNG.


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That’s all about What is Mocking and Mockito?
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