Mockito Tutorial For Beginners

Gain expertise on the most popular java mocking framework

Step 01 : Set up an Eclipse Project with JUnit and Mockito frameworks. First Green Bar.
Step 02 : Example to start understanding why we need mocks.
Step 03 : What is a stub? Create an unit test using Stub? Disadvantages of Stubs.
Step 04 : Your first Mockito code! Hurrah!!! Lets use Mockito to mock TodoService.
Step 05 : Stubbing variations with Mockito. A few mockito examples mocking List class : Multiple return values, Argument Matchers and throwing exceptions.
Some Theory : Mockito vs EasyMock https://github.com/mockito/mockito/wiki/Mockito-vs-EasyMock
Step 06 : Introduction to BDD. Given When Then. BDD Mockito Syntax.
Step 07 : How to verify calls on a mock? Verify how many times a method is called. We will add deleteTodo method to the TodoService.
Step 08 : How to capture an argument which is passed to a mock?
Step 09 : Hamcrest Matchers.
Step 10 : Let's simplify things with Mockito Annotations. @Mock, @InjectMocks, @RunWith(MockitoJUnitRunner.class), @Captor
Step 11 : JUnit Rules. Using MockitoJUnit.rule() instead of @RunWith(MockitoJUnitRunner.class).
Step 12 : Real world Example with Spring
Step 13 : What is a spy? How to spy with Mockito?
Step 14 : Some Theory : Why does Mockito not allow stubbing final and private methods?
Step 15 : Using PowerMock and Mockito to mock a Static Method.
Step 16 : Using PowerMock and Mockito to invoke a private Method.
Step 17 : Using PowerMock and Mockito to mock a constructor.
Step 18 : Good Unit Tests.

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