jUnit Fun

jUnit and Mockito Fun

More Interesting Elements of Unit Testing and Mocking

• Verify that a method was called on a mock
  
  
• Verify the parameters the method was called with
  
• Return a custom response from a method called on a mock, response based on the parameters of the call
  

  Mockito.when(myMock.save(any(Person.class))).thenAnswer(i -> {
      Person person = (MyClass) i.getArguments()[0];
      return "Hello, " + person.getFirstName();
  });