How-to articles, tricks, and solutions about MOCKITO

Difference between @Mock and @InjectMocks

In the context of testing with the Mockito framework, the @Mock annotation is used to create a mock object of a class or interface, and the @InjectMocks annotation is used to inject the mock objects into a test class.

How to mock a final class with mockito

To mock a final class with Mockito, you can use the PowerMockito library.

How to mock void methods with Mockito

To mock a void method with Mockito, you can use the doAnswer method. Here is an example of how you can use it:

How to verify that a specific method was not called using Mockito?

To verify that a specific method was not called using Mockito, you can use the verifyZeroInteractions method.

Making a mocked method return an argument that was passed to it

To make a mocked method return an argument that was passed to it, you can use the Mockito.when method and pass it the argument that you want to return as the answer.

Mocking static methods with Mockito

Mockito is a popular mocking framework for Java. It allows you to create mock objects and set up test behavior for them.

Mockito : how to verify method was called on an object created within a method?

To verify that a method was called on an object created within a method using Mockito, you can use the Mockito.verify() method and pass it the object that you want to verify, as well as the method that you want to verify was called.

Mockito How to mock and assert a thrown exception?

To mock and assert a thrown exception in Mockito, you can use the doThrow() method and the verify() method.

Testing Private method using mockito

It is generally considered bad practice to test private methods, as they are an implementation detail that should not be exposed to the outside world.

Use Mockito to mock some methods but not others

Mockito is a Java mocking framework that allows you to create mock objects for testing.