What is EasyMock used for?

EasyMock is a mocking framework, JAVA-based library that is used for effective unit testing of JAVA applications. EasyMock is used to mock interfaces so that a dummy functionality can be added to a mock interface that can be used in unit testing.

What is the difference between EasyMock and Mockito?

Mockito supports both mocks as well as spies. Both spies and mocks perform different functions. Spy creates a partial mock object, whereas mock creates a dummy/ fake (fully mock) object of the real one. Whereas EasyMock supports only mocks.

How do you expect a void method to call in EasyMock?

When we use expectLastCall() and andAnswer() to mock void methods, we can use getCurrentArguments() to get the arguments passed to the method and perform some action on it. Finally, we have to return null since we are mocking a void method.

What is EasyMock capture?

September 22, 2008Written by Rommert de Bruijn. 2 Comments. EasyMock2 is a library that provides an easy way to create on-the-fly mock objects based on interfaces. It can be used in combination with JUnit to create simple and powerful unit tests.

How do you mock a private method?

For Mockito, there is no direct support to mock private and static methods. In order to test private methods, you will need to refactor the code to change the access to protected (or package) and you will have to avoid static/final methods.

What does expect last call do?

The API doc for EasyMock says this about expectLastCall() : Returns the expectation setter for the last expected invocation in the current thread. This method is used for expected invocations on void methods.

How do you test a method that does not return anything?

Therefore, testing of these methods consists of these three steps:

1. Set the object being tested to the initial state before calling the parameterless method.
2. Call the parameterless method.
3. Check the return value or the side effects of the parameterless method.

What is EasyMock createmock ()?

EasyMock.createMock () creates mocks without bothering about the order of method calls that the mock is going to make in due course of its action. Step 1: Create an interface called CalculatorService to provide mathematical functions

How to mock static methods In EasyMock?

One of the limitations of EasyMock is that it can’t mock static methods. However, we can use PowerMock EasyMock extension to mock static methods.

How to test the mathapplication class using EasyMock?

Let’s test the MathApplication class, by injecting in it a mock of calculatorService. Mock will be created by EasyMock. Here we’ve added two mock method calls, add () and subtract (), to the mock object via expect (). However during testing, we’ve called subtract () before calling add ().

What is EasyMock In JUnit?

EasyMock is a java based mocking framework, which is used in conjunction with other unit testing frameworks such as JUnit and TestNG. EasyMock is very similar to Mockito mocking framework. EasyMock allows us to create mock objects of interfaces and concrete classes and specify their behaviors.

https://www.youtube.com/watch?v=6khYnHt513c