Mock Super Method Here in this method’s mock example I am going to show you how to mock super class method in Junit test class. A class that extends another class is called a child class and a class that is extended by another class is called a super class. So, basically when a child class calls super class method…

In this tutorial I am going to show you how to work with Mockito‘s doNothing() in Java Junit 5 API. Mockito‘s doNothing() or Mockito itself is widely used testing framework. If you are working with Junit 4 then you can read the similar example Mockito’s doNothing() using Junit 4. Mockito‘s doNothing() is used when you want to test void methods…

Introduction In this tutorial we will see how to mock Activiti TaskService, TaskQuery, NativeTaskQuery in Junit class. Suppose you have Spring service class where you are doing some business flow for your application. So you are using Activiti‘s TaskService to create a list of activiti Tasks using the method createNativeTaskQuery(). You may need to create also TaskQuery from TaskService using…

Introduction This example will show you how to mock ObjectMapper.readValue() using Junit Mockito. When we write Junit test cases or classes, we generally do not test on real object that are injected into the class that has to be tested using Junit to avoid any test case failure at some point, instead we want to test the business logic out…

Mock @Value Field The below example will show you how to mock an Autowired @Value field in Spring with Junit Mockito. Generally you read some configuration values from properties file into Spring bean or component class using @Value annotated attributes but when you want to test such service or component class using Junit test class then it is required to…

Introduction The tutorial Junit Mockito Verify method will show you how to verify a Java class method has been executed at least once or not. When you write Junit test case for void method then you cannot return anything from your actual method test but at the same time you also don’t know whether your actual method has been executed…

Introduction In this post, I will be showing Junit mockito doNothing example in one of the most widely used and popular JUnit Testing Mocking framework – Mockito. I am going to use PowerMock API to test Java classes. I am going to show you when to use doNothing() method.

In this post, I will be showing one of the most widely used and popular JUnit Testing Mocking framework – Mockito. Mockito is one of the widely used testing API for Java. I am going to show you how to work with doReturn() and when to use it for testing your Java class using Junit.