In this tutorial we will how to mock Activiti TaskService, TaskQuery, NativeTaskQuery in Junit test 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 list of activiti Tasks using the method createNativeTaskQuery(). You may need to create also TaskQuery […]
Mock Drools ObjectFactory, KieSession and StatelessKieSession using Junit
This tutorial example will show you how to mock ObjectFactory<KieSession>, KieSession and KieStatelessSession using Junit. KieSession is the most common way to interact with the engine in Drools. A KieSession allows the application to establish an iterative conversation with the engine, where the state of the session is kept across invocations. The reasoning process may […]
Mock ObjectMapper.readValue() using Junit Mockito
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 […]
Mock an Autowired @Value field in Spring with Junit Mockito
Introduction The below example will show you how to mock an Autowired @Value field in Spring with Junit Mockito. Generally we read some configuration values from properties file into Spring bean or component class using @Value annotated attributes but when we want to test such service or component class using Junit test class then it […]
Junit Mockito Verify Example
The tutorial Junit Mockito Verify method will show you how you verify whether your 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 […]
Junit Testing of File Upload and Download in Spring REST Controllers
Introduction Here in this tutorial we will see examples on Junit testing of file upload and download in Spring REST Controllers. We have seen how to write Junit test cases on Spring REST Controllers in my previous tutorial but I did not show how to write Junit testing of file upload and download in Spring […]
Writing Junit Test on Java Thread
In this tutorial you will see how to write test case on Java thread using junit. Writing junit to test thread in Java will show an example on single threaded environment. Prerequisites Java 8 Eclipse Gradle It is advisable to structure the code in such a way so that the code could be easily tested […]
TDD – Test Driven Development
Test-driven development is related to the test-first programming concepts of extreme programming(https://en.wikipedia.org/wiki/Extreme_programming). Life cycle of test-driven development 1. Write a test 2. Run the written test 3. Write code that corrects the failing test 4. Clean up your code 5. Go to step 1.
Junit Testing Spring REST Services
Introduction In this tutorial we will see how to write Junit test cases on Spring REST services. Before continue to reading this tutorial please read first Spring RESTful Webservice CRUD Example We have total four operations on this REST example. If you want you may add more operation such as find all products and apply […]
Junit Code Coverage using Gradle, Jacoco
You can find maven based Junit Code Coverage https://www.jeejava.com/junit-code-coverage/ This tutorial will show you Gradle based Junit Code coverage. Prerequisites IntelliJ IDEA Gradle 3.5 Java 1.8