Let us now have a basic example to demonstrate the step-by-step process of using JUnit.

What is JUnit ? JUnit is a unit testing framework for Java programming language. It plays a crucial role test-driven development, and is a family of unit testing frameworks collectively known as xUnit.

Features of JUnit JUnit is an open source framework, which is used for writing and running tests. Provides annotations to identify test methods. Provides assertions for testing expected results. …

These annotations in JUnit provide the following information about test methods − which methods are going to run before and after test methods. which methods run before and after all the methods, and. …

JUnit is a framework for Java, so the very first requirement is to have JDK installed in your machine.

Following table compares JUnit vs TestNG on different features. The table excludes very specific or common features that are present in both these frameworks, such as testing exceptions, timeout …

The test cases are executed using JUnitCore class. JUnitCore is a facade for running tests. It supports running JUnit 4 tests, JUnit 3.8.x tests, and mixtures. To run tests from the command line, run java …

To set up JUnit with eclipse, follow the steps given below. Step 1: Download JUnit Archive Download a JUnit jar based on the operating system you have on your system. ... Assume you have copied the …

Here we will see one complete example of JUnit testing using POJO class, Business logic class, and a test class, which will be run by the test runner.

In JUnit, both @RunWith and @Suite annotations are used to run the suite tests. This chapter takes an example having two test classes, TestJunit1 & TestJunit2, that run together using Test Suite.