JUnit is a unit testing framework for java programmers which is important for the development of test-driven development. This open source framework, designed by Kent beck and Erich Gamma is being used to write and execute test cases for java programmers. As it is used for the testing web application, the application can be tested without the help of a server. JUnit develops a relationship between development and testing process.
JUnit is easy to learn and work with. You should learn some basic JUnit annotations thoroughly, few of them are given below.
- @Before Class – Run once any of the test methods in the class.
- @After Class – Run once after all the test methods in the class have finished running.
- @Before – Run before @Test
- @After -Run after @Test
There are many such annotations but these are the most frequently used Selenium commands. JUnit FrameWork can be easily incorporated with selenium and the process is very simple. Here, a doubt will arise naturally. JUnit is meant for unit testing and selenium is for functional testing. Both these tests are totally different, then why to incorporate JUnit with Selenium. The purpose of adding JUnit is to write test scripts.
Advantages of Using JUnit in Selenium
- Test cases and test data can be generated quickly.
- Reusability of test cases and test data for new tests is ensured
- Generating test cases sticking to their previous test values is possible
- Test Driven Development can be promoted
- Reporting technique is highly comprehensive and excellent.
Apart from these general advantages, there are also several technical advantages. In total, the testing process can be made easier and smoother. Productivity can be increased and the production cost can be reduced.
Installation of JUnit is very simple as one can do it by going to the official website of JUnit, http://www.junit.org/ and by clicking on the download options. There you have to select the download source in zip format and extract it after downloading to see the documents and jar files for installation.
In most of the selenium testing training courses JUnit will also be discussed. There will be designated portions in the syllabus in detail how to incorporate selenium with JUnit and how to use JUnit annotations in selenium webdriver. This part of the course has great significance as JUnit enhances the efficiency of selenium and in future, you can be a good tester by mastering the techniques of selenium and JUnit.