A Step By Step Guide On How To Install TestNG In Eclipse!


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In this article we will understand how to install TestNG in Eclipse, Let’s start.

As we already know that TestNG or the Test Next Generation is one of the most commonly used automation testing frameworks in Java. JUnit and NUnit inspire it; Cedric Beust created TestNG to incorporate nearly all testing models, whether it be functional or end to end. These functionalities, explanations, usability, opinions, and ease of use make TestNG a contemporary framework choice.

Below listed are some meaningful benefits of TestNG:

  1. The broadcasting feature gives a detailed XML description of every successful, failed, or skipped test.
  2. Parallel testing guides tests in managing multiple test cases with the attached benefit of CI/CD integration.
  3. The annotations feature empowers the developers in handling exceptions and understanding the code quickly.
  4. Test cases could be arranged or privatized easily.
  5. Flexible runtime configuration.

We are going to learn how to install TestNG in Eclipse and set it up in our system to start to build a Framework for our test project. Starting with the installation of the test and the plugin for Eclipse.

TestNG is based on Java, and we are required to install it if we haven’t already. To commence with the installation of the TestNG plugin for Eclipse, we are required to begin Eclipse IDE.

Follow the steps for installing TestNG in Eclipse

Below are the steps:

Step 1

Click on Help and then on Eclipse marketplace once Eclipse is launched.

Step 2

A new window will open up where you are required to type TestNG in the Find text box and click on the go button.

Step 3

We will now see search results with TestNG for Eclipse at the top, and all we are required to do is click on the install button next to it.

Step 4 

Resolving its features may take a few minutes, after which we are required to verify that the checkbox for TestNG is checked and then click on the confirm button.

Step 5 

Select the keep my TestNG installation the same option and click again on the confirm button.

Step 6

Click on the finish button after accepting the license.

Note: For the change to be meaningful, we are required to know how to run Eclipse?, and now we will be capable of knowing how to add TestNG in Eclipse? By right-clicking on any project and visiting test NG in the menu options.

Do this if unable to find the TestNG plugin in the eclipse marketplace

In some versions of Eclipse, we might not find the TestNG plugin in the Eclipse Marketplace. We can still install TestNG in Eclipse by following these steps:

Step 1 

Go to Eclipse help and tap on the button, install new software.

Step 2

Click on the add button and type text NG as name and 

Step 3

Once we add the path, we will notice one TestNG entry under the name. Then we are required to select that and click on next to install TestNG in Eclipse. Now hit the finish button and click on accept the license agreement.

The local library could be used if we don’t want to install TestNG in Eclipse

If we do not want the TestNG installation in Eclipse or TestNG with IntelliJ, is there a different way for us to know how to add TestNG in Eclipse? to our project? It could be done by downloading the library file in our system and then manually adding it to the project’s build path where we want to use it. This process is very similar to the method we used above.

The only exception is opening the downloading library file in our system and then adding it to the builder path later. It is always recommended to install the TestNG and the plugin for Eclipse rather than manually attaching it to the build path. We have added it to every project manually. On the other hand, if we know how to run Eclipse? we must not have to go about configuring the build path again and again.

Let us instantly see the steps we are required to follow:

  1. We can download the TestNG library file from here.
  2. Once we have downloaded the zip file, we need to copy it to our chosen location.
  3. Now open Eclipse and click on Help in the menu bar and then click on Install new software.
  4. Click on add and give TestNG the pass where we store the zip file in the location field, and then click on Ok.
  5. Select TestNG and click on next.
  6. Now we need to click on next if we get any remediation or installed details page. Click on the finish after accepting the license.
  7. Restart eclipse.
  8. Once done, we need to add the library in the project build path and then right-click on our project and go to the build path in the new popup window and click on add library.
  9. Now we will see TestNG as an option in the new window and then select it and click on next.
  10. We will now see the TestNG library under our project structure once we are done.
  11. We can now check if TestNG is ready for being used in our project by merely writing any annotation tag like at @test in our script. We will now also see that we can import the TestNG package by hovering on the title.

We can now see TestNG being configured in our system and all ready to use. After installing the test and the Eclipse, we must convert some of our projects from a regular JAVA project to a TestNG project.

Setting up the TestNG Eclipse test from our existing Java projects

Below are the steps to set up the TestNG Eclipse test:

Step 1

Converting our existing test into a TestNG test is a straightforward process. Just open Eclipse and right-click on the project that we need to convert to TestNG.

Step 2 

Select and click on convert to TestNG. We will now see a refactoring window popping up with the testng.xml details. For now, we can keep the things as they are and click on the finish. Now notice that our JAVA project is converted into TestNG, and testng.xml is created.

Now, we can run the test classes under the project as TestNG tests and we have completed the test NG plugin installation and setup for Eclipse.

Above was the answer to the question of how to install testNG in eclipse? TestNG has a very flexible configuration, and it also supports a compelling execution model. It tries to cover all the testing divisions of unit testing, functional and integration testing, etc. It also generates reports in HTML and XML format. It also does not require extending any class.

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