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Discover how you can effectively use `@ AfterGroups` in TestNG to run a method after specific test methods. Perfect for UI autotests with Java.
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How to Run an @ AfterMethod Only After Specific Methods in Java TestNG

In the world of software testing, especially with UI autotests, it is crucial to manage test execution efficiently. A common challenge developers face is executing a cleanup or follow-up method only after specific groups of test methods have run. If you are working with Java and TestNG, you might be wondering how to achieve this functionality.

The Problem at Hand

You want to create a situation where an @ After method (often used for cleanup or teardown actions) should run only after certain test methods have completed. This is particularly useful in scenarios where, for example, some tests interact with the UI, and you need to ensure that the application is in the desired state before proceeding with further tests.

The Solution: Using @ AfterGroups Annotation

TestNG provides a powerful annotation called @ AfterGroups, which allows you to run a method after a specific group of tests. This functionality can be leveraged to run the after method only when certain tests have completed successfully.

Step-by-Step Implementation

Define Groups for Your Tests: You first need to group the tests that you want to monitor.

Implement @ AfterGroups Method: After defining your groups, create a method and annotate it with @ AfterGroups specifying the group name you want it to depend on.

Here's a simple example to illustrate:

[[See Video to Reveal this Text or Code Snippet]]

Understanding the Output

When you run the above code, you will see the following output:

[[See Video to Reveal this Text or Code Snippet]]

What Happens Here?

Both tests in group1 run first.

After those tests are completed, the tearDown() method executes, providing a cleanup or post-test action.

Finally, yourTest3() runs since it is not part of group1.

Handling Multiple Groups

You can also specify multiple groups if needed. Here’s how you can do that:

[[See Video to Reveal this Text or Code Snippet]]

This allows more flexible test structuring, ensuring that tearDown will run after completing tests in either of the specified groups.

Conclusion

Utilizing the @ AfterGroups annotation in TestNG is a straightforward and effective way to run cleanup methods only after specific test groups. This allows you to manage your testing workflow more efficiently, especially in complex UI autotests. By organizing your tests into groups and implementing after methods, you can ensure that your environment remains consistent and that your tests run smoothly.

Hope this guide helps you streamline your testing process with Java and TestNG! Happy testing!