TestNG Tutorials 9: Internal Logic Of Generation Of TestNG.xml -

Hello Folks,

In this post, we will learn logic behind generation of testng.xml.

When we select a class or package or project and chose to generate a testng.xml, it includes only those class names which has at least one @Test annotated method. It will not consider a class which has no @Test annotated method.

Suppose we create a class without @Test method as below:

When we try to generate a testng.xml for this, it will look like as:

It will be an empty test i.e. a test without any class.

It will not even consider if it has other TestNG annotation like @BeforeClass or @BeforeSuite etc in a class. TestNG is a testing framework and if there is nothing to test, it will simply ignore that class. That is the reason, any validation or verification must be part of @Test annotated method only.

A class with TestNG annotated method other than @Test method:

When we generate a testng.xml for this, it will look like as:

It will be an empty test i.e. a test without any class.

Conclusion: So testng.xml will include only those classes which has at least one @Test annotated method in it.

More about TestNG in upcoming posts. Stay tuned.

If you have any doubt, feel free to comment below.
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