If set to true, tests generated using this data provider are run in parallel. The annotated method must return an Object where each Object can be assigned the parameter list of the test method. If it's not supplied, the name of this data provider will automatically be set to the name of the method. The following is a list of attributes supported by the annotation: Attribute The annotation enables us to run a test method multiple times by passing different data-sets. Import helps us write data-driven test cases. Now with the below example code, it will be clear to you quickly. demonstrate the hierarchy, we have written a small code for you.This hierarchy is as follows ( top being the highest priority): TestNG contains a hierarchy among the annotations. So, how will TestNG figure out which test case to run first and then the next and so on? The answer is a hierarchy in these annotations. TestNG provides many annotations to write good test source code while testing software. So before we jump onto the coding part, let's see the hierarchy of these annotations. For this, we must know what test will execute first and what next. But hey!, as I said, you control the flow of the program using these annotations. Now that we know the benefits and the annotations used, its time to use them in our code. No Need To Extend Any Class - While using the annotations, there is no need to extend any Test class like JUnit.Strongly Typed- Annotations type strongly, and the errors can be encountered during the run time, which saves time for the testers.Can Be Parameterized - Annotations can also be parameterized, just like any other method in Java.There is no predefined rule or format, and the tester just needs to annotate methods using their judgment.
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