TestNG Parameterization Using DataProviders | TestNG Tutorial

TestNG Parameterization Using DataProviders

Parameterized tests allow developers to run the same test over and over again using different values.

There are two ways to set these parameters:

  • with testng.xml
  • with Data Providers

Let’s see passing parameters using DataProviders:

Specifying parameters in testng.xml might not be sufficient if you need to pass complex parameters, or parameters that need to be created from Java (complex objects, objects read from a property file or a database, etc…). In this case, you can use a Data Provider to supply the values you need to test.  A Data Provider is a method on your class that returns an array of objects.  This method is annotated with @DataProvider:

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Console Output:

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Rajkumar SM is a founder of SoftwareTestingMaterial. He is a certified Software Test Engineer by profession and blogger & youtuber by choice. He has an extensive experience in the field of Software Testing. He writes here about Software Testing which includes both Manual and Automation Testing. He loves to be with his wife and cute little kid 'Freedom'.

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