How To Use DataProviders In TestNG [With Examples]

The article explores the use of DataProviders in TestNG, a tool for Selenium test automation, which allows multiple parameter values to be passed to a single test in one execution cycle, unlike basic TestNG parameters that permit only single execution. It explains how DataProviders, which return a two-dimensional object array, can be declared in a separate class to keep test scripts organized, and how they can be used with external data sources like Excel files for more extensive data-driven testing. The article provides examples of implementing DataProviders, highlights their advantages in managing test data without hard-coding, and suggests using them for parallel testing on platforms like LambdaTest, which supports automated testing across numerous browser and OS combinations.

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