Selenium Basics: TestNG
TestNG, which stands for "Test Next Generation" is designed to overcome the limitations of JUnit (another testing framework.) The framework offers a wide range of features such as:
- Parallel test execution
- Test configuration management
- Flexible test annotations
- Detailed reporting
TestNG allows testers to group test cases into suites. You can define dependencies between tests and perform data-driven testing by using data providers. The framework provides powerful assertion mechanisms, which can be used to validate test results.
TestNG is able to generated detailed test reports. These include information about the test run, including:
- the pass/failure state
- any error traces
- performance (how long did the test take)
These reports help testers identify and diagnose problems quickly, which in turn can provide faster bug fixes.
TestNG in combination with Selenium provides a good developer and QA experience, with the robust backing of Selenium Grid. Configure your TestNG tests to run on multiple browsers, in parallel, through Selenium Grid.
In the next chapters, we will cover how to set up Selenium and TestNG. Once you've got everything set up, we can continue with the chapter on how to run a test and see its result.
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