Java - TestNG

Compared to JUnit, TestNG is better on integration and end-to-end tests (e.g. with Selenium).

  • No need to create own Thread objects (Use annotations)
  • Dependencies between tests:
    • fail fast: run Selenium tests only if application was deployed properly, run full system tests only if smoke tests passed. The feedback will be much quicker in case of failed tests.
    • logical dependencies between tests: execute shouldDeleteUserFromDatabase test only if shouldAddUserToDatabase worked> It gives you a much more realistic error information - 1 tests has failed and 99 has been skipped, which is much easier to fix than the information about 100 failed tests
  • Listeners, Reporters. It is pretty easy to write your own listeners (which act in runtime) and reporters (which are invoked after the execution).
  • Factories: Factories allow you to create tests dynamically.

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