TestNG vs. JUnit Testing Framework: Which One Is Better?

What is Unit Testing?

Difference between TestNG and JUnit

  • Ignore Tests:
  • Some tests from a huge test suite need not be executed, especially when you want to test a specific feature only. This feature clarifies if a specific unit test should be ignored or considered. Both JUnit and TestNG are equipped with this feature, along with all the annotations discussed earlier. In JUnit, this feature uses @ignore annotation:
  • It means filling values/ parameters at each test execution. As a result, we get improved code reusability. It is data-driven testing that reduces code length and improves its readability. There is a difference in the way both TestNG vs. JUnit offers this feature. TestNG has a simple approach to fix parameters in test cases. It makes use of @Parameter annotation and adds parameters to the given test method. Value of “browser” is stated in the XML file (e.g., testng.xml), whereas JUnit uses @ParameterizedTest annotation.
  • Dependent Test: This feature shows when one test method has a dependency on another test method. JUnit does not support this feature whereas TestNG does. Since TestNG is recent, it supports many types of tests. In TestNG, the dependent method uses @DependsOnMethods annotation.




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