Unit Testing with JUnit Jupiter - How to Use the new JUnit Jupiter Platform

"Discover the transformative power of JUnit Jupiter, with features like display names, categorization, and parameterized tests, plus tips on structuring and naming your tests for ultimate organization and readability."

Key takeaways
  • JUnit Jupiter has a new way of naming tests, with display names and categorization using nested classes
  • Use the @DisplayName annotation to rename tests
  • Separate test code into its own class or folder
  • Use @ExtendWith to create reusable extensions
  • Implement parameterized tests using @ParameterizedTest and parameters
  • Create custom test suites using @SelectiveGroups and @IncludeTags
  • Write descriptive names for test methods using lambda expressions
  • Use @Nested to create nested tests
  • Renote methods based on intention and categorization
  • Combine @DisplayName and @Nested to create a hierarchical naming structure