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Unit Testing Java Applications using JUnit 5

Using Life Cycle Callback Extensions

Explore how to implement lifecycle callback extensions in JUnit 5 to execute code at different test phases such as before all tests, before each test, and after tests. Understand the order of execution and practical use cases to manage resources and enhance test behavior.

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Life cycle callback extensions allow us to run the code during the life cycle phase of a test.

The following are the different phases that comprise the life cycle of a JUnit Test.

  • BeforeAll
  • BeforeEach
  • Test Method
  • AfterEach
  • AfterAll

Jupiter provides an extension interface for each of the above mentioned test life cycle stages:

  • BeforeAllCallback is executed before the @BeforeAll method.

  • AfterAllCallback is executed after the @AfterAll ...