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Unit Testing Java Applications using JUnit 5

1.Before We Begin

2.Introduction to JUnit 5

Introduction to Testing Pyramid and Unit Testing Introduction to JUnit 5 JUnit 5 Architecture Our First Unit Test with JUnit 5 Quiz Yourself on JUnit 5 Architecture

3.Junit 5 Core Concepts

Structuring Tests Using the AAA Approach Assertions Assumptions Understanding JUnit 5 Life Cycle Conditional Execution Nested Tests Tagged Tests Repeated Tests Parameterized Tests Disabled Tests Quiz Yourself on JUnit5 Core Concepts

4.Dynamic Tests

`TestFactory` Annotation

5.Dependency Injection in JUnit 5

Using the TestInfoParameterResolver Class Using the TestReporterParameterResovler Class Using the RepetitionInfoParameterResolver Class

6.JUnit 5 Extensions

JUnit 5 Extension Model Using the `TestInstancePostProcessor` Extension Using the `ExecutionCondition` Extension Using Life Cycle Callback Extensions Using the ParameterResolver Extension Using TestExecutionExceptionHandler Extension Different Ways to Register Extensions Quiz Yourself on JUnit 5 Extensions

7.Migrating from Junit 4 to Junit 5

Difference between JUnit 4 and JUnit 5 Rule Support in JUnit 5

8.Appendix

IDE Support for JUnit 5 Setting up JUnit 5 with Maven Setting up JUnit 5 with Gradle Running JUnit5 Tests with Maven Running JUnit5 Tests with Gradle Running JUnit 4 Tests in Junit 5 Resources

9.BONUS: Useful Assertion Libraries

AssertJ Hamcrest JSONAssert

10.Conclusion

Unit Testing Java Applications using JUnit 5

Quiz Yourself on JUnit 5 Extensions

Test your understanding of the JUnit 5 extension model through this quiz.

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