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Course Outline
Getting Started with JUnit
- What is unit testing and why it matters
- JUnit evolution: from JUnit 4 to JUnit 5 (Jupiter, Platform, Vintage)
- Setting up JUnit with Maven, Gradle, and IDEs
Writing Basic Tests
- Creating and running simple test cases
- Assertions and assumptions
- Understanding test lifecycle: @BeforeAll, @BeforeEach, @AfterEach, @AfterAll
Structuring and Organizing Tests
- Nested tests and test classes
- Parameterized tests and repeated tests
- Tagging and filtering tests
Mocking and Isolation
- Understanding mocks, stubs, and test doubles
- Using Mockito for mocking dependencies
- Mocking static methods and final classes
Integration with Build Tools
- Running JUnit tests with Maven
- Running JUnit tests with Gradle
- Integrating tests into development workflows
Testing Databases and APIs
- Database testing strategies with JUnit
- Using Testcontainers for database and service integration
- Testing REST APIs with Spring Boot and JUnit
Advanced Testing Practices
- Test-driven development (TDD) with JUnit
- Behavior-driven development (BDD) concepts
- Best practices for writing maintainable test suites
Continuous Integration and Automation
- Running JUnit tests in Jenkins, GitHub Actions, and GitLab CI
- Generating test reports and coverage metrics
- Automating regression and integration test suites
Specialized Testing Scenarios
- Testing legacy code with JUnit
- Unit-testing asynchronous and reactive code
- Testing microservices and distributed systems
Summary and Next Steps
Requirements
- Basic knowledge of the Java programming language
Audience
- Java developers
- Software engineers
- QA engineers working with automated testing
21 Hours
Testimonials (1)
The exercises