Course Content: Mastering JUnit Framework

Course Content: Mastering JUnit Framework

Course Overview: This course is tailored for developers and testers aiming to learn and master JUnit, the widely-used testing framework for Java. By the end of the course, participants will be equipped to write, execute, and manage effective unit tests for Java applications.

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Module 1: Introduction to JUnit

1. Understanding Unit Testing
   • Importance of unit testing
   • Benefits in software development lifecycle
2. Introduction to JUnit
   • Overview and history
   • Features of JUnit
   • Comparison with other testing frameworks
3. Setting up the Environment
   • Installing Java and an IDE (e.g., IntelliJ, Eclipse)
   • Adding JUnit dependencies using Maven/Gradle

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Module 2: JUnit Basics

1. Understanding JUnit Annotations
   • @Test, @BeforeEach, @AfterEach
   • @BeforeAll, @AfterAll
2. Writing Simple Test Cases
   • Creating a test class
   • Writing basic assertions with Assert methods
3. Executing Tests
   • Running tests in IDE
   • Interpreting test results

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Module 3: Assertions and Test Validation

1. Common Assertions
   • assertEquals, assertTrue, assertFalse
   • assertArrayEquals, assertThrows
2. Advanced Assertions
   • Validating exceptions
   • Custom assertion messages
3. Understanding Assertions in JUnit 5
   • Migrating from JUnit 4 assertions

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Module 4: Test Lifecycle and Structure

1. Test Lifecycle Methods
   • @BeforeEach and @AfterEach
   • @BeforeAll and @AfterAll
2. Test Suites
   • Grouping tests with @Suite annotation
   • Running multiple test classes together
3. Test Naming and Organization
   • Best practices for naming test methods
   • Structuring test packages and classes

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Module 5: Parameterized Tests

1. Introduction to Parameterized Tests
   • Benefits and use cases
2. Setting Up Parameterized Tests
   • Using @ParameterizedTest
   • @ValueSource, @CsvSource, and @CsvFileSource
3. Customizing Parameterized Tests
   • Using ArgumentsProvider
   • Advanced data injection for tests

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Module 6: Exception Testing and Timeout

1. Testing Exceptions
   • Using assertThrows for exception validation
   • Best practices for handling expected exceptions
2. Timeout Testing
   • Using @Timeout annotation
   • Handling long-running test cases

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Module 7: Advanced JUnit Features

1. Tags and Filtering
   • Using @Tag for categorizing tests
   • Running tests based on tags
2. Conditional Test Execution
   • Conditional annotations (@EnabledIf, @DisabledIf)
   • Skipping tests with conditions
3. Dynamic Tests
   • Writing tests programmatically with @TestFactory
   • Use cases for dynamic tests

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Module 8: Integration with Tools

1. Using JUnit with Build Tools
   • Configuring JUnit in Maven and Gradle
   • Running tests during the build process
2. Continuous Integration
   • Integrating JUnit with Jenkins
   • Automating test execution in CI/CD pipelines
3. Third-Party Libraries
   • Using libraries like Mockito for mocking
   • Writing effective integration tests

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Module 9: Reporting and Debugging

1. Generating Reports
   • Test result reporting tools
   • Integrating with reporting frameworks (e.g., Allure, ExtentReports)
2. Debugging Tests
   • Common test failures and troubleshooting
   • Using IDE debugging tools
3. Test Metrics
   • Measuring code coverage
   • Tools for coverage analysis (e.g., JaCoCo)

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Module 10: Best Practices and Real-World Projects

1. Best Practices in JUnit Testing
   • Writing clean, maintainable tests
   • Balancing unit, integration, and functional tests
2. Real-World Use Cases
   • Testing REST APIs
   • Testing database interactions
3. Capstone Project
   • Building a test suite for a sample Java application
   • Code review and feedback

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Module 11: Career Advancement

1. Resume and Portfolio Building
   • Highlighting JUnit skills
   • Sharing test projects on GitHub
2. Interview Preparation
   • Common JUnit-related interview questions
   • Solving real-world test challenges
3. Certifications
   • Relevant certifications for Java testing

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Learning Outcome: Participants will master JUnit's features and techniques, enabling them to write robust, maintainable tests for Java applications and integrate them seamlessly into development workflows.

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Course Price: INR 20000