Learn Java Unit Testing with Junit & Mockito in 30 Steps

Course Name : Learn Java Unit Testing with Junit & Mockito in 30 Steps
Students : 106,573
Duration : 5 hrs
Avg Rating : 4.5 (24,853 ratings)
Original Price : $119.99
Discount Price : $14
Instructor / Provider : in28Minutes, Udemy
Course Type : Self Paced Online Course. Lifetime Access
Coupon : Click on ENROLL NOW to apply discount code

You’ll Learn How to:

• Master the Basics of Unit Testing: Understand the fundamentals of unit testing with JUnit, the leading testing framework for Java.
• Learn Mocking with Mockito: Gain expertise in Mockito, the most popular mocking framework, and learn to write effective unit tests using mocking techniques.
• Integrate Frameworks: Combine JUnit, Mockito, and PowerMock to build powerful, real-world unit tests for complex scenarios.

Mockito Framework

1. Setting Up Your Project: Set up a project in Eclipse with JUnit and Mockito, and write your first unit test.
2. Why Use Mocks?: Understand the purpose of mocks and create an example to explore their value.
3. Stubs vs Mocks: Learn what stubs are, write a unit test using stubs, and understand their limitations.
4. First Mockito Test: Write your first Mockito code to mock a service, such as TodoService.
5. Mockito Stubbing: Explore variations like multiple return values, argument matchers, and exceptions.
6. Introduction to BDD: Learn Behavior-Driven Development (BDD) and use the Given-When-Then syntax with Mockito.
7. Verifying Mock Behavior: Track and verify method calls on mocks, including checking invocation counts.
8. Capturing Arguments: Capture and validate arguments passed to mocked methods.
9. Hamcrest Matchers: Use Hamcrest matchers to write more expressive and flexible assertions.
10. Mockito Annotations: Simplify mocking with annotations like @Mock, @InjectMocks, and @Captor.
11. JUnit Rules: Use MockitoJUnit.rule() as an alternative to @RunWith(MockitoJUnitRunner.class).
12. Spring Integration: Write a real-world unit test in a Spring application context.
13. Spies in Mockito: Learn what spies are and how to use them in unit tests.
14. Theory: Mockito Limitations: Understand why Mockito does not allow stubbing final and private methods.
    15–17. PowerMock and Mockito:
    • Mock static methods.
    • Invoke private methods.
    • Mock constructors.
15. Writing Great Unit Tests: Understand the principles of writing clear, maintainable, and effective unit tests.

JUnit Framework

1. Why Unit Testing Matters: Discover the importance of unit testing in software development.
2. Getting Started: Set up your first JUnit project and write a basic test.
3. First Successful Test: Run a JUnit test and validate results using assertEquals.
4. Refactoring Tests: Improve your tests for better readability and maintainability.
5. Advanced Assertions: Use assertTrue and assertFalse for additional test cases.
   6–7. Setup and Teardown: Learn the lifecycle annotations @Before, @After, @BeforeClass, and @AfterClass.
6. Array Comparison: Write tests to compare arrays and ensure data integrity.
7. Exception Testing: Validate that your code correctly handles exceptions.
8. Performance Testing: Measure performance within unit tests.
9. Parameterized Tests: Write reusable test cases with parameterized tests.
10. Organizing Tests: Structure tests into suites for better management.

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