15. Unit Testing and Test-Driven Development (JUnit, Mockito)
Unit Testing and Test-Driven Development (TDD) are essential practices in modern software development to write clean, maintainable, and error-free code. Utilizing frameworks like JUnit and Mockito, developers can create automated tests and mock dependencies effectively. This methodology fosters better design decisions, early bug detection, and enhanced code quality through well-tested modules.
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What we have learnt
- Unit Testing focuses on testing individual components in isolation to ensure correct behavior.
- Test-Driven Development (TDD) emphasizes writing tests before the actual code to drive development.
- JUnit is a widely used framework for unit testing in Java, with Mockito serving as a powerful tool for creating mocks of dependencies.
Key Concepts
- -- Unit Testing
- A software testing method where individual units of code are tested independently to ensure they perform as expected.
- -- TestDriven Development (TDD)
- A software development approach in which tests are written prior to code implementation, promoting the design and structure of code.
- -- JUnit
- A widely used testing framework for Java that supports the creation and management of test cases with annotations and assertions.
- -- Mockito
- A mocking framework for Java that allows developers to create mock objects for dependencies, facilitating isolated unit testing.
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