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Mocha

What is Mocha?

Mocha is a feature-rich JavaScript automation testing framework that runs on Node.js and in the browser. It is used primarily for unit testing and integration testing and supports both Behavior-Driven Development (BDD) and Test-Driven Development (TDD) styles. Mocha provides a flexible structure for writing and organizing test cases, using functions like describe() and it() to define test suites and test steps.

Test automation with Mocha is commonly used for:

  • Unit testing: Verifying individual components or functions in isolation.

  • Integration testing: Testing the interaction between different system components.

  • BDD/TDD: Enabling Behavior-Driven Development (BDD) or Test-Driven Development (TDD) by structuring tests using descriptive describe() and it() blocks.

  • Continuous integration: Running automated tests as part of CI/CD pipelines to ensure code quality.

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