Learn core testing concepts and testing pyramid principles.
- Testing overview and importance
- Testing pyramid concept
- Unit vs Integration vs E2E tests
- Test-driven development (TDD)
- Behavior-driven development (BDD)
- Testing terminology
- Testing strategies
- Quality assurance principles
Master unit testing with Jest framework for JavaScript code.
- Jest setup and configuration
- Writing your first tests
- Test structure and organization
- Jest matchers and assertions
- Testing async code
- Mocking functions and modules
- Test coverage reports
- Jest best practices
Test React components with React Testing Library and Jest.
- React Testing Library setup
- Component rendering tests
- User interaction testing
- Props and state testing
- Event handling tests
- Snapshot testing
- Testing hooks
- Custom render utilities
Test Express.js APIs and Node.js backend functionality.
- API testing strategies
- Supertest for HTTP testing
- Route testing
- Middleware testing
- Database testing setup
- Authentication testing
- Error handling tests
- Test database management
Test component interactions and system integration points.
- Integration testing concepts
- API integration tests
- Database integration testing
- Service integration tests
- Third-party API testing
- Contract testing
- Test environment setup
- Integration test patterns
Implement comprehensive E2E tests with Cypress and Playwright.
- E2E testing overview
- Cypress setup and configuration
- Writing E2E test scenarios
- Page object patterns
- User journey testing
- Cross-browser testing
- Visual regression testing
- E2E test automation