Testing in React: Beyond Unit Tests

1h 17mIntermediate2025-07-17

Authors

Ayodele Aransiola

Technical Support Specialist and Software Engineer

Course details

In this course, learn how to implement different testing strategies for your React applications. Join instructor Ayodele Aransiola in this interactive learning experience as he covers test-driven development practices and mocking strategy for asynchronous data. By the end of this course, you should be able to build production-ready React applications with quality testing suites.

Learning objectives
Design and implement integration and end-to-end tests that accurately simulate real user interactions and workflows.
Apply test-driven development (TDD) principles in React projects to improve code quality and maintainability.
Learn developer strategies (such as MSW) for handling asynchronous data, resulting in more reliable and predictable tests for their production-ready applications.

Skills covered

Front-End Web DevelopmentWeb DevelopmentOne-Off

Concepts

Introduction

Go beyond unit tests in React
Different testing strategies and their importance
Writing effective unit tests
Mocking and stubbing in unit tests

Integration Testing

Setting up integration tests
Testing component interactions
Data flow and context testing
Challenge - Component integration
Solution - Successful component testing

End-to-End (E2E) Testing

Introduction to E2E
Writing E2E for user scenarios
Using Playwright for E2E
Challenge - Automating user journey
Solution - E2E flow

Test-Driven Development (TDD)

TDD fundamentals
Handling asynchronous data
Writing, refactoring, and code quality using TDD
Challenge - Red and green
Solution - Test first, then code

Conclusion

Summary and next steps