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This course is a deep dive into testing in React. You will learn unit testing and integration testing using tools such as Jest and Enzyme. You will also learn about other tools such as ESlint, Prettier, Babel, Webpack, and Travis CI that add convenience for coding and testing.

Test-driven Development with React

## Mantra: red, green, repeat

This chapter’s mantra, _“Red, green, repeat,”_ encapsulates test-driven development (TDD) in a nutshell. Whenever you feel stuck, let the mantra guide you. In the long term, the habit of putting tests first helps to form a healthy mindset for problem-solving, one in which failing code evokes curiosity instead of despair.




# Mantra: red, green, repeat

This chapter’s mantra, _“Red, green, repeat,”_ encapsulates test-driven development (TDD) in a nutshell. Whenever you feel stuck, let the mantra guide you. In the long term, the habit of putting tests first helps to form a healthy mindset for problem-solving, one in which failing code evokes curiosity instead of despair.




Understand the mantra of the test-driven development with Jest.


Mantra

Understand the mantra of the test-driven development with Jest.

Before We Begin

Test-Driven Development with Jest

Integrated Tooling with VS Code

Testing React with Enzyme

Styling in JavaScript with Styled-Components

Refactoring with Higher-Order Components

Continuous Integration and Collaboration

Conclusion

Mantra

Mantra: red, green, repeat