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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: Live in the code

Every time your eyes leave your code, you experience what’s known as a context switch. Returning to your code, it’s common to feel disoriented, even lost. A TDD workflow that requires you to switch between your code and your tests actively will sap your ability to focus. Hence this chapter’s mantra: _“live in the code.”_ Strive to make running your tests as automatic as breathing.




# Mantra: Live in the code

Every time your eyes leave your code, you experience what’s known as a context switch. Returning to your code, it’s common to feel disoriented, even lost. A TDD workflow that requires you to switch between your code and your tests actively will sap your ability to focus. Hence this chapter’s mantra: _“live in the code.”_ Strive to make running your tests as automatic as breathing.



Understand the mantra of the Integrated Tooling with VS Code chapter.

Mantra

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: Live in the code