jest run a specific test file code example

Example: npm run only one test

n order to run a specific test, you'll need to use the jest command. npm test will not work. To access jest directly on the command line, install it via npm i -g jest-cli or yarn global add jest-cli.

Then simply run your specific test with jest bar.spec.js.

Note: You don't have to enter the full path to your test file. The argument is interpreted as a regexp. Any part of the full path that uniquely identifies a file suffices.

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Misc Example