run jest on single file
npm test <ng-project> -- --testFile "file-name-part"
run jest on single file
npm test <ng-project> -- --testFile "file-name-part"
jest run specific test
From the command line, use the --testNamePattern or -t flag:
jest -t 'fix-order-test'
This will only run tests that match the test name pattern you provide. It's in the Jest documentation.
Another way is to run tests in watch mode, jest --watch, and then press P to filter the tests by typing the test file name or T to run a single test name.
If you have an it inside of a describe block, you have to run
jest -t '<describeString> <itString>'
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