Jest: zero-configuration JavaScript testing platform

jest is a zero-configuration JavaScript testing platform.

Run all available tests:

jest

Run the test suites from the given files:

jest path/to/file1 path/to/file2 ...

Run the test suites from files within the current and subdirectories, whose paths match the given regular expression:

jest regular_expression1 regular_expression2

Run the tests whose names match the given regular expression:

jest --testNamePattern regular_expression

Run test suites related to a given source file:

jest --findRelatedTests path/to/source_file.js

Run test suites related to all uncommitted files:

jest --onlyChanged

Watch files for changes and automatically re-run related tests:

jest --watch

Display help:

jest --help

More information: https://jestjs.io .

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