tldr/pages/common/jest.md

jest

A zero-configuration JavaScript testing platform. More information: https://jestjs.io.

• Run all available tests:

jest

• Run the test suites from files whose paths match the given regex patterns:

jest {{test_file1}} {{path/to/test_file2.js}}

• Run the tests whose names match the given regex pattern:

jest --testNamePattern {{spec_name}}

• 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

• Show help:

jest --help