jest

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

• 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