jest

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

• Show help:

jest --help

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