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Helper function to support test runner

Package Exports

  • @babel/helper-plugin-test-runner

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@babel/helper-plugin-test-runner) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

@babel/helper-plugin-test-runner

NOTE: This is an internal Babel module and may not work outside. Use at your own risk.

Usage:

Check Babel for an example: https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-exponentiation-operator/test

  1. Inside a /test directory, add an index.js with the contents require("@babel/helper-plugin-test-runner")(__dirname);.
  2. Inside /test/fixtures, create a folder for each suite (eg; one suite for each feature of your plugin).
  3. Suite folders may contain files and folders. Files will be transformed and run; use expect() assertions to verify correct behavior. Folders may contain input.js, output.js, and/or exec.js. The output of transforming input.js will be checked to match the contents of output.js. exec.js, if it exists, will be transformed and run, as with a file in the suite folder.
  4. Install and run mocha.
  5. To run a specific test, run mocha --grep testName.