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semaphore/CONTRIBUTING.md

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Contributing to Pinafore

Caveats

Please note that this project is very beta right now, and I'm not in a good position to accept large PRs for big new features.

I'm making my code open-source for the sake of transparency and because it's the right thing to do, but I'm hesitant to start nurturing a community because of all that entails.

So I may not be very responsive to PRs or issues. Thanks for understanding.

Development

To run a dev server with hot reloading:

npm run dev

Now it's running at localhost:4002.

Linting

Pinafore uses JavaScript Standard Style.

Lint:

npm run lint

Automatically fix most linting issues:

npm run lint-fix

Testing

Testing requires running Mastodon itself, meaning the Mastodon development guide is relevant here. In particular, you'll need a recent version of Ruby, Redis, and Postgres running.

Run integration tests, using headless Chrome by default:

npm test

Run tests for a particular browser:

BROWSER=chrome npm run test-browser
BROWSER=chrome:headless npm run test-browser
BROWSER=firefox npm run test-browser
BROWSER=firefox:headless npm run test-browser
BROWSER=safari npm run test-browser
BROWSER=edge npm run test-browser

Testing in development mode

In separate terminals:

1. Run a Mastodon dev server:

npm run run-mastodon

2. Run a Pinafore dev server:

npm run dev

3. Run a debuggable TestCafé instance:

npx testcafe --hostname localhost --skip-js-errors --debug-mode firefox tests/spec

If you want to export the current data in the Mastodon instance as canned data, so that it can be loaded later, run:

npm run backup-mastodon-data

Writing tests

Tests use TestCafé. The tests have a naming convention:

  • 0xx-test-name.js: tests that don't modify the Mastodon database (post, delete, follow, etc.)
  • 1xx-test-name.js: tests that do modify the Mastodon database

In principle the 0- tests don't have to worry about clobbering each other, whereas the 1- ones do.

Debugging Webpack

The Webpack Bundle Analyzer report.html and stats.json are available publicly via e.g.:

This is also available locally after npm run build at .sapper/client/report.html.

Updating Mastodon used for testing

  1. Run rm -fr mastodon to clear out all Mastodon data
  2. Comment out await restoreMastodonData() in run-mastodon.js to avoid actually populating the database with statuses/favorites/etc.
  3. Update the GIT_TAG in run-mastodon.js to whatever you want
  4. Run npm run run-mastodon
  5. Run npm run backup-mastodon-data to overwrite the data in fixtures/
  6. Uncomment await restoreMastodonData() in run-mastodon.js
  7. Commit all changed files
  8. Run rm -fr mastodon/ and npm run run-mastodon to confirm everything's working

Check mastodon.log if you have any issues.

Unit tests

There are also some unit tests that run in Node using Mocha. You can find them in tests/unit and run them using npm run test-unit.