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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.