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CONTRIBUTING.md

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Contributing to Skylight Messaging System Interface

This documention is a work-in-progress that we'll be filling in as our best practices solidify.

Setting local environment variables

  1. Copy the sample env file

    cp .env.sample .env.local

  2. Modify variables in .env.local, e.g. uncommenting the EXPERIMENTER_API_CALL line will switch from the default of live experiments to preview experiments

Running the development server

npm run dev

Enabling Auth0 locally

Local development currently has Auth0 turned off, via the IS_AUTH_ENABLED env var. It’s possible to enable Auth0 locally (if desired) for testing, by setting IS_AUTH_ENABLED to true && setting the correct Auth0 values in .env.local.

To test Auth0 locally, start with these steps:

  1. Create an account at https://auth0.com/ by clicking the "Login" button and following the prompts

  2. Open the Applications section in the sidebar

  3. Create a new app and add the correct properties to .env.local

    Auth0 properties

    A long, secret value used to encrypt the session cookie (use openssl rand -hex 32 to generate a 32 byte value):

    AUTH0_SECRET='LONG_RANDOM_VALUE'

    The base url of the application:

    AUTH0_BASE_URL='http://localhost:3000'

    The url of the Auth0 tenant domain:

    AUTH0_ISSUER_BASE_URL='AUTH0_TENANT_URL'

    The application's Client ID:

    AUTH0_CLIENT_ID='YOUR_AUTH0_CLIENT_ID'

    The application's Client Secret:

    AUTH0_CLIENT_SECRET='YOUR_AUTH0_CLIENT_SECRET'

    Within the Application URIs section of the Auth0 application Settings pane, set the following properties:

    Application Login URI: https://fxms-skylight.netlify.app/api/auth/login

Allowed Callback URLs: http://localhost:3000/api/auth/callback

Allowed Logout URLs: http://localhost:3000

    URLs need to be exact or Auth0 will throw errors, including the http protocol. If something isn't working, check for typos! The Login URI must point at https://fxms-skylight.netlify.app/api/auth/login, Auth0 will not accept http:// or localhost there.

  4. Finally, create a test user in the Auth0 UI, (User Management > Users > Create User) and log in using the credentials you've created.

Documentation for Auth0 quickstart can be found at https://auth0.com/docs/quickstart/webapp/nextjs

Enabling Looker locally

Local development by default has Looker disabled, via the IS_LOOKER_ENABLED env var. It’s possible to enable it locally for testing, by setting IS_LOOKER_ENABLED to true && setting the correct Looker SDK credentials in .env.local (see .env.sample for the variables).

Ask in #data-help on Slack to get Looker API credentials for your own Looker account to use in development.

Using browser tests to pull live message data into Skylight

Skylight gets their live message data from asrouter in mozilla-central. For every new version in Release, we must be able to pull the live message data and commit it into Skylight by following these steps:

  1. Ensure that you have Firefox built by following the steps here for macOS or here for Windows.

  2. In mozilla-unified, checkout to the release tag you want to pull data from.

    To fetch all the tags, run:

    git cinnabar fetch --tags

    To see what specific tags exist, you can use regex and run a command similar to:

    git tag -l | grep 'FIREFOX_12[0-9]_0_RELEASE' | less

    Here is an example to checkout to a specific release:

    git checkout FIREFOX_129_0_RELEASE

  3. This patch contains a browser test that will pull the JSON data for live messages from asrouter. Apply the patch to the release.

    moz-phab patch --apply-to here D201646

    Run git log to verify that the HEAD is pointing to the patch that's been applied.

  4. Clobber, build, and run the browser test using the following commands:

    ./mach clobber
./mach build
./mach test --headless browser/components/newtab/test/browser/browser_dump-provider-state.js

  5. Assuming the test runs successfully, you will find the JSON output in /tmp/file.json. Commit the file into Skylight by moving the file to the appropriate location and renaming it in the format {VERSION_NUM}-release.json.

    # In Skylight
cd lib/asrouter-local-prod-messages/
mv /tmp/file.json ./{VERSION_NUM}-release.json

  6. In the file lib/mergeASRouterData.js, add the version number you've just collected data from into the availableReleases array.

  7. In the latest release data file, ensure that the message with id MR_WELCOME_DEFAULT has a template defaultaboutwelcome. This is required for the message preview for this message to work correctly.

  8. Run lib/mergeASRouterData.js using node to merge all the release data into one file.

    node lib/mergeASRouterData.js

Pull Requests

Before submitting a pull request for review, please do at least these things:

  • Update the CHANGELOG.md file with a human-readable description of the change
    • Write primarily for an audience of the users of Skylight

Code of Conduct

Please note that we have a Code of Conduct, please follow it in all your interactions with the project.