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Contributing | Firebase Admin Go SDK

Thank you for contributing to the Firebase community!

Have a usage question?

We get lots of those and we love helping you, but GitHub is not the best place for them. Issues which just ask about usage will be closed. Here are some resources to get help:

If the official documentation doesn't help, try asking a question on the Firebase Google Group or one of our other official support channels.

Please avoid double posting across multiple channels!

Think you found a bug?

Yeah, we're definitely not perfect!

Search through old issues before submitting a new issue as your question may have already been answered.

If your issue appears to be a bug, and hasn't been reported, open a new issue. Please use the provided bug report template and include a minimal repro.

If you are up to the challenge, submit a pull request with a fix!

Have a feature request?

Great, we love hearing how we can improve our products! Share you idea through our feature request support channel.

Want to submit a pull request?

Sweet, we'd love to accept your contribution! Open a new pull request and fill out the provided template.

Make sure to create all your pull requests against the dev branch. All development work takes place on this branch, while the master branch is dedicated for released stable code. This enables us to review and merge routine code changes, without impacting downstream applications that are building against our master branch.

If you want to implement a new feature, please open an issue with a proposal first so that we can figure out if the feature makes sense and how it will work.

Make sure your changes pass our linter and the tests all pass on your local machine. Most non-trivial changes should include some extra test coverage. If you aren't sure how to add tests, feel free to submit regardless and ask us for some advice.

Finally, you will need to sign our Contributor License Agreement, and go through our code review process before we can accept your pull request.

Contributor License Agreement

Contributions to this project must be accompanied by a Contributor License Agreement. You (or your employer) retain the copyright to your contribution. This simply gives us permission to use and redistribute your contributions as part of the project. Head over to https://cla.developers.google.com/ to see your current agreements on file or to sign a new one.

You generally only need to submit a CLA once, so if you've already submitted one (even if it was for a different project), you probably don't need to do it again.

Code reviews

All submissions, including submissions by project members, require review. We use GitHub pull requests for this purpose. Consult GitHub Help for more information on using pull requests.

Need to get set up locally?

Initial Setup

Use the standard GitHub and Go development tools to build and test the Firebase Admin SDK. Follow the instructions given in the golang documentation to get your GOPATH set up correctly. Then execute the following series of commands to checkout the sources of Firebase Admin SDK, and its dependencies:

$ cd $GOPATH
$ git clone https://github.com/firebase/firebase-admin-go.git src/firebase.google.com/go
$ go get -d -t firebase.google.com/go/... # Install dependencies

Unit Testing

Invoke the go test command as follows to build and run the unit tests:

go test -test.short firebase.google.com/go/...

Note the -test.short flag passed to the go test command. This will skip the integration tests, and only execute the unit tests.

Integration Testing

Integration tests are executed against a real life Firebase project. If you do not already have one suitable for running the tests against, you can create a new project in the Firebase Console following the setup guide below. If you already have a Firebase project, you'll need to obtain credentials to communicate and authorize access to your Firebase project:

  1. Service account certificate: This allows access to your Firebase project through a service account which is required for all integration tests. This can be downloaded as a JSON file from the Settings > Service Accounts tab of the Firebase console when you click the Generate new private key button. Copy the file into the repo so it's available at src/firebase.google.com/go/testdata/integration_cert.json.

    Note: Service accounts should be carefully managed and their keys should never be stored in publicly accessible source code or repositories.

  2. Web API key: This allows for Auth sign-in needed for some Authentication and Tenant Management integration tests. This is displayed in the Settings > General tab of the Firebase console after enabling Authentication as described in the steps below. Copy it and save to a new text file at src/firebase.google.com/go/testdata/integration_apikey.txt.

Set up your Firebase project as follows:

  1. Enable Authentication:

    1. Go to the Firebase Console, and select Authentication from the Build menu.
    2. Click on Get Started.
    3. Select Sign-in method > Add new provider > Email/Password then enable both the Email/Password and Email link (passwordless sign-in) options.

  2. Enable Firestore:

    1. Go to the Firebase Console, and select Firestore Database from the Build menu.
    2. Click on the Create database button. You can choose to set up Firestore either in the production mode or in the test mode.

  3. Enable Realtime Database:

    1. Go to the Firebase Console, and select Realtime Database from the Build menu.
    2. Click on the Create Database button. You can choose to set up the Realtime Database either in the locked mode or in the test mode.

    Note: Integration tests are not run against the default Realtime Database reference and are instead run against a database created at https://{PROJECT_ID}.firebaseio.com. This second Realtime Database reference is created in the following steps.

    1. In the Data tab click on the kebab menu (3 dots) and select Create Database.
    2. Enter your Project ID (Found in the General tab in Account Settings) as the Realtime Database reference. Again, you can choose to set up the Realtime Database either in the locked mode or in the test mode.

  4. Enable Storage:

    1. Go to the Firebase Console, and select Storage from the Build menu.
    2. Click on the Get started button. You can choose to set up Cloud Storage either in the production mode or in the test mode.

  5. Enable the IAM API:

    1. Go to the Google Cloud console and make sure your Firebase project is selected.
    2. Select APIs & Services from the main menu, and click the ENABLE APIS AND SERVICES button.
    3. Search for and enable Identity and Access Management (IAM) API by Google Enterprise API.

  6. Enable Tenant Management:

    1. Go to Google Cloud console | Identity Platform and if it is not already enabled, click Enable.
    2. Then enable multi-tenancy for your project.

  7. Ensure your service account has the Firebase Authentication Admin role. This is required to ensure that exported user records contain the password hashes of the user accounts:

    1. Go to Google Cloud console | IAM & admin.
    2. Find your service account in the list. If not added click the pencil icon to edit its permissions.
    3. Click ADD ANOTHER ROLE and choose Firebase Authentication Admin.
    4. Click SAVE.

Now you can invoke the test suite as follows:

go test firebase.google.com/go/...

This will execute both unit and integration test suites.

Test Coverage

Coverage can be measured per package by passing the -cover flag to the test invocation:

go test -cover firebase.google.com/go/auth

To view the detailed coverage reports (per package):

go test -cover -coverprofile=coverage.out firebase.google.com/go
go tool cover -html=coverage.out