functions-test.yml

name: Cloud Functions for Firebase

on:
  push:
    branches:
      - main
    paths:
      - 'firebase/functions/**'
      - '!**.md'
  pull_request:
    paths:
      - 'firebase/functions/**'
      - '!**.md'

jobs:
  test:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    defaults:
      run:
        working-directory: ./firebase/functions
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
      cancel-in-progress: true

    steps:
      - uses: actions/checkout@v3

      - name: setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 18
          cache: 'npm'
          # ref. https://zenn.dev/nixieminton/articles/8b26a92feb26d8
          cache-dependency-path: ./firebase/functions/package-lock.json

      - name: Cache firebase emulators
        uses: actions/cache@v3
        with:
          path: ~/.cache/firebase/emulators
          key: ${{ runner.os }}-firebase-emulators-${{ hashFiles('~/.cache/firebase/emulators/**') }}

      - name: Install dependencies
        run: npm ci

      - name: Run tests
        # - --project: GitHub Actionsでは`firebase login`ができないため、プロジェクトの`default`指定が必要
        # `default`は`.firebaserc`の値に依存する
        #
        # - --forceExit: 実行されたjestが終了せずCIがタイムアウトしてしまうため`--forceExit`でテスト終了後強制終了させる
        # ref. https://jestjs.io/docs/cli#--forceexit
        run: npm run test:instance -- --project default