mastodon/.github/workflows/test-migrations.yml

name: Historical data migration test

on:
  merge_group:
  push:
    branches:
      - 'main'
      - 'stable-*'
    paths:
      - 'Gemfile*'
      - '.ruby-version'
      - '**/*.rb'
      - '.github/workflows/test-migrations.yml'
      - 'lib/tasks/tests.rake'
      - 'lib/tasks/db.rake'

  pull_request:
    paths:
      - 'Gemfile*'
      - '.ruby-version'
      - '**/*.rb'
      - '.github/workflows/test-migrations.yml'
      - 'lib/tasks/tests.rake'

jobs:
  test:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false

      matrix:
        postgres:
          - 14-alpine
          - 15-alpine
          - 16-alpine
          - 17-alpine

    services:
      postgres:
        image: postgres:${{ matrix.postgres}}
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_USER: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10ms
          --health-timeout 3s
          --health-retries 50          
        ports:
          - 5432:5432

      redis:
        image: redis:7-alpine
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10ms
          --health-timeout 3s
          --health-retries 50          
        ports:
          - 6379:6379

    env:
      DB_HOST: localhost
      DB_USER: postgres
      DB_PASS: postgres
      RAILS_ENV: test
      BUNDLE_CLEAN: true
      BUNDLE_FROZEN: true
      BUNDLE_WITHOUT: 'development:production'
      BUNDLE_JOBS: 3
      BUNDLE_RETRY: 3

    steps:
      - uses: actions/checkout@v4

      - name: Set up Ruby environment
        uses: ./.github/actions/setup-ruby

      - name: Ensure no errors with `db:prepare`
        run: |
          bin/rails db:drop
          bin/rails db:prepare
          bin/rails db:migrate          

      - name: Ensure no errors with `db:prepare` and SKIP_POST_DEPLOYMENT_MIGRATIONS
        run: |
          bin/rails db:drop
          SKIP_POST_DEPLOYMENT_MIGRATIONS=true bin/rails db:prepare
          bin/rails db:migrate          

      - name: Test "one step migration" flow
        run: |
          bin/rails db:drop
          bin/rails db:create
          bin/rails tests:migrations:prepare_database
          bin/rails db:migrate
          bin/rails tests:migrations:check_database          

      - name: Test "two step migration" flow
        run: |
          bin/rails db:drop
          bin/rails db:create
          SKIP_POST_DEPLOYMENT_MIGRATIONS=true bin/rails tests:migrations:prepare_database

          # Migrate up to v4.2.0 breakpoint
          bin/rails db:migrate VERSION=20230907150100

          # Migrate the rest
          SKIP_POST_DEPLOYMENT_MIGRATIONS=true bin/rails db:migrate
          bin/rails db:migrate
          bin/rails tests:migrations:check_database