version: 2

aliases:
  - &defaults
    docker:
      - image: circleci/ruby:2.6.0-stretch-node
        environment: &ruby_environment
          BUNDLE_APP_CONFIG: ./.bundle/
          DB_HOST: localhost
          DB_USER: root
          RAILS_ENV: test
          PARALLEL_TEST_PROCESSORS: 4
          ALLOW_NOPAM: true
          CONTINUOUS_INTEGRATION: true
          DISABLE_SIMPLECOV: true
          PAM_ENABLED: true
          PAM_DEFAULT_SERVICE: pam_test
          PAM_CONTROLLED_SERVICE: pam_test_controlled
    working_directory: ~/projects/mastodon/

  - &attach_workspace
    attach_workspace:
      at: ~/projects/

  - &persist_to_workspace
    persist_to_workspace:
      root: ~/projects/
      paths:
        - ./mastodon/

  - &restore_ruby_dependencies
    restore_cache:
      keys:
        - v2-ruby-dependencies-{{ checksum "/tmp/.ruby-version" }}-{{ checksum "Gemfile.lock" }}
        - v2-ruby-dependencies-{{ checksum "/tmp/.ruby-version" }}-
        - v2-ruby-dependencies-

  - &install_steps
    steps:
      - checkout
      - *attach_workspace

      - restore_cache:
          keys:
            - v1-node-dependencies-{{ checksum "yarn.lock" }}
            - v1-node-dependencies-
      - run: yarn install --frozen-lockfile
      - save_cache:
          key: v1-node-dependencies-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules/

      - *persist_to_workspace

  - &install_system_dependencies
      run:
        name: Install system dependencies
        command: |
          sudo apt-get update
          sudo apt-get install -y libicu-dev libidn11-dev libprotobuf-dev protobuf-compiler

  - &install_ruby_dependencies
      steps:
        - *attach_workspace

        - *install_system_dependencies

        - run: ruby -e 'puts RUBY_VERSION' | tee /tmp/.ruby-version
        - *restore_ruby_dependencies
        - run: bundle install --clean --jobs 16 --path ./vendor/bundle/ --retry 3 --with pam_authentication --without development production && bundle clean
        - save_cache:
            key: v2-ruby-dependencies-{{ checksum "/tmp/.ruby-version" }}-{{ checksum "Gemfile.lock" }}
            paths:
              - ./.bundle/
              - ./vendor/bundle/
        - persist_to_workspace:
            root: ~/projects/
            paths:
                - ./mastodon/.bundle/
                - ./mastodon/vendor/bundle/

  - &test_steps
      steps:
        - *attach_workspace

        - *install_system_dependencies
        - run: sudo apt-get install -y ffmpeg

        - run:
            name: Prepare Tests
            command: ./bin/rails parallel:create parallel:load_schema parallel:prepare
        - run:
            name: Run Tests
            command: ./bin/retry bundle exec parallel_test ./spec/ --group-by filesize --type rspec

jobs:
  install:
    <<: *defaults
    <<: *install_steps

  install-ruby2.6:
    <<: *defaults
    <<: *install_ruby_dependencies

  install-ruby2.5:
    <<: *defaults
    docker:
      - image: circleci/ruby:2.5.3-stretch-node
        environment: *ruby_environment
    <<: *install_ruby_dependencies

  install-ruby2.4:
    <<: *defaults
    docker:
      - image: circleci/ruby:2.4.5-stretch-node
        environment: *ruby_environment
    <<: *install_ruby_dependencies

  build:
    <<: *defaults
    steps:
      - *attach_workspace
      - *install_system_dependencies
      - run: ./bin/rails assets:precompile
      - persist_to_workspace:
          root: ~/projects/
          paths:
              - ./mastodon/public/assets
              - ./mastodon/public/packs-test/

  test-ruby2.6:
    <<: *defaults
    docker:
      - image: circleci/ruby:2.6.0-stretch-node
        environment: *ruby_environment
      - image: circleci/postgres:10.6-alpine
        environment:
          POSTGRES_USER: root
      - image: circleci/redis:5.0.3-alpine3.8
    <<: *test_steps

  test-ruby2.5:
    <<: *defaults
    docker:
      - image: circleci/ruby:2.5.3-stretch-node
        environment: *ruby_environment
      - image: circleci/postgres:10.6-alpine
        environment:
          POSTGRES_USER: root
      - image: circleci/redis:4.0.12-alpine
    <<: *test_steps

  test-ruby2.4:
    <<: *defaults
    docker:
      - image: circleci/ruby:2.4.5-stretch-node
        environment: *ruby_environment
      - image: circleci/postgres:10.6-alpine
        environment:
          POSTGRES_USER: root
      - image: circleci/redis:4.0.12-alpine
    <<: *test_steps

  test-webui:
    <<: *defaults
    docker:
      - image: circleci/node:8.15.0-stretch
    steps:
      - *attach_workspace
      - run: ./bin/retry yarn test:jest

  check-i18n:
    <<: *defaults
    steps:
      - *attach_workspace
      - run: bundle exec i18n-tasks check-normalized
      - run: bundle exec i18n-tasks unused -l en
      - run: bundle exec i18n-tasks check-consistent-interpolations

workflows:
  version: 2
  build-and-test:
    jobs:
      - install
      - install-ruby2.6:
          requires:
            - install
      - install-ruby2.5:
          requires:
            - install
            - install-ruby2.6
      - install-ruby2.4:
          requires:
            - install
            - install-ruby2.6
      - build:
          requires:
            - install-ruby2.6
      - test-ruby2.6:
          requires:
            - install-ruby2.6
            - build
      - test-ruby2.5:
          requires:
            - install-ruby2.5
            - build
      - test-ruby2.4:
          requires:
            - install-ruby2.4
            - build
      - test-webui:
          requires:
            - install
      - check-i18n:
          requires:
            - install-ruby2.6
