version: 2.1

jobs:
  test:
    parameters:
      image:
        type: string
      gemfile:
        type: string
    docker:
      - image: '<< parameters.image >>'
        auth:
          username: alassek
          password: $DOCKERHUB_TOKEN
      - image: circleci/postgres:10
        auth:
          username: alassek
          password: $DOCKERHUB_TOKEN
        environment:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: ""
          POSTGRES_HOST_AUTH_METHOD: trust
    environment:
      BUNDLER_VERSION: "1.17.3"
      BUNDLE_GEMFILE: '<< parameters.gemfile >>'
      BUNDLE_JOBS: "3"
      BUNDLE_RETRY: "3"
      PGHOST: 127.0.0.1
      PGUSER: postgres
      PGPASSWORD: ""
      TEST_USER: postgres
    steps:
      - checkout
      - run:
          name: Generate checksums
          command: |
            mkdir -p tmp
            shasum gemfiles/*.lock > tmp/checksum.txt
      - restore_cache:
          key: v1-gem-cache-{{ checksum "tmp/checksum.txt" }}
      - run:
          name: Install Dependencies
          command: |
            gem install bundler:$BUNDLER_VERSION
            bundle check --path ./vendor/bundle || bundle install --deployment
      - run:
          name: Wait for DB
          command: dockerize -wait tcp://localhost:5432 -timeout 1m
      - run:
          name: Run RSpec Tests
          command: bundle exec rake spec

workflows:
  rails_4_1:
    jobs:
      - test:
          name: Rails 4.1
          image: 'circleci/ruby:2.2.6'
          gemfile: 'gemfiles/4.1.gemfile'
  rails_4_2:
    jobs:
      - test:
          name: Rails 4.2
          image: 'circleci/ruby:2.2.10'
          gemfile: 'gemfiles/4.2.gemfile'
  rails_5_0:
    jobs:
      - test:
          name: Rails 5.0
          image: 'circleci/ruby:2.3.8'
          gemfile: 'gemfiles/5.0.gemfile'
  rails_5_1:
    jobs:
      - test:
          name: Rails 5.1
          image: 'circleci/ruby:2.4.4'
          gemfile: 'gemfiles/5.1.gemfile'
  rails_6_0:
    jobs:
      - test:
          name: Rails 6.0
          image: 'circleci/ruby:2.6.0'
          gemfile: 'gemfiles/6.0.gemfile'
  rails_6_1:
    jobs:
      - test:
          name: Rails 6.1
          image: 'circleci/ruby:3.0.1'
          gemfile: 'gemfiles/6.1.gemfile'
  rails_7_0:
    jobs:
      - test:
          name: Rails 7.0
          image: 'cimg/ruby:2.7.6'
          gemfile: 'gemfiles/7.0.gemfile'