Try splitting GitHub Actions into parallel jobs (publiclab#9001)

* Try splitting GitHub Actions into parallel jobs

https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-syntax-for-github-actions#jobs

* fixed yml with `steps:`

* Update continuous-integration.yml

* Update continuous-integration.yml

* Update and rename .github/workflows/continuous-integration.yml to .github/tests.yml

* move setup out

* Create setup-test-environment.yml

* Update continuous-integration.yml

* Rename .github/actions/setup-test-environment.yml to .github/actions/setup-test-environment/action.yml

* Update continuous-integration.yml

* Update continuous-integration.yml

* Update and rename .github/continuous-integration.yml to .github/workflows/tests.yml

* Update tests.yml

* Update tests.yml

* Update action.yml

* Update tests.yml

* remove gem installation steps as i believe they're done in ruby-setup

* Update action.yml

* Update tests.yml

* add redis to functional tests

* Update action.yml

* add redis to system tests

.github/actions/setup-test-environment/action.yml

@@ -0,0 +1,30 @@
+name: 'Set up test environment'
+description: 'Set up test environment for plots2, except yarn'
+
+services:
+  mysql:
+    image: mysql:5.7
+    env:
+      MYSQL_ROOT_PASSWORD: root
+    ports:
+    - 3306
+    options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+runs:
+  using: "composite"
+  steps:
+
+  - name: Setup database
+    shell: bash
+    env:
+      RAILS_ENV: test
+      DB_PASSWORD: root
+      # tell Rails to use proper port for MySQL
+      DB_PORT: ${{ job.services.mysql.ports[3306] }}
+    run: |
+      cp config/database.yml.example config/database.yml
+      cp db/schema.rb.example db/schema.rb
+      sudo systemctl start mysql
+      mysql -uroot -proot -e "SET @@global.sql_mode=(SELECT REPLACE(@@global.sql_mode, 'ONLY_FULL_GROUP_BY', ''));"
+      mysql -uroot -proot -e "CREATE DATABASE plots;"
+      bundle exec rake db:schema:load db:migrate --trace
+      # above SET @@global.sql_mode is to address issue in https://github.com/publiclab/plots2/issues/3120

.github/workflows/tests.yml

@@ -0,0 +1,103 @@
+name: tests
+on: [pull_request]
+jobs:
+
+  unit-tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 2.6 # Not needed with a .ruby-version file
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically (not working?)
+    - uses: ./.github/actions/setup-test-environment
+    - name: "Unit Tests"
+      env:
+        RAILS_ENV: test
+        DB_PASSWORD: root
+        DB_PORT: ${{ job.services.mysql.ports[3306] }}
+      run: bundle exec rails test test/unit
+
+  functional-tests:
+    runs-on: ubuntu-latest
+    services:
+      redis:
+        image: redis
+        # Set health checks to wait until redis has started
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          # Maps port 6379 on service container to the host
+          - 6379:6379
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 2.6 # Not needed with a .ruby-version file
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically (not working?)
+    - uses: ./.github/actions/setup-test-environment
+    - name: Install JavaScript dependencies with Yarn
+      run: yarn check || yarn install;
+    - name: "Functional Tests"
+      env:
+        RAILS_ENV: test
+        DB_PASSWORD: root
+        DB_PORT: ${{ job.services.mysql.ports[3306] }}
+      run: bundle exec rails test test/functional
+
+  integration-tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 2.6 # Not needed with a .ruby-version file
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically (not working?)
+    - uses: ./.github/actions/setup-test-environment
+    - name: Install JavaScript dependencies with Yarn
+      run: yarn check || yarn install;
+    - name: "Integration Tests"
+      env:
+        RAILS_ENV: test
+        DB_PASSWORD: root
+        DB_PORT: ${{ job.services.mysql.ports[3306] }}
+      run: bundle exec rails test test/integration
+
+  system-tests:
+    runs-on: ubuntu-latest
+    services:
+      redis:
+        image: redis
+        # Set health checks to wait until redis has started
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          # Maps port 6379 on service container to the host
+          - 6379:6379
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 2.6 # Not needed with a .ruby-version file
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically (not working?)
+    - uses: nanasess/[email protected]
+    - uses: ./.github/actions/setup-test-environment
+    - name: Install JavaScript dependencies with Yarn
+      run: yarn check || yarn install;
+    - name: "System Tests"
+      env:
+        RAILS_ENV: test
+        DB_PASSWORD: root
+        DB_PORT: ${{ job.services.mysql.ports[3306] }}
+        REDIS_HOST: localhost
+        REDIS_PORT: 6379
+      run: |
+        export DISPLAY=:99
+        chromedriver --url-base=/wd/hub &
+        bundle exec rails test:system