Adjust db config and prepare system test

Author: sanak

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Test with Postgres
+name: Test
 
 env:
   PLUGIN_NAME: ${{ github.event.repository.name }}
@@ -15,7 +15,7 @@ on:
 
 jobs:
   test:
-    name: redmine:${{ matrix.redmine_version }} ruby:${{ matrix.ruby_version }} postgres:${{ matrix.db_version }}
+    name: redmine:${{ matrix.redmine_version }} ruby:${{ matrix.ruby_version }} db:${{ matrix.db }}
     runs-on: ubuntu-22.04
 
     container:
@@ -25,17 +25,33 @@ jobs:
       fail-fast: false
       matrix:
         redmine_version: [4.2-stable, 5.0-stable, master]
-        ruby_version: [2.7, 3.0, 3.1]
-        db_version: [10, 14]
+        ruby_version: ['2.6', '2.7', '3.0', '3.1']
+        db: [mysql, postgres, sqlite]
+        # # System test takes 2~3 times longer, so limit to specific matrix combinations
+        # # See: https://docs.github.com/en/actions/using-jobs/using-a-matrix-for-your-jobs#expanding-or-adding-matrix-configurations
+        # include:
+        #   - system_test: true
+        #     redmine_version: master
+        #     ruby_version: '3.1'
+        #     db: mysql
         exclude:
           - redmine_version: 4.2-stable
-            ruby_version: 3.0
+            ruby_version: '3.0'
           - redmine_version: 4.2-stable
-            ruby_version: 3.1
+            ruby_version: '3.1'
 
     services:
+      mysql:
+        image: mysql:5.7 # min
+        # image: mysql:8.0 # latest
+        env:
+          MYSQL_ROOT_PASSWORD: password
+        ports:
+          - 3306:3306
+        options: --health-cmd "mysqladmin ping" --health-interval 10s --health-timeout 5s --health-retries 5
       postgres:
-        image: postgres:${{ matrix.db_version }}
+        image: postgres:10 # min
+        # image: postgres:15 # latest
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
@@ -45,37 +61,73 @@ jobs:
 
     steps:
       - name: Checkout Redmine
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: redmine/redmine
           ref: ${{ matrix.redmine_version }}
           path: redmine
 
       - name: Checkout Plugin
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           path: redmine/plugins/${{ env.PLUGIN_NAME }}
 
       - name: Update package archives
         run: apt-get update --yes --quiet
 
       - name: Install package dependencies
-        run: >
-          apt-get install --yes --quiet
-          postgresql-client
+        run: |
+          if [ ${{ matrix.db }} = "mysql" ]; then
+            apt-get install --yes --quiet default-mysql-client-core
+          fi
+          if [ ${{ matrix.db }} = "postgres" ]; then
+            apt-get install --yes --quiet postgresql-client
+          fi
+          # For system test
+          if [ ${{ matrix.system_test }} = "true" ]; then
+            wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+            sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list'
+            apt-get -y update
+            apt-get install -y google-chrome-stable
+          fi
+
+      - name: Verify MySQL connection from host
+        if: matrix.db == 'mysql'
+        run: |
+          mysql --host mysql --port 3306 -uroot -ppassword -e "SHOW DATABASES"
 
       - name: Prepare Redmine source
         working-directory: redmine
         run: |
-          cat <<EOF > config/database.yml
-            test:
-              adapter: postgresql
-              database: redmine
-              host: postgres
-              username: postgres
-              password: postgres
-              encoding: utf8
+          if [ ${{ matrix.db }} = "mysql" ]; then
+            cat <<EOF > config/database.yml
+              test:
+                adapter: mysql2
+                database: redmine
+                host: mysql
+                username: root
+                password: password
+                encoding: utf8mb4
+          EOF
+          fi
+          if [ ${{ matrix.db }} = "postgres" ]; then
+            cat <<EOF > config/database.yml
+              test:
+                adapter: postgresql
+                database: redmine
+                host: postgres
+                username: postgres
+                password: postgres
+                encoding: utf8
           EOF
+          fi
+          if [ ${{ matrix.db }} = "sqlite" ]; then
+            cat <<EOF > config/database.yml
+              test:
+                adapter: sqlite3
+                database: db/redmine.sqlite3
+          EOF
+          fi
 
       - name: Install Ruby dependencies
         working-directory: redmine
@@ -101,12 +153,29 @@ jobs:
           fi
         shell: bash
 
-      - name: Run tests
+      - name: Run plugin tests
         env:
           RAILS_ENV: test
+          # For system test in plugin
+          GOOGLE_CHROME_OPTS_ARGS: "headless,disable-gpu,no-sandbox,disable-dev-shm-usage"
         working-directory: redmine
         run: bundle exec rake redmine:plugins:test NAME=${{ env.PLUGIN_NAME }} RUBYOPT="-W0"
 
+      # - name: Run core tests
+      #   env:
+      #     RAILS_ENV: test
+      #     PARALLEL_WORKERS: 1
+      #   working-directory: redmine
+      #   run: bundle exec rake test
+
+      # - name: Run core system tests
+      #   if: matrix.system_test == true
+      #   env:
+      #     RAILS_ENV: test
+      #     GOOGLE_CHROME_OPTS_ARGS: "headless,disable-gpu,no-sandbox,disable-dev-shm-usage"
+      #   working-directory: redmine
+      #   run: bundle exec rake test:system
+
       - name: Run uninstall test
         env:
           RAILS_ENV: test