Add CI script test

.github/workflows/ci.yml

@@ -7,8 +7,51 @@ on:
       - '!master'
 
 jobs:
+  test:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:latest
+        env:
+          POSTGRES_DB: "database"
+          POSTGRES_USER: "user"
+          POSTGRES_PASSWORD: "test"
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options:
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Test backup script
+        env:
+          POSTGRES_DB: "database"
+          POSTGRES_USER: "user"
+          POSTGRES_PASSWORD: "test"
+          POSTGRES_HOST: "127.0.0.1"
+          POSTGRES_PORT: 5432
+          POSTGRES_EXTRA_OPTS: "-Z0"
+          BACKUP_DIR: ".data"
+          # Defaults
+          POSTGRES_DB_FILE: "**None**"
+          POSTGRES_USER_FILE: "**None**"
+          POSTGRES_PASSWORD_FILE: "**None**"
+          POSTGRES_PASSFILE_STORE: "**None**"
+          POSTGRES_CLUSTER: "FALSE"
+          BACKUP_SUFFIX: ".sql.gz"
+          BACKUP_KEEP_DAYS: 7
+          BACKUP_KEEP_WEEKS: 4
+          BACKUP_KEEP_MONTHS: 6
+        run: |
+          mkdir -p "$BACKUP_DIR"
+          sh -xe backup.sh
   build:
     runs-on: ubuntu-latest
+    needs: [ test ]
     steps:
       - uses: actions/checkout@v2
 

.gitignore

@@ -0,0 +1 @@
+.data