ci: add postgres support

.github/workflows/ci.yml

@@ -20,6 +20,11 @@ jobs:
       DISPLAY: ':99.0'
       XDG_SESSION_TYPE: 'x11'
       EGL_PLATFORM: 'x11'
+      PGHOST: localhost
+      PGPORT: 5432 
+      PGDATABASE: test_database
+      PGUSER: test_user
+      PGPASSWORD: password
 
     steps:
     - name: install Go
@@ -49,15 +54,46 @@ jobs:
         i3 &
         sleep 1
 
+        # add PostgreSQL binaries to PATH
+        echo "$(pg_config --bindir)" >> $GITHUB_PATH
+
+        export PGHOST="${RUNNER_TEMP}/postgres"
+        export PGDATA="$PGHOST/pgdata"
+        mkdir -p "$PGDATA"
+
+        echo PGHOST: $PGHOST
+        echo PGDATA: $PGDATA
+        echo GITHUB_PATH: $GITHUB_PATH
+        ls -l $GITHUB_PATH
+        psql --version
+
+        export PWFILE="${RUNNER_TEMP}/pwfile"
+        echo "postgres" > "$PWFILE"
+        initdb --pgdata="$PGDATA" --username="postgres" --pwfile="$PWFILE"
+        echo "unix_socket_directories = '$PGHOST'" >> "$PGDATA/postgresql.conf"
+        pg_ctl start
+        psql --host "$PGHOST" --username="postgres" --dbname="postgres" --command="CREATE USER $PGUSER PASSWORD '$PGPASSWORD'" --command="\du"
+        createdb --owner="$PGUSER" --username="postgres" "$PGDATABASE"
+
     - name: unit tests
       uses: nick-fields/retry@v3
       with:
         timeout_minutes: 10
         max_attempts: 3
         command: |
           go test ./rpc ./internal/... ./cmd/*/api ./cmd/worklog/store
+          go test ./cmd/worklog/pgstore
           go test -run 'Test(Amendments|Continuation|DashboardData)$' ./cmd/worklog
 
+    - name: unit tests postgres
+      if: matrix.platform == 'ubuntu-latest'
+      uses: nick-fields/retry@v3
+      with:
+        timeout_minutes: 10
+        max_attempts: 3
+        command: |
+          go test ./cmd/worklog/pgstore
+
     - name: integration tests
       uses: nick-fields/retry@v3
       with: