Refs #36620 -- Guarded coverage tests workflow behind a label.

This also removes the skip on the primary tests workflow so that
it runs more predictably.

Author: jacobtylerwalls

.github/workflows/coverage_tests.yml

@@ -2,9 +2,9 @@ name: Coverage Tests
 
 on:
   pull_request:
+    types: [labeled, synchronize, opened, reopened]
     paths-ignore:
       - 'docs/**'
-      - '**/*.md'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -15,9 +15,24 @@ permissions:
 
 jobs:
   coverage:
-    name: Coverage Tests (Windows)
-    runs-on: windows-latest
+    if: contains(github.event.pull_request.labels.*.name, 'coverage')
+    runs-on: ubuntu-latest
+    name: Coverage Tests (PostgreSQL)
     timeout-minutes: 60
+    services:
+      postgres:
+        image: postgres:18-alpine
+        env:
+          POSTGRES_DB: django
+          POSTGRES_USER: user
+          POSTGRES_PASSWORD: postgres
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -32,19 +47,26 @@ jobs:
           cache: 'pip'
           cache-dependency-path: 'tests/requirements/py3.txt'
 
+      - name: Update apt repo
+        run: sudo apt update
+      - name: Install libmemcached-dev for pylibmc
+        run: sudo apt install -y libmemcached-dev
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip wheel
-          python -m pip install -r tests/requirements/py3.txt -e .
+          python -m pip install -r tests/requirements/py3.txt -r tests/requirements/postgres.txt -e .
           python -m pip install 'coverage[toml]' diff-cover
 
+      - name: Create PostgreSQL settings file
+        run: mv ./.github/workflows/data/test_postgres.py.tpl ./tests/test_postgres.py
+
       - name: Run tests with coverage
         env:
           PYTHONPATH: ${{ github.workspace }}/tests
           COVERAGE_PROCESS_START: ${{ github.workspace }}/tests/.coveragerc
           RUNTESTS_DIR: ${{ github.workspace }}/tests
         run: |
-          python -Wall tests/runtests.py -v2
+          python -Wall tests/runtests.py --settings=test_postgres -v2
 
       - name: Generate coverage report
         if: success()
@@ -59,11 +81,11 @@ jobs:
       - name: Generate diff coverage report
         if: success()
         run: |
-          if (Test-Path 'tests/coverage.xml') {
+          if [ -f tests/coverage.xml ]; then
             diff-cover tests/coverage.xml --compare-branch=origin/main --fail-under=0 > diff-cover-report.md
-          } else {
-            Set-Content -Path diff-cover-report.md -Value 'No coverage data available.'
-          }
+          else
+            echo "No coverage data available." > diff-cover-report.md
+          fi
 
       - name: Save PR number
         if: success()

.github/workflows/tests.yml

@@ -19,7 +19,6 @@ permissions:
 
 jobs:
   windows:
-    if: github.event_name == 'push'
     runs-on: windows-latest
     strategy:
       matrix: