👷 Add coverage with Smokeshow to CI and badge (#638)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

.github/workflows/smokeshow.yml

@@ -0,0 +1,35 @@
+name: Smokeshow
+
+on:
+  workflow_run:
+    workflows: [Test]
+    types: [completed]
+
+permissions:
+  statuses: write
+
+jobs:
+  smokeshow:
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+
+      - run: pip install smokeshow
+
+      - uses: dawidd6/action-download-artifact@v2.28.0
+        with:
+          workflow: test.yml
+          commit: ${{ github.event.workflow_run.head_sha }}
+
+      - run: smokeshow upload coverage-html
+        env:
+          SMOKESHOW_GITHUB_STATUS_DESCRIPTION: Coverage {coverage-percentage}
+          SMOKESHOW_GITHUB_COVERAGE_THRESHOLD: 90
+          SMOKESHOW_GITHUB_CONTEXT: coverage
+          SMOKESHOW_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SMOKESHOW_GITHUB_PR_HEAD_SHA: ${{ github.event.workflow_run.head_sha }}
+          SMOKESHOW_AUTH_KEY: ${{ secrets.SMOKESHOW_AUTH_KEY }}

.github/workflows/test.yml

@@ -29,6 +29,23 @@ jobs:
       - name: Docker Compose up
         run: docker compose up -d
       - name: Docker Compose run tests
-        run: docker compose exec -T backend bash /app/tests-start.sh
+        run: docker compose exec -T backend bash /app/tests-start.sh "Coverage for ${{ github.sha }}"
       - name: Docker Compose cleanup
         run: docker compose down -v --remove-orphans
+      - name: Store coverage files
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-html
+          path: backend/htmlcov
+
+  # https://github.com/marketplace/actions/alls-green#why
+  alls-green:  # This job does nothing and is only used for the branch protection
+    if: always()
+    needs:
+      - test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Decide whether the needed jobs succeeded or failed
+        uses: re-actors/alls-green@release/v1
+        with:
+          jobs: ${{ toJSON(needs) }}