Separate coverage job

.github/workflows/tests.yml

@@ -9,6 +9,40 @@ on:
   pull_request:
 
 jobs:
+  # Combine and upload coverage data
+  coverage:
+    if: success() || failure() # Does not run on cancelled workflows
+    runs-on: ubuntu-latest
+    needs:
+      - test-py3
+
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # 4.1.1
+      - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # 5.1.0
+        with:
+          python-version: "3.10"
+          architecture: x64
+
+      - name: Download Coverage Artifacts
+        uses: actions/download-artifact@c850b930e6ba138125429b7e5c93fc707a7f8427 # 4.1.4
+        with:
+          path: ./
+
+      - name: Combine Coverage
+        run: |
+          pip install coverage
+          find . -name ".coverage.*" -exec mv {} ./ \;
+          coverage combine
+          coverage xml
+
+      - name: Upload Coverage to Codecov
+        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed # 4.3.0
+        with:
+          files: coverage.xml
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+  # Tests
   test-py3:
     strategy:
       fail-fast: False
@@ -51,25 +85,13 @@ jobs:
       env:
         TOX_DISCOVER: "patch-for-windows-pypy3"
 
-    - name: Combine Coverage
-      shell: bash
-      run: |
-        if [[ "$RUNNER_OS" == "Linux" ]]; then
-          coverage combine ./.tox/*/.coverage.*
-        elif [[ "$RUNNER_OS" == "Windows" ]]; then
-          coverage combine .\\.tox\\*\\.coverage.*
-        else
-          exit 1
-        fi
-        coverage xml
-
-    - name: Upload Coverage to Codecov
-      uses: codecov/codecov-action@v1
+    - name: Upload Coverage Artifacts
+      uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # 4.3.1
       with:
-        files: coverage.xml
-        fail_ci_if_error: true
-        token: ${{ secrets.CODECOV_TOKEN }}
-    
+        name: coverage-${{ github.job }}-${{ strategy.job-index }}
+        path: ./**/.coverage.*
+        retention-days: 1
+
     - name: Lint
       run: tox -vv
       env: