Adds coverage [extended]

.github/workflows/test.yml

@@ -103,20 +103,17 @@ jobs:
         with:
           path: downloaded_artifacts
 
-      - name: Clean up temporary artifacts
-        uses: geekyeggo/delete-artifact@f275313e70c08f6120db482d7a6b98377786765b # v5.1.0
-        with:
-          name: coverage-*
-
       - name: Install dependencies
         run: pip install coverage
 
       - name: Combine coverage.py
         run: |
+          cp -r downloaded_artifacts all_coverage
           coverage combine $(find downloaded_artifacts/ -type f | xargs)
           coverage xml
           coverage html
           coverage report --format=markdown >> $GITHUB_STEP_SUMMARY
+          cp -r all_coverage htmlcov/all_coverage
           cp coverage.xml htmlcov/coverage.xml
           cp .coverage htmlcov/.coverage
 
@@ -130,6 +127,11 @@ jobs:
           # Retention days for main branch is 90 days, for other branches is 1 day
           retention-days: ${{ github.ref == 'refs/heads/master' && 90 || 1 }}
 
+      - name: Clean up temporary artifacts
+        uses: geekyeggo/delete-artifact@f275313e70c08f6120db482d7a6b98377786765b # v5.1.0
+        with:
+          name: coverage-*
+
   release:
       needs: [test, coverage]
       name: PyPI

tests/conftest.py

@@ -0,0 +1,19 @@
+import platform
+import pytest
+import sys
+
+
+@pytest.fixture(autouse=True)
+def cov(cov, request):
+    """
+    Tags each test with the current OS + Python version.
+    This allows to see the coverage in greater detail.
+    """
+    if not cov:
+        return
+
+    sys_context = f"{platform.system()}-py{sys.version_info.major}.{ sys.version_info.minor}".lower()
+    test_name = request.node.nodeid
+    context = f"{test_name}_{sys_context}"
+    cov.switch_context(context)
+    return cov