Implement testing workflow changes

.github/workflows/check-build-deploy.yaml

@@ -133,6 +133,8 @@ jobs:
     pytest:
         needs: [uv-check]
         runs-on: ubuntu-latest
+        permissions:
+            id-token: write
         env:
             UV_NO_SYNC: true
             UV_FROZEN: true
@@ -165,7 +167,19 @@ jobs:
                 key: pytest|${{steps.store-hashed-python-version.outputs.hashed_python_version}}
 
             - name: Run pytest
-              run: uv run -- pytest  # TODO: Add GitHub workflows output format
+              run: uv run pytest --cov --cov-branch --cov-report=xml --junitxml=junit.xml
+
+            - name: Upload test results to Codecov
+              if: ${{ !cancelled() }}
+              uses: codecov/test-results-action@v1
+              with:
+                use_oidc: true
+
+            - name: Upload coverage report to Codecov
+              uses: codecov/codecov-action@v5
+              if: ${{ !cancelled() }}
+              with:
+                use_oidc: true
 
     ruff-lint:
         runs-on: ubuntu-latest

pyproject.toml

@@ -21,7 +21,7 @@ main = [
     "validators>=0.34",
 ]
 pre-commit = ["pre-commit>=4.0"]
-test = ["pytest>=8.3"]
+test = ["pytest-cov>=6.1", "pytest>=8.3"]
 type-check = ["django-stubs[compatible-mypy]>=5.1", "mypy>=1.13", "types-beautifulsoup4>=4.12"]
 
 [project] # TODO: Remove [project] table once https://github.com/astral-sh/uv/issues/8582 is completed
@@ -207,6 +207,12 @@ parametrize-values-type = "tuple"
 keep-runtime-typing = true
 
 
+[tool.coverage.report]
+exclude_also = ["if TYPE_CHECKING:"]
+skip_covered = true
+sort = "cover"
+
+
 [tool.pymarkdown]
 extensions.front-matter.enabled = true
 mode.strict-config = true