Python: add better test coverage to individual tests, and all-tests task, gh … (#400)

* add better test coverage to individual tests, and all-tests task, gh action to surface

* remove cache location

* test version-file

* updated uv setup for consistency

* mypy fix

* update naming

* temporarily removed mypy from workflow

.github/workflows/python-test-coverage.yml

@@ -0,0 +1,49 @@
+name: Python - Test Coverage
+
+on:
+  pull_request:
+    branches: ["main", "feature*"]
+    paths:
+      - "python/packages/**"
+      - "python/tests/unit/**"
+env:
+  # Configure a constant location for the uv cache
+  UV_CACHE_DIR: /tmp/.uv-cache
+
+jobs:
+  python-tests-coverage:
+    runs-on: ubuntu-latest
+    continue-on-error: false
+    defaults:
+      run:
+        working-directory: python
+    env:
+      UV_PYTHON: "3.10"
+    steps:
+      - uses: actions/checkout@v4
+      # Save the PR number to a file since the workflow_run event
+      # in the coverage report workflow does not have access to it
+      - name: Save PR number
+        run: |
+          echo ${{ github.event.number }} > ./pr_number
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          version-file: "python/pyproject.toml"
+          enable-cache: true
+          cache-suffix: ${{ runner.os }}-${{ env.UV_PYTHON }}
+          cache-dependency-glob: "**/uv.lock"
+      - name: Install the project
+        run: uv sync --all-extras --dev
+      - name: Run all tests with coverage report
+        run: uv run poe all-tests --cov-report=xml:python-coverage.xml -q --junitxml=pytest.xml
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v4
+        with:
+          path: |
+            python/python-coverage.xml
+            python/pytest.xml
+            python/pr_number
+          overwrite: true
+          retention-days: 1
+          if-no-files-found: error