Add code coverage check

Author: ssjunnebo

.github/workflows/test-code.yml

@@ -26,10 +26,14 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pytest
+        pip install pytest, pytest-cov
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Install dataflow_transfer
       run: pip install -e .
     - name: Test with pytest
       run: |
-        pytest
+        pytest --cov --cov-branch --cov-report=xml
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}

pyproject.toml

@@ -40,6 +40,7 @@ dependencies = [
 dev = [
     "ruff>=0.11.8",
     "pytest",
+    "pytest-cov",
 ]
 
 [project.scripts]

requirements-dev.txt

@@ -0,0 +1,4 @@
+-r requirements.txt
+ruff>=0.11.8
+pytest
+pytest-cov