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Added code coverage workflow to test the code coverage from unit and e2e tests (#657)
* Added code coverage workflow to test the code coverage from unit and e2e tests * Added coverage from all unit and e2e tests * Removed coverage dependency * Enforced a minimum coverage percentage threshold of 85 percentage
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‎.github/workflows/coverage-check.yml‎

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name: Code Coverage
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permissions:
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contents: read
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on: [pull_request, workflow_dispatch]
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jobs:
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coverage:
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runs-on: ubuntu-latest
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environment: azure-prod
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env:
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DATABRICKS_SERVER_HOSTNAME: ${{ secrets.DATABRICKS_HOST }}
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DATABRICKS_HTTP_PATH: ${{ secrets.TEST_PECO_WAREHOUSE_HTTP_PATH }}
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DATABRICKS_TOKEN: ${{ secrets.DATABRICKS_TOKEN }}
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DATABRICKS_CATALOG: peco
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DATABRICKS_USER: ${{ secrets.TEST_PECO_SP_ID }}
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steps:
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#----------------------------------------------
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# check-out repo and set-up python
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#----------------------------------------------
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- name: Check out repository
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uses: actions/checkout@v4
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with:
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fetch-depth: 0 # Needed for coverage comparison
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ref: ${{ github.event.pull_request.head.ref || github.ref_name }}
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repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
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- name: Set up python
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id: setup-python
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uses: actions/setup-python@v5
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with:
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python-version: "3.10"
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#----------------------------------------------
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# ----- install & configure poetry -----
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#----------------------------------------------
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- name: Install Poetry
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uses: snok/install-poetry@v1
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with:
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virtualenvs-create: true
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virtualenvs-in-project: true
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installer-parallel: true
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#----------------------------------------------
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# load cached venv if cache exists
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#----------------------------------------------
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- name: Load cached venv
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id: cached-poetry-dependencies
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uses: actions/cache@v4
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with:
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path: .venv
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key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ github.event.repository.name }}-${{ hashFiles('**/poetry.lock') }}
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#----------------------------------------------
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# install dependencies if cache does not exist
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#----------------------------------------------
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- name: Install dependencies
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if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
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run: poetry install --no-interaction --no-root
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#----------------------------------------------
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# install your root project, if required
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#----------------------------------------------
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- name: Install library
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run: poetry install --no-interaction --all-extras
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#----------------------------------------------
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# run all tests
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#----------------------------------------------
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- name: Run tests with coverage
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continue-on-error: true
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run: |
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poetry run python -m pytest \
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tests/unit tests/e2e \
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--cov=src --cov-report=xml --cov-report=term -v
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#----------------------------------------------
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# check for coverage override
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#----------------------------------------------
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- name: Check for coverage override
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id: override
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run: |
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OVERRIDE_COMMENT=$(echo "${{ github.event.pull_request.body }}" | grep -E "SKIP_COVERAGE_CHECK\s*=" || echo "")
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if [ -n "$OVERRIDE_COMMENT" ]; then
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echo "override=true" >> $GITHUB_OUTPUT
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REASON=$(echo "$OVERRIDE_COMMENT" | sed -E 's/.*SKIP_COVERAGE_CHECK\s*=\s*(.+)/\1/')
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echo "reason=$REASON" >> $GITHUB_OUTPUT
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echo "Coverage override found in PR description: $REASON"
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else
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echo "override=false" >> $GITHUB_OUTPUT
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echo "No coverage override found"
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fi
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#----------------------------------------------
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# check coverage percentage
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#----------------------------------------------
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- name: Check coverage percentage
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if: steps.override.outputs.override == 'false'
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run: |
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COVERAGE_FILE="coverage.xml"
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if [ ! -f "$COVERAGE_FILE" ]; then
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echo "ERROR: Coverage file not found at $COVERAGE_FILE"
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exit 1
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fi
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# Install xmllint if not available
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if ! command -v xmllint &> /dev/null; then
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sudo apt-get update && sudo apt-get install -y libxml2-utils
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fi
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COVERED=$(xmllint --xpath "string(//coverage/@lines-covered)" "$COVERAGE_FILE")
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TOTAL=$(xmllint --xpath "string(//coverage/@lines-valid)" "$COVERAGE_FILE")
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PERCENTAGE=$(python3 -c "covered=${COVERED}; total=${TOTAL}; print(round((covered/total)*100, 2))")
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echo "Branch Coverage: $PERCENTAGE%"
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echo "Required Coverage: 85%"
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# Use Python to compare the coverage with 85
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python3 -c "import sys; sys.exit(0 if float('$PERCENTAGE') >= 85 else 1)"
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if [ $? -eq 1 ]; then
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echo "ERROR: Coverage is $PERCENTAGE%, which is less than the required 85%"
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exit 1
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else
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echo "SUCCESS: Coverage is $PERCENTAGE%, which meets the required 85%"
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fi
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#----------------------------------------------
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# coverage enforcement summary
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#----------------------------------------------
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- name: Coverage enforcement summary
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run: |
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if [ "${{ steps.override.outputs.override }}" == "true" ]; then
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echo "⚠️ Coverage checks bypassed: ${{ steps.override.outputs.reason }}"
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echo "Please ensure this override is justified and temporary"
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else
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echo "✅ Coverage checks enforced - minimum 85% required"
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fi

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