cass/.github/workflows/coverage.yml at main · greenforestpath/cass · GitHub

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name: Coverage

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: "-D warnings"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  coverage:
    name: Test Coverage
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout repository
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4

      - name: Install Rust nightly
        uses: dtolnay/rust-toolchain@881ba7bf39a41cda34ac9e123fb41b44ed08232f # nightly
        with:
          components: llvm-tools-preview

      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@8db66d64862314dae6eb34821203eb85fcbc5055 # cargo-llvm-cov

      - name: Cache cargo registry
        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-coverage-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-coverage-
            ${{ runner.os }}-cargo-

      - name: Generate coverage report
        run: |
          cargo llvm-cov --workspace --lib -j 1 \
            --ignore-filename-regex "(tests/|benches/)" \
            --codecov \
            --output-path codecov.json

      - name: Upload to Codecov
        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4
        with:
          files: codecov.json
          fail_ci_if_error: false
          verbose: true
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

      - name: Generate coverage summary
        run: |
          cargo llvm-cov --workspace --lib -j 1 \
            --ignore-filename-regex "(tests/|benches/)" \
            --json \
            --output-path coverage.json

          # Extract coverage percentage
          COVERAGE=$(jq -r '.data[0].totals.lines.percent // 0' coverage.json)
          echo "## Test Coverage: ${COVERAGE}%" >> $GITHUB_STEP_SUMMARY

          # Add badge-style indicator
          if (( $(echo "$COVERAGE >= 80" | bc -l) )); then
            echo "Status: :white_check_mark: Meets 80% threshold" >> $GITHUB_STEP_SUMMARY
          elif (( $(echo "$COVERAGE >= 60" | bc -l) )); then
            echo "Status: :warning: Below 80% threshold" >> $GITHUB_STEP_SUMMARY
          else
            echo "Status: :x: Needs improvement" >> $GITHUB_STEP_SUMMARY
          fi

      - name: Check coverage threshold
        if: github.event_name == 'pull_request'
        run: |
          COVERAGE=$(jq -r '.data[0].totals.lines.percent // 0' coverage.json)
          THRESHOLD=60

          echo "Coverage: ${COVERAGE}%"
          echo "Threshold: ${THRESHOLD}%"

          if (( $(echo "$COVERAGE < $THRESHOLD" | bc -l) )); then
            echo "::error::Coverage ${COVERAGE}% is below ${THRESHOLD}% threshold"
            exit 1
          fi

      - name: Upload coverage artifacts
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: coverage-report
          path: |
            codecov.json
            coverage.json
          retention-days: 14