SMALDA/.github/workflows/coverage.yml at main · CodeGirlsInc/SMALDA · GitHub

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name: Coverage

on:
  pull_request:
    branches: ["**"]
  push:
    branches: [main]

jobs:
  rust-coverage:
    name: Rust coverage (cargo-llvm-cov)
    runs-on: ubuntu-latest
    permissions:
      contents: read

    defaults:
      run:
        working-directory: contract

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: llvm-tools-preview

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

      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-llvm-cov

      - name: Generate lcov
        run: |
          cargo llvm-cov --workspace --lcov --output-path coverage.lcov \
            --ignore-filename-regex 'tests/'

      - name: Generate coverage.json
        run: |
          cargo llvm-cov --workspace --json --output-path coverage.json \
            --ignore-filename-regex 'tests/'

      - name: Print per-module summary
        run: |
          python3 - <<'PY'
          import json
          data = json.load(open("coverage.json")).get("data", [])
          rows = []
          for entry in data:
              path = entry.get("path") or ""
              if not path:
                  continue
              if path.startswith("./"):
                  path = path[2:]
              summary = entry.get("summary", {}).get("lines", {})
              count = summary.get("count", 0)
              covered = summary.get("covered", 0)
              pct = (100.0 * covered / count) if count else None
              rows.append((path, covered, count, pct))
          rows.sort()
          width = max((len(r[0]) for r in rows), default=10)
          print(f"{'module':<{width}}  covered/total   percent")
          for path, cov, cnt, pct in rows:
              pct_s = "n/a" if pct is None else f"{pct:6.2f}%"
              print(f"{path:<{width}}  {cov:>7}/{cnt:<7} {pct_s}")
          PY

      - name: Enforce per-module floor
        run: |
          python3 contract/scripts/check_coverage.py \
            contract/coverage.json \
            contract/coverage-thresholds.json
        continue-on-error: true

      - name: Upload lcov artifact
        uses: actions/upload-artifact@v4
        with:
          name: coverage-lcov
          path: contract/coverage.lcov
          if-no-files-found: warn
          retention-days: 14

      - name: Upload coverage.json artifact
        uses: actions/upload-artifact@v4
        with:
          name: coverage-json
          path: contract/coverage.json
          if-no-files-found: warn
          retention-days: 14