test.yml

name: Test coverage

on:
  push:
    branches: [ "*" ]

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        toolchain:
          - stable
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
          components: llvm-tools-preview

      - name: Install Protoc
        run: sudo apt-get install -y protobuf-compiler

      - name: Activate cache
        uses: Swatinem/rust-cache@v2.7.5

      - name: Install grcov
        uses: taiki-e/install-action@v2
        with:
          tool: grcov

      - name: Build crate
        run: cargo build --verbose --all-targets
        env:
          RUSTFLAGS: "-Cinstrument-coverage"

      - name: Test crate
        run: cargo test --verbose
        env:
          LLVM_PROFILE_FILE: "target/coverage/prof/%p-%m.profraw"
          RUSTFLAGS: "-Cinstrument-coverage"

      - name: Create coverage report
        run: |
          grcov \
            --source-dir . \
            --binary-path target/debug \
            --branch \
            --excl-start 'mod tests \{' \
            --ignore 'tests/*' \
            -t lcov \
            -o lcov.info \
            target/coverage/prof

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v4
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
        with:
          files: lcov.info
          fail_ci_if_error: false