rust.yml

name: Rust

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

env:
  CARGO_TERM_COLOR: always

jobs:
  check:
    name: Check & Lint
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
      with:
        components: rustfmt, clippy
    - uses: Swatinem/rust-cache@v2
    - name: Check formatting
      run: cargo fmt --check
    - name: Clippy
      run: cargo clippy -- -D warnings

  test:
    name: Test
    runs-on: ubuntu-latest
    needs: check
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
    - uses: Swatinem/rust-cache@v2
    - name: Build
      run: cargo build --verbose
    - name: Run tests
      run: cargo test --verbose

  coverage:
    name: Code Coverage
    runs-on: ubuntu-latest
    needs: test
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable
    - uses: Swatinem/rust-cache@v2
    - name: Install cargo-tarpaulin
      run: cargo install cargo-tarpaulin
    - name: Run coverage
      run: cargo tarpaulin --out xml --skip-clean -- --test-threads=1
    - name: Upload to Codecov
      uses: codecov/codecov-action@v4
      with:
        files: cobertura.xml
        fail_ci_if_error: true
    - name: Check coverage threshold
      run: |
        COVERAGE=$(cargo tarpaulin --skip-clean -- --test-threads=1 2>&1 | grep -oP '[\d.]+% coverage' | grep -oP '[\d.]+')
        echo "Coverage: ${COVERAGE}%"
        if [ "$(echo "$COVERAGE < 80" | bc)" -eq 1 ]; then
          echo "Coverage ${COVERAGE}% is below 80% threshold"
          exit 1
        fi