coveralls.yml

name: coveralls

on: push

jobs:
  test:
    name: Coveralls Upload
    runs-on: ubuntu-latest

    # setup

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

    - name: Set up Bun
      uses: oven-sh/setup-bun@v1
      with:
        bun-version: 1.1.26

    - name: Install dependencies
      run: bun install

    # Bun tests

    - name: Run JavaScript/TypeScript tests
      run: bun run test

    - name: Set up Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true

    # setup rust

    - name: Install Clippy
      run: rustup component add clippy

    - name: Install llvm-tools-preview
      run: rustup component add llvm-tools-preview

    - name: Install grcov
      run: |
        sudo apt-get install lcov
        cargo install grcov

    - name: Build Rust project
      run: cargo build
      shell: bash
    
    # Rust tests

    - name: Run Rust tests with coverage
      run: |
        export CARGO_INCREMENTAL=0
        export RUSTFLAGS='-Cinstrument-coverage'
        export LLVM_PROFILE_FILE='cargo-test-%p-%m.profraw'
        cargo test
        grcov . --binary-path ./target/debug/ -s . -t lcov --branch --ignore-not-existing --ignore "/*/.cargo/*" --ignore "/*/target/*" -o ./coverage/rust-lcov.info
      shell: bash

    # Merge LCOV reports 

    - name: Merge Bun and Rust LCOV reports
      run: |
        mkdir -p coverage
        if [ -f ./coverage/lcov.info ] && [ -f ./coverage/rust-lcov.info ]; then
          cat ./coverage/rust-lcov.info >> ./coverage/lcov.info
        elif [ -f ./coverage/rust-lcov.info ]; then
          mv ./coverage/rust-lcov.info ./coverage/lcov.info
        fi
    
    # upload to Coveralls

    - name: Upload coverage to Coveralls
      run: |
        if [ -f ./coverage/lcov.info ]; then
          bun run coveralls < ./coverage/lcov.info
        fi
      env:
        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}