name: Test Coverage

on:
  push:
  pull_request:

jobs:
  coverage:
    runs-on: ubuntu-latest
    steps:
      - name: Setup Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          components: llvm-tools-preview

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

      - uses: actions/checkout@v4

      - uses: actions/cache@v4
        with:
          key: coverage-${{ hashFiles('**/Cargo.lock') }}
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/

      - name: Run cargo-llvm-cov
        run: cargo llvm-cov --all-features --html

      - name: Upload Report
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: target/llvm-cov/html