name: Rust tests
on: [push, pull_request]

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable

      - name: Run cargo tests (auto-detect)
        shell: bash
        run: |
          set -euxo pipefail

          # If there's a workspace at the repo root, test the whole thing.
          if [ -f Cargo.toml ] && grep -q '^\[workspace\]' Cargo.toml; then
            cargo test --workspace --all-features --verbose
            exit 0
          fi

          # Otherwise, find all Cargo.toml files and test each crate.
          mapfile -t MANIFESTS < <(git ls-files '**/Cargo.toml')

          if [ ${#MANIFESTS[@]} -eq 0 ]; then
            echo "No Cargo.toml found; skipping Rust tests."
            exit 0
          fi

          for m in "${MANIFESTS[@]}"; do
            echo "=== Testing $m ==="
            cargo test --verbose --manifest-path "$m"
          done