ci.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - main

jobs:
  rust:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Format
        run: cargo fmt --check

      - name: Test
        run: cargo test -q

      - name: Clippy
        run: cargo clippy --workspace --all-targets -- -D warnings

      - name: Demo job smoke test
        run: |
          mkdir -p demos
          cargo run -p rs_cam_cli -- job fixtures/demo_job.toml

  viz-regression:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Viz Harness
        run: cargo test -p rs_cam_viz controller::tests::

      - name: Compute Lanes
        run: cargo test -p rs_cam_viz compute::worker::tests::

  gcode-emulator-gate:
    # Phase 4a: pipe each shipped g-code dialect through an open-source
    # controller emulator's parser. Any non-zero validator exit blocks
    # merge. See planning/post_reference_notes.md "Validator install"
    # for build details.
    #
    # Currently gates `gvalidate` only. `rs274ngc` (LinuxCNC parser) is
    # not yet in the CI image — those tests skip in CI until Phase 4b
    # adds the build step (LinuxCNC has no Ubuntu noble apt package).
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2

      - name: Cache validator binaries
        uses: actions/cache@v4
        with:
          path: reference/validators
          key: validators-v1-${{ runner.os }}

      - name: Build gvalidate (grbl-sim)
        run: |
          if [ ! -x reference/validators/grbl/grbl/sim/gvalidate.exe ]; then
            mkdir -p reference/validators
            cd reference/validators
            git clone --depth 1 https://github.com/grbl/grbl-sim.git grbl
            cd grbl/grbl/sim
            make gvalidate
          fi

      - name: Run emulator-validation gate (gvalidate-only)
        env:
          CI_REQUIRE_VALIDATORS: gvalidate
        # --test-threads=1: rs274ngc has process-wide state that
        # corrupts under parallel exec; gvalidate is safe in parallel
        # but we standardise on serial execution so adding rs274ngc
        # later doesn't require workflow churn.
        run: cargo test -p rs_cam_core --test gcode_emulator_validation -- --ignored --test-threads=1 --nocapture