.github/workflows/test_metal.yaml

name: "Build and test (Metal)"
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

jobs:
  test:
    name: Build and test (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: macos-15-xlarge
            xcode: "/Applications/Xcode_16.2.app"
          - os: macos-26-xlarge
            xcode: "/Applications/Xcode_26.0.app"
    steps:
      - name: "Select Xcode"
        run: sudo xcrun xcode-select -s ${{ matrix.xcode }}
      - name: "Install Metal Toolchain"
        if: matrix.os == 'macos-26-xlarge'
        run: xcodebuild -downloadComponent metalToolchain
      - uses: actions/checkout@v6
      - uses: cachix/install-nix-action@v31
        with:
          extra_nix_config: |
            sandbox = relaxed
      - uses: cachix/cachix-action@v16
        with:
          name: huggingface

      - name: Build kernel
        run: nix build .#redistributable.torch29-metal-aarch64-darwin -L
      - name: Test kernel
        run: nix develop .#test --command pytest tests/ -v