name: Fast mps tests on main

on:
  workflow_dispatch:

permissions:
  contents: read

env:
  DIFFUSERS_IS_CI: yes
  HF_HOME: /mnt/cache
  OMP_NUM_THREADS: 8
  MKL_NUM_THREADS: 8
  HF_XET_HIGH_PERFORMANCE: 1
  PYTEST_TIMEOUT: 600
  RUN_SLOW: no
  # Force tokenizers<0.23.0 across every `uv pip install` in this workflow,
  # even when transformers@main declares a higher lower-bound.
  UV_OVERRIDE: /tmp/uv-overrides.txt

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  run_fast_tests_apple_m1:
    name: Fast PyTorch MPS tests on MacOS
    runs-on: macos-13-xlarge

    steps:
    - name: Checkout diffusers
      uses: actions/checkout@v6
      with:
        fetch-depth: 2

    - name: Clean checkout
      shell: arch -arch arm64 bash {0}
      run: |
        git clean -fxd

    - name: Setup miniconda
      uses: ./.github/actions/setup-miniconda
      with:
        python-version: 3.9

    - name: Install dependencies
      shell: arch -arch arm64 bash {0}
      run: |
        echo 'tokenizers<0.23.0' > "$UV_OVERRIDE"
        ${CONDA_RUN} python -m pip install --upgrade pip uv
        ${CONDA_RUN} python -m uv pip install -e ".[quality]"
        ${CONDA_RUN} python -m uv pip install torch torchvision torchaudio
        ${CONDA_RUN} python -m uv pip install accelerate@git+https://github.com/huggingface/accelerate.git
        ${CONDA_RUN} python -m uv pip install transformers --upgrade

    - name: Environment
      shell: arch -arch arm64 bash {0}
      run: |
        ${CONDA_RUN} diffusers-cli env

    - name: Run fast PyTorch tests on M1 (MPS)
      shell: arch -arch arm64 bash {0}
      env:
        HF_HOME: /System/Volumes/Data/mnt/cache
        HF_TOKEN: ${{ secrets.HF_TOKEN }}
      run: |
        ${CONDA_RUN} python -m pytest -n 0 --make-reports=tests_torch_mps tests/

    - name: Failure short reports
      if: ${{ failure() }}
      run: cat reports/tests_torch_mps_failures_short.txt

    - name: Test suite reports artifacts
      if: ${{ always() }}
      uses: actions/upload-artifact@v6
      with:
        name: pr_torch_mps_test_reports
        path: reports
