name: Fast tests on main

on:
  push:
    branches:
      - main
    paths:
      - "src/diffusers/**.py"
      - "examples/**.py"
      - "tests/**.py"

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

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

jobs:
  run_fast_tests:
    strategy:
      fail-fast: false
      matrix:
        config:
          - name: Fast PyTorch CPU tests on Ubuntu
            framework: pytorch
            runner: aws-general-8-plus
            image: diffusers/diffusers-pytorch-cpu
            report: torch_cpu
          - name: PyTorch Example CPU tests on Ubuntu
            framework: pytorch_examples
            runner: aws-general-8-plus
            image: diffusers/diffusers-pytorch-cpu
            report: torch_example_cpu

    name: ${{ matrix.config.name }}

    runs-on:
      group: ${{ matrix.config.runner }}

    container:
      image: ${{ matrix.config.image }}
      options: --shm-size "16gb" --ipc host -v /mnt/hf_cache:/mnt/cache/

    defaults:
      run:
        shell: bash

    steps:
    - name: Checkout diffusers
      uses: actions/checkout@v3
      with:
        fetch-depth: 2

    - name: Install dependencies
      run: |
        uv pip install -e ".[quality]"

    - name: Environment
      run: |
        python utils/print_env.py

    - name: Run fast PyTorch CPU tests
      if: ${{ matrix.config.framework == 'pytorch' }}
      run: |
        pytest -n 4 --max-worker-restart=0 --dist=loadfile \
          -k "not Flax and not Onnx" \
          --make-reports=tests_${{ matrix.config.report }} \
          tests/

    - name: Run example PyTorch CPU tests
      if: ${{ matrix.config.framework == 'pytorch_examples' }}
      run: |
        uv pip install ".[training]"
        pytest -n 4 --max-worker-restart=0 --dist=loadfile \
          --make-reports=tests_${{ matrix.config.report }} \
          examples

    - name: Failure short reports
      if: ${{ failure() }}
      run: cat reports/tests_${{ matrix.config.report }}_failures_short.txt

    - name: Test suite reports artifacts
      if: ${{ always() }}
      uses: actions/upload-artifact@v4
      with:
        name: pr_${{ matrix.config.report }}_test_reports
        path: reports