name: Fast tests for PRs

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - ci-*

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

env:
  DIFFUSERS_IS_CI: yes
  OMP_NUM_THREADS: 4
  MKL_NUM_THREADS: 4
  PYTEST_TIMEOUT: 60

jobs:
  run_fast_tests:
    strategy:
      fail-fast: false
      matrix:
        config:
          - name: Fast PyTorch Pipeline CPU tests
            framework: pytorch_pipelines
            runner: docker-cpu
            image: diffusers/diffusers-pytorch-cpu
            report: torch_cpu_pipelines
          - name: Fast PyTorch Models & Schedulers CPU tests
            framework: pytorch_models
            runner: docker-cpu
            image: diffusers/diffusers-pytorch-cpu
            report: torch_cpu_models_schedulers
          - name: Fast Flax CPU tests
            framework: flax
            runner: docker-cpu
            image: diffusers/diffusers-flax-cpu
            report: flax_cpu
          - name: PyTorch Example CPU tests
            framework: pytorch_examples
            runner: docker-cpu
            image: diffusers/diffusers-pytorch-cpu
            report: torch_example_cpu

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

    runs-on: ${{ 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: |
        apt-get update && apt-get install libsndfile1-dev libgl1 -y
        python -m pip install -e .[quality,test]

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

    - name: Run fast PyTorch Pipeline CPU tests
      if: ${{ matrix.config.framework == 'pytorch_pipelines' }}
      run: |
        python -m pytest -n 2 --max-worker-restart=0 --dist=loadfile \
          -s -v -k "not Flax and not Onnx" \
          --make-reports=tests_${{ matrix.config.report }} \
          tests/pipelines

    - name: Run fast PyTorch Model Scheduler CPU tests
      if: ${{ matrix.config.framework == 'pytorch_models' }}
      run: |
        python -m pytest -n 2 --max-worker-restart=0 --dist=loadfile \
          -s -v -k "not Flax and not Onnx and not Dependency" \
          --make-reports=tests_${{ matrix.config.report }} \
          tests/models tests/schedulers tests/others

    - name: Run fast Flax TPU tests
      if: ${{ matrix.config.framework == 'flax' }}
      run: |
        python -m pytest -n 2 --max-worker-restart=0 --dist=loadfile \
          -s -v -k "Flax" \
          --make-reports=tests_${{ matrix.config.report }} \
          tests

    - name: Run example PyTorch CPU tests
      if: ${{ matrix.config.framework == 'pytorch_examples' }}
      run: |
        python -m pytest -n 2 --max-worker-restart=0 --dist=loadfile \
          --make-reports=tests_${{ matrix.config.report }} \
          examples/test_examples.py 

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

    - name: Test suite reports artifacts
      if: ${{ always() }}
      uses: actions/upload-artifact@v2
      with:
        name: pr_${{ matrix.config.report }}_test_reports
        path: reports