# Workflow that builds libabvif with aom and libyuv, also builds MP4box,
# and runs tests with "golden" in their name. Test results are saved as artifacts
# which can be downloaded from GitHub'S UI or with 'gh run download'.

name: CI Linux Golden Tests
on: [push, pull_request]

permissions:
  contents: read

# Cancel the workflow if a new one is triggered from the same PR, branch, or tag, except on main.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  build-shared-run-golden-tests:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-24.04]
        include:
          - runs-on: ubuntu-24.04
            compiler: gcc
            gcc: 14

    steps:
    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
    - uses: ./.github/actions/setup-linux
      id: setup
      with:
        codec-aom: 'LOCAL'
        codec-dav1d: 'LOCAL'
        gcc-version: ${{ matrix.gcc }}
        libxml2: 'LOCAL'
        libyuv: 'LOCAL'
        recent-cmake: 'true'
    - name: Build mp4box
      if: steps.setup.outputs.ext-cache-hit != 'true'
      working-directory: ./ext
      run: bash -e mp4box.sh

    - name: Prepare libavif (cmake)
      run: >
        cmake -G Ninja -S . -B build
        -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF
        -DAVIF_CODEC_AOM=LOCAL -DAVIF_LIBYUV=LOCAL
        -DAVIF_BUILD_EXAMPLES=ON -DAVIF_BUILD_APPS=ON
        -DAVIF_ENABLE_EXPERIMENTAL_GAIN_MAP=ON
        -DAVIF_LIBXML2=LOCAL
        -DAVIF_BUILD_TESTS=ON -DAVIF_ENABLE_GOLDEN_TESTS=ON
        -DAVIF_ENABLE_GTEST=OFF -DAVIF_ENABLE_WERROR=ON
        -DGOLDEN_TESTS_OUTPUT_DIR=${{ runner.temp }}/golden_tests
    - name: Build libavif (ninja)
      working-directory: ./build
      run: ninja
    - name: Run AVIF golden tests
      working-directory: ./build
      # Runs test that have "golden" in their name.
      run: ctest -j $(getconf _NPROCESSORS_ONLN) --output-on-failure -R golden

    # See https://docs.github.com/en/actions/using-workflows/storing-workflow-data-as-artifacts
    - name: Archive golden tests output for debugging
      if: failure()
      uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
      with:
        name: golden-tests-output
        path: ${{ runner.temp }}/golden_tests/**/*

    # Print instructions to help fix the tests.
    - name: How to fix failing tests
      if: failure()
      run: >
        echo "If the tests fail, download the test results from the Artifacts list at https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }} or with:
          gh run download --dir /tmp/golden-tests-output-${{ github.run_id }} --repo ${{ github.repository }} --name golden-tests-output ${{ github.run_id }}
        Update all files with:
          cp /tmp/golden-tests-output-${{ github.run_id }}/*/*.xml ~/git/libavif/tests/data/goldens
        Or look at detailed instructions in the README.txt file in the test ouputs."