# 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@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - uses: ./.github/actions/setup-linux
        id: setup
        with:
          codec-aom: "LOCAL"
          codec-dav1d: "LOCAL"
          gcc-version: ${{ matrix.gcc }}
          libxml2: "LOCAL"
          libyuv: "LOCAL"
      - 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@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
        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."