ResInsight/.github/workflows/rhel8-unit-tests.yml

name: RHEL8 Unit Tests

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule:
    # Nightly at 2am UTC 
    - cron: "0 2 * * *"

concurrency:
  group: rhel8-unit-tests-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  # Resolves the prebuilt CI image name so it works in forks and upstream alike
  # (GHCR requires a lowercase repository path).
  resolve-image:
    runs-on: ubuntu-26.04
    outputs:
      image: ${{ steps.meta.outputs.image }}
    steps:
      - name: Compute image name
        id: meta
        run: echo "image=ghcr.io/${GITHUB_REPOSITORY,,}/ci-rhel8:latest" >> "$GITHUB_OUTPUT"

  rhel8-build-and-test:
    needs: resolve-image
    runs-on: ubuntu-26.04
    permissions:
      contents: read
      packages: read
    container:
      # Prebuilt image with toolchain, baked vcpkg binary cache, and a warm
      # ResInsight buildcache at /opt/buildcache.
      # See .github/workflows/build-rhel8-image.yml
      image: ${{ needs.resolve-image.outputs.image }}
      credentials:
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    # Source must live at /src to match the path the image's warmup compiled
    # at; buildcache hashes the absolute source path so any drift collapses
    # the hit rate. The clone step overrides this default since /src does not
    # exist yet at that point.
    defaults:
      run:
        working-directory: /src

    steps:
      - name: Clone source into /src
        working-directory: /
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        # actions/checkout writes inside GITHUB_WORKSPACE (e.g.
        # /__w/ResInsight/ResInsight) which would not match the image's baked
        # cache path. Clone manually into /src instead. GITHUB_SHA is fetched
        # directly (GitHub allows any-SHA fetches on the workflow's own repo).
        #
        # The insteadOf rewrite is unset after the clone so the token is not
        # left in /etc/gitconfig where a later `git config --list` for
        # diagnostics could echo it into the log.
        run: |
          git config --global --add safe.directory '*'
          git config --global url."https://x-access-token:${GH_TOKEN}@github.com/".insteadOf "https://github.com/"
          git clone --no-checkout "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git" /src
          cd /src
          git fetch --no-tags --depth 1 origin "${GITHUB_SHA}"
          git checkout FETCH_HEAD
          git submodule update --init --recursive --depth 1
          git config --global --unset url."https://x-access-token:${GH_TOKEN}@github.com/".insteadOf

      # /src was just freshly cloned, so the ThirdParty/vcpkg/vcpkg binary
      # produced by bootstrap-vcpkg.sh is not present. The image's baked
      # /opt/vcpkg-cache supplies prebuilt dependencies; the binary itself
      # still has to exist locally for `vcpkg install` to run.
      - name: Bootstrap vcpkg
        run: |
          source /opt/rh/gcc-toolset-14/enable
          cd ThirdParty/vcpkg
          ./bootstrap-vcpkg.sh

      - name: Configure CMake
        env:
          CC: /opt/rh/gcc-toolset-14/root/usr/bin/gcc
          CXX: /opt/rh/gcc-toolset-14/root/usr/bin/g++
          VCPKG_FEATURE_FLAGS: "binarycaching"
          # Read vcpkg dependencies from the binary cache baked into the image.
          # buildcache is auto-discovered on PATH by CMakeLists.txt's
          # find_program() and wired as CMAKE_CXX_COMPILER_LAUNCHER -- no
          # explicit setup step is needed. BUILDCACHE_DIR etc. are baked in
          # the image ENV. Unity build must be OFF to match the warmup build
          # (mismatched flag would collapse the cache hit rate).
          VCPKG_BINARY_SOURCES: "clear;files,/opt/vcpkg-cache,read"
        run: |
          source /opt/rh/gcc-toolset-14/enable
          cmake -S /src -B /src/cmakebuild -G Ninja \
            -DCMAKE_BUILD_TYPE=Release \
            -DRESINSIGHT_INCLUDE_APPLICATION_UNIT_TESTS=true \
            -DRESINSIGHT_ENABLE_UNITY_BUILD=false \
            -DRESINSIGHT_ENABLE_HDF5=false \
            -DRESINSIGHT_ENABLE_GRPC=false \
            -DRESINSIGHT_GCC_STDCPP_EXP_PATH=/opt/libstdcxx-exp/lib \
            -DRESINSIGHT_VCPKG_PROFILE=rhel8 \
            -DVCPKG_TARGET_TRIPLET=x64-linux-release \
            -DVCPKG_HOST_TRIPLET=x64-linux-release \
            -DCMAKE_TOOLCHAIN_FILE=ThirdParty/vcpkg/scripts/buildsystems/vcpkg.cmake

      - name: Build
        run: |
          source /opt/rh/gcc-toolset-14/enable
          cmake --build /src/cmakebuild --target ResInsight-tests -- -j$(nproc)

      - name: Buildcache stats
        if: always()
        run: buildcache -s

      - name: Run Unit Tests
        run: |
          source /opt/rh/gcc-toolset-14/enable
          /src/cmakebuild/ApplicationLibCode/UnitTests/ResInsight-tests