reusable_checks_cpp.yml

name: "C++ Tests on all platforms & compilers"

on:
  workflow_call:
    inputs:
      CONCURRENCY:
        required: true
        type: string
      FULL:
        # Booleans are almost unusable
        # See https://medium.com/@sohail.ra5/github-actions-passing-boolean-input-variables-to-reusable-workflow-call-42d39bf7342e
        type: string
        required: true
        default: "true"

  workflow_dispatch:
    inputs:
      CONCURRENCY:
        required: false
        type: string
        default: "adhoc"
      FULL:
        description: "If false only linux is tested"
        type: choice
        options:
          - "true"
          - "false"

concurrency:
  group: ${{ inputs.CONCURRENCY }}-checks_cpp
  cancel-in-progress: true

env:
  # See: https://github.com/marketplace/actions/sccache-action
  SCCACHE_GHA_ENABLED: "false"

permissions:
  contents: "read"
  id-token: "write"

jobs:
  matrix_prep:
    runs-on: ubuntu-latest
    outputs:
      MATRIX: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.ref || '' }}
      - name: Load C++ test matrix
        id: set-matrix
        shell: bash
        run: |
          echo "Full matrix: ${{ inputs.FULL }}"
          if ${{ inputs.FULL }}; then
            echo "matrix=$(jq -c . < ./.github/workflows/cpp_matrix_full.json)" >> $GITHUB_OUTPUT
          else
            echo "matrix=$(jq -c . < ./.github/workflows/cpp_matrix_partial.json)" >> $GITHUB_OUTPUT
          fi

  cpp-tests:
    name: C++ build & test - ${{ matrix.name }}
    needs: matrix_prep
    strategy:
      matrix: ${{ fromJson(needs.matrix_prep.outputs.MATRIX) }}
    runs-on: ${{ matrix.runs_on }}
    env:
      RUSTC_WRAPPER: "sccache"
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.ref || '' }}

      - uses: prefix-dev/setup-pixi@v0.4.1
        with:
          pixi-version: v0.13.0

      - name: Set up Rust
        uses: ./.github/actions/setup-rust
        with:
          cache_key: ${{ matrix.cache_key }}
          # Cache will be produced by `reusable_checks/rs-lints`
          save_cache: false
          workload_identity_provider: ${{ secrets.GOOGLE_WORKLOAD_IDENTITY_PROVIDER }}
          service_account: ${{ secrets.GOOGLE_SERVICE_ACCOUNT }}

      - name: Build and run C++ tests
        shell: bash
        run: |
          pixi run cpp-clean
          ${{ matrix.extra_env_vars }} RERUN_WERROR=ON pixi run cpp-build-all
          ${{ matrix.extra_env_vars }} RERUN_WERROR=ON pixi run cpp-test
          ${{ matrix.additional_commands }}

  cpp-formatting:
    name: C++ formatting check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.ref || '' }}

      - name: Run clang format on all relevant files
        uses: jidicula/clang-format-action@v4.11.0
        with:
          clang-format-version: "16"
          # Only check c/cpp/h/hpp (default checks also .proto and others)
          include-regex: ^.*\.(c|cpp|h|hpp)$