unit-tests.yml

name: Run unit tests

on:
  push:
    branches:
      - main

jobs:
  setup-matrix:
    runs-on: ubuntu-latest
    name: Get changed files
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v40
        with:
          json: true
          files: |
            .github/workflows/gen_matrix.py
            .github/workflows/unit-tests.yml
            */src/day*.hpp
            */src/test*.cpp
            */src/lib.h*
            */src/unit_test/*
            */Makefile

      # reference: https://stackoverflow.com/a/65094398
      - name: Setup matrix combinations
        id: setup-matrix-combinations
        run: python $GITHUB_WORKSPACE/.github/workflows/gen_matrix.py "test" "${{ steps.changed-files.outputs.all_changed_files }}" $GITHUB_OUTPUT

    outputs:
      matrix-combinations: ${{ steps.setup-matrix-combinations.outputs.matrix-combinations }}

  matrix-job:
    runs-on: ubuntu-latest
    needs: setup-matrix
    if: ${{ needs.setup-matrix.outputs.matrix-combinations != '{}' }}
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.setup-matrix.outputs.matrix-combinations) }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Install compiler
        run: |
          sudo apt-get -qq -y update
          if [[ ${{ matrix.compiler }} == clang++ ]]; then
            sudo apt-get -qq -y install clang
          else
            sudo apt-get -qq -y install g++
          fi

      - name: Build test
        run: |
          cd ${{ matrix.directory }}
          make CXX=${{ matrix.compiler }} DISABLE_BEAR=TRUE build/debug/${{ matrix.target }}

      - name: Run test
        run: |
          cd ${{ matrix.directory }}
          make CXX=${{ matrix.compiler }} DISABLE_BEAR=TRUE ${{ matrix.target }}