name: test

on:
  push:
  pull_request:

permissions:
  contents: read

jobs:
  ruby-versions:
    uses: ruby/actions/.github/workflows/ruby_versions.yml@master
    with:
      engine: cruby
      min_version: 2.5

  test:
    needs: ruby-versions
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - run: flex --help
      - run: bundle install
      - run: bundle exec rspec
  test-windows:
    runs-on: windows-2022
    strategy:
      fail-fast: false
      matrix:
        ruby: ['head']
    defaults:
      run:
        shell: msys2 {0}
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - uses: msys2/setup-msys2@v2
        id: setup-msys2
        with:
          update: true
          install: >-
            flex
      - run: flex --help
      - run: bundle install
      - run: bundle exec rspec
  test-memory:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        ruby: ['head']
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - run: |
          sudo apt-get update -q
          sudo apt-get install --no-install-recommends -q -y valgrind
      - run: valgrind --version
      - run: bundle install
      - run: bundle exec rspec spec/lrama/integration_spec.rb
        env:
          ENABEL_VALGRIND: 'true'
  check-misc:
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        ruby: ['head']
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - run: bundle install

      # Copy from https://github.com/ruby/ruby/blob/cb9a47f2acd6e373ef868b890a9d07da6f565dd4/.github/workflows/check_misc.yml#L31
      - name: Check if C-sources are US-ASCII
        run: |
          grep -r -n --include='*.[chyS]' --include='*.asm' $'[^\t-~]' -- . && exit 1 || :

      # Copy from https://github.com/ruby/ruby/blob/089227e94823542acfdafa68541d330eee42ffea/.github/workflows/check_misc.yml#L27
      - name: Check for trailing spaces
        run: |
          git grep -I -n '[	 ]$' -- '*.rb' '*.[chy]' '*.rs' ':!spec/' && exit 1 || :
          git grep -n '^[	 ][	 ]*$' -- '*.md' && exit 1 || :

      - name: Check for parser.rb is up to date
        run: |
          bundle exec rake build:parser
          git diff --color --no-ext-diff --ignore-submodules --exit-code lib/lrama/parser.rb
  steep-check:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        ruby: ['head']
    env:
      INSTALL_STEEP: 'true'
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - run: bundle install
      - run: bundle exec rbs collection install
      - run: bundle exec steep check
  test-ruby:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        # '3.0' is the oldest living ruby version
        # '2.7' is for BASERUBY
        baseruby: ['head', '3.0', '2.7']
        ruby_branch: ['master']
    defaults:
      run:
        working-directory: ../ruby/build
    steps:
      - uses: actions/checkout@v4
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.baseruby }}
          bundler-cache: true
      - run: git clone --depth=1 https://github.com/ruby/ruby.git -b ${{ matrix.ruby_branch }} ../ruby
        working-directory: .
      - run: mkdir -p tool/lrama
        working-directory: ../ruby
      - name: Copy Lrama to ruby/tool
        run: cp -r LEGAL.md NEWS.md MIT exe lib template ../ruby/tool/lrama
        working-directory: .
      - run: tree tool/lrama
        working-directory: ../ruby
      # See also https://github.com/ruby/ruby/blob/master/.github/workflows/ubuntu.yml
      - run: mkdir build
        working-directory: ../ruby
      - name: Set ENV
        run: |
          echo "GNUMAKEFLAGS=-j$((1 + $(nproc --all)))" >> $GITHUB_ENV
      - name: Install libraries
        run: |
          set -x
          arch=${arch:+:${arch/i[3-6]86/i386}}
          ${arch:+sudo dpkg --add-architecture ${arch#:}}
          sudo apt-get update -q || :
          sudo apt-get install --no-install-recommends -q -y \
          ${arch:+cross}build-essential${arch/:/-} \
          libssl-dev${arch} libyaml-dev${arch} libreadline6-dev${arch} \
          zlib1g-dev${arch} libncurses5-dev${arch} libffi-dev${arch} \
          autoconf
          sudo apt-get install -q -y pkg-config${arch} || :
      - run: sudo apt-get --purge remove bison
      - run: ../autogen.sh
      - run: ../configure -C --disable-install-doc
      - run: make
      - run: make test-all