name: Tests

on: [push, pull_request]

jobs:
  unit_tests:
    name: unit tests
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-22.04
            url: https://github.com/neovim/neovim/releases/download/nightly/nvim-linux64.tar.gz
    steps:
      - uses: actions/checkout@v3
      - id: todays-date
        run: echo date="$(date +%F)" >> $GITHUB_OUTPUT
        shell: bash
      - name: Restore cache for today's nightly.
        uses: actions/cache@v2
        with:
          path: _neovim
          key: ${{ runner.os }}-x64-${{ steps.todays-date.outputs.date }}

      - name: Prepare
        run: |
          mkdir -p ~/.local/share/nvim/site/pack/vendor/start
          git clone --depth 1 https://github.com/nvim-lua/plenary.nvim ~/.local/share/nvim/site/pack/vendor/start/plenary.nvim

          ln -s $(pwd) ~/.local/share/nvim/site/pack/vendor/start

          # sudo apt install go
          test -d _neovim || {
            mkdir -p _neovim
            curl -sL ${{ matrix.url }} | tar xzf - --strip-components=1 -C "${PWD}/_neovim"
          }

          echo "${PWD}/_neovim/bin" >> $GITHUB_PATH

      - name: Run tests
        run: |
          nvim --headless -u tests/minimal.vim -c "q"
          make test