test.yml

name: Tests

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

permissions:
  contents: read

# Cancel in-progress runs for pull requests when developers push
# additional changes
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  # Unit/component tests run under LuaJIT with a mocked vim global (busted), so
  # they do not need a real Neovim binary — hence no neovim-version matrix here.
  # Real-Neovim coverage lives in the integration-tests job below.
  unit-tests:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          persist-credentials: false

      # Build deps: PUC Lua builds from source, and the test rocks compile C modules.
      - name: Install build dependencies
        run: |
          sudo apt-get -o Acquire::Retries=3 update
          sudo apt-get -o Acquire::Retries=3 install -y build-essential libreadline-dev unzip

      - name: Set up mise
        uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4.0.1

      # Cache the rock tree (rebuilt from luarocks.org otherwise); a miss just rebuilds.
      - name: Cache Lua test rocks
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        with:
          path: .luarocks
          key: luarocks-${{ runner.os }}-${{ hashFiles('mise.toml') }}

      - name: Install Lua test rocks
        run: mise run setup

      - name: Run luacheck
        run: mise run check

      - name: Run tests
        run: mise run test

      - name: Check formatting
        run: mise run format-check

      - name: Generate coverage report
        run: |
          if [ -f "luacov.stats.out" ]; then
            mise exec -- luacov

            echo "Creating lcov.info from luacov.report.out"
            {
              echo "TN:"
              grep -E "^Summary$" -A1000 luacov.report.out | grep -E "^[^ ].*:" | while read -r line; do
                file=$(echo "$line" | cut -d':' -f1)
                echo "SF:$file"
                percent=$(echo "$line" | grep -oE "[0-9\.]+%" | tr -d '%')
                if [ -n "$percent" ]; then
                  echo "DA:1,1"
                  echo "LF:1"
                  echo "LH:$percent"
                fi
                echo "end_of_record"
              done
            } > lcov.info

            {
              echo "## 📊 Test Coverage Report"
              echo ""

              if [ -f "luacov.report.out" ]; then
                overall_coverage=$(grep -E "Total.*%" luacov.report.out | grep -oE "[0-9]+\.[0-9]+%" | head -1)
                if [ -n "$overall_coverage" ]; then
                  echo "**Overall Coverage: $overall_coverage**"
                  echo ""
                fi

                echo "| File | Coverage |"
                echo "|------|----------|"

                grep -E "^[^ ].*:" luacov.report.out | while read -r line; do
                  file=$(echo "$line" | cut -d':' -f1)
                  percent=$(echo "$line" | grep -oE "[0-9]+\.[0-9]+%" | head -1)
                  if [ -n "$percent" ]; then
                    # Add emoji based on coverage level
                    percent_num="${percent%.*}"
                    if [ "$percent_num" -ge 90 ]; then
                      emoji="🟢"
                    elif [ "$percent_num" -ge 70 ]; then
                      emoji="🟡"
                    else
                      emoji="🔴"
                    fi
                    echo "| \`$file\` | $emoji $percent |"
                  fi
                done
              else
                echo "❌ No coverage report generated"
              fi
            } >> "$GITHUB_STEP_SUMMARY"
          else
            {
              echo "## 📊 Test Coverage Report"
              echo ""
              echo "❌ No coverage data found - tests may not have run with coverage enabled"
            } >> "$GITHUB_STEP_SUMMARY"
          fi

  integration-tests:
    runs-on: ubuntu-latest
    needs: unit-tests
    strategy:
      matrix:
        neovim-version: ["stable"]

    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          persist-credentials: false

      # Neovim here comes from action-setup-vim (matrix-driven), independent of
      # the mise.toml neovim pin used for local dev.
      - name: Setup Neovim
        uses: rhysd/action-setup-vim@8e931b9954b19d4203d5caa5ff5521f3bc21dcc7 # v1.4.2
        with:
          neovim: true
          version: ${{ matrix.neovim-version }}

      - name: Install test dependencies
        run: |
          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/claudecode.nvim

      - name: Run integration tests
        run: ./scripts/run_integration_tests_individually.sh