ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:

# Cancel superseded runs on the same ref to save CI minutes.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    name: Test (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      # Run every OS even if one fails — we want to see Windows/macOS results regardless.
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm

      - name: Install dependencies
        run: npm ci

      # Fast feedback first: type-check, lint, and the vitest suite (unit + the
      # FakeTestController mapping integration test). `npm test` is vitest only. These run on every
      # OS because path handling and shell quoting are OS-sensitive.
      - name: Type-check
        run: npm run check-types

      - name: Lint
        run: npm run lint

      - name: Unit tests (vitest)
        run: npm test

      # Headless VS Code (@vscode/test-electron) needs an X server + Electron runtime libs on
      # Linux; Windows and macOS runners can launch it directly.
      - name: Install headless VS Code runtime deps (Linux)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y xvfb libnss3 libatk-bridge2.0-0 libgtk-3-0 libgbm1
          # libasound was renamed to libasound2t64 on Ubuntu 24.04; try both, don't fail the run.
          sudo apt-get install -y libasound2t64 || sudo apt-get install -y libasound2 || true

      - name: Integration tests (Linux, headless via xvfb)
        if: runner.os == 'Linux'
        run: xvfb-run -a npm run test:integration

      - name: Integration tests (Windows / macOS)
        if: runner.os != 'Linux'
        run: npm run test:integration