name: crdt_sync_dart tests

on:
  push:
    branches: [main]
    paths: ['crdt_sync_dart/**']
  pull_request:
    branches: [main]
    paths: ['crdt_sync_dart/**']

jobs:
  test:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: crdt_sync_dart

    steps:
      - uses: actions/checkout@v4

      # Pure Dart, no Flutter dependency -- so setup-dart, not flutter-action.
      - name: Set up Dart
        uses: dart-lang/setup-dart@v1
        with:
          sdk: stable

      - name: Install dependencies
        run: dart pub get

      - name: Analyze
        run: dart analyze --fatal-infos

      - name: Run tests with coverage
        run: dart test --coverage=coverage

      # Unlike `flutter test --coverage`, `dart test --coverage` emits raw VM
      # JSON and no lcov. Skipping this step leaves a stale lcov.info on disk
      # that the gate below happily "passes" -- which is exactly how this
      # package drifted to 96% while believing it was at 100%.
      - name: Convert coverage to lcov
        run: |
          dart pub global activate coverage
          dart pub global run coverage:format_coverage \
            --lcov --in=coverage/test --out=coverage/lcov.info \
            --report-on=lib --packages=.dart_tool/package_config.json

      - name: Enforce 100% line coverage
        run: scripts/check_coverage.sh coverage/lcov.info 100