ci.yml

name: CI

on:
  pull_request:
    branches: [main]

env:
  XCODE_VERSION: '26.2'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref }}
  cancel-in-progress: true

jobs:
  test:
    name: Unit Tests
    runs-on: macos-15
    steps:
      - uses: actions/checkout@v4

      - name: Select Xcode
        run: sudo xcode-select -s /Applications/Xcode_${{ env.XCODE_VERSION }}.app/Contents/Developer

      - name: Boot simulator
        run: |
          RUNTIME=$(xcrun simctl list runtimes iOS -j | python3 -c "import sys,json; runtimes=json.loads(sys.stdin.read())['runtimes']; print(runtimes[-1]['identifier']) if runtimes else sys.exit(1)")
          DEVICE_TYPE="com.apple.CoreSimulator.SimDeviceType.iPhone-16-Pro"
          UDID=$(xcrun simctl create "CI iPhone" "$DEVICE_TYPE" "$RUNTIME")
          xcrun simctl boot "$UDID"
          echo "SIM_UDID=$UDID" >> "$GITHUB_ENV"

      - name: Cache SPM packages
        uses: actions/cache@v4
        with:
          path: |
            ~/Library/Developer/Xcode/DerivedData/**/SourcePackages
            ~/Library/org.swift.swiftpm
          key: spm-${{ runner.os }}-${{ hashFiles('**/Package.resolved') }}
          restore-keys: spm-${{ runner.os }}-

      - name: Install xcbeautify
        run: brew install xcbeautify

      - name: Run tests
        run: |
          set -o pipefail
          xcodebuild test \
            -project Hemera.xcodeproj \
            -scheme Hemera \
            -destination "id=$SIM_UDID" \
            -only-testing:HemeraTests \
            -skip-testing:HemeraUITests \
            CODE_SIGN_IDENTITY="" \
            CODE_SIGNING_REQUIRED=NO \
            COMPILER_INDEX_STORE_ENABLE=NO \
            | xcbeautify --renderer github-actions

      - name: Test TileGridEngine
        run: swift test --package-path Packages/TileGridEngine