xcodebuild.yml

name: Xcode

on:
  workflow_call:
    inputs:
      target_platform:
        description: "Target platform - can be iOS, tvOS"
        required: true
        type: string
      scheme: 
        description: "Scheme to build and test"
        required: true
        type: string
env:
  RUN_TESTS: true

jobs:
  xcodebuild:
    name: ${{ inputs.target_platform }} Xcode ${{ matrix.config.xcode }} [${{ matrix.build_config }}]
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: true
      matrix:
        config: # newer versions at top
          - { os: "macos-15", xcode: "16.0" }
          - { os: "macos-14", xcode: "15.4" }
        build_config:
          - Debug
          - Release
    steps:
      - uses: actions/checkout@v4

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

      - name: Select Xcode ${{ matrix.config.xcode }}
        run: sudo xcode-select -s /Applications/Xcode_${{ matrix.config.xcode }}.app

      - name: Prepare
        run: |
          TARGET_TYPES=$(swift package describe --type json | jq '.targets[].type')
          HAS_TESTS=$(echo $TARGET_TYPES | grep -q "test" && echo true || echo false)
          echo "Package has tests: $HAS_TESTS"
          echo "RUN_TESTS=$HAS_TESTS" >> $GITHUB_ENV

      - name: Build ${{ inputs.scheme }} [${{ matrix.build_config }}] for Any ${{ inputs.target_platform }} Device
        run: |
          xcodebuild build -scheme "${{ inputs.scheme }}" -configuration ${{ matrix.build_config }} -destination "generic/platform=${{ inputs.target_platform }},name=Any ${{ inputs.target_platform }} Device"

      - name: Find ${{ inputs.target_platform }} Simulator
        run: |
          SIM=$(xcrun simctl list devices '${{ inputs.target_platform }}' -j | jq -rc '[ .[] | .[] | .[] | select( .isAvailable == true ) ] | first')
          SIMULATOR_NAME=$(echo $SIM | jq -r '.name')
          SIMULATOR_UDID=$(echo $SIM | jq -r '.udid')
          if [ "$SIMULATOR_UDID" == "" ] || [ "$SIMULATOR_UDID" == "null" ]; then
            echo "No available simulator found for ${{ inputs.target_platform }}"
            xcrun simctl list devices
            exit 99
          fi
          echo "Found simulator: $SIMULATOR_NAME $SIMULATOR_UDID"
          echo "SIMULATOR_NAME=$SIMULATOR_NAME" >> $GITHUB_ENV
          echo "SIMULATOR_UDID=$SIMULATOR_UDID" >> $GITHUB_ENV

      - name: Build ${{ inputs.scheme }} [${{ matrix.build_config }}] for testing on ${{ inputs.target_platform }} Simulator
        run:
          | # https://developer.apple.com/documentation/xcode/build-settings-reference#Enable-Testability
          xcodebuild build-for-testing -scheme "${{ inputs.scheme }}" -configuration ${{ matrix.build_config }} -destination "platform=${{ inputs.target_platform }} Simulator,OS=latest,id=$SIMULATOR_UDID" ENABLE_TESTABILITY=YES

      - name: Test ${{ inputs.scheme }} [${{ matrix.build_config }}] on ${{ inputs.target_platform }} Simulator
        if: env.RUN_TESTS == 'true'
        run: |
          set -o pipefail && env NSUnbufferedIO=YES xcodebuild test-without-building -scheme "${{ inputs.scheme }}" -configuration ${{ matrix.build_config }} -destination "platform=${{ inputs.target_platform }} Simulator,OS=latest,id=$SIMULATOR_UDID"

      - name: Upload failure artifacts
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: ${{ runner.os }}-${{ github.job }}-swift_${{ matrix.config.xcode }}-${{ inputs.target_platform }}-${{ matrix.build_config }}-${{ github.run_id }}
          path: |
            ~/Library/Developer/Xcode/DerivedData/
          if-no-files-found: warn
          include-hidden-files: true