ios.yml

name: iOS 

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

jobs:
  ios_test:
    name: Execute tests on iOS
    strategy:
      fail-fast: false
      matrix:
        os: [macos-15]
        xcode-version: ["26.3"]
        release: [2024]
        ios-version: ["18.5"]
        include:
          - ios-version: "18.5"
            ios-simulator-name: "iPhone 16 Pro"
    # Limit to self-hosted to reduce action cost
    runs-on:
      - self-hosted
      - ${{ matrix.os }}
    env:
      OPENSWIFTUI_WERROR: 0 # Disable it to avoid enable OAG's werror and hit conflicts
      OPENSWIFTUI_OPENATTRIBUTESHIMS_ATTRIBUTEGRAPH: 1
      OPENSWIFTUI_COMPATIBILITY_TEST: 0
      OPENSWIFTUI_SWIFT_LOG: 0
      OPENSWIFTUI_SWIFT_CRYPTO: 0
      OPENSWIFTUI_TARGET_RELEASE: ${{ matrix.release }}
      OPENSWIFTUI_SUPPORT_MULTI_PRODUCTS: 0
      OPENSWIFTUI_USE_LOCAL_DEPS: 1
      OPENSWIFTUI_LINK_TESTING: 1
      # Match Xcode's test launcher so OSLogStore can read current-process debug messages.
      OS_ACTIVITY_DT_MODE: "YES"
      GH_TOKEN: ${{ github.token }}
    steps:
      - uses: actions/checkout@v4
      - name: Setup Xcode
        uses: OpenSwiftUIProject/setup-xcode@v2
        with:
          xcode-version: ${{ matrix.xcode-version }}
      - name: Set up build environment
        run: Scripts/CI/darwin_setup_build.sh
        shell: bash
      - name: Install xcbeautify
        run: brew install xcbeautify
      - name: Prepare isolated DerivedData
        shell: bash
        run: |
          derived_data_path="${RUNNER_TEMP:-/tmp}/ios-derived-data-${GITHUB_RUN_ID}-${GITHUB_RUN_ATTEMPT:-0}-${{ matrix.ios-version }}-${{ matrix.release }}"
          rm -rf "$derived_data_path"
          mkdir -p "$derived_data_path"
          echo "DERIVED_DATA_PATH=$derived_data_path" >> "$GITHUB_ENV"
      - name: Build test target in debug mode
        run: |
          set -o pipefail
          # Xcode 26.3 + iOS 18.5 fails to launch arm64 SwiftPM package test
          # runners with CoreSimulator codesigning errors. Build the x86_64
          # simulator slice to match the test command below until that is fixed.
          NSUnbufferedIO=YES xcodebuild build \
            -scheme OpenSwiftUI \
            -configuration Debug \
            -destination "platform=iOS Simulator,OS=${{ matrix.ios-version }},name=${{ matrix.ios-simulator-name }},arch=x86_64" \
            -derivedDataPath "$DERIVED_DATA_PATH" \
            -skipMacroValidation \
            -skipPackagePluginValidation \
            ONLY_ACTIVE_ARCH=YES \
            2>&1 | xcbeautify --renderer github-actions --preserve-unbeautified
      - name: Run test target in debug mode
        run: |
          set -o pipefail
          # See the build step above: force x86_64 to avoid the arm64 package
          # test runner launch/codesigning failure on this Xcode/iOS pair.
          NSUnbufferedIO=YES xcodebuild test \
            -scheme OpenSwiftUI \
            -configuration Debug \
            -destination "platform=iOS Simulator,OS=${{ matrix.ios-version }},name=${{ matrix.ios-simulator-name }},arch=x86_64" \
            -derivedDataPath "$DERIVED_DATA_PATH" \
            -skipMacroValidation \
            -skipPackagePluginValidation \
            ONLY_ACTIVE_ARCH=YES \
            2>&1 | xcbeautify --renderer github-actions --preserve-unbeautified
      - name: Clean up isolated DerivedData
        if: always()
        shell: bash
        run: |
          if [[ -n "${DERIVED_DATA_PATH:-}" ]]; then
            rm -rf "$DERIVED_DATA_PATH"
          fi