Extend GHA workflow to run test app

Author: kraenhansen

.github/workflows/check.yml

@@ -1,5 +1,9 @@
 name: Check
 
+env:
+  # Version here should match the one in React Native template and packages/cmake-rn/src/cli.ts
+  NDK_VERSION: 27.1.12297006
+
 on:
   push:
     branches:
@@ -25,8 +29,29 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        runner: [ubuntu-latest, windows-latest, macos-latest]
-    name: Test (${{ matrix.runner }})
+        runner:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+        variant:
+          - unit-tests
+          - android-tests
+          - ios-tests
+        exclude:
+          # iOS tests are only supported on macOS runners
+          - runner: ubuntu-latest
+            variant: ios-tests
+          - runner: windows-latest
+            variant: ios-tests
+          # The reactivecircus/android-emulator-runner action does not support Windows runners
+          # See https://github.com/marketplace/actions/android-emulator-runner#github-action---android-emulator-runner
+          - runner: windows-latest
+            variant: android-tests
+          # MacOS is slow and expensive at running Android emulators
+          - runner: macos-latest
+            variant: android-tests
+
+    name: Test (${{ matrix.variant }} on ${{ matrix.runner }})
     runs-on: ${{ matrix.runner }}
     steps:
       - uses: actions/checkout@v4
@@ -40,9 +65,69 @@ jobs:
           distribution: "temurin"
       - name: Setup Android SDK
         uses: android-actions/setup-android@v3
-        # Version here should match the one in React Native template and packages/cmake-rn/src/cli.ts
-      - run: sdkmanager --install "ndk;27.1.12297006"
+        with:
+          packages: tools platform-tools ndk;${{ env.NDK_VERSION }}
       - run: rustup target add x86_64-linux-android aarch64-linux-android aarch64-apple-ios-sim
       - run: npm ci
       - run: npm run bootstrap
-      - run: npm test
+      # Unit tests
+      - if: matrix.variant == 'unit-tests'
+        name: Run tests (Unit)
+        run: npm test
+      # Integration tests (iOS)
+      - if: matrix.variant == 'ios-tests'
+        run: npm run pod-install
+        working-directory: apps/test-app
+      - if: matrix.variant == 'ios-tests'
+        name: Run tests (iOS)
+        run: npm run test:ios
+        working-directory: apps/test-app
+      # Integration tests (Android)
+      - name: Clone patched Hermes version
+        if: matrix.variant == 'android-tests'
+        shell: bash
+        run:
+          REACT_NATIVE_OVERRIDE_HERMES_DIR=`npx react-native-node-api vendor-hermes --silent`
+          echo "Cloned custom Hermes into $REACT_NATIVE_OVERRIDE_HERMES_DIR"
+          echo "REACT_NATIVE_OVERRIDE_HERMES_DIR=$REACT_NATIVE_OVERRIDE_HERMES_DIR" >> $GITHUB_ENV
+        working-directory: apps/test-app
+      - name: Setup Android Emulator cache
+        if: matrix.variant == 'android-tests'
+        uses: actions/cache@v4
+        id: avd-cache
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: ${{ runner.os }}-avd-29
+      # See https://github.com/marketplace/actions/android-emulator-runner#running-hardware-accelerated-emulators-on-linux-runners
+      - name: Enable KVM group perms
+        if: matrix.runner == 'ubuntu-latest' && matrix.variant == 'android-tests'
+        run: |
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+      - name: Build weak-node-api for all architectures
+        if: matrix.variant == 'android-tests'
+        run: npm run build-weak-node-api -- --android
+        working-directory: packages/host
+      - name: Run tests (Android)
+        if: matrix.variant == 'android-tests'
+        timeout-minutes: 75
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: 29
+          force-avd-creation: false
+          emulator-options: -no-snapshot-save -no-metrics -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          arch: ${{ runner.os == 'macOS' && 'arm64-v8a' || 'x86' }}
+          ndk: ${{ env.NDK_VERSION }}
+          cmake: 3.22.1
+          working-directory: apps/test-app
+          script: |
+            # Setup port forwarding to Mocha Remote
+            adb reverse tcp:8090 tcp:8090
+            # Uninstall the app if already in the snapshot (unlikely but could result in a signature mismatch failure)
+            adb uninstall com.microsoft.reacttestapp || true
+            # Build, install and run the app
+            npm run test:android