[Vertex AI] Add test app for integration tests (#13960)

.github/workflows/vertexai.yml

@@ -125,6 +125,37 @@ jobs:
         retry_wait_seconds: 120
         command: scripts/build.sh FirebaseVertexAIIntegration ${{ matrix.target }} spm
 
+  testapp-integration:
+    strategy:
+      matrix:
+        target: [iOS]
+        os: [macos-15]
+        include:
+          - os: macos-15
+            xcode: Xcode_16
+    runs-on: ${{ matrix.os }}
+    needs: spm-package-resolved
+    env:
+      TEST_RUNNER_FIRAAppCheckDebugToken: ${{ secrets.VERTEXAI_INTEGRATION_FAC_DEBUG_TOKEN }}
+      FIREBASECI_USE_LATEST_GOOGLEAPPMEASUREMENT: 1
+      secrets_passphrase: ${{ secrets.GHASecretsGPGPassphrase1 }}
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/cache/restore@v4
+      with:
+        path: .build
+        key: ${{needs.spm-package-resolved.outputs.cache_key}}
+    - name: Install Secret GoogleService-Info.plist
+      run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/VertexAI/TestApp-GoogleService-Info.plist.gpg \
+        FirebaseVertexAI/Tests/TestApp/Resources/GoogleService-Info.plist "$secrets_passphrase"
+    - name: Install Secret Credentials.swift
+      run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/VertexAI/TestApp-Credentials.swift.gpg \
+        FirebaseVertexAI/Tests/TestApp/Tests/Integration/Credentials.swift "$secrets_passphrase"
+    - name: Xcode
+      run: sudo xcode-select -s /Applications/${{ matrix.xcode }}.app/Contents/Developer
+    - name: Run IntegrationTests
+      run: scripts/build.sh VertexIntegration ${{ matrix.target }}
+
   pod-lib-lint:
     # Don't run on private repo unless it is a PR.
     if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'pull_request'

FirebaseVertexAI/Tests/TestApp/Resources/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

FirebaseVertexAI/Tests/TestApp/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,63 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

FirebaseVertexAI/Tests/TestApp/Resources/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

FirebaseVertexAI/Tests/TestApp/Resources/Preview Content/Preview Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

FirebaseVertexAI/Tests/TestApp/Resources/TestApp.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>

FirebaseVertexAI/Tests/TestApp/Sources/ContentView.swift

@@ -0,0 +1,31 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import SwiftUI
+
+struct ContentView: View {
+  var body: some View {
+    VStack {
+      Image(systemName: "globe")
+        .imageScale(.large)
+        .foregroundStyle(.tint)
+      Text("Hello, world!")
+    }
+    .padding()
+  }
+}
+
+#Preview {
+  ContentView()
+}

FirebaseVertexAI/Tests/TestApp/Sources/TestApp.swift

@@ -0,0 +1,31 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import FirebaseAppCheck
+import FirebaseCore
+import SwiftUI
+
+@main
+struct TestApp: App {
+  init() {
+    AppCheck.setAppCheckProviderFactory(AppCheckDebugProviderFactory())
+    FirebaseApp.configure()
+  }
+
+  var body: some Scene {
+    WindowGroup {
+      ContentView()
+    }
+  }
+}