[Vertex AI] Prepare podspec for a CocoaPods release

FirebaseVertexAI.podspec

@@ -0,0 +1,67 @@
+Pod::Spec.new do |s|
+  s.name             = 'FirebaseVertexAI'
+  s.version          = '11.2.0-beta'
+  s.summary          = 'Vertex AI in Firebase - Public Preview'
+
+  s.description      = <<-DESC
+[Public Preview] Build AI-powered apps and features with the Gemini API using
+the Vertex AI in Firebase SDK.
+                       DESC
+
+  s.homepage         = 'https://firebase.google.com'
+  s.license          = { :type => 'Apache-2.0', :file => 'LICENSE' }
+  s.authors          = 'Google, Inc.'
+
+  s.source           = {
+    :git => 'https://github.com/firebase/firebase-ios-sdk.git',
+    :tag => 'CocoaPods-' + s.version.to_s
+  }
+
+  s.social_media_url = 'https://twitter.com/Firebase'
+
+  ios_deployment_target = '15.0'
+  osx_deployment_target = '11.0'
+  tvos_deployment_target = '15.0'
+  watchos_deployment_target = '8.0'
+
+  s.ios.deployment_target = ios_deployment_target
+  s.osx.deployment_target = osx_deployment_target
+  s.tvos.deployment_target = tvos_deployment_target
+  s.watchos.deployment_target = watchos_deployment_target
+
+  s.cocoapods_version = '>= 1.12.0'
+  s.prefix_header_file = false
+
+  s.source_files = [
+    'FirebaseVertexAI/Sources/**/*.swift',
+  ]
+
+  s.swift_version = '5.9'
+
+  s.framework = 'Foundation'
+  s.ios.framework = 'UIKit'
+  s.osx.framework = 'AppKit'
+  s.tvos.framework = 'UIKit'
+  s.watchos.framework = 'WatchKit'
+
+  s.dependency 'FirebaseAppCheckInterop', '~> 11.2'
+  s.dependency 'FirebaseAuthInterop', '~> 11.2'
+  s.dependency 'FirebaseCore', '~> 11.2'
+  s.dependency 'FirebaseCoreExtension', '~> 11.2'
+
+  s.test_spec 'unit' do |unit_tests|
+    unit_tests_dir = 'FirebaseVertexAI/Tests/Unit/'
+    unit_tests.scheme = { :code_coverage => true }
+    unit_tests.platforms = {
+      :ios => ios_deployment_target,
+      :osx => osx_deployment_target,
+      :tvos => tvos_deployment_target
+    }
+    unit_tests.source_files = [
+      unit_tests_dir + '**/*.swift',
+    ]
+    unit_tests.resources = [
+      unit_tests_dir + 'vertexai-sdk-test-data/mock-responses/**/*.{txt,json}',
+    ]
+  end
+end

FirebaseVertexAI/Tests/Unit/ChatTests.swift

@@ -32,7 +32,12 @@ final class ChatTests: XCTestCase {
   }
 
   func testMergingText() async throws {
-    let fileURL = try XCTUnwrap(Bundle.module.url(
+    #if SWIFT_PACKAGE
+      let bundle = Bundle.module
+    #else // SWIFT_PACKAGE
+      let bundle = Bundle(for: Self.self)
+    #endif // SWIFT_PACKAGE
+    let fileURL = try XCTUnwrap(bundle.url(
       forResource: "streaming-success-basic-reply-parts",
       withExtension: "txt"
     ))

FirebaseVertexAI/Tests/Unit/GenerativeModelTests.swift

@@ -1278,7 +1278,12 @@ final class GenerativeModelTests: XCTestCase {
     #if os(watchOS)
       throw XCTSkip("Custom URL protocols are unsupported in watchOS 2 and later.")
     #endif // os(watchOS)
-    let fileURL = try XCTUnwrap(Bundle.module.url(forResource: name, withExtension: ext))
+    #if SWIFT_PACKAGE
+      let bundle = Bundle.module
+    #else // SWIFT_PACKAGE
+      let bundle = Bundle(for: Self.self)
+    #endif // SWIFT_PACKAGE
+    let fileURL = try XCTUnwrap(bundle.url(forResource: name, withExtension: ext))
     return { request in
       let requestURL = try XCTUnwrap(request.url)
       XCTAssertEqual(requestURL.path.occurrenceCount(of: "models/"), 1)

FirebaseVertexAI/Tests/Unit/VertexComponentTests.swift

@@ -14,9 +14,10 @@
 
 import FirebaseCore
 import Foundation
-import SharedTestUtilities
 import XCTest
 
+@_implementationOnly import FirebaseCoreExtension
+
 @testable import FirebaseVertexAI
 
 @available(iOS 15.0, macOS 11.0, macCatalyst 15.0, tvOS 15.0, watchOS 8.0, *)

Package.swift

@@ -1305,7 +1305,7 @@ let package = Package(
     ),
     .testTarget(
       name: "FirebaseVertexAIUnit",
-      dependencies: ["FirebaseVertexAI", "SharedTestUtilities"],
+      dependencies: ["FirebaseVertexAI"],
       path: "FirebaseVertexAI/Tests/Unit",
       resources: [
         .process("vertexai-sdk-test-data/mock-responses"),