test: sign in buttons are visible on auth picker

Author: russellwheatley

FirebaseSwiftUI/FirebaseFacebookSwiftUI/Sources/Views/SignInWithFacebookButton.swift

@@ -91,6 +91,7 @@ extension SignInWithFacebookButton: View {
       .background(Color.blue)
       .cornerRadius(8)
     }
+    .accessibilityIdentifier("sign-in-with-facebook-button")
     .alert(isPresented: $showCanceledAlert) {
       Alert(
         title: Text(authService.string.facebookLoginCancelledLabel),

FirebaseSwiftUI/FirebaseGoogleSwiftUI/Sources/Views/SignInWithGoogleButton.swift

@@ -42,6 +42,7 @@ extension SignInWithGoogleButton: View {
         try await authService.signIn(googleProvider)
       }
     }
+    .accessibilityIdentifier("sign-in-with-google-button")
   }
 }
 

FirebaseSwiftUI/FirebasePhoneAuthSwiftUI/Sources/Views/PhoneAuthButtonView.swift

@@ -38,6 +38,7 @@ extension PhoneAuthButtonView: View {
         .background(Color.green.opacity(0.8)) // Light green
         .cornerRadius(8)
     }
+    .accessibilityIdentifier("sign-in-with-phone-button")
   }
 }
 

FirebaseSwiftUI/FirebaseTwitterSwiftUI/Sources/Views/SignInWithTwitterButton.swift

@@ -48,5 +48,6 @@ extension SignInWithTwitterButton: View {
       .background(Color.black)
       .cornerRadius(8)
     }
+    .accessibilityIdentifier("sign-in-with-twitter-button")
   }
 }

samples/swiftui/FirebaseSwiftUIExample/FirebaseSwiftUIExampleUITests/FirebaseSwiftUIExampleUITests.swift

@@ -51,6 +51,40 @@ final class FirebaseSwiftUIExampleUITests: XCTestCase {
     }
   }
 
+  @MainActor
+  func testSignInButtonsExist() throws {
+    let app = XCUIApplication()
+    app.launch()
+    
+    // Check for Twitter/X sign-in button
+    let twitterButton = app.buttons["sign-in-with-twitter-button"]
+    XCTAssertTrue(
+      twitterButton.waitForExistence(timeout: 5),
+      "Twitter/X sign-in button should exist"
+    )
+    
+    // Check for Google sign-in button
+    let googleButton = app.buttons["sign-in-with-google-button"]
+    XCTAssertTrue(
+      googleButton.waitForExistence(timeout: 5),
+      "Google sign-in button should exist"
+    )
+    
+    // Check for Facebook sign-in button
+    let facebookButton = app.buttons["sign-in-with-facebook-button"]
+    XCTAssertTrue(
+      facebookButton.waitForExistence(timeout: 5),
+      "Facebook sign-in button should exist"
+    )
+    
+    // Check for Phone sign-in button
+    let phoneButton = app.buttons["sign-in-with-phone-button"]
+    XCTAssertTrue(
+      phoneButton.waitForExistence(timeout: 5),
+      "Phone sign-in button should exist"
+    )
+  }
+
   @MainActor
   func testSignInDisplaysSignedInView() throws {
     let app = XCUIApplication()