Adding Integration Test for Phone Number Authentication in Firebase

FirebaseAuth/Tests/SampleSwift/SwiftApiTests/PhoneAuthTest.swift

@@ -0,0 +1,56 @@
+//
+//  PhoneAuthTest.swift
+//  SwiftApiTests
+//
+//  Created by Srushti Vaidya on 12/08/24.
+//  Copyright © 2024 Firebase. All rights reserved.
+//
+
+import FirebaseAuth
+import Foundation
+import XCTest
+
+class PhoneAuthTests: TestsBase {
+  let kPhoneNumber = "+19999999999"
+  // This test verification code is specified for the given test phone number in the developer
+  // console.
+  let kVerificationCode = "777777"
+
+  func testSignInWithPhoneNumber() throws {
+    Auth.auth().settings?.isAppVerificationDisabledForTesting = true // toAdd
+    let auth = Auth.auth()
+    let expectation = self.expectation(description: "Sign in with phone number")
+
+    // PhoneAuthProvider used to initiate the Verification process and obtain a verificationID.
+    PhoneAuthProvider.provider()
+      .verifyPhoneNumber(kPhoneNumber, uiDelegate: nil) { verificationID, error in
+        if let error {
+          XCTAssertNil(error, "Verification error should be nil")
+          XCTAssertNotNil(verificationID, "Verification ID should not be nil")
+        }
+
+        // Create a credential using the test verification code.
+        let credential = PhoneAuthProvider.provider().credential(
+          withVerificationID: verificationID ?? "",
+          verificationCode: self.kVerificationCode
+        )
+        // signs in using the credential and verifies that the user is signed in correctly by
+        // checking auth.currentUser.
+        auth.signIn(with: credential) { authResult, error in
+          if let error {
+            XCTAssertNil(error, "Sign in error should be nil")
+            XCTAssertNotNil(authResult, "AuthResult should not be nil")
+            XCTAssertEqual(
+              auth.currentUser?.phoneNumber,
+              self.kPhoneNumber,
+              "Phone number does not match"
+            )
+          }
+          expectation.fulfill()
+        }
+      }
+
+    waitForExpectations(timeout: TestsBase.kExpectationsTimeout)
+    // deleteCurrentUser()
+  }
+}