feat: enhance Jest environment and tests with DPoP key handling methods

Author: subhankarmaiti

jest.environment.js

@@ -1,5 +1,6 @@
 import JSDOMEnvironment from 'jest-environment-jsdom';
 import fetch, { Headers, Request, Response } from 'node-fetch';
+import { TextEncoder, TextDecoder } from 'util';
 
 /**
  * Custom Jest Environment based on JSDOMEnvironment to support TextEncoder and TextDecoder.
@@ -18,6 +19,8 @@ export default class CustomJSDOMEnvironment extends JSDOMEnvironment {
     this.global.Headers = Headers;
     this.global.Request = Request;
     this.global.Response = Response;
+    this.global.TextEncoder = TextEncoder;
+    this.global.TextDecoder = TextDecoder;
   }
 }
 

src/platforms/native/adapters/__tests__/NativeAuth0Client.spec.ts

@@ -34,7 +34,9 @@ describe('NativeAuth0Client', () => {
       saveCredentials: jest.fn().mockResolvedValue(undefined),
       hasValidCredentials: jest.fn().mockResolvedValue(true),
       clearCredentials: jest.fn().mockResolvedValue(undefined),
+      clearDPoPKey: jest.fn().mockResolvedValue(undefined),
       resumeWebAuth: jest.fn().mockResolvedValue(undefined),
+      getDPoPHeaders: jest.fn().mockResolvedValue({} as any),
     };
 
     // Set up the mock implementation with a proper prototype
@@ -107,7 +109,8 @@ describe('NativeAuth0Client', () => {
     expect(mockBridgeInstance.initialize).toHaveBeenCalledWith(
       options.clientId,
       options.domain,
-      undefined // No local auth options provided in this test
+      undefined, // No local auth options provided in this test
+      true // useDPoP defaults to true
     );
 
     // Use client to avoid unused variable warning
@@ -127,7 +130,8 @@ describe('NativeAuth0Client', () => {
     expect(mockBridgeInstance.initialize).toHaveBeenCalledWith(
       options.clientId,
       options.domain,
-      localAuthOptions
+      localAuthOptions,
+      true // useDPoP defaults to true
     );
 
     // Use client to avoid unused variable warning

src/platforms/native/adapters/__tests__/NativeCredentialsManager.spec.ts

@@ -8,6 +8,7 @@ const mockBridge: jest.Mocked<INativeBridge> = {
   getCredentials: jest.fn(),
   hasValidCredentials: jest.fn(),
   clearCredentials: jest.fn(),
+  clearDPoPKey: jest.fn(),
   // Add stubs for other INativeBridge methods to satisfy the type.
   initialize: jest.fn(),
   hasValidInstance: jest.fn(),
@@ -16,6 +17,7 @@ const mockBridge: jest.Mocked<INativeBridge> = {
   clearSession: jest.fn(),
   cancelWebAuth: jest.fn(),
   resumeWebAuth: jest.fn(),
+  getDPoPHeaders: jest.fn(),
 };
 
 describe('NativeCredentialsManager', () => {