fix: test (#3015)

packages/taquito-beacon-wallet/test/__mocks__/broadcast-channel.ts

@@ -0,0 +1,47 @@
+interface MessageListener {
+  (message: any): void;
+}
+
+class BroadcastChannel {
+  name: string;
+  listeners: MessageListener[];
+
+  constructor(name: string) {
+    this.name = name;
+    this.listeners = [];
+  }
+
+  postMessage(message: any) {
+    // Mock implementation of postMessage
+    this.listeners.forEach((listener) => listener(message));
+  }
+
+  addEventListener(event: string, listener: MessageListener) {
+    if (event === 'message') {
+      this.listeners.push(listener);
+    }
+  }
+
+  removeEventListener(event: string, listener: MessageListener) {
+    if (event === 'message') {
+      this.listeners = this.listeners.filter((l) => l !== listener);
+    }
+  }
+
+  close() {
+    // Mock implementation of close
+    this.listeners = [];
+  }
+}
+
+function createLeaderElection(_channel: BroadcastChannel) {
+  // Mock implementation of createLeaderElection
+  return {
+    awaitLeadership: jest.fn(),
+    hasLeader: jest.fn().mockReturnValue(true),
+    isLeader: jest.fn().mockReturnValue(true),
+    die: jest.fn(),
+  };
+}
+
+export { BroadcastChannel, createLeaderElection };

packages/taquito-beacon-wallet/test/taquito-beacon-wallet.spec.ts

@@ -10,6 +10,25 @@ global.localStorage = new LocalStorageMock();
 global.indexedDB = indexedDB;
 global.window = { addEventListener: jest.fn() } as any;
 
+jest.mock('@airgap/beacon-transport-postmessage', () => {
+  jest.useFakeTimers()
+  const originalModule = jest.requireActual('@airgap/beacon-transport-postmessage');
+  jest.runAllTimers()
+
+  return {
+    ...originalModule,
+    PostMessageTransport: jest.fn().mockImplementation(() => {
+      return {
+        connect: jest.fn(),
+        startOpenChannelListener: jest.fn(),
+        getPairingRequestInfo: jest.fn(),
+        listen: jest.fn(),
+      };
+    }),
+    getAvailableExtensions: jest.fn(),
+  };
+});
+
 describe('Beacon Wallet tests', () => {
   it('Verify that BeaconWallet is instantiable', () => {
     const wallet = new BeaconWallet({ name: 'testWallet' });