Added tests

src/setup/askForTalawaApiUrl/setupTalawaWebSocketUrl.test.ts

@@ -0,0 +1,38 @@
+import fs from 'fs';
+import inquirer from 'inquirer';
+import { askForTalawaApiUrl } from './askForTalawaApiUrl';
+
+jest.mock('fs');
+jest.mock('inquirer', () => ({
+  prompt: jest.fn(),
+}));
+
+describe('WebSocket URL Configuration', () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+  });
+
+  test('should convert http URL to ws WebSocket URL', async () => {
+    const endpoint = 'http://example.com/graphql';
+    const websocketUrl = endpoint.replace(/^http(s)?:\/\//, 'ws$1://');
+
+    expect(websocketUrl).toBe('ws://example.com/graphql');
+  });
+
+  test('should convert https URL to wss WebSocket URL', async () => {
+    const endpoint = 'https://example.com/graphql';
+    const websocketUrl = endpoint.replace(/^http(s)?:\/\//, 'ws$1://');
+
+    expect(websocketUrl).toBe('wss://example.com/graphql');
+  });
+
+  test('should retain default WebSocket URL if no new endpoint is provided', async () => {
+    jest
+      .spyOn(inquirer, 'prompt')
+      .mockResolvedValueOnce({ endpoint: 'http://localhost:4000/graphql/' });
+    await askForTalawaApiUrl();
+
+    const writeFileSyncSpy = jest.spyOn(fs, 'writeFileSync');
+    expect(writeFileSyncSpy).not.toHaveBeenCalled();
+  });
+});