adding tests for generateRndKey (#2932)

changing jest.config.js
transform option  from -
transform: { '^.+\\.ts?$': 'ts-jest' },
to
  transform: {   '^.+\\.(js|jsx|ts|tsx)$': ['babel-jest', { presets: ['next/babel'] }], },

web/components/admin/config/server/StreamKeys.tsx

@@ -34,12 +34,11 @@ const saveKeys = async (keys, setError) => {
     setError(error);
   }
 };
-
+export const generateRndKey = () => {
-const generateRndKey = () => {
   let defaultKey = '';
   let isValidStreamKey = false;
-  const streamKeyRegex = /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[!@#$%^&*]).{8,192}$/;
+  const streamKeyRegex = /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[!@#$^&*]).{8,192}$/;
-  const s = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*';
+  const s = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$^&*';
 
   while (!isValidStreamKey) {
     const temp = Array.apply(20, Array(30))

web/jest.config.js

@@ -1,5 +1,5 @@
 module.exports = {
-  transform: { '^.+\\.ts?$': 'ts-jest' },
+  transform: {   '^.+\\.(js|jsx|ts|tsx)$': ['babel-jest', { presets: ['next/babel'] }], },
   testEnvironment: 'node',
   testRegex: '/tests/.*\\.(test|spec)?\\.(ts|tsx)$',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],

web/tests/streamkeys.test.ts

@@ -0,0 +1,26 @@
+import { generateRndKey } from '../components/admin/config/server/StreamKeys';
+describe('generateRndKey', () => {
+  test('should generate a key that matches the regular expression', () => {
+    const key = generateRndKey();
+    const regex = /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[!@#$^&*]).{8,192}$/;
+    expect(regex.test(key)).toBe(true);
+  });
+
+  test('returns a string', () => {
+    const result = generateRndKey();
+    expect(typeof result).toBe('string');
+  });
+
+
+  test('should generate a key of length between 8 and 192 characters', () => {
+    const key = generateRndKey();
+    expect(key.length).toBeGreaterThanOrEqual(8);
+    expect(key.length).toBeLessThanOrEqual(192);
+  });
+
+  test('should generate a unique key on each invocation', () => {
+    const key1 = generateRndKey();
+    const key2 = generateRndKey();
+    expect(key1).not.toBe(key2);
+  });
+});