diff --git a/__tests__/utils/idGenerator.test.ts b/__tests__/utils/idGenerator.test.ts
new file mode 100644
index 00000000..844a2cd5
--- /dev/null
+++ b/__tests__/utils/idGenerator.test.ts
@@ -0,0 +1,39 @@
+import { generateSecureUUID } from '../../src/utils/idGenerator'
+
+const mockedRandomUUID = jest.fn()
+const mockedGetRandomValues = jest.fn()
+
+describe('idGenerator', () => {
+	beforeEach(() => {
+		// Reset all mocks before each test
+		jest.clearAllMocks()
+
+		Object.defineProperty(globalThis, 'crypto', {
+			value: {
+				randomUUID: mockedRandomUUID,
+				getRandomValues: mockedGetRandomValues,
+			},
+		})
+	})
+
+	it('should create a uuid', () => {
+		const mockId = 'mocked-uuid1-uuid2-uuid3-uuid4'
+		mockedRandomUUID.mockReturnValue(mockId)
+
+		// creates uuid
+		const uuid = generateSecureUUID()
+
+		expect(mockedRandomUUID).toHaveBeenCalled()
+		expect(uuid).toEqual(mockId)
+	})
+
+	it('should create a uuid with getRandomValues when randomUUID is not available', () => {
+		globalThis.crypto.randomUUID = undefined as any
+		mockedGetRandomValues.mockImplementation(() => new Uint8Array())
+
+		generateSecureUUID()
+
+		expect(mockedRandomUUID).not.toHaveBeenCalled()
+		expect(mockedGetRandomValues).toHaveBeenCalled()
+	})
+})