File Content: useFlag.test.ts import { act, renderHook } from '@testing-library/react'; import { promQueryEditorExplainKey, useFlag } from './useFlag'; describe('useFlag Hook', () => { beforeEach(() => { window.localStorage.removeItem(promQueryEditorExplainKey); }); it('should return the default flag value as false', () => { const { result } = renderHook(() => useFlag(promQueryEditorExplainKey)); expect(result.current.flag).toBe(false); }); it('should update the flag value without error', () => { const { result } = renderHook(() => useFlag(promQueryEditorExplainKey, true)); expect(result.current.flag).toBe(true); act(() => { result.current.setFlag(false); }); expect(result.current.flag).toBe(false); }); }); Submit