import { QueryClient, QueryClientProvider } from '@tanstack/react-query' import { renderHook, waitFor } from '@testing-library/react' import type { ReactNode } from 'react' import { describe, expect, it } from 'vitest' import { useStock } from './useStock' function createWrapper() { const queryClient = new QueryClient({ defaultOptions: { queries: { retry: false } } }) return function Wrapper({ children }: { children: ReactNode }) { return {children} } } describe('useStock', () => { it('returns share data', async () => { const { result } = renderHook(() => useStock('SBER'), { wrapper: createWrapper() }) await waitFor(() => expect(result.current.isSuccess).toBe(true)) expect(result.current.data?.secid).toBe('SBER') expect(result.current.data?.shortName).toBe('Сбер') expect(result.current.data?.marketData.price).toBe(289.5) }) it('returns error for not found', async () => { const { result } = renderHook(() => useStock('NOTFOUND'), { wrapper: createWrapper() }) await waitFor(() => expect(result.current.isError).toBe(true)) }) it('starts in loading state', () => { const { result } = renderHook(() => useStock('SBER'), { wrapper: createWrapper() }) expect(result.current.isLoading).toBe(true) }) })