add unit test

lib/hooks/useAddresses/useAddresses.test.js

@@ -0,0 +1,51 @@
+import { renderHook } from '@testing-library/react-hooks';
+import {
+  QueryClient,
+  QueryClientProvider,
+} from 'react-query';
+
+import { useOkapiKy } from '@folio/stripes/core';
+
+import { getAddresses } from '../../utils';
+import { useAddresses } from './useAddresses';
+
+jest.mock('../../utils', () => ({
+  getAddresses: jest.fn(),
+}));
+
+const queryClient = new QueryClient();
+const wrapper = ({ children }) => (
+  <QueryClientProvider client={queryClient}>
+    {children}
+  </QueryClientProvider>
+);
+
+describe('useAddresses', () => {
+  const mockGet = jest.fn();
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+
+    useOkapiKy.mockReturnValue({
+      get: mockGet,
+    });
+  });
+
+  it('should return addresses and totalRecords', async () => {
+    const configs = [{ value: 'address1' }, { value: 'address2' }];
+    const totalRecords = 2;
+
+    mockGet.mockReturnValue({
+      json: jest.fn().mockResolvedValue({ configs, totalRecords }),
+    });
+
+    getAddresses.mockReturnValue(['address1', 'address2']);
+
+    const { result, waitFor } = renderHook(() => useAddresses(), { wrapper });
+
+    await waitFor(() => !result.current.isLoading);
+
+    expect(result.current.addresses).toEqual(['address1', 'address2']);
+    expect(result.current.totalRecords).toBe(2);
+  });
+});