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23 lines
789 B
23 lines
789 B
import { renderHook } from '@testing-library/react-hooks';
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import { useUniqueId } from './useUniqueId';
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describe('useUniqueId', () => {
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it('should work correctly', () => {
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const { result: resultA, rerender: rerenderA } = renderHook(() => useUniqueId());
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const { result: resultB, rerender: rerenderB } = renderHook(() => useUniqueId());
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// the values of the separate hooks should be different
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expect(resultA.current).not.toBe(resultB.current);
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// we copy the current values after the first render
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const firstValueA = resultA.current;
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const firstValueB = resultB.current;
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rerenderA();
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rerenderB();
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// we check that the value did not change
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expect(resultA.current).toBe(firstValueA);
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expect(resultB.current).toBe(firstValueB);
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});
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});
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