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18 lines
789 B
TypeScript
18 lines
789 B
TypeScript
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import React from 'react';
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import { render } from '../../../tests/utils';
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import useSize from '../hooks/useSize';
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describe('useSize', () => {
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it('useSize', () => {
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const Demo: React.FC<{ size?: any }> = ({ size }) => <div>{useSize(size)}</div>;
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const { container, rerender } = render(<Demo />);
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expect(container.querySelector<HTMLDivElement>('div')?.textContent).toBe('');
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rerender(<Demo size="test-size1" />);
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expect(container.querySelector<HTMLDivElement>('div')?.textContent).toBe('test-size1');
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rerender(<Demo size={() => 'test-size2'} />);
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expect(container.querySelector<HTMLDivElement>('div')?.textContent).toBe('test-size2');
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rerender(<Demo size={1} />);
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expect(container.querySelector<HTMLDivElement>('div')?.textContent).toBe('');
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});
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});
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