forked from mirrors/thatmattlove-hyperglass
35 lines
1 KiB
TypeScript
35 lines
1 KiB
TypeScript
import { useState } from 'react';
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import { render } from '@testing-library/react';
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import '@testing-library/jest-dom';
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import userEvent from '@testing-library/user-event';
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import { useBooleanValue } from './use-boolean-value';
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const VALUE_IF_TRUE = 'Is True';
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const VALUE_IF_FALSE = 'Is False';
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const TestComponent = (): JSX.Element => {
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const [state, setState] = useState<boolean>(false);
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const value = useBooleanValue(state, VALUE_IF_TRUE, VALUE_IF_FALSE);
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return (
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<div>
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<span>{value}</span>
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<button type="button" onClick={() => setState(p => !p)}>
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Toggle
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</button>
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</div>
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);
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};
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describe('useBooleanValue Hook', () => {
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it('text should reflect boolean state', () => {
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const { queryByText, getByRole } = render(<TestComponent />);
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expect(queryByText(VALUE_IF_FALSE)).toBeInTheDocument();
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userEvent.click(getByRole('button'));
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expect(queryByText(VALUE_IF_FALSE)).not.toBeInTheDocument();
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expect(queryByText(VALUE_IF_TRUE)).toBeInTheDocument();
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});
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});
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