|
| 1 | +import { fireEvent, render } from '@testing-library/react-native'; |
| 2 | +import * as React from 'react'; |
| 3 | + |
| 4 | +import { DoubleDigitInput } from './DoubleDigitInput'; |
| 5 | + |
| 6 | +describe('DoubleDigitInput', () => { |
| 7 | + it('should handle input', () => { |
| 8 | + let value = '00'; |
| 9 | + const handleChange = (text: string): void => { |
| 10 | + value = text; |
| 11 | + }; |
| 12 | + const { getByDisplayValue, rerender } = render( |
| 13 | + <DoubleDigitInput onChangeText={handleChange} value={value} /> |
| 14 | + ); |
| 15 | + |
| 16 | + expect(getByDisplayValue('00')).toBeTruthy(); |
| 17 | + |
| 18 | + fireEvent.changeText(getByDisplayValue('00'), '1'); |
| 19 | + rerender(<DoubleDigitInput onChangeText={handleChange} value={value} />); |
| 20 | + fireEvent.changeText(getByDisplayValue('1'), '12'); |
| 21 | + rerender(<DoubleDigitInput onChangeText={handleChange} value={value} />); |
| 22 | + |
| 23 | + expect(getByDisplayValue('12')).toBeTruthy(); |
| 24 | + }); |
| 25 | + |
| 26 | + it('should be readonly', () => { |
| 27 | + const handleChange = jest.fn(); |
| 28 | + const { getByDisplayValue } = render( |
| 29 | + <DoubleDigitInput |
| 30 | + onChangeText={handleChange} |
| 31 | + value="00" |
| 32 | + editable={false} |
| 33 | + /> |
| 34 | + ); |
| 35 | + fireEvent.changeText(getByDisplayValue('00'), '1'); |
| 36 | + expect(handleChange).toHaveBeenCalledTimes(0); |
| 37 | + }); |
| 38 | + |
| 39 | + it('should handle invalid input', () => { |
| 40 | + let value = '00'; |
| 41 | + const handleChange = (text: string): void => { |
| 42 | + value = text; |
| 43 | + }; |
| 44 | + const { getByDisplayValue, queryByDisplayValue } = render( |
| 45 | + <DoubleDigitInput onChangeText={handleChange} value={value} /> |
| 46 | + ); |
| 47 | + |
| 48 | + expect(getByDisplayValue('00')).toBeTruthy(); |
| 49 | + |
| 50 | + fireEvent.changeText(getByDisplayValue('00'), 'e'); |
| 51 | + |
| 52 | + expect(queryByDisplayValue('e')).toBeFalsy(); |
| 53 | + }); |
| 54 | +}); |
0 commit comments