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| 1 | +import React from 'react'; |
| 2 | +import {fireEvent, render} from '@testing-library/react-native'; |
| 3 | +import Slider from '../src/Slider'; |
| 4 | + |
| 5 | +describe('Slider', () => { |
| 6 | + it('Calls the given onValueChange when native event is emitted', () => { |
| 7 | + const onValueChange = jest.fn(); |
| 8 | + const {getByTestId} = render( |
| 9 | + <Slider testID="slider" onValueChange={onValueChange} />, |
| 10 | + ); |
| 11 | + const slider = getByTestId('slider'); |
| 12 | + fireEvent(slider, 'change', {nativeEvent: {value: 2}}); |
| 13 | + expect(onValueChange).toHaveBeenCalledWith(2); |
| 14 | + }); |
| 15 | + |
| 16 | + it('Handles provided events when sliding starts is emitted', () => { |
| 17 | + const onSlidingStart = jest.fn(); |
| 18 | + const {getByTestId} = render( |
| 19 | + <Slider testID="slider" onSlidingStart={onSlidingStart} />, |
| 20 | + ); |
| 21 | + const slider = getByTestId('slider'); |
| 22 | + |
| 23 | + fireEvent(slider, 'onRNCSliderSlidingStart', {nativeEvent: {value: 2}}); |
| 24 | + expect(onSlidingStart).toHaveBeenCalledWith(2); |
| 25 | + }); |
| 26 | + |
| 27 | + it('Handles provided events when sliding end is emitted', () => { |
| 28 | + const onSlidingComplete = jest.fn(); |
| 29 | + const {getByTestId} = render( |
| 30 | + <Slider testID="slider" onSlidingComplete={onSlidingComplete} />, |
| 31 | + ); |
| 32 | + const slider = getByTestId('slider'); |
| 33 | + |
| 34 | + fireEvent(slider, 'onRNCSliderSlidingComplete', {nativeEvent: {value: 2}}); |
| 35 | + expect(onSlidingComplete).toHaveBeenCalledWith(2); |
| 36 | + }); |
| 37 | + |
| 38 | + it('Calls the accessibility handler when accessibility action is triggered', () => { |
| 39 | + const mockedAccessibilityHandler = jest.fn(); |
| 40 | + const {getByTestId} = render( |
| 41 | + <Slider |
| 42 | + testID="slider" |
| 43 | + onAccessibilityAction={mockedAccessibilityHandler} |
| 44 | + />, |
| 45 | + ); |
| 46 | + const slider = getByTestId('slider'); |
| 47 | + |
| 48 | + fireEvent(slider, 'onRNCSliderAccessibilityAction', { |
| 49 | + actionName: 'mocked-action', |
| 50 | + }); |
| 51 | + expect(mockedAccessibilityHandler).toHaveBeenCalledWith({ |
| 52 | + actionName: 'mocked-action', |
| 53 | + }); |
| 54 | + }); |
| 55 | + |
| 56 | + it('Emitts a warning in the dev console if lower and upper limits are switched', () => { |
| 57 | + const mockedWarn = jest.fn(); |
| 58 | + console.warn = mockedWarn; |
| 59 | + render(<Slider testID="slider" lowerLimit={10} upperLimit={2} />); |
| 60 | + expect(mockedWarn).toHaveBeenCalled(); |
| 61 | + }); |
| 62 | + |
| 63 | + it('Provides the onLayout with the measured width', () => { |
| 64 | + const {getByTestId} = render(<Slider testID="slider" />); |
| 65 | + const slider = getByTestId('slider'); |
| 66 | + fireEvent(slider, 'onLayout', {nativeEvent: {layout: {width: 200}}}); |
| 67 | + expect(slider).toHaveStyle({width: 200}); |
| 68 | + }); |
| 69 | + |
| 70 | + it('Prevents the gesture control from being released externally', () => { |
| 71 | + const mockedRelease = jest.fn(); |
| 72 | + jest.mock('../src/index', () => ({ |
| 73 | + ...jest.requireActual('../src/index'), |
| 74 | + onResponderRelease: mockedRelease, |
| 75 | + })); |
| 76 | + const {getByTestId} = render(<Slider testID="slider" />); |
| 77 | + fireEvent(getByTestId('slider'), 'onResponderTerminationRequest'); |
| 78 | + expect(mockedRelease).not.toHaveBeenCalled(); |
| 79 | + }); |
| 80 | +}); |
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