20 lines
		
	
	
		
			624 B
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			624 B
		
	
	
	
		
			JavaScript
		
	
	
| import { mount } from '@vue/test-utils';
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| import BackTop from '..';
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| 
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| describe('BackTop', () => {
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|   it('should scroll to top after click it', async () => {
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|     const wrapper = mount(BackTop, {
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|       propsData: {
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|         visibilityHeight: -1,
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|       },
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|     });
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|     document.documentElement.scrollTop = 400;
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|     // trigger scroll manually
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|     wrapper.vm.handleScroll();
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|     await new Promise(resolve => setTimeout(resolve, 0));
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|     wrapper.find('.ant-back-top').trigger('click');
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|     await new Promise(resolve => setTimeout(resolve, 1000));
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|     expect(Math.abs(Math.round(document.documentElement.scrollTop))).toBe(0);
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|   });
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| });
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