91 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
import { GlPagination } from '@gitlab/ui';
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import { shallowMount } from '@vue/test-utils';
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import TablePagination from '~/vue_shared/components/pagination/table_pagination.vue';
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describe('Pagination component', () => {
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  let wrapper;
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  let spy;
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  const mountComponent = (props) => {
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    wrapper = shallowMount(TablePagination, {
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      propsData: props,
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    });
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  };
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  beforeEach(() => {
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    spy = jest.fn();
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  });
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  afterEach(() => {
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    wrapper.destroy();
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  });
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  describe('render', () => {
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    it('should not render anything', () => {
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      mountComponent({
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        pageInfo: {
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          nextPage: NaN,
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          page: 1,
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          perPage: 20,
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          previousPage: NaN,
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          total: 15,
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          totalPages: 1,
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        },
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        change: spy,
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      });
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      expect(wrapper.html()).toBe('');
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    });
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    it('renders if there is a next page', () => {
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      mountComponent({
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        pageInfo: {
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          nextPage: 2,
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          page: 1,
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          perPage: 20,
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          previousPage: NaN,
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          total: 15,
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          totalPages: 1,
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        },
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        change: spy,
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      });
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      expect(wrapper.findComponent(GlPagination).exists()).toBe(true);
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    });
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    it('renders if there is a prev page', () => {
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      mountComponent({
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        pageInfo: {
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          nextPage: NaN,
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          page: 2,
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          perPage: 20,
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          previousPage: 1,
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          total: 15,
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          totalPages: 1,
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        },
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        change: spy,
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      });
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      expect(wrapper.findComponent(GlPagination).exists()).toBe(true);
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    });
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  });
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  describe('events', () => {
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    it('calls change method when page changes', () => {
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      mountComponent({
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        pageInfo: {
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          nextPage: NaN,
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          page: 2,
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          perPage: 20,
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          previousPage: 1,
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          total: 15,
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          totalPages: 1,
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        },
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        change: spy,
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      });
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      wrapper.findComponent(GlPagination).vm.$emit('input', 3);
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      expect(spy).toHaveBeenCalledWith(3);
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    });
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  });
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});
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