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