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import { GlPagination } from '@gitlab/ui';
import { mount } from '@vue/test-utils';
import RunnerPagination from '~/runner/components/runner_pagination.vue';
const mockStartCursor = 'START_CURSOR';
const mockEndCursor = 'END_CURSOR';
describe('RunnerPagination', () => {
let wrapper;
const findPagination = () => wrapper.findComponent(GlPagination);
const createComponent = ({ page = 1, hasPreviousPage = false, hasNextPage = true } = {}) => {
wrapper = mount(RunnerPagination, {
propsData: {
value: {
page,
},
pageInfo: {
hasPreviousPage,
hasNextPage,
startCursor: mockStartCursor,
endCursor: mockEndCursor,
},
},
});
};
afterEach(() => {
wrapper.destroy();
});
describe('When on the first page', () => {
beforeEach(() => {
createComponent({
page: 1,
hasPreviousPage: false,
hasNextPage: true,
});
});
it('Contains the current page information', () => {
expect(findPagination().props('value')).toBe(1);
expect(findPagination().props('prevPage')).toBe(null);
expect(findPagination().props('nextPage')).toBe(2);
});
it('Shows prev page disabled', () => {
expect(findPagination().find('[aria-disabled]').text()).toBe('Prev');
});
it('Shows next page link', () => {
expect(findPagination().find('a').text()).toBe('Next');
});
it('Goes to the second page', () => {
findPagination().vm.$emit('input', 2);
expect(wrapper.emitted('input')[0]).toEqual([
{
after: mockEndCursor,
page: 2,
},
]);
});
});
describe('When in between pages', () => {
beforeEach(() => {
createComponent({
page: 2,
hasPreviousPage: true,
hasNextPage: true,
});
});
it('Contains the current page information', () => {
expect(findPagination().props('value')).toBe(2);
expect(findPagination().props('prevPage')).toBe(1);
expect(findPagination().props('nextPage')).toBe(3);
});
it('Shows the next and previous pages', () => {
const links = findPagination().findAll('a');
expect(links).toHaveLength(2);
expect(links.at(0).text()).toBe('Prev');
expect(links.at(1).text()).toBe('Next');
});
it('Goes to the last page', () => {
findPagination().vm.$emit('input', 3);
expect(wrapper.emitted('input')[0]).toEqual([
{
after: mockEndCursor,
page: 3,
},
]);
});
it('Goes to the first page', () => {
findPagination().vm.$emit('input', 1);
expect(wrapper.emitted('input')[0]).toEqual([
{
before: mockStartCursor,
page: 1,
},
]);
});
});
describe('When in the last page', () => {
beforeEach(() => {
createComponent({
page: 3,
hasPreviousPage: true,
hasNextPage: false,
});
});
it('Contains the current page', () => {
expect(findPagination().props('value')).toBe(3);
expect(findPagination().props('prevPage')).toBe(2);
expect(findPagination().props('nextPage')).toBe(null);
});
it('Shows next page link', () => {
expect(findPagination().find('a').text()).toBe('Prev');
});
it('Shows next page disabled', () => {
expect(findPagination().find('[aria-disabled]').text()).toBe('Next');
});
});
describe('When only one page', () => {
beforeEach(() => {
createComponent({
page: 1,
hasPreviousPage: false,
hasNextPage: false,
});
});
it('does not display pagination', () => {
expect(wrapper.html()).toBe('');
});
it('Contains the current page', () => {
expect(findPagination().props('value')).toBe(1);
});
it('Shows no more page buttons', () => {
expect(findPagination().props('prevPage')).toBe(null);
expect(findPagination().props('nextPage')).toBe(null);
});
});
});
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