debian-mirror-gitlab/spec/frontend/releases/components/releases_pagination_graphql_spec.js
2020-11-24 15:15:51 +05:30

175 lines
4.5 KiB
JavaScript

import Vuex from 'vuex';
import { mount, createLocalVue } from '@vue/test-utils';
import createStore from '~/releases/stores';
import createListModule from '~/releases/stores/modules/list';
import ReleasesPaginationGraphql from '~/releases/components/releases_pagination_graphql.vue';
import { historyPushState } from '~/lib/utils/common_utils';
jest.mock('~/lib/utils/common_utils', () => ({
...jest.requireActual('~/lib/utils/common_utils'),
historyPushState: jest.fn(),
}));
const localVue = createLocalVue();
localVue.use(Vuex);
describe('~/releases/components/releases_pagination_graphql.vue', () => {
let wrapper;
let listModule;
const cursors = {
startCursor: 'startCursor',
endCursor: 'endCursor',
};
const projectPath = 'my/project';
const createComponent = pageInfo => {
listModule = createListModule({ projectPath });
listModule.state.graphQlPageInfo = pageInfo;
listModule.actions.fetchReleasesGraphQl = jest.fn();
wrapper = mount(ReleasesPaginationGraphql, {
store: createStore({
modules: {
list: listModule,
},
featureFlags: {},
}),
localVue,
});
};
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
const findPrevButton = () => wrapper.find('[data-testid="prevButton"]');
const findNextButton = () => wrapper.find('[data-testid="nextButton"]');
const expectDisabledPrev = () => {
expect(findPrevButton().attributes().disabled).toBe('disabled');
};
const expectEnabledPrev = () => {
expect(findPrevButton().attributes().disabled).toBe(undefined);
};
const expectDisabledNext = () => {
expect(findNextButton().attributes().disabled).toBe('disabled');
};
const expectEnabledNext = () => {
expect(findNextButton().attributes().disabled).toBe(undefined);
};
describe('when there is only one page of results', () => {
beforeEach(() => {
createComponent({
hasPreviousPage: false,
hasNextPage: false,
});
});
it('does not render anything', () => {
expect(wrapper.isEmpty()).toBe(true);
});
});
describe('when there is a next page, but not a previous page', () => {
beforeEach(() => {
createComponent({
hasPreviousPage: false,
hasNextPage: true,
});
});
it('renders a disabled "Prev" button', () => {
expectDisabledPrev();
});
it('renders an enabled "Next" button', () => {
expectEnabledNext();
});
});
describe('when there is a previous page, but not a next page', () => {
beforeEach(() => {
createComponent({
hasPreviousPage: true,
hasNextPage: false,
});
});
it('renders a enabled "Prev" button', () => {
expectEnabledPrev();
});
it('renders an disabled "Next" button', () => {
expectDisabledNext();
});
});
describe('when there is both a previous page and a next page', () => {
beforeEach(() => {
createComponent({
hasPreviousPage: true,
hasNextPage: true,
});
});
it('renders a enabled "Prev" button', () => {
expectEnabledPrev();
});
it('renders an enabled "Next" button', () => {
expectEnabledNext();
});
});
describe('button behavior', () => {
beforeEach(() => {
createComponent({
hasPreviousPage: true,
hasNextPage: true,
...cursors,
});
});
describe('next button behavior', () => {
beforeEach(() => {
findNextButton().trigger('click');
});
it('calls fetchReleasesGraphQl with the correct after cursor', () => {
expect(listModule.actions.fetchReleasesGraphQl.mock.calls).toEqual([
[expect.anything(), { after: cursors.endCursor }],
]);
});
it('calls historyPushState with the new URL', () => {
expect(historyPushState.mock.calls).toEqual([
[expect.stringContaining(`?after=${cursors.endCursor}`)],
]);
});
});
describe('previous button behavior', () => {
beforeEach(() => {
findPrevButton().trigger('click');
});
it('calls fetchReleasesGraphQl with the correct before cursor', () => {
expect(listModule.actions.fetchReleasesGraphQl.mock.calls).toEqual([
[expect.anything(), { before: cursors.startCursor }],
]);
});
it('calls historyPushState with the new URL', () => {
expect(historyPushState.mock.calls).toEqual([
[expect.stringContaining(`?before=${cursors.startCursor}`)],
]);
});
});
});
});