import { GlIcon, GlLink, GlPopover, GlLoadingIcon } from '@gitlab/ui'; import { shallowMount, mount } from '@vue/test-utils'; import Vue, { nextTick } from 'vue'; import VueApollo from 'vue-apollo'; import createMockApollo from 'helpers/mock_apollo_helper'; import { extendedWrapper } from 'helpers/vue_test_utils_helper'; import waitForPromises from 'helpers/wait_for_promises'; import BoardBlockedIcon from '~/boards/components/board_blocked_icon.vue'; import { blockingIssuablesQueries, issuableTypes } from '~/boards/constants'; import { truncate } from '~/lib/utils/text_utility'; import { mockIssue, mockBlockingIssue1, mockBlockingIssue2, mockBlockingIssuablesResponse1, mockBlockingIssuablesResponse2, mockBlockingIssuablesResponse3, mockBlockedIssue1, mockBlockedIssue2, } from '../mock_data'; describe('BoardBlockedIcon', () => { let wrapper; let mockApollo; const findGlIcon = () => wrapper.find(GlIcon); const findGlPopover = () => wrapper.find(GlPopover); const findGlLink = () => wrapper.find(GlLink); const findPopoverTitle = () => wrapper.findByTestId('popover-title'); const findIssuableTitle = () => wrapper.findByTestId('issuable-title'); const findHiddenBlockingCount = () => wrapper.findByTestId('hidden-blocking-count'); const findViewAllIssuableLink = () => wrapper.findByTestId('view-all-issues'); const waitForApollo = async () => { jest.runOnlyPendingTimers(); await waitForPromises(); }; const mouseenter = async () => { findGlIcon().vm.$emit('mouseenter'); await nextTick(); await waitForApollo(); }; afterEach(() => { wrapper.destroy(); wrapper = null; }); const createWrapperWithApollo = ({ item = mockBlockedIssue1, blockingIssuablesSpy = jest.fn().mockResolvedValue(mockBlockingIssuablesResponse1), } = {}) => { mockApollo = createMockApollo([ [blockingIssuablesQueries[issuableTypes.issue].query, blockingIssuablesSpy], ]); Vue.use(VueApollo); wrapper = extendedWrapper( mount(BoardBlockedIcon, { apolloProvider: mockApollo, propsData: { item: { ...mockIssue, ...item, }, uniqueId: 'uniqueId', issuableType: issuableTypes.issue, }, attachTo: document.body, }), ); }; const createWrapper = ({ item = {}, queries = {}, data = {}, loading = false } = {}) => { wrapper = extendedWrapper( shallowMount(BoardBlockedIcon, { propsData: { item: { ...mockIssue, ...item, }, uniqueId: 'uniqueid', issuableType: issuableTypes.issue, }, data() { return { ...data, }; }, mocks: { $apollo: { queries: { blockingIssuables: { loading }, ...queries, }, }, }, stubs: { GlPopover, }, attachTo: document.body, }), ); }; it('should render blocked icon', () => { createWrapper(); expect(findGlIcon().exists()).toBe(true); }); it('should display a loading spinner while loading', () => { createWrapper({ loading: true }); expect(wrapper.find(GlLoadingIcon).exists()).toBe(true); }); it('should not query for blocking issuables by default', async () => { createWrapperWithApollo(); expect(findGlPopover().text()).not.toContain(mockBlockingIssue1.title); }); describe('on mouseenter on blocked icon', () => { it('should query for blocking issuables and render the result', async () => { createWrapperWithApollo(); expect(findGlPopover().text()).not.toContain(mockBlockingIssue1.title); await mouseenter(); expect(findGlPopover().exists()).toBe(true); expect(findIssuableTitle().text()).toContain(mockBlockingIssue1.title); expect(wrapper.vm.skip).toBe(true); }); it('should emit "blocking-issuables-error" event on query error', async () => { const mockError = new Error('mayday'); createWrapperWithApollo({ blockingIssuablesSpy: jest.fn().mockRejectedValue(mockError) }); await mouseenter(); const [ [ { message, error: { networkError }, }, ], ] = wrapper.emitted('blocking-issuables-error'); expect(message).toBe('Failed to fetch blocking issues'); expect(networkError).toBe(mockError); }); describe('with a single blocking issue', () => { beforeEach(async () => { createWrapperWithApollo(); await mouseenter(); }); it('should render a title of the issuable', async () => { expect(findIssuableTitle().text()).toBe(mockBlockingIssue1.title); }); it('should render issuable reference and link to the issuable', async () => { const formattedRef = mockBlockingIssue1.reference.split('/')[1]; expect(findGlLink().text()).toBe(formattedRef); expect(findGlLink().attributes('href')).toBe(mockBlockingIssue1.webUrl); }); it('should render popover title with correct blocking issuable count', async () => { expect(findPopoverTitle().text()).toBe('Blocked by 1 issue'); }); }); describe('when issue has a long title', () => { it('should render a truncated title', async () => { createWrapperWithApollo({ blockingIssuablesSpy: jest.fn().mockResolvedValue(mockBlockingIssuablesResponse2), }); await mouseenter(); const truncatedTitle = truncate( mockBlockingIssue2.title, wrapper.vm.$options.textTruncateWidth, ); expect(findIssuableTitle().text()).toBe(truncatedTitle); }); }); describe('with more than three blocking issues', () => { beforeEach(async () => { createWrapperWithApollo({ item: mockBlockedIssue2, blockingIssuablesSpy: jest.fn().mockResolvedValue(mockBlockingIssuablesResponse3), }); await mouseenter(); }); it('matches the snapshot', () => { expect(wrapper.html()).toMatchSnapshot(); }); it('should render popover title with correct blocking issuable count', async () => { expect(findPopoverTitle().text()).toBe('Blocked by 4 issues'); }); it('should render the number of hidden blocking issuables', () => { expect(findHiddenBlockingCount().text()).toBe('+ 1 more issue'); }); it('should link to the blocked issue page at the related issue anchor', async () => { expect(findViewAllIssuableLink().text()).toBe('View all blocking issues'); expect(findViewAllIssuableLink().attributes('href')).toBe( `${mockBlockedIssue2.webUrl}#related-issues`, ); }); }); }); });