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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 IssuableBlockedIcon from '~/vue_shared/components/issuable_blocked_icon/issuable_blocked_icon.vue';
import { blockingIssuablesQueries } from '~/vue_shared/components/issuable_blocked_icon/constants';
import { TYPE_EPIC, TYPE_ISSUE } from '~/issues/constants';
import { truncate } from '~/lib/utils/text_utility';
import {
mockIssue,
mockEpic,
mockBlockingIssue1,
mockBlockingIssue2,
mockBlockingEpic1,
mockBlockingIssuablesResponse1,
mockBlockingIssuablesResponse2,
mockBlockingIssuablesResponse3,
mockBlockedIssue1,
mockBlockedIssue2,
mockBlockedEpic1,
mockBlockingEpicIssuablesResponse1,
} from '../../boards/mock_data';
describe('IssuableBlockedIcon', () => {
let wrapper;
let mockApollo;
const findGlIcon = () => wrapper.findComponent(GlIcon);
const findGlPopover = () => wrapper.findComponent(GlPopover);
const findGlLink = () => wrapper.findComponent(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),
issuableItem = mockIssue,
issuableType = TYPE_ISSUE,
} = {}) => {
mockApollo = createMockApollo([
[blockingIssuablesQueries[issuableType].query, blockingIssuablesSpy],
]);
Vue.use(VueApollo);
wrapper = extendedWrapper(
mount(IssuableBlockedIcon, {
apolloProvider: mockApollo,
propsData: {
item: {
...issuableItem,
...item,
},
uniqueId: 'uniqueId',
issuableType,
},
attachTo: document.body,
}),
);
};
const createWrapper = ({
item = {},
queries = {},
data = {},
loading = false,
mockIssuable = mockIssue,
issuableType = TYPE_ISSUE,
} = {}) => {
wrapper = extendedWrapper(
shallowMount(IssuableBlockedIcon, {
propsData: {
item: {
...mockIssuable,
...item,
},
uniqueId: 'uniqueid',
issuableType,
},
data() {
return {
...data,
};
},
mocks: {
$apollo: {
queries: {
blockingIssuables: { loading },
...queries,
},
},
},
stubs: {
GlPopover,
},
attachTo: document.body,
}),
);
};
it.each`
mockIssuable | issuableType | expectedIcon
${mockIssue} | ${TYPE_ISSUE} | ${'issue-block'}
${mockEpic} | ${TYPE_EPIC} | ${'entity-blocked'}
`(
'should render blocked icon for $issuableType',
({ mockIssuable, issuableType, expectedIcon }) => {
createWrapper({
mockIssuable,
issuableType,
});
expect(findGlIcon().exists()).toBe(true);
const icon = findGlIcon();
expect(icon.exists()).toBe(true);
expect(icon.props('name')).toBe(expectedIcon);
},
);
it('should display a loading spinner while loading', () => {
createWrapper({ loading: true });
expect(wrapper.findComponent(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.each`
item | issuableType | mockBlockingIssuable | issuableItem | blockingIssuablesSpy
${mockBlockedIssue1} | ${TYPE_ISSUE} | ${mockBlockingIssue1} | ${mockIssue} | ${jest.fn().mockResolvedValue(mockBlockingIssuablesResponse1)}
${mockBlockedEpic1} | ${TYPE_EPIC} | ${mockBlockingEpic1} | ${mockEpic} | ${jest.fn().mockResolvedValue(mockBlockingEpicIssuablesResponse1)}
`(
'should query for blocking issuables and render the result for $issuableType',
async ({ item, issuableType, issuableItem, mockBlockingIssuable, blockingIssuablesSpy }) => {
createWrapperWithApollo({
item,
issuableType,
issuableItem,
blockingIssuablesSpy,
});
expect(findGlPopover().text()).not.toContain(mockBlockingIssuable.title);
await mouseenter();
expect(findGlPopover().exists()).toBe(true);
expect(findIssuableTitle().text()).toContain(mockBlockingIssuable.title);
expect(wrapper.vm.skip).toBe(true);
},
);
it('should emit "blocking-issuables-error" event on query error', async () => {
const mockError = new Error('mayday');
createWrapperWithApollo({ blockingIssuablesSpy: jest.fn().mockRejectedValue(mockError) });
await mouseenter();
const [
[
{
message,
error: { networkError },
},
],
] = wrapper.emitted('blocking-issuables-error');
expect(message).toBe('Failed to fetch blocking issues');
expect(networkError).toBe(mockError);
});
describe('with a single blocking issue', () => {
beforeEach(async () => {
createWrapperWithApollo();
await mouseenter();
});
it('should render a title of the issuable', async () => {
expect(findIssuableTitle().text()).toBe(mockBlockingIssue1.title);
});
it('should render issuable reference and link to the issuable', async () => {
const formattedRef = mockBlockingIssue1.reference.split('/')[1];
expect(findGlLink().text()).toBe(formattedRef);
expect(findGlLink().attributes('href')).toBe(mockBlockingIssue1.webUrl);
});
it('should render popover title with correct blocking issuable count', async () => {
expect(findPopoverTitle().text()).toBe('Blocked by 1 issue');
});
});
describe('when issue has a long title', () => {
it('should render a truncated title', async () => {
createWrapperWithApollo({
blockingIssuablesSpy: jest.fn().mockResolvedValue(mockBlockingIssuablesResponse2),
});
await mouseenter();
const truncatedTitle = truncate(
mockBlockingIssue2.title,
wrapper.vm.$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`,
);
});
});
});
});
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