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import { GlTokenSelector, GlSkeletonLoader } from '@gitlab/ui';
import Vue, { nextTick } from 'vue';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import { mountExtended } from 'helpers/vue_test_utils_helper';
import { DEFAULT_DEBOUNCE_AND_THROTTLE_MS } from '~/lib/utils/constants';
import labelSearchQuery from '~/vue_shared/components/sidebar/labels_select_widget/graphql/project_labels.query.graphql';
import workItemQuery from '~/work_items/graphql/work_item.query.graphql';
import WorkItemLabels from '~/work_items/components/work_item_labels.vue';
import { i18n } from '~/work_items/constants';
import { temporaryConfig, resolvers } from '~/graphql_shared/issuable_client';
import { projectLabelsResponse, mockLabels, workItemQueryResponse } from '../mock_data';
Vue.use(VueApollo);
const workItemId = 'gid://gitlab/WorkItem/1';
describe('WorkItemLabels component', () => {
let wrapper;
const findTokenSelector = () => wrapper.findComponent(GlTokenSelector);
const findSkeletonLoader = () => wrapper.findComponent(GlSkeletonLoader);
const findEmptyState = () => wrapper.findByTestId('empty-state');
const successSearchQueryHandler = jest.fn().mockResolvedValue(projectLabelsResponse);
const errorHandler = jest.fn().mockRejectedValue('Houston, we have a problem');
const createComponent = ({
labels = mockLabels,
canUpdate = true,
searchQueryHandler = successSearchQueryHandler,
} = {}) => {
const apolloProvider = createMockApollo([[labelSearchQuery, searchQueryHandler]], resolvers, {
typePolicies: temporaryConfig.cacheConfig.typePolicies,
});
apolloProvider.clients.defaultClient.writeQuery({
query: workItemQuery,
variables: {
id: workItemId,
},
data: workItemQueryResponse.data,
});
wrapper = mountExtended(WorkItemLabels, {
propsData: {
labels,
workItemId,
canUpdate,
fullPath: 'test-project-path',
},
attachTo: document.body,
apolloProvider,
});
};
afterEach(() => {
wrapper.destroy();
});
it('focuses token selector on token selector input event', async () => {
createComponent();
findTokenSelector().vm.$emit('input', [mockLabels[0]]);
await nextTick();
expect(findEmptyState().exists()).toBe(false);
expect(findTokenSelector().element.contains(document.activeElement)).toBe(true);
});
it('does not start search by default', () => {
createComponent();
expect(findTokenSelector().props('loading')).toBe(false);
expect(findTokenSelector().props('dropdownItems')).toEqual([]);
});
it('starts search on hovering for more than 250ms', async () => {
createComponent();
findTokenSelector().trigger('mouseover');
jest.advanceTimersByTime(DEFAULT_DEBOUNCE_AND_THROTTLE_MS);
await nextTick();
expect(findTokenSelector().props('loading')).toBe(true);
});
it('starts search on focusing token selector', async () => {
createComponent();
findTokenSelector().vm.$emit('focus');
await nextTick();
expect(findTokenSelector().props('loading')).toBe(true);
});
it('does not start searching if token-selector was hovered for less than 250ms', async () => {
createComponent();
findTokenSelector().trigger('mouseover');
jest.advanceTimersByTime(100);
await nextTick();
expect(findTokenSelector().props('loading')).toBe(false);
});
it('does not start searching if cursor was moved out from token selector before 250ms passed', async () => {
createComponent();
findTokenSelector().trigger('mouseover');
jest.advanceTimersByTime(100);
findTokenSelector().trigger('mouseout');
jest.advanceTimersByTime(DEFAULT_DEBOUNCE_AND_THROTTLE_MS);
await nextTick();
expect(findTokenSelector().props('loading')).toBe(false);
});
it('shows skeleton loader on dropdown when loading', async () => {
createComponent();
findTokenSelector().vm.$emit('focus');
await nextTick();
expect(findSkeletonLoader().exists()).toBe(true);
});
it('shows list in dropdown when loaded', async () => {
createComponent();
findTokenSelector().vm.$emit('focus');
await nextTick();
expect(findSkeletonLoader().exists()).toBe(true);
await waitForPromises();
expect(findSkeletonLoader().exists()).toBe(false);
expect(findTokenSelector().props('dropdownItems')).toHaveLength(2);
});
it.each([true, false])(
'passes canUpdate=%s prop to view-only of token-selector',
async (canUpdate) => {
createComponent({ canUpdate });
await waitForPromises();
expect(findTokenSelector().props('viewOnly')).toBe(!canUpdate);
},
);
it('emits error event if search query fails', async () => {
createComponent({ searchQueryHandler: errorHandler });
findTokenSelector().vm.$emit('focus');
await waitForPromises();
expect(wrapper.emitted('error')).toEqual([[i18n.fetchError]]);
});
it('should search for with correct key after text input', async () => {
const searchKey = 'Hello';
createComponent();
findTokenSelector().vm.$emit('focus');
findTokenSelector().vm.$emit('text-input', searchKey);
await waitForPromises();
expect(successSearchQueryHandler).toHaveBeenCalledWith(
expect.objectContaining({ search: searchKey }),
);
});
});
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