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import { GlLoadingIcon, GlSearchBoxByType } from '@gitlab/ui';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import { nextTick } from 'vue';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import createFlash from '~/flash';
import { DEFAULT_DEBOUNCE_AND_THROTTLE_MS } from '~/lib/utils/constants';
import { DropdownVariant } from '~/vue_shared/components/sidebar/labels_select_widget/constants';
import DropdownContentsLabelsView from '~/vue_shared/components/sidebar/labels_select_widget/dropdown_contents_labels_view.vue';
import projectLabelsQuery from '~/vue_shared/components/sidebar/labels_select_widget/graphql/project_labels.query.graphql';
import LabelItem from '~/vue_shared/components/sidebar/labels_select_widget/label_item.vue';
import { mockConfig, labelsQueryResponse } from './mock_data';
jest.mock('~/flash');
const localVue = createLocalVue();
localVue.use(VueApollo);
const selectedLabels = [
{
id: 28,
title: 'Bug',
description: 'Label for bugs',
color: '#FF0000',
textColor: '#FFFFFF',
},
];
describe('DropdownContentsLabelsView', () => {
let wrapper;
const successfulQueryHandler = jest.fn().mockResolvedValue(labelsQueryResponse);
const createComponent = ({
initialState = mockConfig,
queryHandler = successfulQueryHandler,
injected = {},
} = {}) => {
const mockApollo = createMockApollo([[projectLabelsQuery, queryHandler]]);
wrapper = shallowMount(DropdownContentsLabelsView, {
localVue,
apolloProvider: mockApollo,
provide: {
projectPath: 'test',
iid: 1,
variant: DropdownVariant.Sidebar,
...injected,
},
propsData: {
...initialState,
selectedLabels,
},
stubs: {
GlSearchBoxByType,
},
});
};
afterEach(() => {
wrapper.destroy();
});
const findSearchInput = () => wrapper.findComponent(GlSearchBoxByType);
const findLabels = () => wrapper.findAllComponents(LabelItem);
const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
const findLabelsList = () => wrapper.find('[data-testid="labels-list"]');
const findNoResultsMessage = () => wrapper.find('[data-testid="no-results"]');
describe('when loading labels', () => {
it('renders disabled search input field', async () => {
createComponent();
expect(findSearchInput().props('disabled')).toBe(true);
});
it('renders loading icon', async () => {
createComponent();
expect(findLoadingIcon().exists()).toBe(true);
});
it('does not render labels list', async () => {
createComponent();
expect(findLabelsList().exists()).toBe(false);
});
});
describe('when labels are loaded', () => {
beforeEach(async () => {
createComponent();
await waitForPromises();
});
it('renders enabled search input field', async () => {
expect(findSearchInput().props('disabled')).toBe(false);
});
it('does not render loading icon', async () => {
expect(findLoadingIcon().exists()).toBe(false);
});
it('renders labels list', async () => {
expect(findLabelsList().exists()).toBe(true);
expect(findLabels()).toHaveLength(2);
});
});
it('when search returns 0 results', async () => {
createComponent({
queryHandler: jest.fn().mockResolvedValue({
data: {
workspace: {
labels: {
nodes: [],
},
},
},
}),
});
findSearchInput().vm.$emit('input', '123');
await waitForPromises();
await nextTick();
expect(findNoResultsMessage().isVisible()).toBe(true);
});
it('calls `createFlash` when fetching labels failed', async () => {
createComponent({ queryHandler: jest.fn().mockRejectedValue('Houston, we have a problem!') });
jest.advanceTimersByTime(DEFAULT_DEBOUNCE_AND_THROTTLE_MS);
await waitForPromises();
expect(createFlash).toHaveBeenCalled();
});
});
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