gitlab-org--gitlab-foss/spec/frontend/sidebar/assignees_realtime_spec.js

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import { shallowMount, createLocalVue } from '@vue/test-utils';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import AssigneesRealtime from '~/sidebar/components/assignees/assignees_realtime.vue';
import issuableAssigneesSubscription from '~/sidebar/queries/issuable_assignees.subscription.graphql';
import SidebarMediator from '~/sidebar/sidebar_mediator';
import getIssueAssigneesQuery from '~/vue_shared/components/sidebar/queries/get_issue_assignees.query.graphql';
import Mock, { issuableQueryResponse, subscriptionNullResponse } from './mock_data';
const localVue = createLocalVue();
localVue.use(VueApollo);
describe('Assignees Realtime', () => {
let wrapper;
let mediator;
let fakeApollo;
const issuableQueryHandler = jest.fn().mockResolvedValue(issuableQueryResponse);
const subscriptionInitialHandler = jest.fn().mockResolvedValue(subscriptionNullResponse);
const createComponent = ({
issuableType = 'issue',
issuableId = 1,
subscriptionHandler = subscriptionInitialHandler,
} = {}) => {
fakeApollo = createMockApollo([
[getIssueAssigneesQuery, issuableQueryHandler],
[issuableAssigneesSubscription, subscriptionHandler],
]);
wrapper = shallowMount(AssigneesRealtime, {
propsData: {
issuableType,
issuableId,
queryVariables: {
issuableIid: '1',
projectPath: 'path/to/project',
},
mediator,
},
apolloProvider: fakeApollo,
localVue,
});
};
beforeEach(() => {
mediator = new SidebarMediator(Mock.mediator);
});
afterEach(() => {
wrapper.destroy();
fakeApollo = null;
SidebarMediator.singleton = null;
});
it('calls the query with correct variables', () => {
createComponent();
expect(issuableQueryHandler).toHaveBeenCalledWith({
issuableIid: '1',
projectPath: 'path/to/project',
});
});
it('calls the subscription with correct variable for issue', () => {
createComponent();
expect(subscriptionInitialHandler).toHaveBeenCalledWith({
issuableId: 'gid://gitlab/Issue/1',
});
});
});