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import Vue from 'vue';
import { GlDropdown, GlDropdownItem } from '@gitlab/ui';
import { cloneDeep } from 'lodash';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import waitForPromises from 'helpers/wait_for_promises';
import WorkItemLinksMenu from '~/work_items/components/work_item_links/work_item_links_menu.vue';
import changeWorkItemParentMutation from '~/work_items/graphql/change_work_item_parent_link.mutation.graphql';
import getWorkItemLinksQuery from '~/work_items/graphql/work_item_links.query.graphql';
import { WIDGET_TYPE_HIERARCHY } from '~/work_items/constants';
import { workItemHierarchyResponse, changeWorkItemParentMutationResponse } from '../../mock_data';
Vue.use(VueApollo);
const PARENT_ID = 'gid://gitlab/WorkItem/1';
const WORK_ITEM_ID = 'gid://gitlab/WorkItem/3';
describe('WorkItemLinksMenu', () => {
let wrapper;
let mockApollo;
const $toast = {
show: jest.fn(),
};
const createComponent = async ({
data = {},
mutationHandler = jest.fn().mockResolvedValue(changeWorkItemParentMutationResponse),
} = {}) => {
mockApollo = createMockApollo([
[getWorkItemLinksQuery, jest.fn().mockResolvedValue(workItemHierarchyResponse)],
[changeWorkItemParentMutation, mutationHandler],
]);
mockApollo.clients.defaultClient.cache.writeQuery({
query: getWorkItemLinksQuery,
variables: {
id: PARENT_ID,
},
data: workItemHierarchyResponse.data,
});
wrapper = shallowMountExtended(WorkItemLinksMenu, {
data() {
return {
...data,
};
},
propsData: {
workItemId: WORK_ITEM_ID,
parentWorkItemId: PARENT_ID,
},
apolloProvider: mockApollo,
mocks: {
$toast,
},
});
await waitForPromises();
};
const findDropdown = () => wrapper.find(GlDropdown);
const findRemoveDropdownItem = () => wrapper.find(GlDropdownItem);
beforeEach(async () => {
await createComponent();
});
afterEach(() => {
wrapper.destroy();
mockApollo = null;
});
it('renders dropdown and dropdown items', () => {
expect(findDropdown().exists()).toBe(true);
expect(findRemoveDropdownItem().exists()).toBe(true);
});
it('calls correct mutation with correct variables', async () => {
const mutationHandler = jest.fn().mockResolvedValue(changeWorkItemParentMutationResponse);
createComponent({ mutationHandler });
findRemoveDropdownItem().vm.$emit('click');
await waitForPromises();
expect(mutationHandler).toHaveBeenCalledWith({
id: WORK_ITEM_ID,
parentId: null,
});
});
it('shows toast when mutation succeeds', async () => {
const mutationHandler = jest.fn().mockResolvedValue(changeWorkItemParentMutationResponse);
createComponent({ mutationHandler });
findRemoveDropdownItem().vm.$emit('click');
await waitForPromises();
expect($toast.show).toHaveBeenCalledWith('Child removed', {
action: { onClick: expect.anything(), text: 'Undo' },
});
});
it('updates the cache when mutation succeeds', async () => {
const mutationHandler = jest.fn().mockResolvedValue(changeWorkItemParentMutationResponse);
createComponent({ mutationHandler });
mockApollo.clients.defaultClient.cache.readQuery = jest.fn(
() => workItemHierarchyResponse.data,
);
mockApollo.clients.defaultClient.cache.writeQuery = jest.fn();
findRemoveDropdownItem().vm.$emit('click');
await waitForPromises();
// Remove the work item from parent's children
const resp = cloneDeep(workItemHierarchyResponse);
const index = resp.data.workItem.widgets
.find((widget) => widget.type === WIDGET_TYPE_HIERARCHY)
.children.nodes.findIndex((child) => child.id === WORK_ITEM_ID);
resp.data.workItem.widgets
.find((widget) => widget.type === WIDGET_TYPE_HIERARCHY)
.children.nodes.splice(index, 1);
expect(mockApollo.clients.defaultClient.cache.writeQuery).toHaveBeenCalledWith(
expect.objectContaining({
query: expect.anything(),
variables: { id: PARENT_ID },
data: resp.data,
}),
);
});
});
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