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import Vue, { nextTick } from 'vue';
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 WorkItemTree from '~/work_items/components/work_item_links/work_item_tree.vue';
import WorkItemLinksForm from '~/work_items/components/work_item_links/work_item_links_form.vue';
import WorkItemLinkChild from '~/work_items/components/work_item_links/work_item_link_child.vue';
import OkrActionsSplitButton from '~/work_items/components/work_item_links/okr_actions_split_button.vue';
import workItemQuery from '~/work_items/graphql/work_item.query.graphql';
import { DEFAULT_DEBOUNCE_AND_THROTTLE_MS } from '~/lib/utils/constants';
import {
FORM_TYPES,
WORK_ITEM_TYPE_ENUM_OBJECTIVE,
WORK_ITEM_TYPE_ENUM_KEY_RESULT,
} from '~/work_items/constants';
import { childrenWorkItems, workItemObjectiveWithChild } from '../../mock_data';
describe('WorkItemTree', () => {
let getWorkItemQueryHandler;
let wrapper;
const findToggleButton = () => wrapper.findByTestId('toggle-tree');
const findTreeBody = () => wrapper.findByTestId('tree-body');
const findEmptyState = () => wrapper.findByTestId('tree-empty');
const findToggleFormSplitButton = () => wrapper.findComponent(OkrActionsSplitButton);
const findForm = () => wrapper.findComponent(WorkItemLinksForm);
const findWorkItemLinkChildItems = () => wrapper.findAllComponents(WorkItemLinkChild);
Vue.use(VueApollo);
const createComponent = ({
workItemType = 'Objective',
parentWorkItemType = 'Objective',
confidential = false,
children = childrenWorkItems,
apolloProvider = null,
} = {}) => {
const mockWorkItemResponse = {
data: {
workItem: {
...workItemObjectiveWithChild,
workItemType: {
...workItemObjectiveWithChild.workItemType,
name: workItemType,
},
},
},
};
getWorkItemQueryHandler = jest.fn().mockResolvedValue(mockWorkItemResponse);
wrapper = shallowMountExtended(WorkItemTree, {
apolloProvider:
apolloProvider || createMockApollo([[workItemQuery, getWorkItemQueryHandler]]),
propsData: {
workItemType,
parentWorkItemType,
workItemId: 'gid://gitlab/WorkItem/515',
confidential,
children,
projectPath: 'test/project',
},
});
};
beforeEach(() => {
createComponent();
});
afterEach(() => {
wrapper.destroy();
});
it('is expanded by default and displays Add button', () => {
expect(findToggleButton().props('icon')).toBe('chevron-lg-up');
expect(findTreeBody().exists()).toBe(true);
expect(findToggleFormSplitButton().exists()).toBe(true);
});
it('collapses on click toggle button', async () => {
findToggleButton().vm.$emit('click');
await nextTick();
expect(findToggleButton().props('icon')).toBe('chevron-lg-down');
expect(findTreeBody().exists()).toBe(false);
});
it('displays empty state if there are no children', () => {
createComponent({ children: [] });
expect(findEmptyState().exists()).toBe(true);
});
it('renders all hierarchy widget children', () => {
const workItemLinkChildren = findWorkItemLinkChildItems();
expect(workItemLinkChildren).toHaveLength(4);
expect(workItemLinkChildren.at(0).props().childItem.confidential).toBe(
childrenWorkItems[0].confidential,
);
});
it('does not display form by default', () => {
expect(findForm().exists()).toBe(false);
});
it.each`
option | event | formType | childType
${'New objective'} | ${'showCreateObjectiveForm'} | ${FORM_TYPES.create} | ${WORK_ITEM_TYPE_ENUM_OBJECTIVE}
${'Existing objective'} | ${'showAddObjectiveForm'} | ${FORM_TYPES.add} | ${WORK_ITEM_TYPE_ENUM_OBJECTIVE}
${'New key result'} | ${'showCreateKeyResultForm'} | ${FORM_TYPES.create} | ${WORK_ITEM_TYPE_ENUM_KEY_RESULT}
${'Existing key result'} | ${'showAddKeyResultForm'} | ${FORM_TYPES.add} | ${WORK_ITEM_TYPE_ENUM_KEY_RESULT}
`(
'when selecting $option from split button, renders the form passing $formType and $childType',
async ({ event, formType, childType }) => {
findToggleFormSplitButton().vm.$emit(event);
await nextTick();
expect(findForm().exists()).toBe(true);
expect(findForm().props()).toMatchObject({
formType,
childrenType: childType,
parentWorkItemType: 'Objective',
parentConfidential: false,
});
},
);
it('remove event on child triggers `removeChild` event', () => {
const firstChild = findWorkItemLinkChildItems().at(0);
firstChild.vm.$emit('removeChild', 'gid://gitlab/WorkItem/2');
expect(wrapper.emitted('removeChild')).toEqual([['gid://gitlab/WorkItem/2']]);
});
it('emits `show-modal` on `click` event', () => {
const firstChild = findWorkItemLinkChildItems().at(0);
const event = {
childItem: 'gid://gitlab/WorkItem/2',
};
firstChild.vm.$emit('click', event);
expect(wrapper.emitted('show-modal')).toEqual([[event, event.childItem]]);
});
it.each`
description | workItemType | prefetch
${'prefetches'} | ${'Issue'} | ${true}
${'does not prefetch'} | ${'Objective'} | ${false}
`(
'$description work-item-link-child on mouseover when workItemType is "$workItemType"',
async ({ workItemType, prefetch }) => {
createComponent({ workItemType });
const firstChild = findWorkItemLinkChildItems().at(0);
firstChild.vm.$emit('mouseover', childrenWorkItems[0]);
await nextTick();
await waitForPromises();
jest.advanceTimersByTime(DEFAULT_DEBOUNCE_AND_THROTTLE_MS);
if (prefetch) {
expect(getWorkItemQueryHandler).toHaveBeenCalled();
} else {
expect(getWorkItemQueryHandler).not.toHaveBeenCalled();
}
},
);
});
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