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import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import { mockTracking } from 'helpers/tracking_helper';
import waitForPromises from 'helpers/wait_for_promises';
import ItemTitle from '~/work_items/components/item_title.vue';
import WorkItemTitle from '~/work_items/components/work_item_title.vue';
import { TRACKING_CATEGORY_SHOW } from '~/work_items/constants';
import updateWorkItemMutation from '~/work_items/graphql/update_work_item.mutation.graphql';
import { updateWorkItemMutationResponse, workItemQueryResponse } from '../mock_data';
describe('WorkItemTitle component', () => {
let wrapper;
Vue.use(VueApollo);
const mutationSuccessHandler = jest.fn().mockResolvedValue(updateWorkItemMutationResponse);
const findItemTitle = () => wrapper.findComponent(ItemTitle);
const createComponent = ({ mutationHandler = mutationSuccessHandler, canUpdate = true } = {}) => {
const { id, title, workItemType } = workItemQueryResponse.data.workItem;
wrapper = shallowMount(WorkItemTitle, {
apolloProvider: createMockApollo([[updateWorkItemMutation, mutationHandler]]),
propsData: {
workItemId: id,
workItemTitle: title,
workItemType: workItemType.name,
canUpdate,
},
});
};
it('renders title', () => {
createComponent();
expect(findItemTitle().props('title')).toBe(workItemQueryResponse.data.workItem.title);
});
describe('item title disabled prop', () => {
describe.each`
description | canUpdate | value
${'when cannot update'} | ${false} | ${true}
${'when can update'} | ${true} | ${false}
`('$description', ({ canUpdate, value }) => {
it(`renders item title component with disabled=${value}`, () => {
createComponent({ canUpdate });
expect(findItemTitle().props('disabled')).toBe(value);
});
});
});
describe('when updating the title', () => {
it('calls a mutation', () => {
const title = 'new title!';
createComponent();
findItemTitle().vm.$emit('title-changed', title);
expect(mutationSuccessHandler).toHaveBeenCalledWith({
input: {
id: workItemQueryResponse.data.workItem.id,
title,
},
});
});
it('does not call a mutation when the title has not changed', () => {
createComponent();
findItemTitle().vm.$emit('title-changed', workItemQueryResponse.data.workItem.title);
expect(mutationSuccessHandler).not.toHaveBeenCalled();
});
it('emits an error message when the mutation was unsuccessful', async () => {
createComponent({ mutationHandler: jest.fn().mockRejectedValue('Error!') });
findItemTitle().vm.$emit('title-changed', 'new title');
await waitForPromises();
expect(wrapper.emitted('error')).toEqual([
['Something went wrong while updating the task. Please try again.'],
]);
});
it('tracks editing the title', async () => {
const trackingSpy = mockTracking(undefined, wrapper.element, jest.spyOn);
createComponent();
findItemTitle().vm.$emit('title-changed', 'new title');
await waitForPromises();
expect(trackingSpy).toHaveBeenCalledWith(TRACKING_CATEGORY_SHOW, 'updated_title', {
category: TRACKING_CATEGORY_SHOW,
label: 'item_title',
property: 'type_Task',
});
});
describe('when title has more than 255 characters', () => {
const title = new Array(257).join('a');
it('does not call a mutation', () => {
createComponent();
findItemTitle().vm.$emit('title-changed', title);
expect(mutationSuccessHandler).not.toHaveBeenCalled();
});
it('emits an error message', () => {
createComponent();
findItemTitle().vm.$emit('title-changed', title);
expect(wrapper.emitted('error')).toEqual([['Title cannot have more than 255 characters.']]);
});
});
});
});
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