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import Vue from 'vue';
import frequentItemsListComponent from '~/frequent_items/components/frequent_items_list.vue';
import mountComponent from 'spec/helpers/vue_mount_component_helper';
import { mockFrequentProjects } from '../mock_data';
const createComponent = (namespace = 'projects') => {
const Component = Vue.extend(frequentItemsListComponent);
return mountComponent(Component, {
namespace,
items: mockFrequentProjects,
isFetchFailed: false,
hasSearchQuery: false,
matcher: 'lab',
});
};
describe('FrequentItemsListComponent', () => {
let vm;
beforeEach(() => {
vm = createComponent();
});
afterEach(() => {
vm.$destroy();
});
describe('computed', () => {
describe('isListEmpty', () => {
it('should return `true` or `false` representing whether if `items` is empty or not with projects', () => {
vm.items = [];
expect(vm.isListEmpty).toBe(true);
vm.items = mockFrequentProjects;
expect(vm.isListEmpty).toBe(false);
});
});
describe('fetched item messages', () => {
it('should return appropriate empty list message based on value of `localStorageFailed` prop with projects', () => {
vm.isFetchFailed = true;
expect(vm.listEmptyMessage).toBe('This feature requires browser localStorage support');
vm.isFetchFailed = false;
expect(vm.listEmptyMessage).toBe('Projects you visit often will appear here');
});
});
describe('searched item messages', () => {
it('should return appropriate empty list message based on value of `searchFailed` prop with projects', () => {
vm.hasSearchQuery = true;
vm.isFetchFailed = true;
expect(vm.listEmptyMessage).toBe('Something went wrong on our end.');
vm.isFetchFailed = false;
expect(vm.listEmptyMessage).toBe('Sorry, no projects matched your search');
});
});
});
describe('template', () => {
it('should render component element with list of projects', done => {
vm.items = mockFrequentProjects;
Vue.nextTick(() => {
expect(vm.$el.classList.contains('frequent-items-list-container')).toBe(true);
expect(vm.$el.querySelectorAll('ul.list-unstyled').length).toBe(1);
expect(vm.$el.querySelectorAll('li.frequent-items-list-item-container').length).toBe(5);
done();
});
});
it('should render component element with empty message', done => {
vm.items = [];
Vue.nextTick(() => {
expect(vm.$el.querySelectorAll('li.section-empty').length).toBe(1);
expect(vm.$el.querySelectorAll('li.frequent-items-list-item-container').length).toBe(0);
done();
});
});
});
});
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