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diff --git a/spec/javascripts/vue_shared/components/sidebar/labels_select/base_spec.js b/spec/javascripts/vue_shared/components/sidebar/labels_select/base_spec.js
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+import Vue from 'vue';
+
+import LabelsSelect from '~/labels_select';
+import baseComponent from '~/vue_shared/components/sidebar/labels_select/base.vue';
+
+import { mockConfig, mockLabels } from './mock_data';
+
+import mountComponent from '../../../../helpers/vue_mount_component_helper';
+
+const createComponent = (config = mockConfig) => {
+ const Component = Vue.extend(baseComponent);
+
+ return mountComponent(Component, config);
+};
+
+describe('BaseComponent', () => {
+ let vm;
+
+ beforeEach(() => {
+ vm = createComponent();
+ });
+
+ afterEach(() => {
+ vm.$destroy();
+ });
+
+ describe('computed', () => {
+ describe('hiddenInputName', () => {
+ it('returns correct string when showCreate prop is `true`', () => {
+ expect(vm.hiddenInputName).toBe('issue[label_names][]');
+ });
+
+ it('returns correct string when showCreate prop is `false`', () => {
+ const mockConfigNonEditable = Object.assign({}, mockConfig, { showCreate: false });
+ const vmNonEditable = createComponent(mockConfigNonEditable);
+ expect(vmNonEditable.hiddenInputName).toBe('label_id[]');
+ vmNonEditable.$destroy();
+ });
+ });
+ });
+
+ describe('methods', () => {
+ describe('handleClick', () => {
+ it('emits onLabelClick event with label and list of labels as params', () => {
+ spyOn(vm, '$emit');
+ vm.handleClick(mockLabels[0]);
+ expect(vm.$emit).toHaveBeenCalledWith('onLabelClick', mockLabels[0]);
+ });
+ });
+ });
+
+ describe('mounted', () => {
+ it('creates LabelsSelect object and assigns it to `labelsDropdon` as prop', () => {
+ expect(vm.labelsDropdown instanceof LabelsSelect).toBe(true);
+ });
+ });
+
+ describe('template', () => {
+ it('renders component container element with classes `block labels`', () => {
+ expect(vm.$el.classList.contains('block')).toBe(true);
+ expect(vm.$el.classList.contains('labels')).toBe(true);
+ });
+
+ it('renders `.selectbox` element', () => {
+ expect(vm.$el.querySelector('.selectbox')).not.toBeNull();
+ expect(vm.$el.querySelector('.selectbox').getAttribute('style')).toBe('display: none;');
+ });
+
+ it('renders `.dropdown` element', () => {
+ expect(vm.$el.querySelector('.dropdown')).not.toBeNull();
+ });
+
+ it('renders `.dropdown-menu` element', () => {
+ const dropdownMenuEl = vm.$el.querySelector('.dropdown-menu');
+ expect(dropdownMenuEl).not.toBeNull();
+ expect(dropdownMenuEl.querySelector('.dropdown-page-one')).not.toBeNull();
+ expect(dropdownMenuEl.querySelector('.dropdown-content')).not.toBeNull();
+ expect(dropdownMenuEl.querySelector('.dropdown-loading')).not.toBeNull();
+ });
+ });
+});