text: import Vue from 'vue';
  
  import LabelsSelect from '~/labels_select';
  import baseComponent from '~/vue_shared/components/sidebar/labels_select/base.vue';
  
  import mountComponent from 'spec/helpers/vue_mount_component_helper';
  
  import { mockConfig, mockLabels } from './mock_data';
  
  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('createLabelTitle', () => {
        it('returns `Create project label` when `isProject` prop is true', () => {
          expect(vm.createLabelTitle).toBe('Create project label');
        });
  
        it('return `Create group label` when `isProject` prop is false', () => {
          const mockConfigGroup = Object.assign({}, mockConfig, { isProject: false });
          const vmGroup = createComponent(mockConfigGroup);
  
          expect(vmGroup.createLabelTitle).toBe('Create group label');
          vmGroup.$destroy();
        });
      });
  
      describe('manageLabelsTitle', () => {
        it('returns `Manage project labels` when `isProject` prop is true', () => {
          expect(vm.manageLabelsTitle).toBe('Manage project labels');
        });
  
        it('return `Manage group labels` when `isProject` prop is false', () => {
          const mockConfigGroup = Object.assign({}, mockConfig, { isProject: false });
          const vmGroup = createComponent(mockConfigGroup);
  
          expect(vmGroup.manageLabelsTitle).toBe('Manage group labels');
          vmGroup.$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('handleCollapsedValueClick', () => {
        it('emits toggleCollapse event on component', () => {
          spyOn(vm, '$emit');
          vm.handleCollapsedValueClick();
  
          expect(vm.$emit).toHaveBeenCalledWith('toggleCollapse');
        });
      });
  
      describe('handleDropdownHidden', () => {
        it('emits onDropdownClose event on component', () => {
          spyOn(vm, '$emit');
          vm.handleDropdownHidden();
  
          expect(vm.$emit).toHaveBeenCalledWith('onDropdownClose');
        });
      });
    });
  
    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();
      });
    });
  });
  