text: import Vue from 'vue';
  
  import dropdownCreateLabelComponent from '~/vue_shared/components/sidebar/labels_select/dropdown_create_label.vue';
  
  import { mockSuggestedColors } from './mock_data';
  
  import mountComponent from '../../../../helpers/vue_mount_component_helper';
  
  const createComponent = (headerTitle) => {
    const Component = Vue.extend(dropdownCreateLabelComponent);
  
    return mountComponent(Component, {
      headerTitle,
    });
  };
  
  describe('DropdownCreateLabelComponent', () => {
    let vm;
  
    beforeEach(() => {
      gon.suggested_label_colors = mockSuggestedColors;
      vm = createComponent();
    });
  
    afterEach(() => {
      vm.$destroy();
    });
  
    describe('created', () => {
      it('initializes `suggestedColors` prop on component from `gon.suggested_color_labels` object', () => {
        expect(vm.suggestedColors.length).toBe(mockSuggestedColors.length);
      });
    });
  
    describe('template', () => {
      it('renders component container element with classes `dropdown-page-two dropdown-new-label`', () => {
        expect(vm.$el.classList.contains('dropdown-page-two', 'dropdown-new-label')).toBe(true);
      });
  
      it('renders `Go back` button on component header', () => {
        const backButtonEl = vm.$el.querySelector('.dropdown-title button.dropdown-title-button.dropdown-menu-back');
        expect(backButtonEl).not.toBe(null);
        expect(backButtonEl.querySelector('.fa-arrow-left')).not.toBe(null);
      });
  
      it('renders component header element as `Create new label` when `headerTitle` prop is not provided', () => {
        const headerEl = vm.$el.querySelector('.dropdown-title');
        expect(headerEl.innerText.trim()).toContain('Create new label');
      });
  
      it('renders component header element with value of `headerTitle` prop', () => {
        const headerTitle = 'Create project label';
        const vmWithHeaderTitle = createComponent(headerTitle);
        const headerEl = vmWithHeaderTitle.$el.querySelector('.dropdown-title');
        expect(headerEl.innerText.trim()).toContain(headerTitle);
        vmWithHeaderTitle.$destroy();
      });
  
      it('renders `Close` button on component header', () => {
        const closeButtonEl = vm.$el.querySelector('.dropdown-title button.dropdown-title-button.dropdown-menu-close');
        expect(closeButtonEl).not.toBe(null);
        expect(closeButtonEl.querySelector('.fa-times.dropdown-menu-close-icon')).not.toBe(null);
      });
  
      it('renders `Name new label` input element', () => {
        expect(vm.$el.querySelector('.dropdown-labels-error.js-label-error')).not.toBe(null);
        expect(vm.$el.querySelector('input#new_label_name.default-dropdown-input')).not.toBe(null);
      });
  
      it('renders suggested colors list elements', () => {
        const colorsListContainerEl = vm.$el.querySelector('.suggest-colors.suggest-colors-dropdown');
        expect(colorsListContainerEl).not.toBe(null);
        expect(colorsListContainerEl.querySelectorAll('a').length).toBe(mockSuggestedColors.length);
  
        const colorItemEl = colorsListContainerEl.querySelectorAll('a')[0];
        expect(colorItemEl.dataset.color).toBe(vm.suggestedColors[0]);
        expect(colorItemEl.getAttribute('style')).toBe('background-color: rgb(0, 51, 204);');
      });
  
      it('renders color input element', () => {
        expect(vm.$el.querySelector('.dropdown-label-color-input')).not.toBe(null);
        expect(vm.$el.querySelector('.dropdown-label-color-preview.js-dropdown-label-color-preview')).not.toBe(null);
        expect(vm.$el.querySelector('input#new_label_color.default-dropdown-input')).not.toBe(null);
      });
  
      it('renders component action buttons', () => {
        const createBtnEl = vm.$el.querySelector('button.js-new-label-btn');
        const cancelBtnEl = vm.$el.querySelector('button.js-cancel-label-btn');
        expect(createBtnEl).not.toBe(null);
        expect(createBtnEl.innerText.trim()).toBe('Create');
        expect(cancelBtnEl.innerText.trim()).toBe('Cancel');
      });
    });
  });
  