text: import { GlLabel } from '@gitlab/ui';
  import { shallowMount } from '@vue/test-utils';
  
  import DropdownValue from '~/vue_shared/components/sidebar/labels_select_widget/dropdown_value.vue';
  
  import { mockRegularLabel, mockScopedLabel } from './mock_data';
  
  describe('DropdownValue', () => {
    let wrapper;
  
    const findAllLabels = () => wrapper.findAllComponents(GlLabel);
    const findRegularLabel = () => findAllLabels().at(1);
    const findScopedLabel = () => findAllLabels().at(0);
    const findWrapper = () => wrapper.find('[data-testid="value-wrapper"]');
    const findEmptyPlaceholder = () => wrapper.find('[data-testid="empty-placeholder"]');
  
    const createComponent = (props = {}, slots = {}) => {
      wrapper = shallowMount(DropdownValue, {
        slots,
        propsData: {
          selectedLabels: [mockRegularLabel, mockScopedLabel],
          allowLabelRemove: true,
          labelsFilterBasePath: '/gitlab-org/my-project/issues',
          labelsFilterParam: 'label_name',
          ...props,
        },
        provide: {
          allowScopedLabels: true,
        },
      });
    };
  
    afterEach(() => {
      wrapper.destroy();
    });
  
    describe('when there are no labels', () => {
      beforeEach(() => {
        createComponent(
          {
            selectedLabels: [],
          },
          {
            default: 'None',
          },
        );
      });
  
      it('does not apply `has-labels` class to the wrapping container', () => {
        expect(findWrapper().classes()).not.toContain('has-labels');
      });
  
      it('renders an empty placeholder', () => {
        expect(findEmptyPlaceholder().exists()).toBe(true);
        expect(findEmptyPlaceholder().text()).toBe('None');
      });
  
      it('does not render any labels', () => {
        expect(findAllLabels().length).toBe(0);
      });
    });
  
    describe('when there are labels', () => {
      beforeEach(() => {
        createComponent();
      });
  
      it('applies `has-labels` class to the wrapping container', () => {
        expect(findWrapper().classes()).toContain('has-labels');
      });
  
      it('does not render an empty placeholder', () => {
        expect(findEmptyPlaceholder().exists()).toBe(false);
      });
  
      it('renders a list of two labels', () => {
        expect(findAllLabels().length).toBe(2);
      });
  
      it('passes correct props to the regular label', () => {
        expect(findRegularLabel().props('target')).toBe(
          '/gitlab-org/my-project/issues?label_name[]=Foo%20Label',
        );
        expect(findRegularLabel().props('scoped')).toBe(false);
      });
  
      it('passes correct props to the scoped label', () => {
        expect(findScopedLabel().props('target')).toBe(
          '/gitlab-org/my-project/issues?label_name[]=Foo%3A%3ABar',
        );
        expect(findScopedLabel().props('scoped')).toBe(true);
      });
  
      it('emits `onLabelRemove` event with the correct ID', () => {
        findRegularLabel().vm.$emit('close');
        expect(wrapper.emitted('onLabelRemove')).toEqual([[mockRegularLabel.id]]);
      });
    });
  });
  