spec/frontend/cycle_analytics/banner_spec.js


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import Vue from 'vue';
import mountComponent from 'helpers/vue_mount_component_helper';
import banner from '~/cycle_analytics/components/banner.vue';

describe('Value Stream Analytics banner', () => {
  let vm;

  beforeEach(() => {
    const Component = Vue.extend(banner);
    vm = mountComponent(Component, {
      documentationLink: 'path',
    });
  });

  afterEach(() => {
    vm.$destroy();
  });

  it('should render value stream analytics information', () => {
    expect(vm.$el.querySelector('h4').textContent.trim()).toEqual(
      'Introducing Value Stream Analytics',
    );

    expect(
      vm.$el
        .querySelector('p')
        .textContent.trim()
        .replace(/[\r\n]+/g, ' '),
    ).toContain(
      'Value Stream Analytics gives an overview of how much time it takes to go from idea to production in your project.',
    );

    expect(vm.$el.querySelector('a').textContent.trim()).toEqual('Read more');

    expect(vm.$el.querySelector('a').getAttribute('href')).toEqual('path');
  });

  it('should emit an event when close button is clicked', () => {
    jest.spyOn(vm, '$emit').mockImplementation(() => {});

    vm.$el.querySelector('.js-ca-dismiss-button').click();

    expect(vm.$emit).toHaveBeenCalled();
  });
});