app_vue2/test/component/Layout/Breadcrumbs.spec.js

import Breadcrumbs from "~/components/Layout/Breadcrumbs";
import {shallowMount, RouterLinkStub} from "@vue/test-utils"

describe("Breadcrumbs", () => {
  let wrapper

  beforeEach(() => {
    const $route = {
      path: '/organization/address/123'
    }

    const $t = () => { }

    wrapper = shallowMount(Breadcrumbs, {
      stubs: {
        NuxtLink: RouterLinkStub
      },
      mocks: {
        $route,
        $router:{
          match:()=>{
            return{
              name: 'foo',
              path: 'bar'
            }
          }
        },
        $nuxt: {
          context: {
            $config: {
              baseURL_adminLegacy: '/'
            },
            app: {
              i18n:{
                t:() =>{ }
              }
            }
          },
        },
        $t
      }
    })
  })

  it("will display 4 li", () => {
    expect(wrapper.findAll("#breadcrumbs li")).toHaveLength(4);
  });
});