mount-overview.js

import { mount } from 'vue-test-utils'
import ComponentWithSlots from '@/components/ComponentWithSlots'
import AnotherComponent from '@/components/AnotherComponent'

// mount the component with options
const wrapper = mount(ComponentWithSlots, {
  slots: {
    default: 'div'
  },
  propsData: {
    aProp: true
  }
})

// traverse the VDOM
const anotherComponent = wrapper.find(AnotherComponent)

// make assertions
expect(anotherComponent.hasProp('foo', 'bar')).to.equal(true)