import { shallowMount } from '@vue/test-utils' ; import HelloWorld from '@/components/HelloWorld.vue' ; describe ( 'HelloWorld.vue' , ( ) => { it ( 'renders props.msg when passed' , ( ) => { const msg = 'new message' ; const wrapper = shallowMount ( HelloWorld , { propsData : { msg } } ) ; expect ( wrapper . text ( ) ) . toMatch ( msg ) ; } ) ; } ) ;