Jest Test - Uncaught TypeError: Unable to create range using document.createRange

my unique test

import VueI18n from 'vue-i18n'
import Vuex from "vuex"
import iView from 'view-design'
import {mount,createLocalVue} from '@vue/test-utils'
// @ts-ignore
import FormAccountName from '@/views/forms/FormAccountName/FormAccountName'
const localVue = createLocalVue()
localVue.use(Vuex)
localVue.use(iView)
localVue.use(VueI18n)
describe('test description',()=>{
    test('test example',async ()=>{
        const wrapper = mount(FormAccountName,{
            localVue,
            mocks: {
                $t: () => 'this is a label',
                formItems: {
                    name: '<a>'
                }
            },
        })
        expect(wrapper).toMatchSnapshot()
    })
})

unique error message

The snapshot was generated successfully, but an unexpected error occurred

[Vue warn]: Error in nextTick: "TypeError: document.createRange is not a function"

found in

---> <Tooltip>
       <ErrorTooltipTs>
         <ValidationProvider>
           <FormRow>
             <ValidationObserver>
               <FormWrapper>
                 <FormAccountNameUpdateTs>
                   <Root>

Even though I initialized the iView tag, an error occurred. I am unsure of what went wrong. Can someone offer assistance?

typescriptunit-testingvue.jsjestjsiview

Answer №1

let newRange = document.createRange();
newRange.setStart = () => {}
newRange.setEnd = () => {}
//@ts-ignore
newRange.commonAncestorContainer = {
  nodeName: "HTML",
  ownerDocument: document,
}

Answer №2

To include the following configuration mock code, add it to either pollyfill.js or testSetup:

global.document.createRange = () => ({
        setStart: () => {},
        setEnd: () => {},
        commonAncestorContainer: {
            nodeName: 'BODY',
            ownerDocument: document
        },
        createContextualFragment: jest.fn
    });

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