app_vue2/tests/unit/composables/form/useForm.spec.ts

import {createStore, initLocalVue, mountComposition} from '~/tests/unit/Helpers'
import { form } from '~/tests/unit/fixture/state/profile'
import { $useForm, UseForm } from '~/composables/form/useForm'
import { AnyStore } from '~/types/interfaces'

let store: AnyStore

beforeAll(() => {
  store = createStore()
  store.registerModule('form', form)
  initLocalVue({store: store})
})


describe('markFormAsDirty()', () => {
  it('should call addEventListener one time', async () => {
    const spy = jest.spyOn(UseForm.prototype as any, 'addEventListener')
    spy.mockImplementation(() => {})

    const component = mountComposition(() => {
      const {markFormAsDirty} = $useForm();
      markFormAsDirty()
      expect(spy).toHaveBeenCalled()
    });
  })
})

describe('markAsNotDirty()', () => {
  it('should call clearEventListener one time', async () => {
    const spy = jest.spyOn(UseForm.prototype as any, 'clearEventListener')
    spy.mockImplementation(() => {})

    const component = mountComposition(() => {
      const { markFormAsNotDirty } = $useForm()
      markFormAsNotDirty()
      expect(spy).toHaveBeenCalled()
    });

  })
})