test.spec.js

import React from 'react'
import configureStore from 'redux-mock-store'
import { shallow } from 'enzyme'
import Page from 'components/Page'
import { Provider } from 'react-redux'

const mockStore = configureStore({
  cobrand: '',
  user: {},
  activeInstalls: false,
  activeInstall: false,
})

describe('Page', () => {
  const onClick = jest.fn()
  let page

  beforeEach(() => {
    page = shallow(<Provider store={mockStore()}><Page /></Provider>)
  })

  it('should match snapshot', () => {
    expect(Page).toMatchSnapshot()
  })

  it('should have header large classname if props.header is large', () => {
    page.setProps({
      header: 'large',
    })
    expect(page.find('.mm-header-large')).toBeTruthy()
  })

  it('should have header classname if props.header is not large', () => {
    page.setProps({
      header: false,
    })
    expect(page.find('.mm-header-large')).toBeTruthy()
  })
})