64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
import React from 'react'
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import Adapter from 'enzyme-adapter-react-15'
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import { configure, mount, shallow, render } from 'enzyme'
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import { MemoryRouter } from 'react-router'
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import { ButtonChooseCrowdsale } from '../../../src/components/Home/ButtonChooseCrowdsale'
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configure({ adapter: new Adapter() })
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describe('ButtonChooseCrowdsale', () => {
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const history = {
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push: jest.fn()
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}
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it('should render screen with shallow without throwing an error', () => {
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const wrapper = shallow(<ButtonChooseCrowdsale />)
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expect(wrapper).toMatchSnapshot()
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})
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it('should render screen with mount without throwing an error', () => {
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// Given
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const wrapper = mount(
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<MemoryRouter initialEntries={['/']}>
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<ButtonChooseCrowdsale />
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</MemoryRouter>
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)
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// When
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const tree = wrapper.find('.hm-ButtonChooseCrowdsale')
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// Then
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expect(tree).toHaveLength(1)
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})
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it('should render screen with render without throwing an error', () => {
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// Given
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const wrapper = render(
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<MemoryRouter initialEntries={['/']}>
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<ButtonChooseCrowdsale />
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</MemoryRouter>
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)
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// When
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const tree = wrapper.html()
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// Then
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expect(tree).toMatchSnapshot()
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})
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it(`should simulate click`, () => {
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// Given
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const wrapper = shallow(<ButtonChooseCrowdsale history={history} />)
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const instance = wrapper.instance()
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const goToCrowdsalesHandler = jest.spyOn(instance, 'goToCrowdsales')
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instance.forceUpdate()
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// When
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const buttonChooseCrowdsale = wrapper.find('.hm-ButtonChooseCrowdsale')
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buttonChooseCrowdsale.simulate('click')
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// Then
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expect(buttonChooseCrowdsale.length).toBe(1)
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expect(goToCrowdsalesHandler).toHaveBeenCalledTimes(1)
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})
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})
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