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jest.mock('../../components/EventLog/EventList')
import React from 'react'
import renderer from 'react-test-renderer'
import TestUtils from 'react-dom/test-utils'
import EventLog, { PureEventLog } from '../../components/EventLog'
import { Provider } from 'react-redux'
import { TStore } from '../ducks/tutils'
window.addEventListener = jest.fn()
window.removeEventListener = jest.fn()
describe('EventLog Component', () => {
let store = TStore(),
provider = renderer.create(
<Provider store={store}>
<EventLog/>
</Provider>),
tree = provider.toJSON()
it('should connect to state and render correctly', () => {
expect(tree).toMatchSnapshot()
})
it('should handle toggleFilter', () => {
let debugToggleButton = tree.children[0].children[1].children[0]
debugToggleButton.props.onClick()
})
provider = TestUtils.renderIntoDocument(
<Provider store={store}><EventLog/></Provider>)
let eventLog = TestUtils.findRenderedComponentWithType(provider, PureEventLog),
mockEvent = { preventDefault: jest.fn() }
it('should handle DragStart', () => {
eventLog.onDragStart(mockEvent)
expect(mockEvent.preventDefault).toBeCalled()
expect(window.addEventListener).toBeCalledWith('mousemove', eventLog.onDragMove)
expect(window.addEventListener).toBeCalledWith('mouseup', eventLog.onDragStop)
expect(window.addEventListener).toBeCalledWith('dragend', eventLog.onDragStop)
mockEvent.preventDefault.mockClear()
})
it('should handle DragMove', () => {
eventLog.onDragMove(mockEvent)
expect(mockEvent.preventDefault).toBeCalled()
mockEvent.preventDefault.mockClear()
})
console.error = jest.fn() // silent the error.
it('should handle DragStop', () => {
eventLog.onDragStop(mockEvent)
expect(mockEvent.preventDefault).toBeCalled()
expect(window.removeEventListener).toBeCalledWith('mousemove', eventLog.onDragMove)
})
})
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