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import React from 'react'
import TestUtils from 'react-addons-test-utils'
import TodoItem from './TodoItem'
import TodoTextInput from './TodoTextInput'
const setup = ( editing = false ) => {
const props = {
todo: {
id: 0,
text: 'Use Redux',
completed: false
},
editTodo: jest.fn(),
deleteTodo: jest.fn(),
completeTodo: jest.fn()
}
const renderer = TestUtils.createRenderer()
renderer.render(
<TodoItem {...props} />
)
let output = renderer.getRenderOutput()
if (editing) {
const label = output.props.children.props.children[1]
label.props.onDoubleClick({})
output = renderer.getRenderOutput()
}
return {
props: props,
output: output,
renderer: renderer
}
}
describe('components', () => {
describe('TodoItem', () => {
it('initial render', () => {
const { output } = setup()
expect(output.type).toBe('li')
expect(output.props.className).toBe('')
const div = output.props.children
expect(div.type).toBe('div')
expect(div.props.className).toBe('view')
const [ input, label, button ] = div.props.children
expect(input.type).toBe('input')
expect(input.props.checked).toBe(false)
expect(label.type).toBe('label')
expect(label.props.children).toBe('Use Redux')
expect(button.type).toBe('button')
expect(button.props.className).toBe('destroy')
})
it('input onChange should call completeTodo', () => {
const { output, props } = setup()
const input = output.props.children.props.children[0]
input.props.onChange({})
expect(props.completeTodo).toBeCalledWith(0)
})
it('button onClick should call deleteTodo', () => {
const { output, props } = setup()
const button = output.props.children.props.children[2]
button.props.onClick({})
expect(props.deleteTodo).toBeCalledWith(0)
})
it('label onDoubleClick should put component in edit state', () => {
const { output, renderer } = setup()
const label = output.props.children.props.children[1]
label.props.onDoubleClick({})
const updated = renderer.getRenderOutput()
expect(updated.type).toBe('li')
expect(updated.props.className).toBe('editing')
})
it('edit state render', () => {
const { output } = setup(true)
expect(output.type).toBe('li')
expect(output.props.className).toBe('editing')
const input = output.props.children
expect(input.type).toBe(TodoTextInput)
expect(input.props.text).toBe('Use Redux')
expect(input.props.editing).toBe(true)
})
it('TodoTextInput onSave should call editTodo', () => {
const { output, props } = setup(true)
output.props.children.props.onSave('Use Redux')
expect(props.editTodo).toBeCalledWith(0, 'Use Redux')
})
it('TodoTextInput onSave should call deleteTodo if text is empty', () => {
const { output, props } = setup(true)
output.props.children.props.onSave('')
expect(props.deleteTodo).toBeCalledWith(0)
})
it('TodoTextInput onSave should exit component from edit state', () => {
const { output, renderer } = setup(true)
output.props.children.props.onSave('Use Redux')
const updated = renderer.getRenderOutput()
expect(updated.type).toBe('li')
expect(updated.props.className).toBe('')
})
})
})
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