react-widgets/test/numberpicker.jsx

React widgets

require('../vendor/phantomjs-shim')

var React = require('react/addons');
var NumberPicker = require('../src/pickers/numberpicker.jsx')
  , _ = require('lodash');

//console.log(sinon)
var TestUtils = React.addons.TestUtils
  , render = TestUtils.renderIntoDocument
  , findTag = TestUtils.findRenderedDOMComponentWithTag
  , findClass = TestUtils.findRenderedDOMComponentWithClass
  , findAllTag = TestUtils.scryRenderedDOMComponentsWithTag
  , findAllClass = TestUtils.scryRenderedDOMComponentsWithClass
  , findType = TestUtils.findRenderedComponentWithType
  , findAllType = TestUtils.scryRenderedComponentWithType
  , trigger = TestUtils.Simulate;

describe('Numberpicker', function(){
  var data = [
    { label: 'jimmy', id: 0 },
    { label: 'sally', id: 1 },
    { label: 'pat', id: 2 }
  ];

  it('should set values correctly', function(done){
    var picker = render(<NumberPicker value={15} format='D' onChange={_.noop} />)
      , input  = findClass(picker, 'rw-input').getDOMNode();

    expect(input.value).to.be('15');

    picker.setProps({ value: null }, function(){
      expect(input.value).to.be('');

      picker.setProps({ value: null, min: 10 }, function(){
        //only allow null when min is not set
        expect(input.value).to.be('10');

        picker.setProps({ value: 20, max: 10 }, function(){
          expect(input.value).to.be('10');

          picker.setProps({ value: 10, format: 'c' }, function(){
            expect(input.value).to.be('$10.00');
            done()
          })
        })
      })
    })
  })

  it('should not fire change until there is a valid value', function(done){
    var change = sinon.spy()
      , picker = render(<NumberPicker value={150} format='D' min={100} onChange={change} />)
      , input  = findClass(picker, 'rw-input').getDOMNode();

    input.value = '15'
    trigger.change(input)

    expect(change.called).to.be(false);
    expect(input.value).to.be('15');

    input.value = '154'
    trigger.change(input)
    expect(change.calledOnce).to.be(true);

    //should call change on a null value when no min
    change.reset()
    picker.setProps({ value: 15, min: -Infinity }, function(){

      input.value = ''
      trigger.change(input)
      expect(change.calledOnce).to.be(true)
      done()
    })
  })

  it('should change value when spinner is clicked', function(){
    var change = sinon.spy()
      , picker = render(<NumberPicker value={1} format='D' onChange={change} />)
      , upBtn  = findClass(picker, 'rw-select').getDOMNode().children[0]
      , dwnBtn  = findClass(picker, 'rw-select').getDOMNode().children[1]
      , input  = findClass(picker, 'rw-input').getDOMNode();

    //increment
    expect(input.value).to.be('1')
    trigger.mouseDown(upBtn)
    trigger.mouseUp(upBtn)

    expect(change.calledOnce).to.be(true)
    expect(change.args[0][0]).to.be(2)

    //decrement
    trigger.mouseDown(dwnBtn)
    trigger.mouseUp(dwnBtn)

    expect(change.calledTwice).to.be(true)
    expect(change.args[1][0]).to.be(0)
  })

  it('should do nothing when disabled', function(){
    var change = sinon.spy()
      , picker = render(<NumberPicker value={0} disabled={true} onChange={change} />)
      , input  = findClass(picker, 'rw-input').getDOMNode()
      , upBtn  = findClass(picker, 'rw-select').getDOMNode().children[0]
      , dwnBtn = findClass(picker, 'rw-select').getDOMNode().children[1];

    trigger.focus(input)

    setTimeout(function(){
      expect(picker.getDOMNode().className).to.not.match(/\brw-state-focus\b/)
      expect(picker.getDOMNode().className).to.match(/\brw-state-disabled\b/)
      expect(input.hasAttribute('aria-disabled')).to.be(true)
      expect(input.getAttribute('aria-disabled')).to.be('true')

      trigger.mouseDown(upBtn)
      trigger.mouseDown(dwnBtn)
      expect(change.called).to.be(false)
    }, 0)
  })

  it('should do nothing when readonly', function(){
    var change = sinon.spy()
      , picker = render(<NumberPicker value={0} readOnly={true} onChange={change} />)
      , input  = findClass(picker, 'rw-input').getDOMNode()
      , upBtn  = findClass(picker, 'rw-select').getDOMNode().children[0]
      , dwnBtn = findClass(picker, 'rw-select').getDOMNode().children[1];

    trigger.focus(input)

    setTimeout(function(){
      expect(picker.getDOMNode().className).to.match(/\brw-state-focus\b/)
      expect(picker.getDOMNode().className).to.match(/\brw-state-readonly\b/)
      expect(input.hasAttribute('aria-readonly')).to.be(true)
      expect(input.getAttribute('aria-readonly')).to.be('true')

      trigger.mouseDown(upBtn)
      trigger.mouseDown(dwnBtn)
      expect(change.called).to.be(false)
    }, 0)

  })

  it('should change values on key down', function(done){
    var change = sinon.spy()
      , picker = render(<NumberPicker value={10} onChange={change} />)
      , input  = picker.getDOMNode();

    trigger.keyDown(input, { key: 'End'})
    trigger.keyDown(input, { key: 'Home'})
    expect(change.called).to.be(false)

    trigger.keyDown(input, { key: 'ArrowDown'})
    expect(change.calledOnce).to.be(true)
    expect(change.calledWith(9)).to.be(true)

    change.reset()

    trigger.keyDown(input, { key: 'ArrowUp'})
    expect(change.calledOnce).to.be(true)
    expect(change.calledWith(11)).to.be(true)

    change.reset()

    picker.setProps({ min: 5, max: 15 }, function(){

      trigger.keyDown(input, { key: 'End'})
      expect(change.calledOnce).to.be(true)
      expect(change.calledWith(15)).to.be(true)

      change.reset()

      trigger.keyDown(input, { key: 'Home'})

      expect(change.calledOnce).to.be(true)
      expect(change.calledWith(5)).to.be(true)

      done()
    })
  })
})