react-toolbox/components/progress_bar/__test__/index.spec.cjsx

49 lines
2.4 KiB
CoffeeScript

TestUtils = React.addons.TestUtils
expect = require('expect')
utils = require('../../utils/testing')
ProgressBar = require('../index')
describe 'ProgressBar', ->
describe '#calculateRatio', ->
before ->
@progressBar = utils.renderComponent(ProgressBar, { min: 100, max: 300 })
it 'calculates the right ratio', ->
expect(@progressBar.calculateRatio(150)).toEqual(0.25)
it 'gets 0 when value is less than min', ->
expect(@progressBar.calculateRatio(10)).toEqual(0)
it 'gets 1 when value is more than max', ->
expect(@progressBar.calculateRatio(400)).toEqual(1)
describe '#render', ->
it 'renders the value and buffer bars when it is linear', ->
progressBarWrapper = utils.shallowRenderComponent(ProgressBar).props.children
expect(progressBarWrapper.props.children.length).toEqual(2)
expect(progressBarWrapper.props.children[0].ref).toEqual('buffer')
expect(progressBarWrapper.props.children[1].ref).toEqual('value')
it 'renders the proper scaleX for buffer and value when its linear and determinate', ->
progressBar = utils.shallowRenderComponent(ProgressBar, {mode: 'determinate', value: 30, buffer: 60})
buffer = (progressBar.props.children.props.children[0])
value = (progressBar.props.children.props.children[1])
expect(buffer.props.style.transform).toEqual("scaleX(#{0.6})")
expect(value.props.style.transform).toEqual("scaleX(#{0.3})")
it 'renders the svg circle when it is circular', ->
progressBar = utils.shallowRenderComponent(ProgressBar, {type: 'circular'})
expect(progressBar.props.children.type).toEqual('svg')
expect(progressBar.props.children.props.children.type).toEqual('circle')
it 'renders the proper circle length style when it is circular and determinate', ->
progressBar = utils.shallowRenderComponent(ProgressBar, {type: 'circular', mode: 'determinate', value: 30})
circle = progressBar.props.children.props.children
strokeLength = 2 * Math.PI * circle.props.r * 0.3
expect(circle.props.style.strokeDasharray).toEqual("#{strokeLength}, 400")
it 'contains mode and className in its className', ->
progressBar = utils.shallowRenderComponent(ProgressBar, {mode: 'determinate', className: 'tight'})
expect(progressBar.props.className).toContain('determinate')
expect(progressBar.props.className).toContain('tight')