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import React from 'react'
import assert from 'assert'
import proxyquire from 'proxyquire'
import sinon from 'sinon'
import shallow from '../../../../../lib/shallow-with-context'
import * as d3 from 'd3'
function timeout (time) {
return new Promise((resolve, reject) => {
setTimeout(resolve, time)
})
}
const propsMethodSpies = {
updateCustomGasPrice: sinon.spy(),
}
const selectReturnSpies = {
empty: sinon.spy(),
remove: sinon.spy(),
style: sinon.spy(),
select: d3.select,
attr: sinon.spy(),
on: sinon.spy(),
datum: sinon.stub().returns({ x: 'mockX' }),
}
const mockSelectReturn = {
...d3.select('div'),
node: () => ({
getBoundingClientRect: () => ({ x: 123, y: 321, width: 400 }),
}),
...selectReturnSpies,
}
const gasPriceChartUtilsSpies = {
appendOrUpdateCircle: sinon.spy(),
generateChart: sinon.stub().returns({ mockChart: true }),
generateDataUIObj: sinon.spy(),
getAdjacentGasPrices: sinon.spy(),
getCoordinateData: sinon.stub().returns({ x: 'mockCoordinateX', width: 'mockWidth' }),
getNewXandTimeEstimate: sinon.spy(),
handleChartUpdate: sinon.spy(),
hideDataUI: sinon.spy(),
setSelectedCircle: sinon.spy(),
setTickPosition: sinon.spy(),
handleMouseMove: sinon.spy(),
}
const testProps = {
gasPrices: [1.5, 2.5, 4, 8],
estimatedTimes: [100, 80, 40, 10],
gasPricesMax: 9,
estimatedTimesMax: '100',
currentPrice: 6,
updateCustomGasPrice: propsMethodSpies.updateCustomGasPrice,
}
const GasPriceChart = proxyquire('../gas-price-chart.component.js', {
'./gas-price-chart.utils.js': gasPriceChartUtilsSpies,
'd3': {
...d3,
select: function (...args) {
const result = d3.select(...args)
return result.empty()
? mockSelectReturn
: result
},
event: {
clientX: 'mockClientX',
},
},
}).default
sinon.spy(GasPriceChart.prototype, 'renderChart')
describe('GasPriceChart Component', function () {
let wrapper
beforeEach(() => {
wrapper = shallow(<GasPriceChart {...testProps} />)
})
describe('render()', () => {
it('should render', () => {
assert(wrapper.hasClass('gas-price-chart'))
})
it('should render the chart div', () => {
assert(wrapper.childAt(0).hasClass('gas-price-chart__root'))
assert.equal(wrapper.childAt(0).props().id, 'chart')
})
})
describe('componentDidMount', () => {
it('should call this.renderChart with the components props', () => {
assert(GasPriceChart.prototype.renderChart.callCount, 1)
wrapper.instance().componentDidMount()
assert(GasPriceChart.prototype.renderChart.callCount, 2)
assert.deepEqual(GasPriceChart.prototype.renderChart.getCall(1).args, [{...testProps}])
})
})
describe('componentDidUpdate', () => {
it('should call handleChartUpdate if props.currentPrice has changed', () => {
gasPriceChartUtilsSpies.handleChartUpdate.resetHistory()
wrapper.instance().componentDidUpdate({ currentPrice: 7 })
assert.equal(gasPriceChartUtilsSpies.handleChartUpdate.callCount, 1)
})
it('should call handleChartUpdate with the correct props', () => {
gasPriceChartUtilsSpies.handleChartUpdate.resetHistory()
wrapper.instance().componentDidUpdate({ currentPrice: 7 })
assert.deepEqual(gasPriceChartUtilsSpies.handleChartUpdate.getCall(0).args, [{
chart: { mockChart: true },
gasPrices: [1.5, 2.5, 4, 8],
newPrice: 6,
cssId: '#set-circle',
}])
})
it('should not call handleChartUpdate if props.currentPrice has not changed', () => {
gasPriceChartUtilsSpies.handleChartUpdate.resetHistory()
wrapper.instance().componentDidUpdate({ currentPrice: 6 })
assert.equal(gasPriceChartUtilsSpies.handleChartUpdate.callCount, 0)
})
})
describe('renderChart', () => {
it('should call setTickPosition 4 times, with the expected props', async () => {
await timeout(0)
gasPriceChartUtilsSpies.setTickPosition.resetHistory()
assert.equal(gasPriceChartUtilsSpies.setTickPosition.callCount, 0)
wrapper.instance().renderChart(testProps)
await timeout(0)
assert.equal(gasPriceChartUtilsSpies.setTickPosition.callCount, 4)
assert.deepEqual(gasPriceChartUtilsSpies.setTickPosition.getCall(0).args, ['y', 0, -5, 8])
assert.deepEqual(gasPriceChartUtilsSpies.setTickPosition.getCall(1).args, ['y', 1, -3, -5])
assert.deepEqual(gasPriceChartUtilsSpies.setTickPosition.getCall(2).args, ['x', 0, 3])
assert.deepEqual(gasPriceChartUtilsSpies.setTickPosition.getCall(3).args, ['x', 1, 3, -8])
})
it('should call handleChartUpdate with the correct props', async () => {
await timeout(0)
gasPriceChartUtilsSpies.handleChartUpdate.resetHistory()
wrapper.instance().renderChart(testProps)
await timeout(0)
assert.deepEqual(gasPriceChartUtilsSpies.handleChartUpdate.getCall(0).args, [{
chart: { mockChart: true },
gasPrices: [1.5, 2.5, 4, 8],
newPrice: 6,
cssId: '#set-circle',
}])
})
it('should add three events to the chart', async () => {
await timeout(0)
selectReturnSpies.on.resetHistory()
assert.equal(selectReturnSpies.on.callCount, 0)
wrapper.instance().renderChart(testProps)
await timeout(0)
assert.equal(selectReturnSpies.on.callCount, 3)
const firstOnEventArgs = selectReturnSpies.on.getCall(0).args
assert.equal(firstOnEventArgs[0], 'mouseout')
const secondOnEventArgs = selectReturnSpies.on.getCall(1).args
assert.equal(secondOnEventArgs[0], 'click')
const thirdOnEventArgs = selectReturnSpies.on.getCall(2).args
assert.equal(thirdOnEventArgs[0], 'mousemove')
})
it('should hide the data UI on mouseout', async () => {
await timeout(0)
selectReturnSpies.on.resetHistory()
wrapper.instance().renderChart(testProps)
gasPriceChartUtilsSpies.hideDataUI.resetHistory()
await timeout(0)
const mouseoutEventArgs = selectReturnSpies.on.getCall(0).args
assert.equal(gasPriceChartUtilsSpies.hideDataUI.callCount, 0)
mouseoutEventArgs[1]()
assert.equal(gasPriceChartUtilsSpies.hideDataUI.callCount, 1)
assert.deepEqual(gasPriceChartUtilsSpies.hideDataUI.getCall(0).args, [{ mockChart: true }, '#overlayed-circle'])
})
it('should updateCustomGasPrice on click', async () => {
await timeout(0)
selectReturnSpies.on.resetHistory()
wrapper.instance().renderChart(testProps)
propsMethodSpies.updateCustomGasPrice.resetHistory()
await timeout(0)
const mouseoutEventArgs = selectReturnSpies.on.getCall(1).args
assert.equal(propsMethodSpies.updateCustomGasPrice.callCount, 0)
mouseoutEventArgs[1]()
assert.equal(propsMethodSpies.updateCustomGasPrice.callCount, 1)
assert.equal(propsMethodSpies.updateCustomGasPrice.getCall(0).args[0], 'mockX')
})
it('should handle mousemove', async () => {
await timeout(0)
selectReturnSpies.on.resetHistory()
wrapper.instance().renderChart(testProps)
gasPriceChartUtilsSpies.handleMouseMove.resetHistory()
await timeout(0)
const mouseoutEventArgs = selectReturnSpies.on.getCall(2).args
assert.equal(gasPriceChartUtilsSpies.handleMouseMove.callCount, 0)
mouseoutEventArgs[1]()
assert.equal(gasPriceChartUtilsSpies.handleMouseMove.callCount, 1)
assert.deepEqual(gasPriceChartUtilsSpies.handleMouseMove.getCall(0).args, [{
xMousePos: 'mockClientX',
chartXStart: 'mockCoordinateX',
chartWidth: 'mockWidth',
gasPrices: testProps.gasPrices,
estimatedTimes: testProps.estimatedTimes,
chart: { mockChart: true },
}])
})
})
})
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