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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'
const mockSelectReturn = {
...d3.select('div'),
node: () => ({
getBoundingClientRect: () => ({ x: 123, y: 321, width: 400 }),
}),
empty: sinon.spy(),
remove: sinon.spy(),
style: sinon.spy(),
select: d3.select,
attr: sinon.spy(),
on: sinon.spy(),
}
const GasPriceChart = proxyquire('../gas-price-chart.component.js', {
'c3': {
generate: function ({ data: { columns } }) {
return {
internal: {
showTooltip: () => {},
showXGridFocus: () => {},
hideXGridFocus: () => {},
data: {
xs: {
[columns[1][0]]: columns[1].slice(1),
},
},
},
}
},
},
'd3': {
...d3,
select: function (...args) {
const result = d3.select(...args)
return result.empty()
? mockSelectReturn
: result
},
},
}).default
describe('GasPriceChart Component', function () {
let wrapper
beforeEach(() => {
wrapper = shallow(<GasPriceChart
priceAndTimeEstimates={[
{ gasprice: 1, expectedTime: 10 },
{ gasprice: 2, expectedTime: 20 },
{ gasprice: 3, expectedTime: 30 },
]}
/>)
})
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')
})
})
})
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