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import { initChart } from './c3-helper'
describe('c3 chart zoom', function() {
'use strict'
var chart
var args = {
data: {
columns: [
['data1', 30, 200, 100, 400, 3150, 250],
['data2', 50, 20, 10, 40, 15, 6025]
]
},
zoom: {
enabled: true,
initialRange: [1, 2]
},
subchart: {
show: true
}
}
beforeEach(function(done) {
chart = initChart(chart, args, done)
})
describe('default extent', function() {
describe('main chart domain', function() {
it('should have original y domain', function() {
var yDomain = chart.internal.y.domain(),
expectedYDomain = [-591.5, 6626.5]
expect(yDomain[0]).toBe(expectedYDomain[0])
expect(yDomain[1]).toBe(expectedYDomain[1])
})
})
describe('main chart domain', function() {
it('should have original y domain in subchart', function() {
var yDomain = chart.internal.y.domain(),
subYDomain = chart.internal.subY.domain()
expect(subYDomain[0]).toBe(yDomain[0])
expect(subYDomain[1]).toBe(yDomain[1])
})
})
describe('main chart domain', function() {
it('should have specified brush extent', function() {
var brushSelection = chart.internal.brush.selectionAsValue(),
expectedBrushSelection = [1, 2]
expect(brushSelection[0]).toBeCloseTo(expectedBrushSelection[0], 1)
expect(brushSelection[1]).toBeCloseTo(expectedBrushSelection[1], 1)
})
})
})
})