You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

134 lines
3.3 KiB

import { initChart } from './c3-helper'
describe('c3 api zoom', function() {
'use strict'
var chart, args
beforeEach(function(done) {
chart = initChart(chart, args, done)
})
describe('zoom', function() {
beforeAll(function() {
args = {
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 50, 20, 10, 40, 15, 25],
['data3', 150, 120, 110, 140, 115, 125]
]
},
zoom: {
enabled: true
}
}
})
it('should return the correct extent', function() {
var zoomDomain = chart.zoom(),
expectedDomain = chart.internal.x.domain()
expect(+zoomDomain[0]).toBe(+expectedDomain[0])
expect(+zoomDomain[1]).toBe(+expectedDomain[1])
})
it('should be zoomed properly', function() {
var target = [3, 5],
domain
chart.zoom(target)
domain = chart.internal.x.domain()
expect(domain[0]).toBe(target[0])
expect(domain[1]).toBe(target[1])
})
it('should be zoomed properly again', function() {
var target = [1, 4],
domain
chart.zoom(target)
domain = chart.internal.x.domain()
expect(domain[0]).toBe(target[0])
expect(domain[1]).toBe(target[1])
})
it('should set the max zoom properly', function() {
chart.zoom.max(100)
expect(chart.zoom.max()).toBe(100)
})
it('should set the min zoom properly', function() {
chart.zoom.min(-1)
expect(chart.zoom.min()).toBe(-1)
})
describe('with timeseries data', function() {
beforeAll(function() {
args = {
data: {
x: 'date',
columns: [
['date', '2014-01-01', '2014-01-02', '2014-08-01', '2014-10-19'],
['data1', 30, 200, 100, 400]
]
},
axis: {
x: {
type: 'timeseries'
}
},
zoom: {
enabled: true
}
}
})
it('should be zoomed properly', function() {
var target = [new Date(2014, 7, 1), new Date(2014, 8, 1)],
domain
chart.zoom(target)
domain = chart.internal.x.domain()
expect(+domain[0]).toBe(+target[0])
expect(+domain[1]).toBe(+target[1])
})
it('should be zoomed properly', function() {
var target = ['2014-08-01', '2014-09-01'],
domain
chart.zoom(target)
domain = chart.internal.x.domain()
expect(+domain[0]).toBe(+chart.internal.parseDate(target[0]))
expect(+domain[1]).toBe(+chart.internal.parseDate(target[1]))
})
})
})
describe('unzoom', function() {
beforeAll(function() {
args = {
data: {
columns: [['data1', 30, 200, 100, 400, 150, 250]]
},
zoom: {
enabled: true
}
}
})
it('should be unzoomed properly', function() {
var target = [1, 4],
orginal = chart.internal.x.domain(),
domain
chart.zoom(target)
domain = chart.internal.x.domain()
expect(domain[0]).toBe(target[0])
expect(domain[1]).toBe(target[1])
chart.unzoom()
domain = chart.internal.x.domain()
expect(domain[0]).toBe(orginal[0])
expect(domain[1]).toBe(orginal[1])
})
})
})