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