107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
goog.provide('ol.test.control.ZoomSlider');
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describe('ol.control.ZoomSlider', function() {
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var map, zoomslider;
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beforeEach(function() {
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map = new ol.Map({
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target: document.getElementById('map')
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});
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zoomslider = new ol.control.ZoomSlider({
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minResolution: 5000,
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maxResolution: 100000,
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map: map
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});
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});
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afterEach(function() {
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zoomslider.dispose();
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map.dispose();
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});
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describe('configuration & defaults', function() {
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it('has valid defaults for min and maxresolution', function() {
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var zoomslider,
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expectedMin = 0.5971642833948135,
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expectedMax = 156543.0339,
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expectedRange = expectedMax - expectedMin;
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expect(function() {
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zoomslider = new ol.control.ZoomSlider({});
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}).not.to.throwException();
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expect(zoomslider.minResolution_).to.be(expectedMin);
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expect(zoomslider.maxResolution_).to.be(expectedMax);
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expect(zoomslider.range_).to.be(expectedRange);
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});
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it('throws exception when configured with wrong resolutions', function() {
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expect(function() {
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zoomslider = new ol.control.ZoomSlider({
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minResolution: 50,
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maxResolution: 0
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});
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}).to.throwException();
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});
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it('can be configured with valid resolutions', function() {
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expect(function() {
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zoomslider = new ol.control.ZoomSlider({
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minResolution: 790,
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maxResolution: 91000
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});
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}).not.to.throwException();
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expect(zoomslider.minResolution_).to.be(790);
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expect(zoomslider.maxResolution_).to.be(91000);
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expect(zoomslider.range_).to.be(90210);
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});
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});
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describe('DOM creation', function() {
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it('creates the expected DOM elements', function() {
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var zoomSliderContainers = goog.dom.getElementsByClass('ol-zoomslider'),
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zoomSliderContainer,
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zoomSliderThumbs,
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zoomSliderThumb,
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hasUnselectableCls;
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expect(zoomSliderContainers.length).to.be(1);
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zoomSliderContainer = zoomSliderContainers[0];
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expect(zoomSliderContainer instanceof HTMLDivElement).to.be(true);
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hasUnselectableCls = goog.dom.classes.has(zoomSliderContainer,
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'ol-unselectable');
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expect(hasUnselectableCls).to.be(true);
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zoomSliderThumbs = goog.dom.getElementsByClass('ol-zoomslider-thumb',
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zoomSliderContainer);
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expect(zoomSliderThumbs.length).to.be(1);
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zoomSliderThumb = zoomSliderThumbs[0];
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expect(zoomSliderThumb instanceof HTMLDivElement).to.be(true);
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hasUnselectableCls = goog.dom.classes.has(zoomSliderThumb,
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'ol-unselectable');
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expect(hasUnselectableCls).to.be(true);
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});
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});
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describe('dragger setup', function() {
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it('creates a goog.fx.Dragger', function() {
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expect(zoomslider.dragger_ instanceof goog.fx.Dragger).to.be(true);
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expect(zoomslider.dragger_.limits instanceof goog.math.Rect).to.be(true);
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var horizontal = ol.control.ZoomSlider.direction.HORIZONTAL;
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expect(zoomslider.direction_).to.be(horizontal); // vertical
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});
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});
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});
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goog.require('goog.dom');
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goog.require('goog.dom.classes');
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goog.require('goog.fx.Dragger');
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goog.require('goog.math.Rect');
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goog.require('ol.Map');
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goog.require('ol.control.ZoomSlider');
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