Files
openlayers/test/spec/ol/control/zoomslider.test.js
2013-03-14 09:37:35 +01:00

108 lines
3.1 KiB
JavaScript

goog.provide('ol.test.control.ZoomSlider');
describe('ol.control.ZoomSlider', function() {
var map, zoomslider;
beforeEach(function() {
map = new ol.Map({
target: document.getElementById('map')
});
zoomslider = new ol.control.ZoomSlider({
minResolution: 5000,
maxResolution: 100000,
map: map
});
});
afterEach(function() {
zoomslider.dispose();
map.dispose();
});
describe('configuration & defaults', function() {
it('has valid defaults for min and maxresolution', function() {
expect(function() {
zoomslider = new ol.control.ZoomSlider({});
}).not.toThrow();
expect(zoomslider.minResolution_).toBe(500);
expect(zoomslider.maxResolution_).toBe(1000000);
expect(zoomslider.range_).toBe(999500);
});
it('throws exception when configured with wrong resolutions', function() {
expect(function() {
zoomslider = new ol.control.ZoomSlider({
minResolution: 50,
maxResolution: 0
});
}).toThrow();
});
it('can be configured with valid resolutions', function() {
expect(function() {
zoomslider = new ol.control.ZoomSlider({
minResolution: 790,
maxResolution: 91000
});
}).not.toThrow();
expect(zoomslider.minResolution_).toBe(790);
expect(zoomslider.maxResolution_).toBe(91000);
expect(zoomslider.range_).toBe(90210);
});
});
describe('DOM creation', function() {
it('creates the expected DOM elements', function() {
var zoomSliderContainers = goog.dom.getElementsByClass('ol-zoomslider'),
zoomSliderContainer,
zoomSliderThumbs,
zoomSliderThumb,
hasUnselectableCls;
expect(zoomSliderContainers.length).toBe(1);
zoomSliderContainer = zoomSliderContainers[0];
expect(zoomSliderContainer instanceof HTMLDivElement).toBe(true);
hasUnselectableCls = goog.dom.classes.has(zoomSliderContainer,
'ol-unselectable');
expect(hasUnselectableCls).toBe(true);
zoomSliderThumbs = goog.dom.getElementsByClass('ol-zoomslider-thumb',
zoomSliderContainer);
expect(zoomSliderThumbs.length).toBe(1);
zoomSliderThumb = zoomSliderThumbs[0];
expect(zoomSliderThumb instanceof HTMLDivElement).toBe(true);
hasUnselectableCls = goog.dom.classes.has(zoomSliderThumb,
'ol-unselectable');
expect(hasUnselectableCls).toBe(true);
});
});
describe('dragger setup', function() {
it('creates a goog.fx.Dragger', function() {
expect(zoomslider.dragger_).toBeDefined();
expect(zoomslider.dragger_).toBeA(goog.fx.Dragger);
expect(zoomslider.dragger_.limits).toBeDefined();
expect(zoomslider.dragger_.limits).toBeA(goog.math.Rect);
expect(zoomslider.direction_).toBeDefined();
expect(zoomslider.direction_).toBe(1); // vertical
});
});
});
goog.require('goog.dom');
goog.require('goog.dom.classes');
goog.require('goog.fx.Dragger');
goog.require('goog.math.Rect');
goog.require('goog.style');
goog.require('ol.Map');
goog.require('ol.control.ZoomSlider');