Files
openlayers/test/spec/ol/interaction/snapinteraction.test.js
2015-04-24 09:26:31 +02:00

77 lines
1.8 KiB
JavaScript

goog.provide('ol.test.interaction.Snap');
describe('ol.interaction.Snap', function() {
describe('constructor', function() {
it('can be constructed without arguments', function() {
var instance = new ol.interaction.Snap();
expect(instance).to.be.an(ol.interaction.Snap);
});
});
describe('handleEvent_', function() {
var target, map;
var width = 360;
var height = 180;
beforeEach(function(done) {
target = document.createElement('div');
var style = target.style;
style.position = 'absolute';
style.left = '-1000px';
style.top = '-1000px';
style.width = width + 'px';
style.height = height + 'px';
document.body.appendChild(target);
map = new ol.Map({
target: target,
view: new ol.View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1
})
});
map.on('postrender', function() {
done();
});
});
afterEach(function() {
goog.dispose(map);
document.body.removeChild(target);
});
it('can handle XYZ coordinates', function() {
var point = new ol.Feature(new ol.geom.Point([0, 0, 123]));
var snapInteraction = new ol.interaction.Snap({
features: new ol.Collection([point])
});
snapInteraction.setMap(map);
var event = {
pixel: [width / 2, height / 2],
coordinate: [0, 0],
map: map
};
ol.interaction.Snap.handleEvent_.call(snapInteraction, event);
// check that the coordinate is in XY and not XYZ
expect(event.coordinate).to.eql([0, 0]);
});
});
});
goog.require('ol.Collection');
goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.geom.Point');
goog.require('ol.interaction.Snap');