Files
openlayers/test/spec/ol/renderer/canvas/canvasvectorlayerrenderer.test.js
2014-12-18 13:04:29 +01:00

110 lines
3.1 KiB
JavaScript

goog.provide('ol.test.renderer.canvas.VectorLayer');
describe('ol.renderer.canvas.VectorLayer', function() {
describe('constructor', function() {
it('creates a new instance', function() {
var map = new ol.Map({
target: document.createElement('div')
});
var layer = new ol.layer.Vector({
source: new ol.source.Vector()
});
var renderer = new ol.renderer.canvas.VectorLayer(map.getRenderer(),
layer);
expect(renderer).to.be.a(ol.renderer.canvas.VectorLayer);
});
it('gives precedence to feature styles over layer styles', function() {
var target = document.createElement('div');
target.style.width = '256px';
target.style.height = '256px';
document.body.appendChild(target);
var map = new ol.Map({
view: new ol.View({
center: [0, 0],
zoom: 0
}),
target: target
});
var layerStyle = [new ol.style.Style({
text: new ol.style.Text({
text: 'layer'
})
})];
var featureStyle = [new ol.style.Style({
text: new ol.style.Text({
text: 'feature'
})
})];
var feature1 = new ol.Feature(new ol.geom.Point([0, 0]));
var feature2 = new ol.Feature(new ol.geom.Point([0, 0]));
feature2.setStyle(featureStyle);
var layer = new ol.layer.Vector({
source: new ol.source.Vector({
features: [feature1, feature2]
}),
style: layerStyle
});
map.addLayer(layer);
var spy = sinon.spy(map.getRenderer().getLayerRenderer(layer),
'renderFeature');
map.renderSync();
expect(spy.getCall(0).args[3]).to.be(layerStyle);
expect(spy.getCall(1).args[3]).to.be(featureStyle);
document.body.removeChild(target);
});
});
describe('#forEachFeatureAtPixel', function() {
var renderer;
beforeEach(function() {
var map = new ol.Map({});
var layer = new ol.layer.Vector({
source: new ol.source.Vector()
});
renderer = new ol.renderer.canvas.VectorLayer(
map.getRenderer(), layer);
var replayGroup = {};
renderer.replayGroup_ = replayGroup;
replayGroup.forEachGeometryAtPixel = function(resolution,
rotation, coordinate, skippedFeaturesUids, callback) {
var geometry = new ol.geom.Point([0, 0]);
var feature = new ol.Feature();
callback(geometry, feature);
callback(geometry, feature);
};
});
it('calls callback once per feature', function() {
var spy = sinon.spy();
var coordinate = [0, 0];
var frameState = {
skippedFeatureUids: {},
viewState: {
resolution: 1,
rotation: 0
}
};
renderer.forEachFeatureAtPixel(
coordinate, frameState, spy, undefined);
expect(spy.callCount).to.be(1);
});
});
});
goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.geom.Point');
goog.require('ol.layer.Vector');
goog.require('ol.renderer.canvas.VectorLayer');
goog.require('ol.source.Vector');
goog.require('ol.style.Style');
goog.require('ol.style.Text');