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openlayers/test/spec/ol/renderer/canvas/canvasmaprenderer.test.js

109 lines
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JavaScript

goog.provide('ol.test.renderer.canvas.Map');
describe('ol.renderer.canvas.Map', function() {
describe('constructor', function() {
it('creates a new instance', function() {
var map = new ol.Map({
target: document.createElement('div')
});
var renderer = new ol.renderer.canvas.Map(map.viewport_, map);
expect(renderer).to.be.a(ol.renderer.canvas.Map);
});
});
describe('#forEachFeatureAtCoordinate', function() {
var layer, map, target;
beforeEach(function() {
target = document.createElement('div');
target.style.width = '100px';
target.style.height = '100px';
document.body.appendChild(target);
map = new ol.Map({
target: target,
view: new ol.View({
center: [0, 0],
zoom: 0
})
});
layer = new ol.layer.Vector({
source: new ol.source.Vector({
features: [
new ol.Feature({
geometry: new ol.geom.Point([0, 0])
})
]
})
});
});
afterEach(function() {
map.setTarget(null);
document.body.removeChild(target);
});
it('always includes unmanaged layers', function() {
layer.setMap(map);
map.renderSync();
var cb = sinon.spy();
map.forEachFeatureAtPixel(map.getPixelFromCoordinate([0, 0]), cb, null,
function() { return false; });
expect(cb).to.be.called();
});
it('filters managed layers', function() {
map.addLayer(layer);
map.renderSync();
var cb = sinon.spy();
map.forEachFeatureAtPixel(map.getPixelFromCoordinate([0, 0]), cb, null,
function() { return false; });
expect(cb).to.not.be.called();
});
it('doesn\'t fail with layer with no source', function() {
map.addLayer(new ol.layer.Tile());
map.renderSync();
expect(function() {
map.forEachFeatureAtPixel(map.getPixelFromCoordinate([0, 0]),
function() {});
}).to.not.throwException();
});
});
describe('#renderFrame()', function() {
var layer, map, renderer;
beforeEach(function() {
map = new ol.Map({});
map.on('postcompose', function() {});
layer = new ol.layer.Vector({
source: new ol.source.Vector({wrapX: true})
});
renderer = map.getRenderer();
renderer.layerRenderers_ = {};
var layerRenderer = new ol.renderer.canvas.Layer(layer);
layerRenderer.prepareFrame = function() { return true; };
layerRenderer.getImage = function() { return null; };
renderer.layerRenderers_[goog.getUid(layer)] = layerRenderer;
});
});
});
goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.geom.Point');
goog.require('ol.layer.Tile');
goog.require('ol.layer.Vector');
goog.require('ol.renderer.canvas.Layer');
goog.require('ol.renderer.canvas.Map');
goog.require('ol.source.Vector');