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

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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('#renderFrame()', function() {
var layer, map, renderer;
beforeEach(function() {
map = new ol.Map({});
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;
});
it('calls #dispatchComposeEvent_() with a wrapX argument', function() {
var spy = sinon.spy(renderer, 'dispatchComposeEvent_');
var frameState = {
coordinateToPixelMatrix: map.coordinateToPixelMatrix_,
pixelToCoordinateMatrix: map.pixelToCoordinateMatrix_,
pixelRatio: 1,
size: [100, 100],
skippedFeatureUids: {},
viewState: {
center: [0, 0],
resolution: 1,
rotation: 0
},
layerStates: {},
layerStatesArray: [{
layer: layer,
sourceState: 'ready',
visible: true,
minResolution: 1,
maxResolution: 2
}],
postRenderFunctions: []
};
renderer.renderFrame(frameState);
// precompose without wrapX
expect(spy.getCall(0).args[2]).to.be(false);
// postcompose with wrapX
expect(spy.getCall(1).args[2]).to.be(true);
});
});
});
goog.require('ol.layer.Vector');
goog.require('ol.Map');
goog.require('ol.renderer.canvas.Layer');
goog.require('ol.renderer.canvas.Map');
goog.require('ol.source.Vector');