Add some tests

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

@@ -0,0 +1,71 @@
+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(undefined);
+      // 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');