Add ol.source.Vector

test/spec/ol/source/vectorsource.test.js

@@ -0,0 +1,141 @@
+goog.provide('ol.test.source.Vector');
+
+
+describe('ol.source.Vector', function() {
+
+  var pointFeature;
+  var infiniteExtent;
+  beforeEach(function() {
+    pointFeature = new ol.Feature(new ol.geom.Point([0, 0]));
+    infiniteExtent = [-Infinity, -Infinity, Infinity, Infinity];
+  });
+
+  describe('when empty', function() {
+
+    var vectorSource;
+    beforeEach(function() {
+      vectorSource = new ol.source.Vector();
+    });
+
+    describe('#getFeatures', function() {
+
+      it('returns an empty array', function() {
+        var features = vectorSource.getFeatures(infiniteExtent);
+        expect(features).to.be.an(Array);
+        expect(features).to.be.empty();
+      });
+
+    });
+
+    describe('#addFeature', function() {
+
+      it('can add a single point feature', function() {
+        vectorSource.addFeature(pointFeature);
+        var features = vectorSource.getFeatures(infiniteExtent);
+        expect(features).to.be.an(Array);
+        expect(features).to.have.length(1);
+        expect(features[0]).to.be(pointFeature);
+      });
+
+      it('fires a change event', function() {
+        var listener = sinon.spy();
+        goog.events.listen(vectorSource, 'change', listener);
+        vectorSource.addFeature(pointFeature);
+        expect(listener).to.be.called();
+      });
+
+    });
+
+  });
+
+  describe('when populated with 10 random points', function() {
+
+    var features;
+    var vectorSource;
+    beforeEach(function() {
+      features = [];
+      var i;
+      for (i = 0; i < 10; ++i) {
+        features[i] =
+            new ol.Feature(new ol.geom.Point([Math.random(), Math.random()]));
+      }
+      vectorSource = new ol.source.Vector({
+        features: features
+      });
+    });
+
+    describe('#getFeatures', function() {
+
+      it('returns the expected number of features', function() {
+        expect(vectorSource.getFeatures(infiniteExtent)).have.length(10);
+      });
+
+    });
+
+    describe('#removeFeature', function() {
+
+      it('works as expected', function() {
+        var i;
+        for (i = features.length - 1; i >= 0; --i) {
+          vectorSource.removeFeature(features[i]);
+          expect(vectorSource.getFeatures(infiniteExtent)).have.length(i);
+        }
+      });
+
+      it('fires a change event', function() {
+        var listener = sinon.spy();
+        goog.events.listen(vectorSource, 'change', listener);
+        vectorSource.removeFeature(features[0]);
+        expect(listener).to.be.called();
+      });
+
+    });
+
+    describe('modifying a feature\'s geometry', function() {
+
+      it('fires a change event', function() {
+        var listener = sinon.spy();
+        goog.events.listen(vectorSource, 'change', listener);
+        features[0].getGeometry().setCoordinate([100, 100]);
+        expect(listener).to.be.called();
+      });
+
+      if (false) {
+        it('keeps the R-Tree index up to date', function() {
+          expect(vectorSource.getFeatures([0, 0, 1, 1])).to.have.length(10);
+          features[0].getGeometry().setCoordinate([100, 100]);
+          expect(vectorSource.getFeatures([0, 0, 1, 1])).to.have.length(9);
+          features[0].getGeometry().setCoordinate([0.5, 0.5]);
+          expect(vectorSource.getFeatures([0, 0, 1, 1])).to.have.length(10);
+        });
+      }
+
+    });
+
+    describe('setting a features geometry', function() {
+
+      it('fires a change event', function() {
+        var listener = sinon.spy();
+        goog.events.listen(vectorSource, 'change', listener);
+        features[0].setGeometry(new ol.geom.Point([100, 100]));
+        expect(listener).to.be.called();
+      });
+
+      if (false) {
+        it('keeps the R-Tree index up to date', function() {
+          expect(vectorSource.getFeatures([0, 0, 1, 1])).to.have.length(10);
+          features[0].setGeometry(new ol.geom.Point([100, 100]));
+          expect(vectorSource.getFeatures([0, 0, 1, 1])).to.have.length(9);
+        });
+      }
+    });
+
+  });
+
+});
+
+
+goog.require('goog.events');
+goog.require('ol.Feature');
+goog.require('ol.geom.Point');
+goog.require('ol.source.Vector');