Initial spec

test/spec/ol/parser/topojson.test.js

@@ -0,0 +1,64 @@
+goog.provide('ol.test.parser.TopoJSON');
+
+var aruba = {
+  type: 'Topology',
+  transform: {
+    scale: [0.036003600360036005, 0.017361589674592462],
+    translate: [-180, -89.99892578124998]
+  },
+  objects: {
+    aruba: {
+      type: 'Polygon',
+      arcs: [[0]],
+      id: 533
+    }
+  },
+  arcs: [
+    [[3058, 5901], [0, -2], [-2, 1], [-1, 3], [-2, 3], [0, 3], [1, 1], [1, -3],
+      [2, -5], [1, -1]]
+  ]
+};
+
+
+describe('ol.parser.TopoJSON', function() {
+
+  var parser;
+  before(function() {
+    parser = new ol.parser.TopoJSON();
+  });
+
+  describe('constructor', function() {
+    it('creates a new parser', function() {
+      expect(parser).to.be.a(ol.parser.Parser);
+      expect(parser).to.be.a(ol.parser.TopoJSON);
+    });
+  });
+
+  describe('#readFeaturesFromTopology_()', function() {
+
+    it('creates an array of features from a topology', function() {
+      var features = parser.readFeaturesFromTopology_(aruba);
+      expect(features).to.have.length(1);
+
+      var feature = features[0];
+      expect(feature).to.be.a(ol.Feature);
+
+      var geometry = feature.getGeometry();
+      expect(geometry).to.be.a(ol.geom.Polygon);
+
+      expect(geometry.getBounds()).to.eql([
+        -70.08100810081008,
+        -69.9009900990099,
+        12.417091709170947,
+        12.608069195591469
+      ]);
+    });
+
+  });
+
+});
+
+goog.require('ol.Feature');
+goog.require('ol.geom.Polygon');
+goog.require('ol.parser.Parser');
+goog.require('ol.parser.TopoJSON');