Added mocha tests for GeoPoint

test/geo.test.js

@@ -0,0 +1,57 @@
+/*global describe,it*/
+/*jshint expr:true*/
+
+require('should');
+
+var GeoPoint = require('../lib/geo').GeoPoint;
+
+describe('GeoPoint', function () {
+	describe('distance calculation between two points', function () {
+
+    var here = new GeoPoint({ lat: 40.77492964101182, lng: -73.90950187151662 });
+    var there = new GeoPoint({ lat: 40.7753227, lng: -73.909217 });
+
+		it('should return value in miles by default', function () {
+
+    	var distance = GeoPoint.distanceBetween(here, there);
+      distance.should.be.a.Number;
+    	distance.should.equal(0.03097916611592679);
+    });
+
+    it('should return value using specified unit', function () {
+
+      /* Supported units:
+       * - `radians`
+       * - `kilometers`
+       * - `meters`
+       * - `miles`
+       * - `feet`
+       * - `degrees`
+       */
+
+      var distance = here.distanceTo(there, { type: 'radians'});
+      distance.should.be.a.Number;
+      distance.should.equal(0.000007825491914348416);
+
+      distance = here.distanceTo(there, { type: 'kilometers'});
+      distance.should.be.a.Number;
+      distance.should.equal(0.04985613511367009);
+
+      distance = here.distanceTo(there, { type: 'meters'});
+      distance.should.be.a.Number;
+      distance.should.equal(49.856135113670085);
+
+      distance = here.distanceTo(there, { type: 'miles'});
+      distance.should.be.a.Number;
+      distance.should.equal(0.03097916611592679);
+
+      distance = here.distanceTo(there, { type: 'feet'});
+      distance.should.be.a.Number;
+      distance.should.equal(163.56999709209347);
+
+      distance = here.distanceTo(there, { type: 'degrees'});
+      distance.should.be.a.Number;
+      distance.should.equal(0.0004483676593058972);
+    });
+	});
+});