written couple of unit test cases for julian day functionality

test/routes.js

@@ -1,3 +1,5 @@
 /**
  * Created by chandan on 09/05/15.
  */
+
+

test/test.js

@@ -1,3 +1,61 @@
 /**
  * Created by chandan on 09/05/15.
  */
+
+'use strict';
+
+
+var should = require('should'),
+    assert = require('assert');
+
+describe(' Unit Tests ', function(){
+
+    var astronomy = require('../core/astronomy');
+
+    it('should return the julian day for 20th May 2015 as 2457163', function(done){
+
+        var data = {
+
+            date : 20,
+            month : 5,
+            year: 2015,
+            hour : 21,
+            minute : 23,
+            timezone : 5.5
+        };
+
+        astronomy.getJulianDay(data, function(error, response){
+
+            (error === null).should.be.equal(true);
+
+            response.should.not.be.equal(undefined);
+            response.should.be.a.Number;
+            response.should.be.equal(2457163.1618055557);
+            done();
+        });
+    });
+
+    it('should return the julian day for 2nd March 1905 as 2457163', function(done){
+
+        var data = {
+
+            date : 2,
+            month : 3,
+            year: 1905,
+            hour : 8,
+            minute : 20,
+            timezone : 0
+        };
+
+        astronomy.getJulianDay(data, function(error, response){
+
+            (error === null).should.be.equal(true);
+
+            response.should.not.be.equal(undefined);
+            response.should.be.a.Number;
+            response.should.be.equal(2416906.847222222);
+            done();
+        });
+    });
+
+});