config.host populated from connection string Endpoint

lib/event_hub_client.js

@@ -11,7 +11,7 @@ function EventHubClient(config) {
   if (!config.host) throw new ArgumentError('Argument config is missing property host');
 }
 
-EventHubClient.fromConnectionString = function (connectionString, path) {
+EventHubClient.fromConnectionString = function (connectionString, path, Type_) {
   if (!connectionString) {
     throw new ArgumentError('Missing argument connectionString');
   }
@@ -27,8 +27,10 @@ EventHubClient.fromConnectionString = function (connectionString, path) {
   var config = {
     host: host
   };
+  
+  Type_ = Type_ || EventHubClient;
 
-  return new EventHubClient(config);
+  return new Type_(config);
 };
 
 EventHubClient.prototype.open = function () {

tests/client_creation.js

@@ -43,9 +43,16 @@ describe('EventHubClient', function () {
       };
       test.should.throw(ArgumentError, 'Connection string doesn\'t have EntityPath, or missing argument path');
     });
+    
+    it('populates config.host from the connection string\'s Endpoint', function () {
+      function TestClient(config) { this.config = config; }
+      var client = EventHubClient.fromConnectionString('Endpoint=sb://abc;EntityPath=xyz', null, TestClient);
+      client.config.should.have.property('host')
+        .that.equals('abc');
+    });
 
     it('creates an EventHubClient from a connection string', function () {
-      var client = EventHubClient.fromConnectionString('Endpoint=sb://abc;EntityPath=abc');
+      var client = EventHubClient.fromConnectionString('Endpoint=sb://abc;EntityPath=xyz');
       client.should.be.an.instanceof(EventHubClient);
     });