Client ctor takes config object with host property

lib/event_hub_client.js

@@ -7,7 +7,9 @@ var Promise = require('bluebird');
 var ArgumentError = require('azure-iot-common').errors.ArgumentError;
 var ConnectionString = require('azure-iot-common').ConnectionString;
 
-function EventHubClient() {}
+function EventHubClient(config) {
+  if (!config.host) throw new ArgumentError('Argument config is missing property host');
+}
 
 EventHubClient.fromConnectionString = function (connectionString, path) {
   if (!connectionString) {
@@ -18,8 +20,15 @@ EventHubClient.fromConnectionString = function (connectionString, path) {
   if (!cn.EntityPath && !path) {
     throw new ArgumentError('Connection string doesn\'t have EntityPath, or missing argument path');
   }
+  
+  var endpoint = cn.Endpoint || ''; 
+  var host = (endpoint.match('sb://([^/]*)') || [])[1];
+  
+  var config = {
+    host: host
+  };
 
-  return new EventHubClient();
+  return new EventHubClient(config);
 };
 
 EventHubClient.prototype.open = function () {

tasks

@@ -0,0 +1,13 @@
+azure-eventhubs
+  Client
++   .fromConnectionString
+    #open/close
+    #getPartitionIds
+    #createReceiver
+
+  Receiver
+    emits: errorReceived
+    emits: message
+
+* put chai setup in a common fixture instead of dupicating it in every test file
+* expose EventHubClient as azure-eventhubs.Client

tests/client_creation.js

@@ -16,6 +16,17 @@ function testFalsyValues(testFn) {
 }
 
 describe('EventHubClient', function () {
+  describe('#constructor', function () {
+    it('throws if config.host is falsy', function () {
+      testFalsyValues(function (host) {
+        var test = function () {
+          return new EventHubClient({ host: host });
+        };
+        test.should.throw(ArgumentError, 'Argument config is missing property host');
+      });
+    });
+  });
+
   describe('#fromConnectionString', function () {
     it('throws when there\'s no connection string', function () {
       testFalsyValues(function (value) {
@@ -34,12 +45,12 @@ describe('EventHubClient', function () {
     });
 
     it('creates an EventHubClient from a connection string', function () {
-      var client = EventHubClient.fromConnectionString('EntityPath=abc');
+      var client = EventHubClient.fromConnectionString('Endpoint=sb://abc;EntityPath=abc');
       client.should.be.an.instanceof(EventHubClient);
     });
 
     it('creates an EventHubClient from a connection string and an Event Hub path', function () {
-      var client = EventHubClient.fromConnectionString('abc', 'path');
+      var client = EventHubClient.fromConnectionString('Endpoint=sb://abc', 'path');
       client.should.be.an.instanceof(EventHubClient);
     });
   });