Implemented AzureShellSettingsManager

Refactored common used methods into AzureHelper
Added unit tests from DefaultSettingsManagerTests class

--HG--
branch : dev

src/Orchard.Azure.Tests/AzureVirtualEnvironmentTest.cs

@@ -0,0 +1,62 @@
+using System.Configuration;
+using System.Diagnostics;
+using System.IO;
+using Microsoft.WindowsAzure.StorageClient;
+using NUnit.Framework;
+
+namespace Orchard.Azure.Tests {
+    public abstract class AzureVirtualEnvironmentTest {
+        private Process _dsService;
+
+        protected abstract void OnInit();
+
+        [TestFixtureSetUp]
+        public void FixtureSetup() {
+            var count = Process.GetProcessesByName("DSService").Length;
+            if ( count == 0 ) {
+                var start = new ProcessStartInfo {
+                    Arguments = "/devstore:start",
+                    FileName =
+                        Path.Combine(ConfigurationManager.AppSettings["AzureSDK"], @"bin\csrun.exe")
+                };
+
+                _dsService = new Process { StartInfo = start };
+                _dsService.Start();
+                _dsService.WaitForExit();
+            }
+
+            OnInit();
+        }
+
+        [TestFixtureTearDown]
+        public void FixtureTearDown() {
+
+            if ( _dsService != null )
+                _dsService.Close();
+        }
+
+        protected void DeleteAllBlobs(CloudBlobContainer container) {
+            foreach ( var blob in container.ListBlobs() ) {
+                if ( blob is CloudBlob ) {
+                    ( (CloudBlob)blob ).DeleteIfExists();
+                }
+
+                if ( blob is CloudBlobDirectory ) {
+                    DeleteAllBlobs((CloudBlobDirectory)blob);
+                }
+            }
+        }
+
+        private static void DeleteAllBlobs(CloudBlobDirectory cloudBlobDirectory) {
+            foreach ( var blob in cloudBlobDirectory.ListBlobs() ) {
+                if ( blob is CloudBlob ) {
+                    ( (CloudBlob)blob ).DeleteIfExists();
+                }
+
+                if ( blob is CloudBlobDirectory ) {
+                    DeleteAllBlobs((CloudBlobDirectory)blob);
+                }
+            }
+        }
+    }
+}