Preparing PackageExpander unit tests

--HG--
branch : nuget

src/Orchard.Web/Modules/Orchard.Packaging/Commands/PackagingCommands.cs

@@ -54,12 +54,23 @@ namespace Orchard.Packaging.Commands {
                 Context.Output.WriteLine(T("File \"{0}\" does not exist.", filename));
             }
 
-            var packageInfo = _packageManager.Install(filename, GetSolutionFolder());
+            var solutionFolder = GetSolutionFolder();
+
+            if(solutionFolder == null) {
+                Context.Output.WriteLine(T("The project's location is not supported"));
+            }
+
+            var packageInfo = _packageManager.Install(filename, solutionFolder);
             Context.Output.WriteLine(T("Package \"{0}\" successfully installed at \"{1}\"", packageInfo.ExtensionName, packageInfo.ExtensionPath));
         }
 
-        private string GetSolutionFolder() {
-            return Directory.GetParent(OrchardWebProj).Parent.FullName;
+        private static string GetSolutionFolder() {
+            var orchardDirectory = Directory.GetParent(OrchardWebProj);
+            if(orchardDirectory.Parent == null) {
+                return null;
+            }
+
+            return orchardDirectory.Parent.FullName;
         }
     }
 }

src/Orchard.Web/Modules/Orchard.Packaging/Services/IPackageManager.cs

@@ -1,3 +1,4 @@
+using System;
 using System.IO;
 
 namespace Orchard.Packaging.Services {
@@ -7,5 +8,6 @@ namespace Orchard.Packaging.Services {
 
         void Push(PackageData packageData, string feedUrl, string login, string password);
         PackageInfo Install(string filename, string destination);
+        PackageInfo Install(Uri uri, string destination);
     }
 }

src/Orchard.Web/Modules/Orchard.Packaging/Services/PackageManager.cs

@@ -93,6 +93,11 @@ namespace Orchard.Packaging.Services {
             return _packageExpander.ExpandPackage(packageId, version, location, destination);
         }
 
+        public PackageInfo Install(Uri uri, string destination) {
+            return null;
+        }
+
+
         #endregion
     }
 }