Check PowerShell scripts exist before attempting to run them.

src/AddIns/Misc/PackageManagement/Project/PackageManagement.csproj

@@ -170,6 +170,7 @@
     <Compile Include="Src\ProcessPackageAction.cs" />
     <Compile Include="Src\Scripting\IPackageScript.cs" />
     <Compile Include="Src\Scripting\IPackageScriptFactory.cs" />
+    <Compile Include="Src\Scripting\IPackageScriptFileName.cs" />
     <Compile Include="Src\Scripting\IPackageScriptSession.cs" />
     <Compile Include="Src\Scripting\PackageInitializeScript.cs" />
     <Compile Include="Src\Scripting\PackageInitializeScriptFileName.cs" />

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/IPackageScriptFileName.cs

@@ -0,0 +1,16 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+
+namespace ICSharpCode.PackageManagement.Scripting
+{
+	public interface IPackageScriptFileName
+	{
+		string PackageInstallDirectory { get; }
+		string ToString();
+		bool ScriptDirectoryExists();
+		bool FileExists();
+		string GetScriptDirectory();
+	}
+}

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PackageInitializeScript.cs

@@ -9,7 +9,7 @@ namespace ICSharpCode.PackageManagement.Scripting
 	public class PackageInitializeScript : PackageScript
 	{
 		public PackageInitializeScript(
-			PackageInitializeScriptFileName fileName,
+			IPackageScriptFileName fileName,
 			IPackageScriptSession session)
 			: base(fileName, session)
 		{

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PackageInstallScript.cs

@@ -8,7 +8,7 @@ namespace ICSharpCode.PackageManagement.Scripting
 	public class PackageInstallScript : PackageScript
 	{
 		public PackageInstallScript(
-			PackageInstallScriptFileName fileName,
+			IPackageScriptFileName fileName,
 			IPackageScriptSession session)
 			: base(fileName, session)
 		{

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PackageScript.cs

@@ -10,14 +10,14 @@ namespace ICSharpCode.PackageManagement.Scripting
 	public class PackageScript : IPackageScript
 	{
 		public PackageScript(
-			PackageScriptFileName fileName,
+			IPackageScriptFileName fileName,
 			IPackageScriptSession session)
 		{
 			this.ScriptFileName = fileName;
 			this.Session = session;
 		}
 		
-		protected PackageScriptFileName ScriptFileName { get; private set; }
+		protected IPackageScriptFileName ScriptFileName { get; private set; }
 		protected IPackageScriptSession Session { get; private set; }
 		
 		public IPackage Package { get; set; }
@@ -26,15 +26,22 @@ namespace ICSharpCode.PackageManagement.Scripting
 		public void Execute()
 		{
 			BeforeExecute();
-			AddSessionVariables();
-			ExecuteScript();
-			RemoveSessionVariables();
+			if (ScriptFileExists()) {
+				AddSessionVariables();
+				ExecuteScript();
+				RemoveSessionVariables();
+			}
 		}
 		
 		protected virtual void BeforeExecute()
 		{
 		}
 		
+		bool ScriptFileExists()
+		{
+			return ScriptFileName.FileExists();
+		}
+		
 		void AddSessionVariables()
 		{
 			Session.AddVariable("__rootPath", ScriptFileName.PackageInstallDirectory);

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PackageScriptFileName.cs

@@ -7,7 +7,7 @@ using NuGet;
 
 namespace ICSharpCode.PackageManagement.Scripting
 {
-	public abstract class PackageScriptFileName
+	public abstract class PackageScriptFileName : IPackageScriptFileName
 	{
 		IFileSystem fileSystem;
 		string relativeScriptFilePath;

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PackageUninstallScript.cs

@@ -8,7 +8,7 @@ namespace ICSharpCode.PackageManagement.Scripting
 	public class PackageUninstallScript : PackageScript
 	{
 		public PackageUninstallScript(
-			PackageUninstallScriptFileName fileName,
+			IPackageScriptFileName fileName,
 			IPackageScriptSession session)
 			: base(fileName, session)
 		{

src/AddIns/Misc/PackageManagement/Test/PackageManagement.Tests.csproj

@@ -79,6 +79,7 @@
     <Compile Include="Src\Helpers\FakePackageManagementProjectFactory.cs" />
     <Compile Include="Src\Helpers\FakePackageScript.cs" />
     <Compile Include="Src\Helpers\FakePackageScriptFactory.cs" />
+    <Compile Include="Src\Helpers\FakePackageScriptFileName.cs" />
     <Compile Include="Src\Helpers\FakePackageViewModelFactory.cs" />
     <Compile Include="Src\Helpers\FakePowerShellSession.cs" />
     <Compile Include="Src\Helpers\TestableAddPackageReferenceCommand.cs" />

src/AddIns/Misc/PackageManagement/Test/Src/Helpers/FakePackageScriptFileName.cs

@@ -0,0 +1,41 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using ICSharpCode.PackageManagement.Scripting;
+
+namespace PackageManagement.Tests.Helpers
+{
+	public class FakePackageScriptFileName : IPackageScriptFileName
+	{
+		public string PackageInstallDirectory { get; set; }
+		
+		public bool ScriptDirectoryExistsReturnValue = true;
+		
+		public bool ScriptDirectoryExists()
+		{
+			return ScriptDirectoryExistsReturnValue;
+		}
+		
+		public bool FileExistsReturnValue = true;
+		
+		public bool FileExists()
+		{
+			return FileExistsReturnValue;
+		}
+		
+		public string GetScriptDirectoryReturnValue = String.Empty;
+		
+		public string GetScriptDirectory()
+		{
+			return GetScriptDirectoryReturnValue;
+		}
+		
+		public string ToStringReturnValue = String.Empty;
+		
+		public override string ToString()
+		{
+			return ToStringReturnValue;
+		}
+	}
+}

src/AddIns/Misc/PackageManagement/Test/Src/Helpers/FakePowerShellSession.cs

@@ -35,10 +35,12 @@ namespace PackageManagement.Tests.Helpers
 			VariablesRemoved.Add(name);
 		}
 		
+		public bool IsScriptExecuted;
 		public string ScriptPassedToInvokeScript;
 		
 		public void InvokeScript(string script)
 		{
+			IsScriptExecuted = true;
 			ScriptPassedToInvokeScript = script;
 		}
 	}

src/AddIns/Misc/PackageManagement/Test/Src/Scripting/PackageInitializeScriptTests.cs

@@ -13,32 +13,14 @@ namespace PackageManagement.Tests.Scripting
 	public class PackageInitializeScriptTests
 	{
 		PackageInitializeScript script;
-		PackageInitializeScriptFileName scriptFileName;
-		FakeFileSystem fakeFileSystem;
 		FakePackageScriptSession fakeSession;
+		FakePackageScriptFileName fakeScriptFileName;
 		
 		void CreateScript()
 		{
-			fakeFileSystem = new FakeFileSystem();
-			fakeFileSystem.FileExistsReturnValue = true;
-			fakeFileSystem.DirectoryExistsReturnValue = true;
-			scriptFileName = new PackageInitializeScriptFileName(fakeFileSystem);
-			
-			fakeSession = new FakePackageScriptSession();
-			
-			script = new PackageInitializeScript(scriptFileName, fakeSession);
-		}
-		
-		void CreateScriptWithPhysicalFileSystem()
-		{
-			CreateScriptWithPhysicalFileSystem(@"d:\projects\myproject\packages\test");
-		}
-		
-		void CreateScriptWithPhysicalFileSystem(string packageInstallDirectory)
-		{
-			scriptFileName = new PackageInitializeScriptFileName(packageInstallDirectory);
+			fakeScriptFileName = new FakePackageScriptFileName();			
 			fakeSession = new FakePackageScriptSession();
-			script = new PackageInitializeScript(scriptFileName, fakeSession);
+			script = new PackageInitializeScript(fakeScriptFileName, fakeSession);
 		}
 		
 		void AssertSessionVariableIsRemoved(string variableName)
@@ -51,13 +33,13 @@ namespace PackageManagement.Tests.Scripting
 		public void Execute_ExistingEnvironmentPathIsEmptyString_PathToScriptAddedToEnvironmentPath()
 		{
 			CreateScript();
-			fakeFileSystem.PathToReturnFromGetFullPath = @"d:\projects\myproject\packages\test";
+			fakeScriptFileName.GetScriptDirectoryReturnValue = @"d:\projects\myproject\packages\test\tools";
 			fakeSession.SetEnvironmentPath(String.Empty);
 			
 			script.Execute();
 			
 			string actualEnvironmentPath = fakeSession.GetEnvironmentPath();
-			string expectedEnvironmentPath = @"d:\projects\myproject\packages\test";
+			string expectedEnvironmentPath = @"d:\projects\myproject\packages\test\tools";
 			
 			Assert.AreEqual(expectedEnvironmentPath, actualEnvironmentPath);
 		}
@@ -66,13 +48,13 @@ namespace PackageManagement.Tests.Scripting
 		public void Execute_OneItemInOriginalEnvironmentPath_PathToScriptAppendedToEnvironmentPath()
 		{
 			CreateScript();
-			fakeFileSystem.PathToReturnFromGetFullPath = @"d:\projects\myproject\packages\test";
+			fakeScriptFileName.GetScriptDirectoryReturnValue = @"d:\projects\myproject\packages\test\tools";
 			fakeSession.SetEnvironmentPath(@"c:\users\sharpdevelop\ps;");
 			
 			script.Execute();
 			
 			string actualEnvironmentPath = fakeSession.GetEnvironmentPath();
-			string expectedEnvironmentPath = @"c:\users\sharpdevelop\ps;d:\projects\myproject\packages\test";
+			string expectedEnvironmentPath = @"c:\users\sharpdevelop\ps;d:\projects\myproject\packages\test\tools";
 			
 			Assert.AreEqual(expectedEnvironmentPath, actualEnvironmentPath);
 		}
@@ -81,13 +63,13 @@ namespace PackageManagement.Tests.Scripting
 		public void Execute_OneItemInOriginalEnvironmentPathMissingSemiColonAtEnd_PathToScriptAppendedToEnvironmentPathWithSemiColonAtStart()
 		{
 			CreateScript();
-			fakeFileSystem.PathToReturnFromGetFullPath = @"d:\projects\myproject\packages\test";
+			fakeScriptFileName.GetScriptDirectoryReturnValue = @"d:\projects\myproject\packages\test\tools";
 			fakeSession.SetEnvironmentPath(@"c:\users\sharpdevelop\ps");
 			
 			script.Execute();
 			
 			string actualEnvironmentPath = fakeSession.GetEnvironmentPath();
-			string expectedEnvironmentPath = @"c:\users\sharpdevelop\ps;d:\projects\myproject\packages\test";
+			string expectedEnvironmentPath = @"c:\users\sharpdevelop\ps;d:\projects\myproject\packages\test\tools";
 			
 			Assert.AreEqual(expectedEnvironmentPath, actualEnvironmentPath);
 		}
@@ -96,13 +78,13 @@ namespace PackageManagement.Tests.Scripting
 		public void Execute_OriginalEnvironmentPathIsNull_PathToScriptAppendedToEnvironmentPath()
 		{
 			CreateScript();
-			fakeFileSystem.PathToReturnFromGetFullPath = @"d:\projects\myproject\packages\test";
+			fakeScriptFileName.GetScriptDirectoryReturnValue = @"d:\projects\myproject\packages\test\tools";
 			fakeSession.SetEnvironmentPath(null);
 			
 			script.Execute();
 			
 			string actualEnvironmentPath = fakeSession.GetEnvironmentPath();
-			string expectedEnvironmentPath = @"d:\projects\myproject\packages\test";
+			string expectedEnvironmentPath = @"d:\projects\myproject\packages\test\tools";
 			
 			Assert.AreEqual(expectedEnvironmentPath, actualEnvironmentPath);
 		}
@@ -111,8 +93,8 @@ namespace PackageManagement.Tests.Scripting
 		public void Execute_ScriptDirectoryDoesNotExist_PathIsNotUpdated()
 		{
 			CreateScript();
-			fakeFileSystem.PathToReturnFromGetFullPath = @"d:\projects\myproject\packages\test";
-			fakeFileSystem.DirectoryExistsReturnValue = false;
+			fakeScriptFileName.GetScriptDirectoryReturnValue = @"d:\projects\myproject\packages\test\tools";
+			fakeScriptFileName.ScriptDirectoryExistsReturnValue = false;
 			fakeSession.SetEnvironmentPath(String.Empty);
 			
 			script.Execute();
@@ -126,7 +108,7 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageIsSet_PackageSessionVariableIsSet()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			var expectedPackage = new FakePackage("Test");
 			script.Package = expectedPackage;
 			script.Execute();
@@ -139,8 +121,9 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_RootPathSessionVariableIsSet()
 		{
+			CreateScript();
 			string expectedRootPath = @"d:\projects\myproject\packages\test";
-			CreateScriptWithPhysicalFileSystem(expectedRootPath);
+			fakeScriptFileName.PackageInstallDirectory = expectedRootPath;
 			script.Execute();
 			
 			var rootPath = fakeSession.VariablesAdded["__rootPath"];
@@ -151,7 +134,8 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_ToolsPathSessionVariableIsSet()
 		{
-			CreateScriptWithPhysicalFileSystem(@"d:\projects\myproject\packages\test");
+			CreateScript();
+			fakeScriptFileName.GetScriptDirectoryReturnValue = @"d:\projects\myproject\packages\test\tools";
 			script.Execute();
 			
 			var toolsPath = fakeSession.VariablesAdded["__toolsPath"];
@@ -163,7 +147,7 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_ProjectSessionVariableIsSet()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			script.Execute();
 			
 			var project = fakeSession.VariablesAdded["__project"];
@@ -174,7 +158,8 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_ScriptIsInvoked()
 		{
-			CreateScriptWithPhysicalFileSystem(@"d:\projects\myproject\packages\test");
+			CreateScript();
+			fakeScriptFileName.ToStringReturnValue = @"d:\projects\myproject\packages\test\tools\init.ps1";
 			script.Execute();
 			
 			string actualScript = fakeSession.ScriptPassedToInvokeScript;
@@ -188,7 +173,7 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_PackageSessionVariableIsRemoved()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			script.Execute();
 			
 			AssertSessionVariableIsRemoved("__package");
@@ -197,7 +182,7 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_RootPathSessionVariableIsRemoved()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			script.Execute();
 			
 			AssertSessionVariableIsRemoved("__rootPath");
@@ -206,7 +191,7 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_ToolsPathSessionVariableIsRemoved()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			script.Execute();
 			
 			AssertSessionVariableIsRemoved("__toolsPath");
@@ -215,7 +200,7 @@ namespace PackageManagement.Tests.Scripting
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_ProjectSessionVariableIsRemoved()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			script.Execute();
 			
 			AssertSessionVariableIsRemoved("__project");

src/AddIns/Misc/PackageManagement/Test/Src/Scripting/PackageInstallScriptTests.cs

@@ -16,23 +16,24 @@ namespace PackageManagement.Tests.Scripting
 		PackageInstallScriptFileName scriptFileName;
 		FakePackageScriptSession fakeSession;
 		PackageInstallScript script;
+		FakeFileSystem fakeFileSystem;
 		
-		void CreateScriptWithPhysicalFileSystem()
+		void CreateScript()
 		{
-			CreateScriptWithPhysicalFileSystem(@"d:\projects\myproject\packages\test");
-		}
-		
-		void CreateScriptWithPhysicalFileSystem(string packageInstallDirectory)
-		{
-			scriptFileName = new PackageInstallScriptFileName(packageInstallDirectory);
+			fakeFileSystem = new FakeFileSystem();
+			fakeFileSystem.FileExistsReturnValue = true;
+			fakeFileSystem.DirectoryExistsReturnValue = true;
+			scriptFileName = new PackageInstallScriptFileName(fakeFileSystem);
+			
 			fakeSession = new FakePackageScriptSession();
+			
 			script = new PackageInstallScript(scriptFileName, fakeSession);
 		}
 
 		[Test]
 		public void Execute_PackageInstallDirectoryIsSet_ProjectSessionVariableIsSet()
 		{
-			CreateScriptWithPhysicalFileSystem();
+			CreateScript();
 			var expectedProject = new Project();
 			var project = new FakePackageManagementProject();
 			project.DTEProject = expectedProject;
@@ -43,5 +44,29 @@ namespace PackageManagement.Tests.Scripting
 			
 			Assert.AreEqual(expectedProject, projectVariable);
 		}
+		
+		[Test]
+		public void Execute_ScriptDoesNotExist_ScriptIsNotExecuted()
+		{
+			CreateScript();
+			fakeFileSystem.FileExistsReturnValue = false;
+			script.Execute();
+			
+			bool executed = fakeSession.IsScriptExecuted;
+			
+			Assert.IsFalse(executed);
+		}
+		
+		[Test]
+		public void Execute_ScriptDoesNotExist_InstallScriptCheckedForExistence()
+		{
+			CreateScript();
+			fakeFileSystem.FileExistsReturnValue = false;
+			script.Execute();
+			
+			string fileChecked = fakeFileSystem.PathPassedToFileExists;
+			
+			Assert.AreEqual(@"tools\install.ps1", fileChecked);
+		}
 	}
 }