Support pre-release NuGet packages in dialog.

src/AddIns/Misc/PackageManagement/Cmdlets/Test/Src/InstallPackageCmdletTests.cs

@@ -19,7 +19,6 @@ namespace PackageManagement.Cmdlets.Tests
 		TestableInstallPackageCmdlet cmdlet;
 		FakeCmdletTerminatingError fakeTerminatingError;
 		FakePackageManagementProject fakeProject;
-		FakeInstallPackageAction fakeInstallPackageAction;
 		
 		void CreateCmdletWithoutActiveProject()
 		{
@@ -27,9 +26,8 @@ namespace PackageManagement.Cmdlets.Tests
 			fakeTerminatingError = cmdlet.FakeCmdletTerminatingError;
 			fakeConsoleHost = cmdlet.FakePackageManagementConsoleHost;
 			fakeProject = fakeConsoleHost.FakeProject;
-			fakeInstallPackageAction = fakeProject.FakeInstallPackageAction;
 		}
-				
+		
 		void CreateCmdletWithActivePackageSourceAndProject()
 		{
 			CreateCmdletWithoutActiveProject();
@@ -90,8 +88,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetIdParameter("Test");
 			RunCmdlet();
 			
-			var actualPackageId = fakeInstallPackageAction.PackageId;
-			
+			string actualPackageId = fakeProject.LastInstallPackageCreated.PackageId;
 			Assert.AreEqual("Test", actualPackageId);
 		}
 		
@@ -104,8 +101,7 @@ namespace PackageManagement.Cmdlets.Tests
 			EnableIgnoreDependenciesParameter();
 			RunCmdlet();
 			
-			bool result = fakeInstallPackageAction.IgnoreDependencies;
-			
+			bool result = fakeProject.LastInstallPackageCreated.IgnoreDependencies;
 			Assert.IsTrue(result);
 		}
 		
@@ -117,8 +113,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetIdParameter("Test");
 			RunCmdlet();
 			
-			bool result = fakeInstallPackageAction.IgnoreDependencies;
-			
+			bool result = fakeProject.LastInstallPackageCreated.IgnoreDependencies;
 			Assert.IsFalse(result);
 		}
 		
@@ -131,8 +126,7 @@ namespace PackageManagement.Cmdlets.Tests
 			EnablePrereleaseParameter();
 			RunCmdlet();
 			
-			bool result = fakeInstallPackageAction.AllowPrereleaseVersions;
-			
+			bool result = fakeProject.LastInstallPackageCreated.AllowPrereleaseVersions;
 			Assert.IsTrue(result);
 		}
 		
@@ -144,8 +138,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetIdParameter("Test");
 			RunCmdlet();
 			
-			bool result = fakeInstallPackageAction.AllowPrereleaseVersions;
-			
+			bool result = fakeProject.LastInstallPackageCreated.AllowPrereleaseVersions;
 			Assert.IsFalse(result);
 		}
 		
@@ -158,8 +151,8 @@ namespace PackageManagement.Cmdlets.Tests
 			SetSourceParameter("http://sharpdevelop.net/packages");
 			RunCmdlet();
 			
-			var expected = "http://sharpdevelop.net/packages";
-			var actual = fakeConsoleHost.PackageSourcePassedToGetProject;
+			string expected = "http://sharpdevelop.net/packages";
+			string actual = fakeConsoleHost.PackageSourcePassedToGetProject;
 			
 			Assert.AreEqual(expected, actual);
 		}
@@ -174,8 +167,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetVersionParameter(version);
 			RunCmdlet();
 			
-			SemanticVersion actualVersion = fakeInstallPackageAction.PackageVersion;
-			
+			SemanticVersion actualVersion = fakeProject.LastInstallPackageCreated.PackageVersion;
 			Assert.AreEqual(version, actualVersion);
 		}
 		
@@ -187,8 +179,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetIdParameter("Test");
 			RunCmdlet();
 			
-			var actualVersion = fakeInstallPackageAction.PackageVersion;
-			
+			SemanticVersion actualVersion = fakeProject.LastInstallPackageCreated.PackageVersion;
 			Assert.IsNull(actualVersion);
 		}
 		
@@ -230,8 +221,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetIdParameter("Test");
 			RunCmdlet();
 			
-			bool result = fakeInstallPackageAction.IsExecuteCalled;
-			
+			bool result = fakeProject.LastInstallPackageCreated.IsExecuteCalled;
 			Assert.IsTrue(result);
 		}
 		
@@ -244,8 +234,7 @@ namespace PackageManagement.Cmdlets.Tests
 			SetIdParameter("Test");
 			RunCmdlet();
 			
-			IPackageScriptRunner scriptRunner = fakeInstallPackageAction.PackageScriptRunner;
-			
+			IPackageScriptRunner scriptRunner = fakeProject.LastInstallPackageCreated.PackageScriptRunner;
 			Assert.AreEqual(cmdlet, scriptRunner);
 		}
 	}

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

@@ -155,6 +155,7 @@
     <Compile Include="Src\FileConflictViewModel.cs" />
     <Compile Include="Src\IClassKindUpdater.cs" />
     <Compile Include="Src\IDocumentNamespaceCreator.cs" />
+    <Compile Include="Src\IPackageViewModelParent.cs" />
     <Compile Include="Src\IUpdatePackagesAction.cs" />
     <Compile Include="Src\IPackageExtensions.cs" />
     <Compile Include="Src\IPackageAction.cs" />

src/AddIns/Misc/PackageManagement/Project/Src/AvailablePackagesViewModel.cs

@@ -22,6 +22,7 @@ namespace ICSharpCode.PackageManagement
 		{
 			IsSearchable = true;
 			ShowPackageSources = true;
+			ShowPrerelease = true;
 		}
 		
 		protected override void UpdateRepositoryBeforeReadPackagesTaskStarts()
@@ -38,6 +39,9 @@ namespace ICSharpCode.PackageManagement
 			if (repository == null) {
 				throw new ApplicationException(errorMessage);
 			}
+			if (IncludePrerelease) {
+				return repository.GetPackages();
+			}
 			return repository.GetPackages().Where(package => package.IsLatestVersion);
 		}
 		
@@ -51,6 +55,10 @@ namespace ICSharpCode.PackageManagement
 		
 		protected override IEnumerable<IPackage> GetFilteredPackagesBeforePagingResults(IQueryable<IPackage> allPackages)
 		{
+			if (IncludePrerelease) {
+				return base.GetFilteredPackagesBeforePagingResults(allPackages)
+					.DistinctLast(PackageEqualityComparer.Id);
+			}
 			return base.GetFilteredPackagesBeforePagingResults(allPackages)
 				.Where(package => package.IsReleaseVersion())
 				.DistinctLast(PackageEqualityComparer.Id);

src/AddIns/Misc/PackageManagement/Project/Src/Design/FakePackageManagementProject.cs

@@ -26,7 +26,7 @@ namespace ICSharpCode.PackageManagement.Design
 			this.Name = name;
 		}
 		
-		public FakeInstallPackageAction FakeInstallPackageAction;
+		private FakeInstallPackageAction FakeInstallPackageAction;
 		public FakeUninstallPackageAction FakeUninstallPackageAction;
 		
 		public FakeUpdatePackageAction FirstFakeUpdatePackageActionCreated {
@@ -136,9 +136,12 @@ namespace ICSharpCode.PackageManagement.Design
 			IsUpdatePackageCalled = true;
 		}
 		
+		public FakeInstallPackageAction LastInstallPackageCreated;
+		
 		public virtual InstallPackageAction CreateInstallPackageAction()
 		{
-			return FakeInstallPackageAction;
+			LastInstallPackageCreated = new FakeInstallPackageAction(this);
+			return LastInstallPackageCreated;
 		}
 		
 		public virtual UninstallPackageAction CreateUninstallPackageAction()

src/AddIns/Misc/PackageManagement/Project/Src/Design/FakeSelectedProject.cs

@@ -42,11 +42,6 @@ namespace ICSharpCode.PackageManagement.Design
 			return String.Format("Name: {0}, IsSelected: {1}, IsEnabled: {2}", Name, IsSelected, IsEnabled);
 		}
 		
-		public FakeInstallPackageAction FakeInstallPackageAction {
-			get { return FakeProject.FakeInstallPackageAction; }
-			set { FakeProject.FakeInstallPackageAction = value; }
-		}
-		
 		public IPackageManagementProject Project {
 			get { return FakeProject; }
 		}

src/AddIns/Misc/PackageManagement/Project/Src/IPackageViewModelFactory.cs

@@ -9,7 +9,7 @@ namespace ICSharpCode.PackageManagement
 {
 	public interface IPackageViewModelFactory
 	{
-		PackageViewModel CreatePackageViewModel(IPackageFromRepository package);
+		PackageViewModel CreatePackageViewModel(IPackageViewModelParent parent, IPackageFromRepository package);
 		
 		IPackageManagementSolution Solution { get; }
 		PackageManagementSelectedProjects SelectedProjects { get; }

src/AddIns/Misc/PackageManagement/Project/Src/IPackageViewModelParent.cs

@@ -0,0 +1,12 @@
+// 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
+{
+	public interface IPackageViewModelParent
+	{
+		bool IncludePrerelease { get; }
+	}
+}

src/AddIns/Misc/PackageManagement/Project/Src/InstalledPackageViewModel.cs

@@ -10,12 +10,13 @@ namespace ICSharpCode.PackageManagement
 	public class InstalledPackageViewModel : PackageViewModel
 	{
 		public InstalledPackageViewModel(
+			IPackageViewModelParent parent,
 			IPackageFromRepository package,
 			SelectedProjectsForInstalledPackages selectedProjects,
 			IPackageManagementEvents packageManagementEvents,
 			IPackageActionRunner actionRunner,
 			ILogger logger)
-			: base(package, selectedProjects, packageManagementEvents, actionRunner, logger)
+			: base(parent, package, selectedProjects, packageManagementEvents, actionRunner, logger)
 		{
 		}
 		

src/AddIns/Misc/PackageManagement/Project/Src/InstalledPackageViewModelFactory.cs

@@ -15,9 +15,10 @@ namespace ICSharpCode.PackageManagement
 			selectedProjectsForInstalledPackages = new SelectedProjectsForInstalledPackages(Solution);
 		}
 		
-		public override PackageViewModel CreatePackageViewModel(IPackageFromRepository package)
+		public override PackageViewModel CreatePackageViewModel(IPackageViewModelParent parent, IPackageFromRepository package)
 		{
 			return new InstalledPackageViewModel(
+				parent,
 				package,
 				selectedProjectsForInstalledPackages,
 				PackageManagementEvents,

src/AddIns/Misc/PackageManagement/Project/Src/PackageViewModel.cs

@@ -22,14 +22,17 @@ namespace ICSharpCode.PackageManagement
 		IEnumerable<PackageOperation> packageOperations = new PackageOperation[0];
 		PackageViewModelOperationLogger logger;
 		IPackageActionRunner actionRunner;
+		IPackageViewModelParent parent;
 		
 		public PackageViewModel(
+			IPackageViewModelParent parent,
 			IPackageFromRepository package,
 			PackageManagementSelectedProjects selectedProjects,
 			IPackageManagementEvents packageManagementEvents,
 			IPackageActionRunner actionRunner,
 			ILogger logger)
 		{
+			this.parent = parent;
 			this.package = package;
 			this.selectedProjects = selectedProjects;
 			this.packageManagementEvents = packageManagementEvents;
@@ -39,6 +42,11 @@ namespace ICSharpCode.PackageManagement
 			CreateCommands();
 		}
 		
+		public IPackageViewModelParent GetParent()
+		{
+			return parent;
+		}
+		
 		protected virtual PackageViewModelOperationLogger CreateLogger(ILogger logger)
 		{
 			return new PackageViewModelOperationLogger(logger, package);
@@ -170,7 +178,8 @@ namespace ICSharpCode.PackageManagement
 		{
 			IPackageManagementProject project = GetSingleProjectSelected();
 			project.Logger = logger;
-			var installAction = project.CreateInstallPackageAction();
+			InstallPackageAction installAction = project.CreateInstallPackageAction();
+			installAction.AllowPrereleaseVersions = parent.IncludePrerelease;
 			packageOperations = project.GetInstallPackageOperations(package, installAction);
 		}
 		
@@ -243,6 +252,7 @@ namespace ICSharpCode.PackageManagement
 		{
 			IPackageManagementProject project = GetSingleProjectSelected();
 			ProcessPackageOperationsAction action = CreateInstallPackageAction(project);
+			action.AllowPrereleaseVersions = parent.IncludePrerelease;
 			action.Package = package;
 			action.Operations = packageOperations;
 			actionRunner.Run(action);
@@ -355,6 +365,7 @@ namespace ICSharpCode.PackageManagement
 			foreach (IPackageManagementSelectedProject selectedProject in selectedProjects) {
 				if (selectedProject.IsSelected) {
 					ProcessPackageAction action = CreateInstallPackageAction(selectedProject);
+					action.AllowPrereleaseVersions = parent.IncludePrerelease;
 					actions.Add(action);
 				}
 			}
@@ -410,7 +421,9 @@ namespace ICSharpCode.PackageManagement
 		{
 			IPackageManagementProject project = selectedProject.Project;
 			project.Logger = logger;
-			IEnumerable<PackageOperation> operations = project.GetInstallPackageOperations(package, project.CreateInstallPackageAction());
+			InstallPackageAction installAction = project.CreateInstallPackageAction();
+			installAction.AllowPrereleaseVersions = parent.IncludePrerelease;
+			IEnumerable<PackageOperation> operations = project.GetInstallPackageOperations(package, installAction);
 			return GetPackagesRequiringLicenseAcceptance(operations);
 		}
 		

src/AddIns/Misc/PackageManagement/Project/Src/PackageViewModelFactory.cs

@@ -29,9 +29,10 @@ namespace ICSharpCode.PackageManagement
 			this.Logger = new PackageManagementLogger(packageManagementEvents);
 		}
 		
-		public virtual PackageViewModel CreatePackageViewModel(IPackageFromRepository package)
+		public virtual PackageViewModel CreatePackageViewModel(IPackageViewModelParent parent, IPackageFromRepository package)
 		{
 			return new PackageViewModel(
+				parent,
 				package,
 				SelectedProjects,
 				PackageManagementEvents,

src/AddIns/Misc/PackageManagement/Project/Src/PackagesView.xaml

@@ -319,6 +319,8 @@
 				<Grid.RowDefinitions>
 					<RowDefinition Height="Auto"/>
 					<RowDefinition Height="Auto"/>
+					<RowDefinition Height="Auto"/>
+					<RowDefinition Height="Auto"/>
 				</Grid.RowDefinitions>
 				<ComboBox 
 					Grid.Row="0"
@@ -353,12 +355,19 @@
 							Width="16"/>
 					</Hyperlink>
 				</TextBlock>
-				<Button
+				<CheckBox
 					Grid.Row="2"
+					Grid.ColumnSpan="2"
+					Margin="2"
+					Content="Include Prerelease"
+					Visibility="{Binding Path=ShowPrerelease, Converter={StaticResource BoolToVisibility}}"
+					IsChecked="{Binding Path=IncludePrerelease}"/>
+				<Button
+					Grid.Row="3"
 					Grid.Column="1"
 					Visibility="{Binding Path=IsUpdateAllPackagesEnabled, Converter={StaticResource BoolToVisibility}}"
 					Content="Update All"
-					Command="{Binding UpdateAllPackagesCommand}"/>
+					Command="{Binding Path=UpdateAllPackagesCommand}"/>
 			</Grid>
 			<ContentControl
 				Grid.Row="1"

src/AddIns/Misc/PackageManagement/Project/Src/PackagesViewModel.cs

@@ -13,7 +13,7 @@ using NuGet;
 
 namespace ICSharpCode.PackageManagement
 {
-	public abstract class PackagesViewModel : ViewModelBase<PackagesViewModel>, IDisposable
+	public abstract class PackagesViewModel : ViewModelBase<PackagesViewModel>, IDisposable, IPackageViewModelParent
 	{
 		Pages pages = new Pages();
 		
@@ -22,7 +22,8 @@ namespace ICSharpCode.PackageManagement
 		ITaskFactory taskFactory;
 		IEnumerable<IPackage> allPackages;
 		ITask<PackagesForSelectedPageResult> task;
-
+		bool includePrerelease;
+		
 		public PackagesViewModel(
 			IRegisteredPackageRepositories registeredPackageRepositories,
 			IPackageViewModelFactory packageViewModelFactory,
@@ -267,7 +268,7 @@ namespace ICSharpCode.PackageManagement
 		{
 			var repository = registeredPackageRepositories.ActiveRepository;
 			var packageFromRepository = new PackageFromRepository(package, repository);
-			return packageViewModelFactory.CreatePackageViewModel(packageFromRepository);
+			return packageViewModelFactory.CreatePackageViewModel(this, packageFromRepository);
 		}
 		
 		public int SelectedPageNumber {
@@ -404,5 +405,18 @@ namespace ICSharpCode.PackageManagement
 		protected IPackageActionRunner ActionRunner {
 			get { return packageViewModelFactory.PackageActionRunner; }
 		}
+		
+		public bool IncludePrerelease {
+			get { return includePrerelease; }
+			set {
+				if (includePrerelease != value) {
+					includePrerelease = value;
+					ReadPackages();
+					OnPropertyChanged(null);
+				}
+			}
+		}
+		
+		public bool ShowPrerelease { get; set; }
 	}
 }

src/AddIns/Misc/PackageManagement/Project/Src/UpdatedPackageViewModel.cs

@@ -9,12 +9,13 @@ namespace ICSharpCode.PackageManagement
 	public class UpdatedPackageViewModel : PackageViewModel
 	{
 		public UpdatedPackageViewModel(
+			IPackageViewModelParent parent,
 			IPackageFromRepository package,
 			SelectedProjectsForUpdatedPackages selectedProjects,
 			IPackageManagementEvents packageManagementEvents,
 			IPackageActionRunner actionRunner,
 			ILogger logger)
-			: base(package, selectedProjects, packageManagementEvents, actionRunner, logger)
+			: base(parent, package, selectedProjects, packageManagementEvents, actionRunner, logger)
 		{
 		}
 		

src/AddIns/Misc/PackageManagement/Project/Src/UpdatedPackageViewModelFactory.cs

@@ -16,9 +16,10 @@ namespace ICSharpCode.PackageManagement
 			selectedProjectsForUpdatedPackages = new SelectedProjectsForUpdatedPackages(Solution);
 		}
 		
-		public override PackageViewModel CreatePackageViewModel(IPackageFromRepository package)
+		public override PackageViewModel CreatePackageViewModel(IPackageViewModelParent parent, IPackageFromRepository package)
 		{
 			return new UpdatedPackageViewModel(
+				parent,
 				package,
 				selectedProjectsForUpdatedPackages,
 				PackageManagementEvents,

src/AddIns/Misc/PackageManagement/Project/Src/UpdatedPackages.cs

@@ -34,12 +34,12 @@ namespace ICSharpCode.PackageManagement
 		
 		public string SearchTerms { get; set; }
 		
-		public IEnumerable<IPackage> GetUpdatedPackages()
+		public IEnumerable<IPackage> GetUpdatedPackages(bool includePrerelease = false)
 		{
 			IQueryable<IPackage> localPackages = installedPackages;
 			localPackages = FilterPackages(localPackages);
 			IEnumerable<IPackage> distinctLocalPackages = DistinctPackages(localPackages);
-			return GetUpdatedPackages(sourceRepository, distinctLocalPackages);
+			return GetUpdatedPackages(sourceRepository, distinctLocalPackages, includePrerelease);
 		}
 		
 		IQueryable<IPackage> GetInstalledPackages()
@@ -65,9 +65,12 @@ namespace ICSharpCode.PackageManagement
 			return packages;
 		}
 		
-		IEnumerable<IPackage> GetUpdatedPackages(IPackageRepository sourceRepository, IEnumerable<IPackage> localPackages)
+		IEnumerable<IPackage> GetUpdatedPackages(
+			IPackageRepository sourceRepository,
+			IEnumerable<IPackage> localPackages,
+			bool includePrelease)
 		{
-			return sourceRepository.GetUpdates(localPackages, false, false);
+			return sourceRepository.GetUpdates(localPackages, includePrelease, false);
 		}
 	}
 }

src/AddIns/Misc/PackageManagement/Project/Src/UpdatedPackagesViewModel.cs

@@ -35,6 +35,7 @@ namespace ICSharpCode.PackageManagement
 			
 			ShowPackageSources = true;
 			ShowUpdateAllPackages = true;
+			ShowPrerelease = true;
 		}
 		
 		void PackagesUpdated(object sender, EventArgs e)
@@ -78,7 +79,7 @@ namespace ICSharpCode.PackageManagement
 		
 		IQueryable<IPackage> GetUpdatedPackages()
 		{
-			return updatedPackages.GetUpdatedPackages().AsQueryable();
+			return updatedPackages.GetUpdatedPackages(IncludePrerelease).AsQueryable();
 		}
 		
 		protected override void TryUpdatingAllPackages()

src/AddIns/Misc/PackageManagement/Test/Src/AvailablePackagesViewModelTests.cs

@@ -419,7 +419,6 @@ namespace PackageManagement.Tests
 			PackageCollectionAssert.AreEqual(expectedPackages, viewModel.PackageViewModels);
 		}
 		
-		
 		[Test]
 		public void GetPackagesFromPackageSource_RepositoryHasThreePackagesWithSameIdButDifferentVersions_LatestPackageVersionOnlyRequestedFromPackageSource()
 		{
@@ -473,5 +472,71 @@ namespace PackageManagement.Tests
 			
 			Assert.IsFalse(enabled);
 		}
+		
+		[Test]
+		public void ShowPrerelease_ByDefault_ReturnsTrue()
+		{
+			CreateViewModel();
+			
+			bool show = viewModel.ShowPrerelease;
+			
+			Assert.IsTrue(show);
+		}
+		
+		[Test]
+		public void ReadPackages_RepositoryHasPrereleasePackageAndIncludePrereleaseIsTrue_HasPrereleasePackageInList()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = true;
+			var prereleasePackage = new FakePackage("Test", "1.1.0-alpha") { IsLatestVersion = false };
+			var expectedPackages = new FakePackage[] { prereleasePackage };
+			registeredPackageRepositories.FakeActiveRepository.FakePackages.AddRange(expectedPackages);
+			
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, viewModel.PackageViewModels);
+		}
+		
+		[Test]
+		public void ReadPackages_RepositoryHasThreePrereleasePackagesWithSameIdButDifferentVersionsAndIncludePrereleaseIsTrue_HasLatestPreleasePackageVersionOnly()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = true;
+			var package1 = new FakePackage("Test", "0.1.0.0-alpha") { IsLatestVersion = false };
+			var package2 = new FakePackage("Test", "0.2.0.0-alpha") { IsLatestVersion = false };
+			var package3 = new FakePackage("Test", "0.3.0.0-alpha") { IsLatestVersion = false };
+			var packages = new FakePackage[] {
+				package1, package2, package3
+			};
+			registeredPackageRepositories.FakeActiveRepository.FakePackages.AddRange(packages);
+			
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			
+			var expectedPackages = new FakePackage[] {
+				package3
+			};
+			PackageCollectionAssert.AreEqual(expectedPackages, viewModel.PackageViewModels);
+		}
+		
+		[Test]
+		public void PackageViewModels_GetParentOfPackageViewModel_ReturnsAvailablePackagesViewModel()
+		{
+			CreateViewModel();
+			var package1 = new FakePackage("Test", "0.1.0.0");
+			var package2 = new FakePackage("Test", "0.2.0.0");
+			var packages = new FakePackage[] {
+				package1, package2
+			};
+			registeredPackageRepositories.FakeActiveRepository.FakePackages.AddRange(packages);
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			PackageViewModel childViewModel = viewModel.PackageViewModels.First();
+			
+			IPackageViewModelParent parent = childViewModel.GetParent();
+			
+			Assert.AreEqual(viewModel, parent);
+		}
 	}
 }

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

@@ -16,10 +16,11 @@ namespace PackageManagement.Tests.Helpers
 		public FakeLogger FakeLogger = new FakeLogger();
 		public FakePackageActionRunner FakeActionRunner = new FakePackageActionRunner();
 		
-		public PackageViewModel CreatePackageViewModel(IPackageFromRepository package)
+		public PackageViewModel CreatePackageViewModel(IPackageViewModelParent parent, IPackageFromRepository package)
 		{
 			SelectedProjects = new PackageManagementSelectedProjects(FakeSolution);
 			return new PackageViewModel(
+				parent,
 				package,
 				SelectedProjects,
 				FakePackageManagementEvents,

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

@@ -19,13 +19,16 @@ namespace PackageManagement.Tests.Helpers
 		public ILogger LoggerUsedWhenCreatingPackageResolver;
 		public FakePackageActionRunner FakeActionRunner;
 		
-		public TestableInstalledPackageViewModel()
-			: this(new FakePackageManagementSolution())
+		public TestableInstalledPackageViewModel(IPackageViewModelParent parent)
+			: this(parent, new FakePackageManagementSolution())
 		{
 		}
 		
-		public TestableInstalledPackageViewModel(FakePackageManagementSolution solution)
+		public TestableInstalledPackageViewModel(
+			IPackageViewModelParent parent,
+			FakePackageManagementSolution solution)
 			: this(
+				parent,
 				new FakePackage(),
 				new SelectedProjectsForInstalledPackages(solution),
 				new FakePackageManagementEvents(),
@@ -37,12 +40,14 @@ namespace PackageManagement.Tests.Helpers
 		}
 		
 		public TestableInstalledPackageViewModel(
+			IPackageViewModelParent parent,
 			FakePackage package,
 			SelectedProjectsForInstalledPackages selectedProjects,
 			FakePackageManagementEvents packageManagementEvents,
 			FakePackageActionRunner actionRunner,
 			FakeLogger logger)
 			: base(
+				parent,
 				package,
 				selectedProjects,
 				packageManagementEvents,

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

@@ -16,8 +16,11 @@ namespace PackageManagement.Tests.Helpers
 		public FakeLogger FakeLogger;
 		public FakePackageActionRunner FakeActionRunner;
 		
-		public TestablePackageViewModel(FakePackageManagementSolution solution)
+		public TestablePackageViewModel(
+			IPackageViewModelParent parent,
+			FakePackageManagementSolution solution)
 			: this(
+				parent,
 				new FakePackage("Test"),
 				new PackageManagementSelectedProjects(solution),
 				new FakePackageManagementEvents(),
@@ -28,12 +31,14 @@ namespace PackageManagement.Tests.Helpers
 		}
 		
 		public TestablePackageViewModel(
+			IPackageViewModelParent parent,
 			FakePackage package,
 			PackageManagementSelectedProjects selectedProjects,
 			FakePackageManagementEvents packageManagementEvents,
 			FakePackageActionRunner actionRunner,
 			FakeLogger logger)
 			: base(
+				parent,
 				package,
 				selectedProjects,
 				packageManagementEvents,
@@ -72,7 +77,7 @@ namespace PackageManagement.Tests.Helpers
 		
 		public PackageOperation AddOneFakeUninstallPackageOperation()
 		{
-			var package = new FakePackage("PackageToUninstall");			
+			var package = new FakePackage("PackageToUninstall");
 			var operation = new FakePackageOperation(package, PackageAction.Uninstall);
 			FakeSolution.FakeProjectToReturnFromGetProject.FakeInstallOperations.Add(operation);
 			return operation;

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

@@ -18,8 +18,11 @@ namespace PackageManagement.Tests.Helpers
 		public ILogger LoggerUsedWhenCreatingPackageResolver;
 		public FakePackageActionRunner FakeActionRunner;
 		
-		public TestableUpdatedPackageViewModel(FakePackageManagementSolution solution)
+		public TestableUpdatedPackageViewModel(
+			IPackageViewModelParent parent,
+			FakePackageManagementSolution solution)
 			: this(
+				parent,
 				new FakePackage(),
 				new SelectedProjectsForUpdatedPackages(solution),
 				new FakePackageManagementEvents(),
@@ -30,12 +33,14 @@ namespace PackageManagement.Tests.Helpers
 		}
 		
 		public TestableUpdatedPackageViewModel(
+			IPackageViewModelParent parent,
 			FakePackage package,
 			SelectedProjectsForUpdatedPackages selectedProjects,
 			FakePackageManagementEvents packageManagementEvents,
 			FakePackageActionRunner actionRunner,
 			FakeLogger logger)
 			: base(
+				parent,
 				package,
 				selectedProjects,
 				packageManagementEvents,

src/AddIns/Misc/PackageManagement/Test/Src/InstalledPackageViewModelTests.cs

@@ -8,6 +8,7 @@ using ICSharpCode.PackageManagement.Design;
 using NuGet;
 using NUnit.Framework;
 using PackageManagement.Tests.Helpers;
+using Rhino.Mocks;
 
 namespace PackageManagement.Tests
 {
@@ -24,7 +25,8 @@ namespace PackageManagement.Tests
 		
 		void CreateViewModel()
 		{
-			viewModel = new TestableInstalledPackageViewModel();
+			IPackageViewModelParent parent = MockRepository.GenerateStub<IPackageViewModelParent>();
+			viewModel = new TestableInstalledPackageViewModel(parent);
 			fakeSolution = viewModel.FakeSolution;
 			fakeActionRunner = viewModel.FakeActionRunner;
 			fakePackage = viewModel.FakePackage;
@@ -135,7 +137,7 @@ namespace PackageManagement.Tests
 			GetPackageActionsForSelectedProjects();
 			
 			var action = packageActions[0] as InstallPackageAction;
-			InstallPackageAction expectedAction = FirstSelectedProject.FakeProject.FakeInstallPackageAction;
+			InstallPackageAction expectedAction = FirstSelectedProject.FakeProject.LastInstallPackageCreated;
 		
 			Assert.AreEqual(expectedAction, action);
 		}

src/AddIns/Misc/PackageManagement/Test/Src/InstalledPackagesViewModelTests.cs

@@ -2,6 +2,7 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
+using System.Linq;
 using ICSharpCode.PackageManagement;
 using ICSharpCode.PackageManagement.Design;
 using NuGet;
@@ -224,5 +225,18 @@ namespace PackageManagement.Tests
 		
 			Assert.AreEqual(0, viewModel.PackageViewModels.Count);
 		}
+		
+		[Test]
+		public void PackageViewModels_ChildViewModelParent_IsInstalledPackagesViewModel()
+		{
+			CreateViewModel();
+			FakePackage package = AddPackageToProjectLocalRepository();
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+		
+			PackageViewModel childViewModel = viewModel.PackageViewModels.First();
+			IPackageViewModelParent parent = childViewModel.GetParent();
+			Assert.AreEqual(viewModel, parent);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/PackageViewModelTests.cs

@@ -10,6 +10,7 @@ using ICSharpCode.PackageManagement.Scripting;
 using NuGet;
 using NUnit.Framework;
 using PackageManagement.Tests.Helpers;
+using Rhino.Mocks;
 
 namespace PackageManagement.Tests
 {
@@ -22,11 +23,11 @@ namespace PackageManagement.Tests
 		FakePackageManagementEvents fakePackageManagementEvents;
 		ExceptionThrowingPackageManagementSolution exceptionThrowingSolution;
 		ExceptionThrowingPackageManagementProject exceptionThrowingProject;
-		FakeInstallPackageAction fakeInstallPackageAction;
 		FakeUninstallPackageAction fakeUninstallPackageAction;
 		FakeLogger fakeLogger;
 		FakePackageActionRunner fakeActionRunner;
 		List<FakeSelectedProject> fakeSelectedProjects;
+		IPackageViewModelParent viewModelParent;
 		
 		void CreateFakeSolution()
 		{
@@ -56,12 +57,12 @@ namespace PackageManagement.Tests
 		
 		void CreateViewModel(FakePackageManagementSolution solution)
 		{
-			viewModel = new TestablePackageViewModel(solution);
+			viewModelParent = MockRepository.GenerateStub<IPackageViewModelParent>();
+			viewModel = new TestablePackageViewModel(viewModelParent, solution);
 			fakePackage = viewModel.FakePackage;
 			this.fakeSolution = solution;
 			fakePackageManagementEvents = viewModel.FakePackageManagementEvents;
 			fakeLogger = viewModel.FakeLogger;
-			fakeInstallPackageAction = solution.FakeProjectToReturnFromGetProject.FakeInstallPackageAction;
 			fakeUninstallPackageAction = solution.FakeProjectToReturnFromGetProject.FakeUninstallPackageAction;
 			fakeActionRunner = viewModel.FakeActionRunner;
 		}
@@ -147,6 +148,11 @@ namespace PackageManagement.Tests
 			get { return fakeSelectedProjects[1]; }
 		}
 		
+		void ParentAllowsPrereleasePackages()
+		{
+			viewModelParent.Stub(parent => parent.IncludePrerelease).Return(true);
+		}
+		
 		[Test]
 		public void AddPackageCommand_CommandExecuted_InstallsPackage()
 		{
@@ -154,8 +160,9 @@ namespace PackageManagement.Tests
 			viewModel.AddOneFakeInstallPackageOperationForViewModelPackage();
 			
 			viewModel.AddPackageCommand.Execute(null);
-						
-			Assert.AreEqual(fakePackage, fakeInstallPackageAction.Package);
+			
+			IPackage package = fakeSolution.FakeProjectToReturnFromGetProject.LastInstallPackageCreated.Package;
+			Assert.AreEqual(fakePackage, package);
 		}
 		
 		[Test]
@@ -178,8 +185,8 @@ namespace PackageManagement.Tests
 			viewModel.AddPackage();
 			
 			IPackageAction actionExecuted = fakeActionRunner.ActionPassedToRun;
-			
-			Assert.AreEqual(fakeInstallPackageAction, actionExecuted);
+			IPackageAction action = fakeSolution.FakeProjectToReturnFromGetProject.LastInstallPackageCreated;
+			Assert.AreEqual(action, actionExecuted);
 		}
 		
 		[Test]
@@ -193,7 +200,8 @@ namespace PackageManagement.Tests
 				new PackageOperation(fakePackage, PackageAction.Install)
 			};
 			
-			CollectionAssert.AreEqual(expectedOperations, fakeInstallPackageAction.Operations);
+			FakeInstallPackageAction action = fakeSolution.FakeProjectToReturnFromGetProject.LastInstallPackageCreated;
+			CollectionAssert.AreEqual(expectedOperations, action.Operations);
 		}
 		
 		[Test]
@@ -215,7 +223,8 @@ namespace PackageManagement.Tests
 			CreateViewModel();
 			IPackage packagePassedToInstallPackageWhenPropertyNameChanged = null;
 			viewModel.PropertyChanged += (sender, e) => {
-				packagePassedToInstallPackageWhenPropertyNameChanged = fakeInstallPackageAction.Package;
+				packagePassedToInstallPackageWhenPropertyNameChanged = 
+					fakeSolution.FakeProjectToReturnFromGetProject.LastInstallPackageCreated.Package;
 			};
 			viewModel.AddPackage();
 			
@@ -481,7 +490,8 @@ namespace PackageManagement.Tests
 			
 			viewModel.AddPackage();
 			
-			Assert.IsFalse(fakeInstallPackageAction.IsExecuteCalled);
+			FakeInstallPackageAction action = fakeSolution.FakeProjectToReturnFromGetProject.LastInstallPackageCreated;
+			Assert.IsFalse(action.IsExecuteCalled);
 		}
 		
 		[Test]
@@ -732,6 +742,21 @@ namespace PackageManagement.Tests
 			Assert.IsFalse(result);
 		}
 		
+		[Test]
+		public void AddPackage_ParentHasIncludePrereleaseSetToTrueWhenInstalling_PrereleaseVersionsAllowedWhenCheckingForPackageOperations()
+		{
+			CreateViewModel();
+			ParentAllowsPrereleasePackages();
+			viewModel.AddOneFakeInstallPackageOperationForViewModelPackage();
+			viewModel.AddPackage();
+			
+			bool result = fakeSolution
+				.FakeProjectToReturnFromGetProject
+				.AllowPrereleaseVersionsPassedToGetInstallPackageOperations;
+			
+			Assert.IsTrue(result);
+		}
+		
 		[Test]
 		public void RemovePackage_PackageRemovedSuccessfully_PackageIsRemoved()
 		{
@@ -898,18 +923,48 @@ namespace PackageManagement.Tests
 			CreateTwoFakeSelectedProjects();
 			FakeSelectedProject project = fakeSelectedProjects[1];
 			project.IsSelected = true;
-			InstallPackageAction expectedAction = project.FakeInstallPackageAction;
 			
 			viewModel.ManagePackagesForSelectedProjects(fakeSelectedProjects);
 			
 			List<IPackageAction> actions = fakeActionRunner.GetActionsRunInOneCallAsList();
 			InstallPackageAction action = actions[0] as InstallPackageAction;
-			
+			InstallPackageAction expectedAction = project.FakeProject.LastInstallPackageCreated;
 			Assert.AreEqual(1, actions.Count);
 			Assert.AreEqual(fakePackage, action.Package);
 			Assert.AreEqual(expectedAction, action);
 		}
 		
+		[Test]
+		public void ManagePackagesForSelectedProjects_ParentAllowsPrereleasePackagesAndOneProjectIsSelected_OneProjectIsInstalledAllowingPrereleasePackages()
+		{
+			CreateViewModel();
+			CreateTwoFakeSelectedProjects();
+			ParentAllowsPrereleasePackages();
+			FakeSelectedProject project = fakeSelectedProjects[1];
+			project.IsSelected = true;
+			
+			viewModel.ManagePackagesForSelectedProjects(fakeSelectedProjects);
+			
+			List<IPackageAction> actions = fakeActionRunner.GetActionsRunInOneCallAsList();
+			InstallPackageAction action = actions[0] as InstallPackageAction;
+			Assert.IsTrue(action.AllowPrereleaseVersions);
+		}
+		
+		[Test]
+		public void ManagePackagesForSelectedProjects_ParentDoesNotAllowPrereleasePackagesAndOneProjectIsSelected_OneProjectIsInstalledNotAllowingPrereleasePackages()
+		{
+			CreateViewModel();
+			CreateTwoFakeSelectedProjects();
+			FakeSelectedProject project = fakeSelectedProjects[1];
+			project.IsSelected = true;
+			
+			viewModel.ManagePackagesForSelectedProjects(fakeSelectedProjects);
+			
+			List<IPackageAction> actions = fakeActionRunner.GetActionsRunInOneCallAsList();
+			InstallPackageAction action = actions[0] as InstallPackageAction;
+			Assert.IsFalse(action.AllowPrereleaseVersions);
+		}
+		
 		[Test]
 		public void ManagePackagesForSelectedProjects_FirstProjectIsSelectedAndPackageOperationRequiresLicenseAcceptance_UserPromptedToAcceptLicenses()
 		{
@@ -986,6 +1041,25 @@ namespace PackageManagement.Tests
 			Assert.IsFalse(allowed);
 		}
 		
+		[Test]
+		public void ManagePackagesForSelectedProjects_ParentAllowsPrereleasesAndFirstProjectIsSelectedAndPackageOperationRequiresLicenseAcceptance_PrereleaseVersionsAreAllowedInPackageOperations()
+		{
+			CreateViewModel();
+			CreateTwoFakeSelectedProjects();
+			FakeSelectedProject selectedProject = fakeSelectedProjects[0];
+			selectedProject.IsSelected = true;
+			FakePackageOperation operation = selectedProject.AddFakeInstallPackageOperation();
+			operation.FakePackage.RequireLicenseAcceptance = true;
+			fakePackageManagementEvents.OnAcceptLicensesReturnValue = false;
+			ParentAllowsPrereleasePackages();
+			
+			viewModel.ManagePackagesForSelectedProjects(fakeSelectedProjects);
+			
+			bool allowed = selectedProject.FakeProject.AllowPrereleaseVersionsPassedToGetInstallPackageOperations;
+			
+			Assert.IsTrue(allowed);
+		}
+		
 		[Test]
 		public void ManagePackagesForSelectedProjects_FirstProjectIsSelectedAndTwoPackageOperationsRequireLicenseAcceptance_UserPromptedToAcceptLicensesForTwoPackages()
 		{
@@ -1110,7 +1184,7 @@ namespace PackageManagement.Tests
 				
 			viewModel.ManagePackagesForSelectedProjects(fakeSelectedProjects);
 			
-			InstallPackageAction expectedAction = FirstFakeSelectedProject.FakeInstallPackageAction;
+			InstallPackageAction expectedAction = FirstFakeSelectedProject.FakeProject.LastInstallPackageCreated;
 			List<IPackageAction> actions = fakeActionRunner.GetActionsRunInOneCallAsList();
 			InstallPackageAction action = actions[0] as InstallPackageAction;
 			
@@ -1269,5 +1343,30 @@ namespace PackageManagement.Tests
 			
 			Assert.AreEqual("Expected description", summary);
 		}
+		
+		[Test]
+		public void AddPackage_ParentAllowsPrereleasePackages_PackageIsInstalledAllowingPrereleasePackages()
+		{
+			CreateViewModel();
+			ParentAllowsPrereleasePackages();
+			viewModel.AddOneFakeInstallPackageOperationForViewModelPackage();
+			
+			viewModel.AddPackage();
+			
+			var action = fakeActionRunner.ActionPassedToRun as InstallPackageAction;
+			Assert.IsTrue(action.AllowPrereleaseVersions);
+		}
+		
+		[Test]
+		public void AddPackage_ParentDoesNotAllowPrereleasePackages_PackageIsInstalledNotAllowingPrereleasePackages()
+		{
+			CreateViewModel();
+			viewModel.AddOneFakeInstallPackageOperationForViewModelPackage();
+			
+			viewModel.AddPackage();
+			
+			var action = fakeActionRunner.ActionPassedToRun as InstallPackageAction;
+			Assert.IsFalse(action.AllowPrereleaseVersions);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/PackagesViewModelTests.cs

@@ -1297,5 +1297,69 @@ namespace PackageManagement.Tests
 			
 			Assert.IsFalse(viewModel.IsDisposed);
 		}
+		
+		[Test]
+		public void IncludePrerelease_ChangedToTrue_PackagesAreReadAgain()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = false;
+			viewModel.AddSixFakePackages();
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			ClearReadPackagesTasks();
+			
+			viewModel.IncludePrerelease = true;
+			
+			Assert.IsTrue(viewModel.IsReadingPackages);
+		}
+		
+		[Test]
+		public void IncludePrerelease_ChangedToFalse_PackagesAreReadAgain()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = true;
+			viewModel.AddSixFakePackages();
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			ClearReadPackagesTasks();
+			
+			viewModel.IncludePrerelease = false;
+			
+			Assert.IsTrue(viewModel.IsReadingPackages);
+		}
+		
+		[Test]
+		public void IncludePrerelease_ChangedToTrue_PropertyChangedEventIsFired()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = false;
+			viewModel.AddSixFakePackages();
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			ClearReadPackagesTasks();
+			PropertyChangedEventArgs propertyChangedEvent = null;
+			viewModel.PropertyChanged += (sender, e) => propertyChangedEvent = e;
+			
+			viewModel.IncludePrerelease = true;
+			
+			Assert.IsNull(propertyChangedEvent.PropertyName);
+		}
+		
+		[Test]
+		public void IncludePrerelease_SetToTrueWhenAlreadyTrue_PropertyChangedEventIsNotFired()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = true;
+			viewModel.AddSixFakePackages();
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			ClearReadPackagesTasks();
+			bool fired = false;
+			viewModel.PropertyChanged += (sender, e) => fired = true;
+			
+			viewModel.IncludePrerelease = true;
+			
+			Assert.IsFalse(fired);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/UpdatedPackageViewModelTests.cs

@@ -9,6 +9,7 @@ using ICSharpCode.PackageManagement.Scripting;
 using NuGet;
 using NUnit.Framework;
 using PackageManagement.Tests.Helpers;
+using Rhino.Mocks;
 
 namespace PackageManagement.Tests
 {
@@ -20,6 +21,7 @@ namespace PackageManagement.Tests
 		FakePackageManagementProject fakeProject;
 		FakePackageActionRunner fakeActionRunner;
 		FakePackageManagementEvents fakePackageManagementEvents;
+		IPackageViewModelParent viewModelParent;
 		
 		void CreateViewModel()
 		{
@@ -29,7 +31,8 @@ namespace PackageManagement.Tests
 		
 		void CreateViewModel(FakePackageManagementSolution fakeSolution)
 		{
-			viewModel = new TestableUpdatedPackageViewModel(fakeSolution);
+			viewModelParent = MockRepository.GenerateStub<IPackageViewModelParent>();
+			viewModel = new TestableUpdatedPackageViewModel(viewModelParent, fakeSolution);
 			fakeProject = fakeSolution.FakeProjectToReturnFromGetProject;
 			fakeActionRunner = viewModel.FakeActionRunner;
 			fakePackageManagementEvents = viewModel.FakePackageManagementEvents;

src/AddIns/Misc/PackageManagement/Test/Src/UpdatedPackagesTests.cs

@@ -21,6 +21,7 @@ namespace PackageManagement.Tests
 		List<IPackage> installedPackages;
 		List<IPackage> sourceRepositoryPackages;
 		List<IPackage> packagesUsedWhenCheckingForUpdates;
+		bool includePreleaseUsedWhenCheckingForUpdates;
 		
 		[SetUp]
 		public void Init()
@@ -44,7 +45,10 @@ namespace PackageManagement.Tests
 					Arg<bool>.Is.Anything,
 					Arg<IEnumerable<FrameworkName>>.Is.Anything,
 					Arg<IEnumerable<IVersionSpec>>.Is.Anything))
-				.WhenCalled(call => packagesUsedWhenCheckingForUpdates.AddRange(call.Arguments[0] as IEnumerable<IPackage>))
+				.WhenCalled(call => {
+					includePreleaseUsedWhenCheckingForUpdates = (bool)call.Arguments[1];
+					packagesUsedWhenCheckingForUpdates.AddRange(call.Arguments[0] as IEnumerable<IPackage>);
+				 })
 				.Return(sourceRepositoryPackages.AsQueryable());
 			
 			updatedPackages = new UpdatedPackages(installedPackages.AsQueryable(), sourceRepository);
@@ -125,5 +129,27 @@ namespace PackageManagement.Tests
 			
 			PackageCollectionAssert.AreEqual(expectedPackages, packagesUsedWhenCheckingForUpdates);
 		}
+		
+		[Test]
+		public void GetUpdatedPackages_AllowPrereleaseIsTrue_PrereleasePackagesAllowedForUpdates()
+		{
+			AddInstalledPackage("Test", "1.0");
+			CreateUpdatedPackages();
+			
+			updatedPackages.GetUpdatedPackages(includePrerelease: true);
+			
+			Assert.IsTrue(includePreleaseUsedWhenCheckingForUpdates);
+		}
+		
+		[Test]
+		public void GetUpdatedPackages_AllowPrereleaseIsFalse_PrereleasePackagesNotAllowedForUpdates()
+		{
+			AddInstalledPackage("Test", "1.0");
+			CreateUpdatedPackages();
+			
+			updatedPackages.GetUpdatedPackages(includePrerelease: false);
+			
+			Assert.IsFalse(includePreleaseUsedWhenCheckingForUpdates);
+		}
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/UpdatedPackagesViewModelTests.cs

@@ -342,6 +342,20 @@ namespace PackageManagement.Tests
 			Assert.AreEqual(0, viewModel.PackageViewModels.Count);
 		}
 		
+		[Test]
+		public void ReadPackages_PrereleasePackageVersionAvailableAndIncludePrereleaseIsTrue_UpdateFound()
+		{
+			CreateViewModel();
+			viewModel.IncludePrerelease = true;
+			AddPackageToLocalRepository("Test", "1.0.0");
+			FakePackage newerPackage = AddPackageToActiveRepository("Test", "1.1.0-alpha");
+			var expectedPackages = new FakePackage[] { newerPackage };
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			
+			PackageCollectionAssert.AreEqual(expectedPackages, viewModel.PackageViewModels);
+		}
+		
 		[Test]
 		public void ShowSources_TwoPackageSources_ReturnsTrue()
 		{
@@ -715,5 +729,29 @@ namespace PackageManagement.Tests
 			
 			Assert.AreEqual(0, viewModel.PackageViewModels.Count);
 		}
+		
+		[Test]
+		public void ShowPrerelease_ByDefault_ReturnsTrue()
+		{
+			CreateViewModel();
+			
+			bool show = viewModel.ShowPrerelease;
+			
+			Assert.IsTrue(show);
+		}
+		
+		[Test]
+		public void PackageViewModels_ChildPackageViewModelParent_IsUpdatedPackagesViewModel()
+		{
+			CreateViewModel();
+			AddPackageToLocalRepository("Test", "1.0.0.0");
+			FakePackage newerPackage = AddPackageToActiveRepository("Test", "1.1.0.0");
+			viewModel.ReadPackages();
+			CompleteReadPackagesTask();
+			
+			PackageViewModel childViewModel = viewModel.PackageViewModels.First();
+			IPackageViewModelParent parent = childViewModel.GetParent();
+			Assert.AreEqual(viewModel, parent);
+		}
 	}
 }