Enable Nullable for Xamarin.CommunityToolkit.Markup.UnitTests

azure-pipelines.yml

@@ -13,7 +13,8 @@ variables:
   PathToMarkupCsproj: 'src/Markup/Xamarin.CommunityToolkit.Markup/Xamarin.CommunityToolkit.Markup.csproj'
   PathToCommunityToolkitCsproj: 'src/CommunityToolkit/Xamarin.CommunityToolkit/Xamarin.CommunityToolkit.csproj'
   PathToSamplesSln: 'samples/XCT.Sample.sln'
-  PathToUnitTestCsproj: 'src/CommunityToolkit/Xamarin.CommunityToolkit.UnitTests/Xamarin.CommunityToolkit.UnitTests.csproj'
+  PathToCommunityToolkitUnitTestCsproj: 'src/CommunityToolkit/Xamarin.CommunityToolkit.UnitTests/Xamarin.CommunityToolkit.UnitTests.csproj'
+  PathToMarkupUnitTestCsproj: 'src/Markup/Xamarin.CommunityToolkit.Markup.UnitTests/Xamarin.CommunityToolkit.Markup.UnitTests.csproj'
   PathToMsBuildOnMacOS: 'mono /Applications/Visual\ studio.app/Contents/Resources/lib/monodevelop/bin/MSBuild/Current/bin/MSBuild.dll'
   PathToSln: 'samples/XCT.Sample.sln'
 
@@ -107,7 +108,7 @@ jobs:
           Contents: 'SignList.xml'
           TargetFolder: '$(Build.ArtifactStagingDirectory)/nuget'
       - task: MSBuild@1
-        displayName: Pack NuGets
+        displayName: Pack Community Toolkit NuGets
         inputs:
           solution: $(PathToCommunityToolkitCsproj)
           configuration: Release
@@ -132,9 +133,13 @@ jobs:
 #          custom: 'nuget'
 #          arguments: 'push --source https://nuget.pkg.github.com/xamarin/index.json --api-key $(GitHub.NuGet.Token) "$(Build.ArtifactStagingDirectory)\nuget\*.nupkg"'
       - task: CmdLine@2
-        displayName: 'Run Unit Tests'
+        displayName: 'Run Markup Unit Tests'
         inputs:
-          script: dotnet test $(PathToUnitTestCsproj) -c Release --collect "Code coverage" -p:BuildInParallel=false
+          script: dotnet test $(PathToMarkupUnitTestCsproj) -c Release --collect "Code coverage" -p:BuildInParallel=false
+      - task: CmdLine@2
+        displayName: 'Run Community Toolkit Unit Tests'
+        inputs:
+          script: dotnet test $(PathToCommunityToolkitUnitTestCsproj) -c Release --collect "Code coverage" -p:BuildInParallel=false
       # publish the packages
       - task: PublishBuildArtifacts@1
         displayName: 'Publish Unsigned NuGets'
@@ -193,15 +198,27 @@ jobs:
           version: $(NETCORE_TEST_VERSION_2_1)
           includePreviewVersions: false
       - task: CmdLine@2
-        displayName: 'Build Xamarin.CommunityToolkit.csproj'
+        displayName: 'Build Markup'
+        inputs:
+          script: '$(PathToMsBuildOnMacOS) $(PathToMarkupCsproj) /p:Configuration=Release /restore /t:Build /p:ContinuousIntegrationBuild=true /p:Deterministic=false'
+      - task: CmdLine@2
+        displayName: 'Build Community Toolkit'
         inputs:
           script: '$(PathToMsBuildOnMacOS) $(PathToCommunityToolkitCsproj) /p:Configuration=Release /restore /t:Build /p:ContinuousIntegrationBuild=true /p:Deterministic=false'
       - task: CmdLine@2
-        displayName: 'Run Unit Tests'
+        displayName: 'Run Markup Unit Tests'
+        inputs:
+          script: 'dotnet test $(PathToMarkupUnitTestCsproj) /p:Configuration=Release -p:BuildInParallel=false'
+      - task: CmdLine@2
+        displayName: 'Run Community Toolkit Unit Tests'
+        inputs:
+          script: 'dotnet test $(PathToCommunityToolkitUnitTestCsproj) /p:Configuration=Release -p:BuildInParallel=false'
+      - task: CmdLine@2
+        displayName: 'Pack Markup NuGets'
         inputs:
-          script: 'dotnet test $(PathToUnitTestCsproj) /p:Configuration=Release'
+          script: '$(PathToMsBuildOnMacOS) $(PathToMarkupUnitTestCsproj) /p:Configuration=Release /t:Pack /p:PackageVersion=$(NugetPackageVersion) /p:PackageOutputPath="$(Build.ArtifactStagingDirectory)/nuget"'
       - task: CmdLine@2
-        displayName: 'Pack NuGets'
+        displayName: 'Pack CommunityToolkit NuGets'
         inputs:
           script: '$(PathToMsBuildOnMacOS) $(PathToCommunityToolkitCsproj) /p:Configuration=Release /t:Pack /p:PackageVersion=$(NugetPackageVersion) /p:PackageOutputPath="$(Build.ArtifactStagingDirectory)/nuget"'
 

samples/XCT.Sample.sln

@@ -31,6 +31,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Xamarin.CommunityToolkit.Sa
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Xamarin.CommunityToolkit.Markup", "..\src\Markup\Xamarin.CommunityToolkit.Markup\Xamarin.CommunityToolkit.Markup.csproj", "{A5AAB927-15D7-498C-8295-4209F21836CE}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Xamarin.CommunityToolkit.Markup.UnitTests", "..\src\Markup\Xamarin.CommunityToolkit.Markup.UnitTests\Xamarin.CommunityToolkit.Markup.UnitTests.csproj", "{AAE423C4-E9B4-434E-885C-2164C12BF79C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -301,12 +303,37 @@ Global
 		{A5AAB927-15D7-498C-8295-4209F21836CE}.Release|x64.Build.0 = Release|Any CPU
 		{A5AAB927-15D7-498C-8295-4209F21836CE}.Release|x86.ActiveCfg = Release|Any CPU
 		{A5AAB927-15D7-498C-8295-4209F21836CE}.Release|x86.Build.0 = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|ARM.Build.0 = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|x64.Build.0 = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Debug|x86.Build.0 = Debug|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|ARM.ActiveCfg = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|ARM.Build.0 = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|iPhone.Build.0 = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|x64.ActiveCfg = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|x64.Build.0 = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|x86.ActiveCfg = Release|Any CPU
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{54B7812B-45A5-4FE2-9CEA-C5F17D65BDE9} = {47DFE508-04F1-433D-8C55-0C1ACD033573}
+		{AAE423C4-E9B4-434E-885C-2164C12BF79C} = {47DFE508-04F1-433D-8C55-0C1ACD033573}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {449686DB-B85A-4DFA-AA26-9BC92468CC2A}

src/Markup/Xamarin.CommunityToolkit.Markup.UnitTests/BaseTestFixture.cs

@@ -1,13 +1,14 @@
-using System.Globalization;
+using System;
+using System.Globalization;
 using NUnit.Framework;
 using Xamarin.Forms;
 
 namespace Xamarin.CommunityToolkit.Markup.UnitTests
 {
 	public class BaseTestFixture
 	{
-		CultureInfo defaultCulture;
-		CultureInfo defaultUICulture;
+		CultureInfo? defaultCulture;
+		CultureInfo? defaultUICulture;
 
 		[SetUp]
 		public virtual void Setup()
@@ -21,8 +22,9 @@ public virtual void Setup()
 		public virtual void TearDown()
 		{
 			Device.PlatformServices = null;
-			System.Threading.Thread.CurrentThread.CurrentCulture = defaultCulture;
-			System.Threading.Thread.CurrentThread.CurrentUICulture = defaultUICulture;
+
+			System.Threading.Thread.CurrentThread.CurrentCulture = defaultCulture ?? throw new NullReferenceException();
+			System.Threading.Thread.CurrentThread.CurrentUICulture = defaultUICulture ?? throw new NullReferenceException();
 		}
 	}
 }

src/Markup/Xamarin.CommunityToolkit.Markup.UnitTests/BindableLayoutExtensionsTests.cs

@@ -11,51 +11,51 @@ public class BindableLayoutExtensionsTests : MarkupBaseTestFixture<StackLayout>
 		public void EmptyView()
 		{
 			var view = new BoxView();
-			TestPropertiesSet(l => l.EmptyView(view), (BindableLayout.EmptyViewProperty, view));
+			TestPropertiesSet(l => l?.EmptyView(view), (BindableLayout.EmptyViewProperty, view));
 		}
 
 		[Test]
 		public void EmptyViewTemplate()
 		{
 			var template = new DataTemplate(() => new BoxView());
-			TestPropertiesSet(l => l.EmptyViewTemplate(template), (BindableLayout.EmptyViewTemplateProperty, template));
+			TestPropertiesSet(l => l?.EmptyViewTemplate(template), (BindableLayout.EmptyViewTemplateProperty, template));
 		}
 
 		[Test]
 		public void EmptyViewTemplateFunction()
 		{
 			Func<object> loadTemplate = () => new BoxView();
-			Bindable.EmptyViewTemplate(loadTemplate);
+			Bindable?.EmptyViewTemplate(loadTemplate);
 			Assert.That(BindableLayout.GetEmptyViewTemplate(Bindable), Is.Not.Null);
 		}
 
 		[Test]
 		public void ItemsSource()
 		{
 			var source = new string[] { };
-			TestPropertiesSet(l => l.ItemsSource(source), (BindableLayout.ItemsSourceProperty, source));
+			TestPropertiesSet(l => l?.ItemsSource(source), (BindableLayout.ItemsSourceProperty, source));
 		}
 
 		[Test]
 		public void ItemTemplate()
 		{
 			var template = new DataTemplate(() => new BoxView());
-			TestPropertiesSet(l => l.ItemTemplate(template), (BindableLayout.ItemTemplateProperty, template));
+			TestPropertiesSet(l => l?.ItemTemplate(template), (BindableLayout.ItemTemplateProperty, template));
 		}
 
 		[Test]
 		public void ItemTemplateFunction()
 		{
 			Func<object> loadTemplate = () => new BoxView();
-			Bindable.ItemTemplate(loadTemplate);
+			Bindable?.ItemTemplate(loadTemplate);
 			Assert.That(BindableLayout.GetItemTemplate(Bindable), Is.Not.Null);
 		}
 
 		[Test]
 		public void ItemTemplateSelector()
 		{
 			var selector = new Selector();
-			TestPropertiesSet(l => l.ItemTemplateSelector(selector), (BindableLayout.ItemTemplateSelectorProperty, selector));
+			TestPropertiesSet(l => l?.ItemTemplateSelector(selector), (BindableLayout.ItemTemplateSelectorProperty, selector));
 		}
 
 		class Selector : DataTemplateSelector