Add sources for MEFX

Composition.Diagnostics/Composition.Diagnostics.Tests/IntegrationTests.cs

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+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+using System;
+using System.Text;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.ComponentModel.Composition.Hosting;
+using System.ComponentModel.Composition.Primitives;
+
+namespace Microsoft.ComponentModel.Composition.Diagnostics.Tests
+{
+    [TestClass]
+    public class IntegrationTests
+    {
+        ComposablePartCatalog _catalog;
+        CompositionContainer _container;
+        CompositionInfo _analysis;
+
+        public IntegrationTests()
+        {
+            _catalog = new TypeCatalog(
+                typeof(Foo), typeof(Bar), typeof(Biff), typeof(MissingMeta),
+                typeof(WrongCreationPolicy), typeof(WrongTypeIdentity));
+
+            _container = new CompositionContainer(_catalog);
+
+            _analysis = new CompositionInfo(_catalog, _container);
+        }
+
+        [TestMethod]
+        public void FindsRootCauseOfRejection()
+        {
+            var fooInfo = _analysis.GetPartDefinitionInfo(typeof(Foo));
+
+            var rootCause = fooInfo.FindPossibleRootCauses().Single();
+
+            var barInfo = _analysis.GetPartDefinitionInfo(typeof(Bar));
+
+            Assert.AreSame(barInfo, rootCause);
+        }
+
+        [TestMethod]
+        public void FindsRootCauseOfRejectionWhenPartIsRootCause()
+        {
+            var barInfo = _analysis.GetPartDefinitionInfo(typeof(Bar));
+
+            var rootCause = barInfo.FindPossibleRootCauses().Single();
+
+            Assert.AreSame(barInfo, rootCause);
+        }
+
+        [TestMethod]
+        public void FindsThreeUnsuitableExportsForBiff()
+        {
+            var barInfo = _analysis.GetPartDefinitionInfo(typeof(Bar));
+
+            var biffImport = barInfo.ImportDefinitions.Single();
+
+            Assert.AreEqual(3, biffImport.UnsuitableExportDefinitions.Count());
+        }
+
+        [TestMethod]
+        public void DetectsMissingMetadataCase()
+        {
+            CheckReasonForBiffUnsuitability(
+                typeof(MissingMeta),
+                UnsuitableExportDefinitionReason.RequiredMetadata);
+        }
+
+        [TestMethod]
+        public void DetectsIncompatibleCreationPolicyCase()
+        {
+            CheckReasonForBiffUnsuitability(
+                typeof(WrongCreationPolicy),
+                UnsuitableExportDefinitionReason.CreationPolicy);
+        }
+
+        [TestMethod]
+        public void DetectsTypeIdentityCase()
+        {
+            CheckReasonForBiffUnsuitability(
+                typeof(WrongTypeIdentity),
+                UnsuitableExportDefinitionReason.TypeIdentity);
+        }
+
+        void CheckReasonForBiffUnsuitability(Type partType, UnsuitableExportDefinitionReason reason)
+        {
+            var barInfo = _analysis.GetPartDefinitionInfo(typeof(Bar));
+            var unsuitablePart = _analysis.GetPartDefinitionInfo(partType);
+
+            var issue = barInfo.ImportDefinitions.Single()
+                .UnsuitableExportDefinitions
+                .Where(ed => ed.PartDefinition == unsuitablePart)
+                .Single()
+                .Issues
+                .Single();
+
+            Assert.AreEqual(reason, issue.Reason);
+        }
+
+    }
+}

Composition.Diagnostics/Composition.Diagnostics.Tests/Microsoft.ComponentModel.Composition.Diagnostics.Tests.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>9.0.30729</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{3D2774F9-84F4-4261-BFEB-14D1F94C6E56}</ProjectGuid>
+    <OutputType>Library</OutputType>
+      <OutputPath>..\bin\CompositionDiagnostics</OutputPath>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Microsoft.ComponentModel.Composition.Diagnostics.Tests</RootNamespace>
+    <AssemblyName>Microsoft.ComponentModel.Composition.Diagnostics.Tests</AssemblyName>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework" />
+    <Reference Include="System" />
+    <Reference Include="System.ComponentModel.Composition" />
+    <Reference Include="System.Core" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="IntegrationTests.cs" />
+    <Compile Include="Scenario.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Composition.Diagnostics\Microsoft.ComponentModel.Composition.Diagnostics.csproj">
+      <Project>{0A44C587-989D-4785-9311-8BF8069BB775}</Project>
+      <Name>Microsoft.ComponentModel.Composition.Diagnostics</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

Composition.Diagnostics/Composition.Diagnostics.Tests/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Microsoft.ComponentModel.Composition.Diagnostics.Tests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("Microsoft.ComponentModel.Composition.Diagnostics.Tests")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2009")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM componenets.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("51737055-7531-4c89-97fd-3df748d7316f")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Revision and Build Numbers 
+// by using the '*' as shown below:
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

Composition.Diagnostics/Composition.Diagnostics.Tests/Scenario.cs

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+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.ComponentModel.Composition;
+
+namespace Microsoft.ComponentModel.Composition.Diagnostics.Tests
+{
+    public class Biff { }
+
+    public interface IBiffMetadata
+    {
+        string Name { get; }
+    }
+
+    public class MissingMeta
+    {
+        [Export("biff")]
+        public Biff Biff = new Biff();
+    }
+
+    [PartCreationPolicy(CreationPolicy.Shared)]
+    public class WrongCreationPolicy
+    {
+        [Export("biff"), ExportMetadata("Name", "BiffBiff")]
+        public Biff Biff = new Biff();
+    }
+
+    public class WrongTypeIdentity
+    {
+        [Export("biff"), ExportMetadata("Name", "Baf")]
+        public string Biff = "Yep";
+    }
+
+    [Export]
+    public class Bar
+    {
+        [Import("biff", RequiredCreationPolicy = CreationPolicy.NonShared)]
+        public Lazy<Biff, IBiffMetadata> Biff { get; set; }
+    }
+
+    [Export]
+    public class Foo
+    {
+        [Import]
+        public Bar Bar { get; set; }
+    }
+}

Composition.Diagnostics/Composition.Diagnostics/CompositionContractInfo.cs

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+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Microsoft.ComponentModel.Composition.Diagnostics
+{
+    /// <summary>
+    /// Describes use of a contract within a composition.
+    /// </summary>
+    public class CompositionContractInfo
+    {
+        public CompositionContractInfo(ContractInfo contract)
+        {
+            Contract = contract;
+            Importers = new HashSet<PartDefinitionInfo>();
+            Exporters = new HashSet<PartDefinitionInfo>();
+        }
+
+        /// <summary>
+        /// The contract.
+        /// </summary>
+        public ContractInfo Contract { get; private set; }
+
+        /// <summary>
+        /// Importers of the contract.
+        /// </summary>
+        public ICollection<PartDefinitionInfo> Importers { get; private set; }
+
+        /// <summary>
+        /// Exporters of the contract.
+        /// </summary>
+        public ICollection<PartDefinitionInfo> Exporters { get; private set; }
+    }
+}

Composition.Diagnostics/Composition.Diagnostics/CompositionElementTextFormatter.cs

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+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.ComponentModel.Composition.Primitives;
+
+namespace Microsoft.ComponentModel.Composition.Diagnostics
+{
+    /// <summary>
+    /// Pretty-printer for objects involved in compositoin.
+    /// </summary>
+    public static class CompositionElementTextFormatter
+    {
+        /// <summary>
+        /// Formats a composition element for display.
+        /// </summary>
+        /// <param name="compositionElement">Composition element, optionally
+        /// implementing ICompositionElement.</param>
+        /// <returns>String representation of compositionElement.</returns>
+        public static string DisplayCompositionElement(object compositionElement)
+        {
+            return compositionElement is ICompositionElement ?
+                ((ICompositionElement)compositionElement).DisplayName :
+                compositionElement.ToString();
+        }
+
+        /// <summary>
+        /// Formats extended information about a composition element for display.
+        /// </summary>
+        /// <param name="compositionElement">Composition element, optionally
+        /// implementing ICompositionElement.</param>
+        /// <returns>String description of compositionElement.</returns>
+        public static string DescribeCompositionElement(object compositionElement)
+        {
+            var result = new StringBuilder();
+
+            var nextInChain = compositionElement;
+
+            while (nextInChain != null)
+            {
+                var nextIce = nextInChain as ICompositionElement;
+                ICompositionElement parentIce = null;
+                if (nextIce == null)
+                {
+                    result.Append(nextInChain.ToString());
+                }
+                else
+                {
+                    result.Append(nextIce.DisplayName);
+                    parentIce = nextIce.Origin;
+                }
+
+                nextInChain = parentIce;
+
+                if (nextInChain != null)
+                    result.Append(" from: ");
+            }
+
+            return result.ToString();
+        }
+    }
+}