copy metadata from automapped properties

.gitignore

@@ -1,11 +1,11 @@
+
 *.user
 *.obj
 *.lib
 *.suo
 *.ncb
 *.cache
 *.gem
-[Ll]ib
 [Oo]bj
 [Bb]in
 [Bb]uild
@@ -14,4 +14,7 @@
 _ReSharper*/
 *.vs10x
 Source/Gallio Reports
-Source/TestResults
+Source/TestResults
+Source/_UpgradeReport_Files/
+*.orig
+Source/UpgradeLog*

Source/Debug.xunit

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xunit>
+  <assemblies>
+    <assembly filename="FluentMetadata.Core.Specs\bin\Debug\FluentMetadata.Core.Specs.dll" shadow-copy="true" />
+    <assembly filename="FluentMetadata.EntityFramework.Specs\bin\Debug\FluentMetadata.EntityFramework.Specs.dll" shadow-copy="true" />
+    <assembly filename="FluentMetadata.FluentNHibernate.Specs\bin\Debug\FluentMetadata.FluentNHibernate.Specs.dll" shadow-copy="true" />
+    <assembly filename="FluentMetadata.MVC.Specs\bin\Debug\FluentMetadata.MVC.Specs.dll" shadow-copy="true" />
+    <assembly filename="FluentMetadata.AutoMapper.Specs\bin\Debug\FluentMetadata.AutoMapper.Specs.dll" shadow-copy="true" />
+  </assemblies>
+</xunit>

Source/FluentMetadata.AutoMapper.Specs/FluentMetadata.AutoMapper.Specs.csproj

@@ -0,0 +1,75 @@
+<?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>8.0.30703</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{36BC8904-D8F8-4778-A5BB-F27F1346BAE9}</ProjectGuid>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>FluentMetadata.AutoMapper.Specs</RootNamespace>
+    <AssemblyName>FluentMetadata.AutoMapper.Specs</AssemblyName>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="AutoMapper">
+      <HintPath>..\packages\AutoMapper.1.1.0.118\lib\AutoMapper.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+    <Reference Include="xunit, Version=1.6.0.1516, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\external\xUnit\xunit.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SystemUnderTest.cs" />
+    <Compile Include="When_copying_metadata_from_an_AutoMapped_Type.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\FluentMetadata.AutoMapper\FluentMetadata.AutoMapper.csproj">
+      <Project>{3EA6A0AC-8377-4C2F-A0EA-61278245620E}</Project>
+      <Name>FluentMetadata.AutoMapper</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\FluentMetadata.Core\FluentMetadata.Core.csproj">
+      <Project>{C73F37FA-D859-4714-8335-35069322176A}</Project>
+      <Name>FluentMetadata.Core</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\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>

Source/FluentMetadata.AutoMapper.Specs/Properties/AssemblyInfo.cs

@@ -0,0 +1,35 @@
+using System.Reflection;
+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("FluentMetadata.AutoMapper.Specs")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("FluentMetadata.AutoMapper.Specs")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2011")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  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("10e83014-1379-41a6-821d-50d5a1317676")]
+
+// 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 Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

Source/FluentMetadata.AutoMapper.Specs/SystemUnderTest.cs

@@ -0,0 +1,64 @@
+using AutoMapper;
+namespace FluentMetadata.AutoMapper.Specs
+{
+    class Source
+    {
+        public string MyProperty { get; set; }
+        public int Named { get; set; }
+        public Nested Nested { get; set; }
+        public string StringField { get; set; }
+    }
+
+    class Nested
+    {
+        public FurtherNested FurtherNested { get; set; }
+    }
+
+    class FurtherNested
+    {
+        public int Id { get; set; }
+    }
+
+    class Destination
+    {
+        public string MyProperty { get; set; }
+        public int Renamed { get; set; }
+        public int NestedFurtherNestedId { get; set; }
+        public int IntProperty { get; set; }
+    }
+
+    class FakeResolver : ValueResolver<string, int>
+    {
+        protected override int ResolveCore(string source)
+        {
+            return default(int);
+        }
+    }
+
+    class SourceMetaData : ClassMetadata<Source>
+    {
+        public SourceMetaData()
+        {
+            Class.Display.Name("rzjsfghgafsdfh");
+            Property(x => x.MyProperty).Display.Name("pockänsdfsdf");
+            Property(x => x.Named).Description("adföoiulkanhsda");
+            Property(x => x.StringField).UIHint("üoicvnqwnb");
+        }
+    }
+
+    class FurtherNestedMetaData : ClassMetadata<FurtherNested>
+    {
+        public FurtherNestedMetaData()
+        {
+            Property(x => x.Id).Is.Required();
+        }
+    }
+
+    class TargetMetaData : ClassMetadata<Destination>
+    {
+        public TargetMetaData()
+        {
+            this.CopyAutoMappedMetadataFrom(typeof(Source));
+        }
+    }
+}

Source/FluentMetadata.AutoMapper.Specs/When_copying_metadata_from_an_AutoMapped_Type.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Linq;
+using AutoMapper;
+using Xunit;
+
+namespace FluentMetadata.AutoMapper.Specs
+{
+    public class When_copying_metadata_from_an_AutoMapped_Type : IDisposable
+    {
+        Metadata destinationMetadata,
+            destinationMyPropertyMetadata,
+            destinationRenamedMetadata,
+            destinationNestedFurtherNestedIdMetadata,
+            destinationIntPropertyMetadata;
+
+        public When_copying_metadata_from_an_AutoMapped_Type()
+        {
+            Mapper.CreateMap<Source, Destination>()
+                .ForMember(d => d.Renamed, o => o.MapFrom(s => s.Named))
+                .ForMember(d => d.IntProperty, o => o.ResolveUsing<FakeResolver>().FromMember(s => s.StringField));
+            Mapper.AssertConfigurationIsValid();
+
+            FluentMetadataBuilder.ForAssemblyOfType<Source>();
+
+            var query = new QueryFluentMetadata();
+            destinationMetadata = query.GetMetadataFor(typeof(Destination));
+            destinationMyPropertyMetadata = destinationMetadata.Properties
+                .Single(m => m.ModelName == "MyProperty");
+            destinationRenamedMetadata = destinationMetadata.Properties
+                .Single(m => m.ModelName == "Renamed");
+            destinationNestedFurtherNestedIdMetadata = destinationMetadata.Properties
+                .Single(m => m.ModelName == "NestedFurtherNestedId");
+            destinationIntPropertyMetadata = destinationMetadata.Properties
+                .Single(m => m.ModelName == "IntProperty");
+        }
+
+        [Fact]
+        public void a_destination_property_should_have_metadata_from_the_source_property_it_is_mapped_to()
+        {
+            Assert.Equal("pockänsdfsdf", destinationMyPropertyMetadata.GetDisplayName());
+        }
+
+        [Fact]
+        public void the_destination_type_should_have_metadata_from_the_source_type_it_is_mapped_to()
+        {
+            Assert.Equal("rzjsfghgafsdfh", destinationMetadata.GetDisplayName());
+        }
+
+        //TODO [on AutoMapper update] check if AutoMapper makes projected source property accessible
+        [Fact(Skip = "unsupported until AutoMapper makes projected source property accessible")]
+        public void a_projected_destination_property_should_have_metadata_from_the_source_property_it_is_mapped_to()
+        {
+            Assert.Equal("adföoiulkanhsda", destinationRenamedMetadata.Description);
+        }
+
+        [Fact]
+        public void a_flattened_destination_property_should_have_metadata_from_the_source_property_it_is_mapped_to()
+        {
+            Assert.Equal(true, destinationNestedFurtherNestedIdMetadata.Required);
+        }
+
+        //TODO [on AutoMapper update] check if AutoMapper makes source property that destination property is resolved from accessible
+        [Fact(Skip = "unsupported until AutoMapper makes the source property the destination property is resolved from accessible")]
+        public void a_destination_property_resolved_from_a_source_property_should_have_metadata_from_the_source_property()
+        {
+            Assert.Equal("üoicvnqwnb", destinationIntPropertyMetadata.TemplateHint);
+        }
+
+        public void Dispose()
+        {
+            FluentMetadataBuilder.Reset();
+            Mapper.Reset();
+        }
+    }
+}

Source/FluentMetadata.AutoMapper.Specs/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="AutoMapper" version="1.1.0.118" />
+</packages>

Source/FluentMetadata.AutoMapper/AutoMapperHelper.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using AutoMapper;
+
+namespace FluentMetadata.AutoMapper
+{
+    internal class AutoMapperHelper
+    {
+        /// <summary>
+        /// Gets the mapped members for a source/destination type pair.
+        /// </summary>
+        /// <param name="source">The source Type.</param>
+        /// <param name="destination">The destination Type.</param>
+        /// <returns></returns>
+        internal static IEnumerable<MemberMap> GetMemberMapsOf(Type source, Type destination)
+        {
+            var maps = new Collection<MemberMap>();
+
+            foreach (var propertyMap in GetRelevantMappedMembersOf(source, destination))
+            {
+                // get the source property of the PropertyMap
+                var sourceValueResolvers = propertyMap.GetSourceValueResolvers()
+                    // just plain property maps, there's no interesting metadata on a custom mapping function
+                    .OfType<IMemberGetter>();
+                var sourceProperty = sourceValueResolvers
+                    // "There can be only one"
+                    .SingleOrDefault(svr => svr.MemberType == propertyMap.DestinationProperty.MemberType);
+
+                if (sourceProperty != null)
+                {
+                    maps.Add(new MemberMap
+                    {
+                        SourceName = sourceValueResolvers.Aggregate(string.Empty, (result, svr) => result + svr.Name),
+                        DestinationName = propertyMap.DestinationProperty.Name
+                    });
+                }
+            }
+
+            return maps;
+        }
+
+        /// <summary>
+        /// Gets the mapped members for a source/destination type pair
+        /// leaving out mapped members that are irrelevant.
+        /// </summary>
+        /// <param name="source">The source type.</param>
+        /// <param name="destination">The destination type.</param>
+        /// <returns></returns>
+        static IEnumerable<PropertyMap> GetRelevantMappedMembersOf(Type source, Type destination)
+        {
+            var typeMap = Mapper.FindTypeMapFor(source, destination);
+            return
+                typeMap != null ?
+                // filter by non-ignored PropertyMaps
+                    typeMap.GetPropertyMaps().Where(m => m.IsIgnored() == false) :
+                    Enumerable.Empty<PropertyMap>();
+        }
+    }
+}

Source/FluentMetadata.AutoMapper/ClassMetadataAutoMapperExtensions.cs

@@ -0,0 +1,27 @@
+using System;
+
+namespace FluentMetadata.AutoMapper
+{
+    /// <summary>
+    /// AutoMapper extensions to <see cref="FluentMetadata.ClassMetadata<T>"/>
+    /// </summary>
+    public static class ClassMetadataAutoMapperExtensions
+    {
+        /// <summary>
+        /// Copies the the source type's metadata to the destination type's metadata
+        /// using the mapping information provided by AutoMapper.
+        /// </summary>
+        /// <typeparam name="TDestination">The type of the destination.</typeparam>
+        /// <param name="to">The destination metadata.</param>
+        /// <param name="from">The source type.</param>
+        public static void CopyAutoMappedMetadataFrom<TDestination>(this ClassMetadata<TDestination> to, Type from)
+        {
+            var destinationType = typeof(TDestination);
+            MetadataHelper.CopyMappedMetadata(
+                from,
+                destinationType,
+                AutoMapperHelper.GetMemberMapsOf(from, destinationType)
+            );
+        }
+    }
+}