public void Forwards_to_instances_of_a_different_type()
        {
            using (var directory = new TempDirectory())
            {
                var source = new BuildSource
                {
                    TargetDir = directory.Path,
                    Sources = { @"
                        using System;
                        namespace Microsoft.Data.Entity.Design.Internal
                        {
                            // NOTE: This interface will have a different identity than the one above
                            internal interface IMagic
                            {
                                int Number { get; }
                            }
                            internal class Magic : MarshalByRefObject, IMagic
                            {
                                public int Number
                                {
                                    get { return 7; }
                                }
                            }
                        }" }
                };
                var build = source.Build();

                var domain = AppDomain.CreateDomain(
                    "ForwardingProxyTest",
                    null,
                    new AppDomainSetup { ApplicationBase = build.TargetDir });
                try
                {
                    var target = domain.CreateInstanceAndUnwrap(
                        build.TargetName,
                        "Microsoft.Data.Entity.Design.Internal.Magic");
                    var forwardingProxy = new ForwardingProxy<IMagic>(target);
                    var transparentProxy = forwardingProxy.GetTransparentProxy();

                    Assert.Equal(7, transparentProxy.Number);
                }
                finally
                {
                    AppDomain.Unload(domain);
                }
            }
        }
        private void Test(Action<ModelBuilder> buildModel, string expectedCode, Action<IModel> assert)
        {
            var modelBuilder = TestHelpers.Instance.CreateConventionBuilder();
            buildModel(modelBuilder);
            var model = modelBuilder.Model;

            var generator = new CSharpSnapshotGenerator(new CSharpHelper());

            var builder = new IndentedStringBuilder();
            generator.Generate("builder", model, builder);
            var code = builder.ToString();

            Assert.Equal(expectedCode, code);

            var build = new BuildSource
            {
                References =
                {
#if !DNXCORE50
                    BuildReference.ByName("System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"),
                    BuildReference.ByName("System.Linq.Expressions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"),
                    BuildReference.ByName("System.Runtime, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"),
#endif
                    BuildReference.ByName("EntityFramework.Core"),
                    BuildReference.ByName("EntityFramework.Relational")
                },
                Sources = { @"
                    using Microsoft.Data.Entity;
                    using Microsoft.Data.Entity.Metadata;
                    using Microsoft.Data.Entity.Metadata.Conventions;

                    public static class ModelSnapshot
                    {
                        public static IModel Model
                        {
                            get
                            {
                                var builder = new ModelBuilder(new ConventionSet());
                                " + code + @"

                                return builder.Model;
                            }
                        }
                   }
                " }
            };

            var assembly = build.BuildInMemory();
            var factoryType = assembly.GetType("ModelSnapshot");
            var property = factoryType.GetTypeInfo().GetDeclaredProperty("Model");
            var value = (IModel)property.GetValue(null);

            Assert.NotNull(value);
            assert(value);
        }
        public void Migrations_compile()
        {
            var codeHelper = new CSharpHelper();
            var generator = new CSharpMigrationsGenerator(
                codeHelper,
                new CSharpMigrationOperationGenerator(codeHelper),
                new CSharpSnapshotGenerator(codeHelper));

            var migrationCode = generator.GenerateMigration(
                "MyNamespace",
                "MyMigration",
                new[] {
                    new SqlOperation
                    {
                        Sql = "-- TEST",
                        ["Some:EnumValue"] = RegexOptions.Multiline
                    }
                },
                new MigrationOperation[0]);
            Assert.Equal(
                @"using System;
using System.Collections.Generic;
using Microsoft.Data.Entity.Migrations;
using System.Text.RegularExpressions;

namespace MyNamespace
{
    public partial class MyMigration : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.Sql(""-- TEST"")
                .Annotation(""Some:EnumValue"", RegexOptions.Multiline);
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
        }
    }
}
",
                migrationCode);

            var migrationMetadataCode = generator.GenerateMetadata(
                "MyNamespace",
                typeof(MyContext),
                "MyMigration",
                "20150511161616_MyMigration",
                new Model {["Some:EnumValue"] = RegexOptions.Multiline });
            Assert.Equal(
                @"using System;
using Microsoft.Data.Entity;
using Microsoft.Data.Entity.Infrastructure;
using Microsoft.Data.Entity.Metadata;
using Microsoft.Data.Entity.Migrations;
using Microsoft.Data.Entity.Commands.Migrations;
using System.Text.RegularExpressions;

namespace MyNamespace
{
    [DbContext(typeof(CodeCompilationTest.MyContext))]
    [Migration(""20150511161616_MyMigration"")]
    partial class MyMigration
    {
        protected override void BuildTargetModel(ModelBuilder modelBuilder)
        {
            modelBuilder
                .Annotation(""Some:EnumValue"", RegexOptions.Multiline);
        }
    }
}
",
                migrationMetadataCode);

            var build = new BuildSource
            {
                References =
                {
                    BuildReference.ByName(typeof(CodeCompilationTest).GetTypeInfo().Assembly.GetName().Name),
#if DNXCORE50
                    BuildReference.ByName("System.Text.RegularExpressions"),
#else
                    BuildReference.ByName("System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"),
                    BuildReference.ByName("System.Runtime, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"),
#endif
                    BuildReference.ByName("EntityFramework.Core"),
                    BuildReference.ByName("EntityFramework.Relational")
                },
                Sources = { migrationCode, migrationMetadataCode }
            };

            var assembly = build.BuildInMemory();

            var migrationType = assembly.GetType("MyNamespace.MyMigration", throwOnError: true, ignoreCase: false);

            var contextTypeAttribute = migrationType.GetTypeInfo().GetCustomAttribute<DbContextAttribute>();
            Assert.NotNull(contextTypeAttribute);
            Assert.Equal(typeof(MyContext), contextTypeAttribute.ContextType);

            var migration = (Migration)Activator.CreateInstance(migrationType);

            Assert.Equal("20150511161616_MyMigration", migration.GetId());

            Assert.Equal(1, migration.UpOperations.Count);
            Assert.Empty(migration.DownOperations);
            Assert.Empty(migration.TargetModel.EntityTypes);
        }
        public void Snapshots_compile()
        {
            var codeHelper = new CSharpHelper();
            var generator = new CSharpMigrationsGenerator(
                codeHelper,
                new CSharpMigrationOperationGenerator(codeHelper),
                new CSharpSnapshotGenerator(codeHelper));

            var modelSnapshotCode = generator.GenerateSnapshot(
                "MyNamespace",
                typeof(MyContext),
                "MySnapshot",
                new Model {["Some:EnumValue"] = RegexOptions.Multiline });
            Assert.Equal(@"using System;
using Microsoft.Data.Entity;
using Microsoft.Data.Entity.Infrastructure;
using Microsoft.Data.Entity.Metadata;
using Microsoft.Data.Entity.Migrations;
using Microsoft.Data.Entity.Commands.Migrations;
using System.Text.RegularExpressions;

namespace MyNamespace
{
    [DbContext(typeof(CodeCompilationTest.MyContext))]
    partial class MySnapshot : ModelSnapshot
    {
        protected override void BuildModel(ModelBuilder modelBuilder)
        {
            modelBuilder
                .Annotation(""Some:EnumValue"", RegexOptions.Multiline);
        }
    }
}
", modelSnapshotCode);

            var build = new BuildSource
            {
                References =
                {
                    BuildReference.ByName(typeof(CodeCompilationTest).GetTypeInfo().Assembly.GetName().Name),
#if DNXCORE50
                    BuildReference.ByName("System.Text.RegularExpressions"),
#else
                    BuildReference.ByName("System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"),
                    BuildReference.ByName("System.Runtime, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"),
#endif
                    BuildReference.ByName("EntityFramework.Core"),
                    BuildReference.ByName("EntityFramework.Relational")
                },
                Sources = { modelSnapshotCode }
            };

            var assembly = build.BuildInMemory();

            var snapshotType = assembly.GetType("MyNamespace.MySnapshot", throwOnError: true, ignoreCase: false);

            var contextTypeAttribute = snapshotType.GetTypeInfo().GetCustomAttribute<DbContextAttribute>();
            Assert.NotNull(contextTypeAttribute);
            Assert.Equal(typeof(MyContext), contextTypeAttribute.ContextType);

            var snapshot = (ModelSnapshot)Activator.CreateInstance(snapshotType);
            Assert.Empty(snapshot.Model.EntityTypes);
        }
        public void Migrations_compile()
        {
            var codeHelper = new CSharpHelper();
            var generator = new CSharpMigrationGenerator(
                codeHelper,
                new CSharpMigrationOperationGenerator(codeHelper),
                new CSharpModelGenerator(codeHelper));

            var migrationCode = generator.Generate(
                "MyNamespace",
                "MyMigration",
                new MigrationOperation[0],
                new MigrationOperation[0]);
            Assert.Equal(
                @"using System.Collections.Generic;
using Microsoft.Data.Entity.Migrations;
using Microsoft.Data.Entity.Migrations.Builders;
using Microsoft.Data.Entity.Migrations.Operations;

namespace MyNamespace
{
    public partial class MyMigration : Migration
    {
        public override void Up(MigrationBuilder migration)
        {
        }

        public override void Down(MigrationBuilder migration)
        {
        }
    }
}
",
                migrationCode);

            var migrationMetadataCode = generator.GenerateMetadata(
                "MyNamespace",
                typeof(MyContext),
                "MyMigration",
                "20150511161616_MyMigration",
                "7.0.0",
                new Model());
            Assert.Equal(
                @"using System;
using Microsoft.Data.Entity;
using Microsoft.Data.Entity.Metadata;
using Microsoft.Data.Entity.Migrations.Infrastructure;
using Microsoft.Data.Entity.Commands.Migrations;

namespace MyNamespace
{
    [ContextType(typeof(CodeCompilationTest.MyContext))]
    partial class MyMigration
    {
        public override string Id
        {
            get { return ""20150511161616_MyMigration""; }
        }

        public override string ProductVersion
        {
            get { return ""7.0.0""; }
        }

        public override void BuildTargetModel(ModelBuilder builder)
        {
        }
    }
}
",
                migrationMetadataCode);

            var build = new BuildSource
            {
                References =
                {
                    BuildReference.ByName(typeof(CodeCompilationTest).Assembly.GetName().Name),
                    BuildReference.ByName("System.Runtime, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"),
                    BuildReference.ByName("EntityFramework.Core"),
                    BuildReference.ByName("EntityFramework.Relational")
                },
                Sources = { migrationCode, migrationMetadataCode }
            };

            var assembly = build.BuildInMemory();

            var migrationType = assembly.GetType("MyNamespace.MyMigration", throwOnError: true);

            var contextTypeAttribute = migrationType.GetCustomAttribute<ContextTypeAttribute>();
            Assert.NotNull(contextTypeAttribute);
            Assert.Equal(typeof(MyContext), contextTypeAttribute.ContextType);

            var migration = (Migration)Activator.CreateInstance(migrationType);

            Assert.Equal("20150511161616_MyMigration", migration.Id);
            Assert.Equal("7.0.0", migration.ProductVersion);

            var migrationBuilder = new MigrationBuilder();
            migration.Up(migrationBuilder);
            Assert.Empty(migrationBuilder.Operations);

            migrationBuilder = new MigrationBuilder();
            migration.Down(migrationBuilder);
            Assert.Empty(migrationBuilder.Operations);

            var conventions = new ConventionSet();
            var modelBuilder = new ModelBuilder(conventions);
            migration.BuildTargetModel(modelBuilder);
            Assert.Empty(modelBuilder.Model.EntityTypes);
        }
        public void Snapshots_compile()
        {
            var codeHelper = new CSharpHelper();
            var generator = new CSharpMigrationGenerator(
                codeHelper,
                new CSharpMigrationOperationGenerator(codeHelper),
                new CSharpModelGenerator(codeHelper));

            var modelSnapshotCode = generator.GenerateSnapshot("MyNamespace", typeof(MyContext), "MySnapshot", new Model());
            Assert.Equal(@"using System;
using Microsoft.Data.Entity;
using Microsoft.Data.Entity.Metadata;
using Microsoft.Data.Entity.Migrations.Infrastructure;
using Microsoft.Data.Entity.Commands.Migrations;

namespace MyNamespace
{
    [ContextType(typeof(CodeCompilationTest.MyContext))]
    partial class MySnapshot : ModelSnapshot
    {
        public override void BuildModel(ModelBuilder builder)
        {
        }
    }
}
", modelSnapshotCode);

            var build = new BuildSource
            {
                References =
                {
                    BuildReference.ByName(typeof(CodeCompilationTest).Assembly.GetName().Name),
                    BuildReference.ByName("System.Runtime, Version=4.0.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"),
                    BuildReference.ByName("EntityFramework.Core"),
                    BuildReference.ByName("EntityFramework.Relational")
                },
                Sources = { modelSnapshotCode }
            };

            var assembly = build.BuildInMemory();

            var snapshotType = assembly.GetType("MyNamespace.MySnapshot", throwOnError: true);

            var contextTypeAttribute = snapshotType.GetCustomAttribute<ContextTypeAttribute>();
            Assert.NotNull(contextTypeAttribute);
            Assert.Equal(typeof(MyContext), contextTypeAttribute.ContextType);

            var snapshot = (ModelSnapshot)Activator.CreateInstance(snapshotType);

            var conventions = new ConventionSet();
            var modelBuilder = new ModelBuilder(conventions);
            snapshot.BuildModel(modelBuilder);
            Assert.Empty(modelBuilder.Model.EntityTypes);
        }