C# (CSharp) Microsoft.Data.Entity.Migrations.Design CSharpMigrationsGenerator примеры использования

Пример #1

Файл: CodeCompilationTest.cs Проект: 491134648/EntityFramework

        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);
        }

Пример #2

Файл: CodeCompilationTest.cs Проект: 491134648/EntityFramework

        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);
        }