private IMigrationsScaffolder CreateMigrationScaffolder <TContext>()
where TContext : DbContext, new()
{
var currentContext = new CurrentDbContext(new TContext());
var idGenerator = new MigrationsIdGenerator();
var code = new CSharpHelper();
var reporter = new TestOperationReporter();
var migrationAssembly
= new MigrationsAssembly(
currentContext,
new DbContextOptions <TContext>().WithExtension(new FakeRelationalOptionsExtension()),
idGenerator);
var historyRepository = new MockHistoryRepository();
var services = RelationalTestHelpers.Instance.CreateContextServices();
return(new MigrationsScaffolder(
new MigrationsScaffolderDependencies(
currentContext,
new Model(),
migrationAssembly,
new MigrationsModelDiffer(
new FallbackRelationalCoreTypeMapper(
TestServiceFactory.Instance.Create <CoreTypeMapperDependencies>(),
TestServiceFactory.Instance.Create <RelationalTypeMapperDependencies>(),
TestServiceFactory.Instance.Create <TestRelationalTypeMapper>()),
new MigrationsAnnotationProvider(new MigrationsAnnotationProviderDependencies()),
services.GetRequiredService <IChangeDetector>(),
services.GetRequiredService <StateManagerDependencies>(),
services.GetRequiredService <CommandBatchPreparerDependencies>()),
idGenerator,
new MigrationsCodeGeneratorSelector(
new[]
{
new CSharpMigrationsGenerator(
new MigrationsCodeGeneratorDependencies(),
new CSharpMigrationsGeneratorDependencies(
code,
new CSharpMigrationOperationGenerator(
new CSharpMigrationOperationGeneratorDependencies(code)),
new CSharpSnapshotGenerator(new CSharpSnapshotGeneratorDependencies(code))))
}),
historyRepository,
reporter,
new MockProvider(),
new SnapshotModelProcessor(reporter),
new Migrator(
migrationAssembly,
historyRepository,
services.GetRequiredService <IDatabaseCreator>(),
services.GetRequiredService <IMigrationsSqlGenerator>(),
services.GetRequiredService <IRawSqlCommandBuilder>(),
services.GetRequiredService <IMigrationCommandExecutor>(),
services.GetRequiredService <IRelationalConnection>(),
services.GetRequiredService <ISqlGenerationHelper>(),
services.GetRequiredService <IDiagnosticsLogger <DbLoggerCategory.Migrations> >(),
services.GetRequiredService <IDatabaseProvider>()))));
}
public CSharpMigrationsGenerator(
[NotNull] CSharpHelper codeHelper,
[NotNull] CSharpMigrationOperationGenerator operationGenerator,
[NotNull] CSharpSnapshotGenerator modelGenerator)
{
Check.NotNull(codeHelper, nameof(codeHelper));
Check.NotNull(operationGenerator, nameof(operationGenerator));
Check.NotNull(modelGenerator, nameof(modelGenerator));
_code = codeHelper;
_operationGenerator = operationGenerator;
_modelGenerator = modelGenerator;
}
private MigrationsScaffolder CreateMigrationScaffolder <TContext>()
where TContext : DbContext, new()
{
var currentContext = new CurrentDbContext(new TContext());
var idGenerator = new MigrationsIdGenerator();
var code = new CSharpHelper();
var reporter = new TestOperationReporter();
var services = RelationalTestHelpers.Instance.CreateContextServices();
return(new MigrationsScaffolder(
new MigrationsScaffolderDependencies(
currentContext,
new Model(),
new MigrationsAssembly(
currentContext,
new DbContextOptions <TContext>().WithExtension(new FakeRelationalOptionsExtension()),
idGenerator),
new MigrationsModelDiffer(
new TestRelationalTypeMapper(new RelationalTypeMapperDependencies()),
new MigrationsAnnotationProvider(new MigrationsAnnotationProviderDependencies()),
services.GetRequiredService <IChangeDetector>(),
services.GetRequiredService <StateManagerDependencies>(),
services.GetRequiredService <CommandBatchPreparerDependencies>()),
idGenerator,
new MigrationsCodeGeneratorSelector(
new[]
{
new CSharpMigrationsGenerator(
new MigrationsCodeGeneratorDependencies(),
new CSharpMigrationsGeneratorDependencies(
code,
new CSharpMigrationOperationGenerator(
new CSharpMigrationOperationGeneratorDependencies(code)),
new CSharpSnapshotGenerator(new CSharpSnapshotGeneratorDependencies(code))))
}),
new MockHistoryRepository(),
reporter,
new MockProvider(),
new SnapshotModelProcessor(reporter))));
}
private MigrationsScaffolder CreateMigrationScaffolder <TContext>()
where TContext : DbContext, new()
{
var context = new TContext();
var idGenerator = new MigrationsIdGenerator();
var code = new CSharpHelper();
return(new MigrationsScaffolder(
context,
new Model(),
new MigrationsAssembly(
context,
new DbContextOptions <TContext>().WithExtension(new MockRelationalOptionsExtension()),
idGenerator),
new MigrationsModelDiffer(
new TestRelationalTypeMapper(),
new TestAnnotationProvider(),
new MigrationsAnnotationProvider()),
idGenerator,
new CSharpMigrationsGenerator(code, new CSharpMigrationOperationGenerator(code), new CSharpSnapshotGenerator(code)),
new MockHistoryRepository(),
new LoggerFactory(),
new MockProviderServices()));
}
private IMigrationsScaffolder CreateMigrationScaffolder <TContext>()
where TContext : DbContext, new()
{
var currentContext = new CurrentDbContext(new TContext());
var idGenerator = new MigrationsIdGenerator();
var sqlServerTypeMappingSource = new SqlServerTypeMappingSource(
TestServiceFactory.Instance.Create <TypeMappingSourceDependencies>(),
TestServiceFactory.Instance.Create <RelationalTypeMappingSourceDependencies>());
var sqlServerAnnotationCodeGenerator = new SqlServerAnnotationCodeGenerator(
new AnnotationCodeGeneratorDependencies(sqlServerTypeMappingSource));
var code = new CSharpHelper(sqlServerTypeMappingSource);
var reporter = new TestOperationReporter();
var migrationAssembly
= new MigrationsAssembly(
currentContext,
new DbContextOptions <TContext>().WithExtension(new FakeRelationalOptionsExtension()),
idGenerator,
new FakeDiagnosticsLogger <DbLoggerCategory.Migrations>());
var historyRepository = new MockHistoryRepository();
var services = RelationalTestHelpers.Instance.CreateContextServices();
var model = new Model().FinalizeModel();
model.AddRuntimeAnnotation(RelationalAnnotationNames.RelationalModel, new RelationalModel(model));
return(new MigrationsScaffolder(
new MigrationsScaffolderDependencies(
currentContext,
model,
migrationAssembly,
new MigrationsModelDiffer(
new TestRelationalTypeMappingSource(
TestServiceFactory.Instance.Create <TypeMappingSourceDependencies>(),
TestServiceFactory.Instance.Create <RelationalTypeMappingSourceDependencies>()),
new MigrationsAnnotationProvider(
new MigrationsAnnotationProviderDependencies()),
services.GetRequiredService <IChangeDetector>(),
services.GetRequiredService <IUpdateAdapterFactory>(),
services.GetRequiredService <CommandBatchPreparerDependencies>()),
idGenerator,
new MigrationsCodeGeneratorSelector(
new[]
{
new CSharpMigrationsGenerator(
new MigrationsCodeGeneratorDependencies(
sqlServerTypeMappingSource,
sqlServerAnnotationCodeGenerator),
new CSharpMigrationsGeneratorDependencies(
code,
new CSharpMigrationOperationGenerator(
new CSharpMigrationOperationGeneratorDependencies(
code)),
new CSharpSnapshotGenerator(
new CSharpSnapshotGeneratorDependencies(
code, sqlServerTypeMappingSource, sqlServerAnnotationCodeGenerator))))
}),
historyRepository,
reporter,
new MockProvider(),
new SnapshotModelProcessor(reporter, services.GetRequiredService <IModelRuntimeInitializer>()),
new Migrator(
migrationAssembly,
historyRepository,
services.GetRequiredService <IDatabaseCreator>(),
services.GetRequiredService <IMigrationsSqlGenerator>(),
services.GetRequiredService <IRawSqlCommandBuilder>(),
services.GetRequiredService <IMigrationCommandExecutor>(),
services.GetRequiredService <IRelationalConnection>(),
services.GetRequiredService <ISqlGenerationHelper>(),
services.GetRequiredService <ICurrentDbContext>(),
services.GetRequiredService <IModelRuntimeInitializer>(),
services.GetRequiredService <IDiagnosticsLogger <DbLoggerCategory.Migrations> >(),
services.GetRequiredService <IRelationalCommandDiagnosticsLogger>(),
services.GetRequiredService <IDatabaseProvider>()))));
}
public void Migrations_compile()
{
var codeHelper = new CSharpHelper();
var generator = new CSharpMigrationsGenerator(
new MigrationsCodeGeneratorDependencies(),
new CSharpMigrationsGeneratorDependencies(
codeHelper,
new CSharpMigrationOperationGenerator(
new CSharpMigrationOperationGeneratorDependencies(codeHelper)),
new CSharpSnapshotGenerator(new CSharpSnapshotGeneratorDependencies(codeHelper))));
var migrationCode = generator.GenerateMigration(
"MyNamespace",
"MyMigration",
new MigrationOperation[]
{
new SqlOperation
{
Sql = "-- TEST",
["Some:EnumValue"] = RegexOptions.Multiline
},
new AlterColumnOperation
{
Name = "C2",
Table = "T1",
ClrType = typeof(Database),
OldColumn = new ColumnOperation
{
ClrType = typeof(Property)
}
},
new AddColumnOperation
{
Name = "C3",
Table = "T1",
ClrType = typeof(PropertyEntry)
}
},
new MigrationOperation[0]);
Assert.Equal(
@"using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using Microsoft.EntityFrameworkCore.ChangeTracking;
using Microsoft.EntityFrameworkCore.Metadata.Internal;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage;
namespace MyNamespace
{
public partial class MyMigration : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.Sql(""-- TEST"")
.Annotation(""Some:EnumValue"", RegexOptions.Multiline);
migrationBuilder.AlterColumn<Database>(
name: ""C2"",
table: ""T1"",
nullable: false,
oldClrType: typeof(Property));
migrationBuilder.AddColumn<PropertyEntry>(
name: ""C3"",
table: ""T1"",
nullable: false);
}
protected override void Down(MigrationBuilder migrationBuilder)
{
}
}
}
",
migrationCode,
ignoreLineEndingDifferences: true);
var migrationMetadataCode = generator.GenerateMetadata(
"MyNamespace",
typeof(MyContext),
"MyMigration",
"20150511161616_MyMigration",
new Model {
["Some:EnumValue"] = RegexOptions.Multiline, ["Relational:DbFunction:MyFunc"] = new object()
});
Assert.Equal(
@"// <auto-generated />
using System;
using System.Text.RegularExpressions;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Migrations.Design;
namespace MyNamespace
{
[DbContext(typeof(CSharpMigrationsGeneratorTest.MyContext))]
[Migration(""20150511161616_MyMigration"")]
partial class MyMigration
{
protected override void BuildTargetModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation(""Some:EnumValue"", RegexOptions.Multiline);
#pragma warning restore 612, 618
}
}
}
",
migrationMetadataCode,
ignoreLineEndingDifferences: true);
var build = new BuildSource
{
References =
{
BuildReference.ByName("Microsoft.EntityFrameworkCore.Design.Tests"),
BuildReference.ByName("Microsoft.EntityFrameworkCore"),
BuildReference.ByName("Microsoft.EntityFrameworkCore.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(3, migration.UpOperations.Count);
Assert.Empty(migration.DownOperations);
Assert.Empty(migration.TargetModel.GetEntityTypes());
}
public void Snapshot_with_default_values_are_round_tripped()
{
var codeHelper = new CSharpHelper();
var generator = new CSharpMigrationsGenerator(
new MigrationsCodeGeneratorDependencies(),
new CSharpMigrationsGeneratorDependencies(
codeHelper,
new CSharpMigrationOperationGenerator(
new CSharpMigrationOperationGeneratorDependencies(codeHelper)),
new CSharpSnapshotGenerator(new CSharpSnapshotGeneratorDependencies(codeHelper))));
var modelBuilder = new ModelBuilder(TestServiceFactory.Instance.Create <CoreConventionSetBuilder>().CreateConventionSet());
modelBuilder.Entity <EntityWithEveryPrimitive>(
eb =>
{
eb.Property(e => e.Boolean).HasDefaultValue(false);
eb.Property(e => e.Byte).HasDefaultValue((byte)0);
eb.Property(e => e.ByteArray).HasDefaultValue(new byte[] { 0 });
eb.Property(e => e.Char).HasDefaultValue('0');
eb.Property(e => e.DateTime).HasDefaultValue(new DateTime(1980, 1, 1));
eb.Property(e => e.DateTimeOffset).HasDefaultValue(new DateTimeOffset(1980, 1, 1, 0, 0, 0, new TimeSpan(0, 0, 0)));
eb.Property(e => e.Decimal).HasDefaultValue(0m);
eb.Property(e => e.Double).HasDefaultValue(0.0);
eb.Property(e => e.Enum).HasDefaultValue(Enum1.Default);
eb.Property(e => e.Guid).HasDefaultValue(new Guid());
eb.Property(e => e.Int16).HasDefaultValue((short)0);
eb.Property(e => e.Int32).HasDefaultValue(0);
eb.Property(e => e.Int64).HasDefaultValue(0L);
eb.Property(e => e.Single).HasDefaultValue((float)0.0);
eb.Property(e => e.SByte).HasDefaultValue((sbyte)0);
eb.Property(e => e.String).HasDefaultValue("'\"'");
eb.Property(e => e.TimeSpan).HasDefaultValue(new TimeSpan(0, 0, 0));
eb.Property(e => e.UInt16).HasDefaultValue((ushort)0);
eb.Property(e => e.UInt32).HasDefaultValue(0U);
eb.Property(e => e.UInt64).HasDefaultValue(0UL);
eb.Property(e => e.NullableBoolean).HasDefaultValue(true);
eb.Property(e => e.NullableByte).HasDefaultValue(byte.MaxValue);
eb.Property(e => e.NullableChar).HasDefaultValue('\'');
eb.Property(e => e.NullableDateTime).HasDefaultValue(new DateTime(1900, 12, 31));
eb.Property(e => e.NullableDateTimeOffset).HasDefaultValue(new DateTimeOffset(3000, 1, 1, 0, 0, 0, new TimeSpan(0, 0, 0)));
eb.Property(e => e.NullableDecimal).HasDefaultValue(2m * long.MaxValue);
eb.Property(e => e.NullableDouble).HasDefaultValue(0.6822871999174);
eb.Property(e => e.NullableEnum).HasDefaultValue(Enum1.Default);
eb.Property(e => e.NullableGuid).HasDefaultValue(new Guid());
eb.Property(e => e.NullableInt16).HasDefaultValue(short.MinValue);
eb.Property(e => e.NullableInt32).HasDefaultValue(int.MinValue);
eb.Property(e => e.NullableInt64).HasDefaultValue(long.MinValue);
eb.Property(e => e.NullableSingle).HasDefaultValue(0.3333333f);
eb.Property(e => e.NullableSByte).HasDefaultValue(sbyte.MinValue);
eb.Property(e => e.NullableTimeSpan).HasDefaultValue(new TimeSpan(-1, 0, 0));
eb.Property(e => e.NullableUInt16).HasDefaultValue(ushort.MaxValue);
eb.Property(e => e.NullableUInt32).HasDefaultValue(uint.MaxValue);
eb.Property(e => e.NullableUInt64).HasDefaultValue(ulong.MaxValue);
});
var modelSnapshotCode = generator.GenerateSnapshot(
"MyNamespace",
typeof(MyContext),
"MySnapshot",
modelBuilder.Model);
var snapshot = CompileModelSnapshot(modelSnapshotCode, "MyNamespace.MySnapshot");
var entityType = snapshot.Model.GetEntityTypes().Single();
Assert.Equal(typeof(EntityWithEveryPrimitive).FullName, entityType.DisplayName());
foreach (var property in modelBuilder.Model.GetEntityTypes().Single().GetProperties())
{
var snapshotProperty = entityType.FindProperty(property.Name);
Assert.Equal(property.Relational().DefaultValue, snapshotProperty.Relational().DefaultValue);
}
}
public void Snapshots_compile()
{
var codeHelper = new CSharpHelper();
var generator = new CSharpMigrationsGenerator(
new MigrationsCodeGeneratorDependencies(),
new CSharpMigrationsGeneratorDependencies(
codeHelper,
new CSharpMigrationOperationGenerator(
new CSharpMigrationOperationGeneratorDependencies(codeHelper)),
new CSharpSnapshotGenerator(new CSharpSnapshotGeneratorDependencies(codeHelper))));
var model = new Model {
["Some:EnumValue"] = RegexOptions.Multiline, ["Relational:DbFunction:MyFunc"] = new object()
};
var entityType = model.AddEntityType("Cheese");
entityType.AddProperty("Pickle", typeof(StringBuilder));
var modelSnapshotCode = generator.GenerateSnapshot(
"MyNamespace",
typeof(MyContext),
"MySnapshot",
model);
Assert.Equal(
@"// <auto-generated />
using System;
using System.Text;
using System.Text.RegularExpressions;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Migrations.Design;
namespace MyNamespace
{
[DbContext(typeof(CSharpMigrationsGeneratorTest.MyContext))]
partial class MySnapshot : ModelSnapshot
{
protected override void BuildModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation(""Some:EnumValue"", RegexOptions.Multiline);
modelBuilder.Entity(""Cheese"", b =>
{
b.Property<StringBuilder>(""Pickle"");
b.ToTable(""Cheese"");
});
#pragma warning restore 612, 618
}
}
}
", modelSnapshotCode, ignoreLineEndingDifferences: true);
var snapshot = CompileModelSnapshot(modelSnapshotCode, "MyNamespace.MySnapshot");
Assert.Equal(1, snapshot.Model.GetEntityTypes().Count());
}
public CSharpMigrationOperationGenerator([NotNull] CSharpHelper codeHelper)
{
Check.NotNull(codeHelper, nameof(codeHelper));
_code = codeHelper;
}
public void Literal_works(object value, string expected)
{
var literal = new CSharpHelper().UnknownLiteral(value);
Assert.Equal(expected, literal);
}
public void Literal_works_when_many_StringArray()
{
var literal = new CSharpHelper().Literal(new[] { "A", "B" });
Assert.Equal("new[] { \"A\", \"B\" }", literal);
}
public void Literal_works_when_single_StringArray()
{
var literal = new CSharpHelper().Literal(new[] { "A" });
Assert.Equal("\"A\"", literal);
}
public CSharpSnapshotGenerator([NotNull] CSharpHelper codeHelper)
{
Check.NotNull(codeHelper, nameof(codeHelper));
_code = codeHelper;
}
