public void AppendHistoryModel_should_add_system_elements_and_normalize_namespaces()
{
var historyRepository
= new HistoryRepository(ConnectionString, ProviderFactory);
var modelBuilder = new DbModelBuilder(DbModelBuilderVersion.V4_1);
modelBuilder.Entity<FakeEntity>();
var model = modelBuilder.Build(ProviderInfo).GetModel();
historyRepository.AppendHistoryModel(model, ProviderInfo);
Assert.Equal(1, model.Descendants(EdmXNames.Csdl.EntityTypeNames.Last()).Count(e => e.IsSystemAttribute() == "true"));
Assert.Equal(1, model.Descendants(EdmXNames.Msl.EntitySetMappingNames.Last()).Count(e => e.IsSystemAttribute() == "true"));
Assert.Equal(1, model.Descendants(EdmXNames.Ssdl.EntityTypeNames.Last()).Count(e => e.IsSystemAttribute() == "true"));
Assert.Equal(1, model.Descendants(EdmXNames.Ssdl.EntitySetNames.Last()).Count(e => e.IsSystemAttribute() == "true"));
}
internal DbMigrator(DbMigrationsConfiguration configuration, DbContext usersContext)
: base(null)
{
Contract.Requires(configuration != null);
Contract.Requires(configuration.ContextType != null);
_configuration = configuration;
_calledByCreateDatabase = usersContext != null;
// If DbContext CreateDatabase is using Migrations then the user has not opted out of initializers
// and if we disable the initializer here then future calls to Initialize the database (for this or
// a different connection) will fail. So only disable the initializer if Migrations are being used
// explicitly.
if (usersContext == null)
{
DisableInitializer(_configuration.ContextType);
}
if (_calledByCreateDatabase)
{
_usersContextInfo = new DbContextInfo(usersContext);
}
else
{
_usersContextInfo
= configuration.TargetDatabase == null
? new DbContextInfo(configuration.ContextType)
: new DbContextInfo(configuration.ContextType, configuration.TargetDatabase);
if (!_usersContextInfo.IsConstructible)
{
throw Error.ContextNotConstructible(configuration.ContextType);
}
}
_modelDiffer = _configuration.ModelDiffer;
var context = usersContext ?? _usersContextInfo.CreateInstance();
try
{
_migrationAssembly
= new MigrationAssembly(_configuration.MigrationsAssembly, _configuration.MigrationsNamespace);
_currentModel = context.GetModel();
var connection = context.Database.Connection;
_providerFactory = DbProviderServices.GetProviderFactory(connection);
_defaultSchema = context.InternalContext.DefaultSchema;
var historySchemas = GetHistorySchemas();
if (!string.IsNullOrWhiteSpace(_defaultSchema))
{
historySchemas = historySchemas.Concat(new[] { _defaultSchema });
}
_historyRepository
= new HistoryRepository(_usersContextInfo.ConnectionString, _providerFactory, historySchemas);
_providerManifestToken
= context.InternalContext.ModelProviderInfo != null
? context.InternalContext.ModelProviderInfo.ProviderManifestToken
: DbProviderServices.GetProviderServices(connection).
GetProviderManifestTokenChecked(connection);
_targetDatabase
= Strings.LoggingTargetDatabaseFormat(
connection.DataSource,
connection.Database,
_usersContextInfo.ConnectionProviderName,
_usersContextInfo.ConnectionStringOrigin == DbConnectionStringOrigin.DbContextInfo
? Strings.LoggingExplicit
: _usersContextInfo.ConnectionStringOrigin.ToString());
}
finally
{
if (usersContext == null)
{
context.Dispose();
}
}
var providerInfo
= new DbProviderInfo(_usersContextInfo.ConnectionProviderName, _providerManifestToken);
_emptyModel = new Lazy<XDocument>(() => new DbModelBuilder().Build(providerInfo).GetModel());
_historyRepository.AppendHistoryModel(_currentModel, providerInfo);
}