public void SQL_Server_and_SQL_compact_generators_are_registered_by_default()
{
var resolver = new MigrationsConfigurationResolver();
Assert.IsType<SqlServerMigrationSqlGenerator>(resolver.GetService<MigrationSqlGenerator>("System.Data.SqlClient"));
Assert.IsType<SqlCeMigrationSqlGenerator>(resolver.GetService<MigrationSqlGenerator>("System.Data.SqlServerCe.4.0"));
}
public RootDependencyResolver(
MigrationsConfigurationResolver migrationsConfigurationResolver,
DefaultProviderServicesResolver defaultProviderServicesResolver)
{
_migrationsConfigurationResolver = migrationsConfigurationResolver;
_resolvers.Add(_migrationsConfigurationResolver);
_resolvers.Add(new CachingDependencyResolver(defaultProviderServicesResolver));
_resolvers.Add(new SingletonDependencyResolver<IDbConnectionFactory>(new SqlConnectionFactory()));
_resolvers.Add(new SingletonDependencyResolver<IDbModelCacheKeyFactory>(new DefaultModelCacheKeyFactory()));
}
public void A_new_instance_is_returned_each_time_GetService_is_called()
{
var resolver = new MigrationsConfigurationResolver();
Assert.NotSame(
resolver.GetService<MigrationSqlGenerator>("System.Data.SqlClient"),
resolver.GetService<MigrationSqlGenerator>("System.Data.SqlClient"));
Assert.NotSame(
resolver.GetService<MigrationSqlGenerator>("System.Data.SqlServerCe.4.0"),
resolver.GetService<MigrationSqlGenerator>("System.Data.SqlServerCe.4.0"));
}
public void GetService_can_be_accessed_from_multiple_threads_concurrently()
{
for (var i = 0; i < 30; i++)
{
var bag = new ConcurrentBag<MigrationSqlGenerator>();
var resolver = new MigrationsConfigurationResolver();
ExecuteInParallel(() => bag.Add(resolver.GetService<MigrationSqlGenerator>("System.Data.SqlClient")));
Assert.Equal(20, bag.Count);
foreach (var generator in bag)
{
Assert.IsType<SqlServerMigrationSqlGenerator>(generator);
Assert.Equal(19, bag.Count(c => generator != c));
}
}
}
public RootDependencyResolver(
MigrationsConfigurationResolver migrationsConfigurationResolver,
DefaultProviderServicesResolver defaultProviderServicesResolver,
DatabaseInitializerResolver databaseInitializerResolver)
{
Contract.Requires(migrationsConfigurationResolver != null);
Contract.Requires(defaultProviderServicesResolver != null);
Contract.Requires(databaseInitializerResolver != null);
_databaseInitializerResolver = databaseInitializerResolver;
_resolvers.Add(_databaseInitializerResolver);
_resolvers.Add(migrationsConfigurationResolver);
_resolvers.Add(new CachingDependencyResolver(defaultProviderServicesResolver));
_resolvers.Add(new SingletonDependencyResolver<IDbConnectionFactory>(new SqlConnectionFactory()));
_resolvers.Add(new SingletonDependencyResolver<IDbModelCacheKeyFactory>(new DefaultModelCacheKeyFactory()));
}
