private bool LoadEntityWithId(ITransaction transaction, ConstraintTestDeleteCascadeRootEntity loadEntity, int id)
{
bool loaded = false;
IDbCommand cmd = transaction.CreateCommand();
cmd.CommandText = "select * from constraint_test_root where id_col = ?";
IDbDataParameter parameter = cmd.CreateParameter();
cmd.Parameters.Add(parameter);
parameter.DbType = DbType.Int32;
parameter.Direction = ParameterDirection.Input;
parameter.Value = id;
IDataReader dataReader = cmd.ExecuteReader();
if (dataReader.Read())
{
loadEntity.Retrieve(dataReader, transaction);
loaded = true;
}
return(loaded);
}
public void ConstraintValidation_DeleteOneToManyChild_WithCascadeConstraint_ShouldDeleteChild()
{
try
{
IDbConnection connection = SetupTables();
ITransaction transaction = CreateTransaction(connection);
int id = 45;
ConstraintTestDeleteCascadeRootEntity entity = new ConstraintTestDeleteCascadeRootEntity();
entity.IdCol = id;
entity.Name = "Org-Name";
entity.Persist(transaction);
transaction.Commit();
transaction = CreateTransaction(connection);
ConstraintTestOne2ManyEntity one2ManyEntity = new ConstraintTestOne2ManyEntity();
one2ManyEntity.IdCol = id;
one2ManyEntity.IndexNo = 1;
one2ManyEntity.Name = "Child-Org-Name";
one2ManyEntity.Persist(transaction);
transaction.Commit();
transaction = CreateTransaction(connection);
ConstraintTestDeleteCascadeRootEntity loadedEntity = new ConstraintTestDeleteCascadeRootEntity();
LoadEntityWithId(transaction, loadedEntity, id);
IEnumerator <ConstraintTestOne2ManyEntity> childEnumarator = loadedEntity.One2ManyEntities.GetEnumerator();
childEnumarator.MoveNext();
ConstraintTestOne2ManyEntity loadedOne2ManyEntity = childEnumarator.Current;
loadedOne2ManyEntity.Status = EntityStatus.Deleted;
loadedEntity.Persist(transaction);
transaction.Commit();
transaction = CreateTransaction(connection);
bool hasOneToMany = ExistsOne2ManyChild(transaction, id);
bool hasRoot = ExistsRoot(transaction, id);
transaction.Commit();
connection.Close();
Assert.IsFalse(hasOneToMany);
Assert.IsTrue(hasRoot);
}
catch (System.Exception e)
{
LogManager.GetLogger(typeof(DbGateConstraintValidationTest)).Fatal(e.Message, e);
Assert.Fail(e.Message);
}
}