public bool Add(LinkUserAward entity, out string errorMessage) { if (entity == null) { throw new ArgumentNullException(); } Guid id = entity.UserId; if (id == null || id == Guid.Empty) { errorMessage = "User ID is null null empty."; return(false); } IEnumerable <KeyValuePair <Guid, User> > leftResult; try { if (!leftDao.GetById(id, out leftResult, out errorMessage)) { errorMessage = "Sorry. Error in data access layer. Сontact the developer."; return(false); } } catch (Exception ex) { WriteToLog(ex); errorMessage = "Sorry. Error in data access layer. Сontact the developer."; return(false); } if (leftResult.Count() == 0) { errorMessage = "Тhere is no User with this ID."; return(false); } id = entity.AwardId; if (id == null || id == Guid.Empty) { errorMessage = "Award ID is null null empty."; return(false); } IEnumerable <KeyValuePair <Guid, Award> > rightResult; try { if (!rightDao.GetById(id, out rightResult, out errorMessage)) { errorMessage = "Sorry. Error in data access layer. Сontact the developer."; return(false); } } catch (Exception ex) { WriteToLog(ex); errorMessage = "Sorry. Error in data access layer. Сontact the developer."; return(false); } if (rightResult.Count() == 0) { errorMessage = "Тhere is no Award with this ID."; return(false); } id = Guid.NewGuid(); try { return(linkDao.Add(id, entity, out errorMessage)); } catch (Exception ex) { WriteToLog(ex); errorMessage = "Sorry. Error in data access layer. Сontact the developer."; return(false); } }
public void GetByIdShouldReturnNull() { AddObjects(5); Assert.IsNull(dao.GetById(-1)); }