public void DeleteByNullValue()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
// Act
// Assert
Assert.ThrowsException <ArgumentNullException>(() => subjectRepository.Delete(entityToDelete: null));
}
public void GetByWrongId_Null()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Guid wrongId = default(Guid);
Subject expectedSubjectFromDb = null;
// Act
Subject actualSubjectFromDb = subjectRepository.Get(wrongId) as Subject;
// Assert
Assert.AreEqual(expectedSubjectFromDb, actualSubjectFromDb);
}
public void GetById()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Guid idToSearch = dbContext.Subjects.First().Id;
Subject expectedSubject = dbContext.Subjects.Find(idToSearch);
// Act
Subject subjectFromDB = subjectRepository.Get(idToSearch) as Subject;
// Assert
Assert.AreEqual(expectedSubject, subjectFromDB);
}
public void AddRegularSubject()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Subject subject = new Subject {
Name = Convert.ToString(TestContext.DataRow["Name"])
};
// Act
subjectRepository.Insert(subject);
dbContext.SaveChanges();
// Assert
CollectionAssert.Contains(dbContext.Subjects.ToList(), subject);
}
public void Update()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Subject subjectToUpdate = dbContext.Subjects.First(s => s.Name == "Subject 1");
string newSubjectName = "New Subject Name";
// Act
subjectToUpdate.Name = newSubjectName;
subjectRepository.Update(subjectToUpdate);
dbContext.SaveChanges();
// Assert
Assert.AreEqual(dbContext.Subjects.Find(subjectToUpdate.Id).Name, newSubjectName);
}
public void DeleteByValue()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Subject subjectToDelete = dbContext.Subjects.First(s => s.Name == "Subject 1");
// Act
// This subject has messages that must have "subject: null" when one will be deleted.
subjectRepository.Delete(subjectToDelete);
dbContext.SaveChanges();
// Assert
CollectionAssert.DoesNotContain(dbContext.Subjects.ToArray(), subjectToDelete);
// Checks if all subject's messages are null.
Assert.IsTrue(dbContext.Messages.AsEnumerable().Any(m => m.Subject == null || m.Subject.Id != subjectToDelete.Id));
}
public void AddSubjectWithWrongNameLength()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Subject subject = new Subject {
Name = Convert.ToString(TestContext.DataRow["Name"])
};
// Act
subjectRepository.Insert(subject);
// Assert
Assert.ThrowsException <System.Data.Entity.Validation.DbEntityValidationException>(() => dbContext.SaveChanges());
// undo adding
((IObjectContextAdapter)dbContext).ObjectContext.Detach(subject);
}
public void DeleteByChangedValue()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
Subject changedSubjectToDelete = dbContext.Subjects.First(s => s.Name == "Subject 1");
changedSubjectToDelete.Name += "Changed it";
// Act
subjectRepository.Delete(entityToDelete: changedSubjectToDelete);
dbContext.SaveChanges();
// Assert
CollectionAssert.DoesNotContain(dbContext.Subjects.ToArray(), changedSubjectToDelete);
// Checks if all subject's messages are null.
Assert.IsTrue(dbContext.Messages.AsEnumerable().Any(m => m.Subject == null || m.Subject.Id != changedSubjectToDelete.Id));
}
