public void DeleteByNullValue()
{
// Arrange
NonGenericRepository subjectRepository = new NonGenericRepository(dbContext, typeof(Subject));
// Act
// Assert
Assert.ThrowsException <ArgumentNullException>(() => subjectRepository.Delete(entityToDelete: null));
}
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 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));
}