public void HookedDbContext_MustCallHooks_IfModelIsInvalidButUnchanged()
{
var context = new LocalContext();
context.RegisterHook(new TimestampPreInsertHook());
var tsEntity = new TimestampedSoftDeletedEntity();
var valEntity = new ValidatedEntity();
context.Entities.Add(tsEntity);
context.Entry(valEntity).State = EntityState.Unchanged;
Assert.DoesNotThrow(() => context.SaveChanges());
Assert.AreEqual(tsEntity.CreatedAt.Date, DateTime.Today);
}
public void HookedDbContext_ShouldNotHook_IfAnyChangedObjectsAreInvalid()
{
var context = new LocalContext();
context.RegisterHook(new TimestampPreInsertHook());
var tsEntity = new TimestampedSoftDeletedEntity();
var valEntity = new ValidatedEntity();
context.Entities.Add(tsEntity);
context.ValidatedEntities.Add(valEntity);
Assert.Throws <DbEntityValidationException>(() => context.SaveChanges());
Assert.AreNotEqual(tsEntity.CreatedAt.Date, DateTime.Today);
}
public void HookedDbContext_MustNotCallHooks_IfModelIsInvalid()
{
var hooks = new IHook[]
{
new TimestampPreInsertHook()
};
var context = new LocalContext(hooks);
var validatedEntity = new ValidatedEntity();
context.ValidatedEntities.Add(validatedEntity);
try
{ context.SaveChanges(); }
catch { }
Assert.AreNotEqual(validatedEntity.CreatedAt.Date, DateTime.Today);
}
public void HookedDbContext_ShouldHook_IfValidateBeforeSaveIsDisabled_AndChangedObjectsAreInvalid()
{
var context = new LocalContext();
context.Configuration.ValidateOnSaveEnabled = false;
context.RegisterHook(new TimestampPreInsertHook());
var tsEntity = new TimestampedSoftDeletedEntity();
var valEntity = new ValidatedEntity();
context.Entities.Add(tsEntity);
context.ValidatedEntities.Add(valEntity);
Assert.IsTrue(context.GetValidationErrors().Any(x => !x.IsValid));
Assert.Throws <DbUpdateException>(() => context.SaveChanges());
Assert.AreEqual(tsEntity.CreatedAt.Date, DateTime.Today);
Assert.AreEqual(valEntity.CreatedAt.Date, DateTime.Today);
}
public void HookedDbContext_ShouldNotPostHook_IfExceptionIsHit()
{
var runCheckingHook = new RunCheckedPreInsertHook();
var hooks = new IHook[]
{
runCheckingHook,
new TimestampPostInsertHook()
};
var context = new LocalContext(hooks);
var valEntity = new ValidatedEntity();
valEntity.CreatedAt = DateTime.Now;
context.ValidatedEntities.Add(valEntity);
Assert.Throws <DbEntityValidationException>(() => context.SaveChanges());
Assert.IsFalse(runCheckingHook.HasRun);
Assert.IsFalse(valEntity.ModifiedAt.HasValue);
}
