public void HookedDbContext_MustOnlyHookWhenObjectIsInTheSameState()
{
var context = new LocalContext();
context.RegisterHook(new TimestampPreInsertHook());
context.RegisterHook(new TimestampPreUpdateHook());
var tsEntity = new TimestampedSoftDeletedEntity();
tsEntity.CreatedAt = DateTime.Now;
context.Entities.Add(tsEntity);
context.SaveChanges();
Assert.AreEqual(DateTime.Today, tsEntity.CreatedAt.Date);
Assert.IsFalse(tsEntity.ModifiedAt.HasValue);
}
public void HookedDbContext_AfterConstruction_CanRegisterNewHooks()
{
var context = new LocalContext();
context.RegisterHook(new TimestampPreInsertHook());
var entity = new TimestampedSoftDeletedEntity();
context.Entities.Add(entity);
context.SaveChanges();
Assert.AreEqual(entity.CreatedAt.Date, DateTime.Today);
}
public void HookedDbContext_CanLateBindPostActionHooks()
{
var context = new LocalContext();
context.RegisterHook(new TimestampPostInsertHook());
var tsEntity = new TimestampedSoftDeletedEntity();
tsEntity.CreatedAt = DateTime.Now;
context.Entities.Add(tsEntity);
context.SaveChanges();
Assert.AreEqual(DateTime.Today, tsEntity.ModifiedAt.Value.Date);
}
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_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_PostActionHookMethod_MustHaveTheContextPassedInTheMetadata()
{
var context = new LocalContext();
var postAction = A.Fake <PostInsertHook <ITimeStamped> >();
A.CallTo(() => postAction.HookStates).Returns(EntityState.Added);
context.RegisterHook(postAction);
// We aren't testing the hook here
var entity = new TimestampedSoftDeletedEntity {
CreatedAt = DateTime.Now
};
context.Entities.Add(entity);
context.SaveChanges();
A.CallTo(() => postAction.Hook(entity, A <HookEntityMetadata> .That.Matches(m => m.CurrentContext == context))).MustHaveHappened();
}
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);
}
