public void DomainContext_Submit_ErrorsClearOnReject()
{
int refZip = 0;
CityDomainContext citiesProvider = new CityDomainContext(TestURIs.Cities);
SubmitOperation so = null;
LoadOperation lo = citiesProvider.Load(citiesProvider.GetZipsQuery(), false);
// wait for Load to complete, then invoke domain method that throws on server. Submit.
EnqueueConditional(() => lo.IsComplete);
EnqueueCallback(delegate
{
// invoke methods that cause exception
Zip[] zips = citiesProvider.Zips.ToArray();
zips[0].ThrowException("ValidationException");
so = citiesProvider.SubmitChanges(TestHelperMethods.DefaultOperationAction, null);
});
// wait for submitted event being fired and verify Entity.ValidationErrors is not empty
EnqueueConditional(() => so.IsComplete);
EnqueueCallback(delegate
{
DomainOperationException ex = so.Error as DomainOperationException;
Assert.IsNotNull(ex);
Zip zip = citiesProvider.Zips.First();
IEnumerable<ValidationResult> errors = zip.ValidationErrors;
LogErrorListContents("zips[0].ValidationErrors", errors);
Assert.AreEqual(1, errors.Count());
// Verify that failed submission does not clear out the last invocation
Assert.IsFalse(zip.CanThrowException);
Assert.IsTrue(zip.EntityActions.Any(a => a.Name == "ThrowException"));
// Add a custom validation error to ensure it gets cleared
zip.ValidationErrors.Add(new ValidationResult("Temporary Error"));
// Call RejectChanges and verify ValidationErrors collection is cleared
citiesProvider.RejectChanges();
Assert.IsFalse(zip.ValidationErrors.Any());
// Invoke domain method that does not throw on same entity
zip.ReassignZipCode(1, true);
refZip = zip.Code;
so = citiesProvider.SubmitChanges(TestHelperMethods.DefaultOperationAction, null);
});
// wait for submitted event being fired and verify Entity.ValidationErrors remains empty
EnqueueConditional(() => so.IsComplete);
EnqueueCallback(delegate
{
Zip zip = citiesProvider.Zips.First();
Assert.IsNull(so.Error);
Assert.IsFalse(zip.ValidationErrors.Any());
Assert.AreEqual(refZip + 1, zip.Code);
});
EnqueueTestComplete();
}