public void CreateFetchQueryModel()
{
// expected: from <x> in (from sd in ExpressionHelper.CreateKitchenQueryable() select sd.Cook).Take (1)
// select <x>
var fetchRequestPartialMock = new MockRepository().PartialMock <FetchRequestBase> (_assistantsMember);
QueryModel modifiedQueryModel = null;
fetchRequestPartialMock
.Expect(mock => PrivateInvoke.InvokeNonPublicMethod(mock, "ModifyFetchQueryModel", Arg <QueryModel> .Is.Anything))
.WhenCalled(mi => modifiedQueryModel = (QueryModel)mi.Arguments[0]);
fetchRequestPartialMock.Replay();
var fetchQueryModel = fetchRequestPartialMock.CreateFetchQueryModel(_cookFromKitchenQueryModel);
fetchRequestPartialMock.VerifyAllExpectations();
Assert.That(modifiedQueryModel, Is.SameAs(fetchQueryModel));
Assert.That(fetchQueryModel.MainFromClause.FromExpression, Is.InstanceOf(typeof(SubQueryExpression)));
var subQueryExpression = (SubQueryExpression)fetchQueryModel.MainFromClause.FromExpression;
Assert.That(subQueryExpression.QueryModel, Is.SameAs(_cookFromKitchenQueryModel));
Assert.That(_cookFromKitchenQueryModel.BodyClauses.Count, Is.EqualTo(0));
Assert.That(((QuerySourceReferenceExpression)fetchQueryModel.SelectClause.Selector).ReferencedQuerySource,
Is.SameAs(fetchQueryModel.MainFromClause));
Assert.That(fetchQueryModel.ResultTypeOverride, Is.Null);
}