Hi Kieran, On 28/03/2012, at 16:07, Kieran Kelleher wrote:
> IIRC, EOQualifier is the problem here. The semantics of in memory evaluation > on a keyPath that has a toMany key is different to the SQL result when using > the same qualifier in a FetchSpec. > > In memory is going to call valueForKeyPath( "pages.empty" ) on each Book > object. The result of that valueForKeyPath is probably an NSArray of Booleans > and NSArray will never be equal to Boolean.TRUE. Debug step the code and see > if that is the case. > That is exactly the problem. As soon as WOUnit uses the in-memory evaluation, this misbehavior leads to inaccurate test results. This is really not cool. :( I'll try to make a fix in WOUnit. > See the thread from Feb 6/7 with subject > "EOKeyValueQualifier.evaluateWithObject on EOQualifier.QualifierContains > selector?" > Thanks for the reference. Cheers, Henrique > > > On Mar 28, 2012, at 2:00 PM, Henrique Prange wrote: > >> Hi there, >> >> I'm trying to fix a problem in WOUnit, but it seems to be a bug in the core >> qualifier evaluation for objects in memory. Here is a sample code that >> demonstrates the problem: >> >> Page page = Page.createPage(editingContext); >> >> page.setEmpty(true); >> >> Book book = Book.createBook(editingContext); >> >> book.addToPagesRelationship(page); >> >> // Get all books with empty pages >> EOQualifier qualifier = Book.PAGES.append(Page.EMPTY).isTrue(); >> >> NSArray<Book> result = ERXQ.filtered(new NSArray<Book>(book), qualifier); >> >> The result array should contain the Book I've just created, but the array >> returned is empty. :( >> >> Is there an alternative way to evaluate the qualifier in memory? Should I >> create the qualifier in a different manner? Any clues on how could I fix >> this problem without writing my own qualifier evaluator? >> >> Cheers, >> >> Henrique >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/kelleherk%40gmail.com >> >> This email sent to kelleh...@gmail.com > _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
