form validation fails on dyamic collections if the input filter is "generated" before the data is set

[dpommeranz]

this error occurs for example if you use the fileprg plugin and add a new item to the collection. the fileprg alters the "generated" input filter (FilePostRedirectGet.php line 67) and sets the data afterwards.

public function testCanCallGetInputFilterBeforeSetDataWithDynamicCollection()
{                                                                            
    $dataWithCollection = array(                                             
        'foo' => 'bar',                                                      
        'categories' => array(                                               
            0 => array('name' => 'cat1'),                                    
            1 => array('name' => 'cat2'),                                    
        ),                                                                   
    );                                                                       
    $this->populateForm();                                                   
    $this->form->add(array(                                                  
        'type' => 'Zend\Form\Element\Collection',                            
        'name' => 'categories',                                              
        'options' => array(                                                  
            'count' => 1,                                                    
            'allow_add' => true,                                             
            'target_element' => array(                                       
                'type' => 'ZendTest\Form\TestAsset\CategoryFieldset'         
            )                                                                
        )                                                                    
    ));                                                                      
    $this->form->setValidationGroup(array(                                   
        'foo',                                                               
        'categories' => array(                                               
            'name'                                                           
        )                                                                    
    ));                                                                      
    $this->form->getInputFilter();                                           
    $this->form->setData($dataWithCollection);                               
    $this->assertTrue($this->form->isValid());                               
}                                                                            

[dpommeranz]

@steverhoades Could you add the test case into your branch and tell me if it fixes the issue? That would be great ;)

[steverhoades]

@dpommeranz ok, it does not resolve your issue. I am looking into it, perhaps I can include it in my PR.

[adamlundrigan]

The provided test passes against Zend\Form master. I'd guess it's been fixed since?