Added a test to render with a custom element helper.

tests/Zend/Form/TestAsset/CustomViewHelper.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ * @package   Zend_Form
+ */
+
+namespace ZendTest\Form\TestAsset;
+
+use Zend\Form\ElementInterface;
+use Zend\Form\View\Helper\AbstractHelper;
+use Zend\Form\View\Helper\FormElement;
+
+class CustomViewHelper extends AbstractHelper
+{
+    /**
+     * @var FormElement
+     */
+    protected $elementHelper;
+
+    public function __invoke(ElementInterface $element)
+    {
+        $elementHelper = $this->getElementHelper();
+
+        $name = preg_replace('/[^a-z0-9_-]+/', '', $element->getName());
+
+        $result = '<div id="custom' . $name . '">' . $elementHelper($element) . '</div>';
+
+        return $result;
+    }
+
+    /**
+     * Retrieve the FormElement helper
+     *
+     * @return FormElement
+     */
+    protected function getElementHelper()
+    {
+        if ($this->elementHelper) {
+            return $this->elementHelper;
+        }
+
+        if (method_exists($this->view, 'plugin')) {
+            $this->elementHelper = $this->view->plugin('form_element');
+        }
+
+        if (!$this->elementHelper instanceof FormElement) {
+            $this->elementHelper = new FormElement();
+        }
+
+        return $this->elementHelper;
+    }
+}

tests/Zend/Form/View/Helper/FormCollectionTest.php

@@ -17,6 +17,7 @@
 use Zend\View\Helper\Doctype;
 use Zend\View\Renderer\PhpRenderer;
 use ZendTest\Form\TestAsset\FormCollection;
+use ZendTest\Form\TestAsset\CustomViewHelper;
 
 /**
  * @category   Zend
@@ -97,4 +98,20 @@ public function testCorrectlyIndexNestedElementsInCollection()
         $this->assertContains('fieldsets[1][field]', $markup);
         $this->assertContains('fieldsets[1][nested_fieldset][anotherField]', $markup);
     }
+
+    public function testRenderWithDefaultHelper()
+    {
+        $form = $this->getForm();
+
+        $collection = $form->get('colors');
+        $collection->setShouldCreateTemplate(false);
+
+        $elementHelper = new CustomViewHelper();
+        $elementHelper->setView($this->renderer);
+
+        $markup = $this->helper->setElementHelper($elementHelper)->render($collection);
+
+        $this->assertContains('id="customcolors0"', $markup);
+        $this->assertContains('id="customcolors1"', $markup);
+    }
 }