/**
* Safe method for children to overrride w/o affecting the cache.
*
* @return string
*/
protected function _renderBlock()
{
if (!$this->_block) {
return null;
}
if (($html = $this->_block->toHtml()) == '') {
// saves at least a space to prevent additional generation for the same cache key
$html = ' ';
}
return $html;
}
/**
* @test
* @dataProvider blocksProvider
*/
public function coreTextBlock(Mage_Core_Block_Abstract $block, array $regex, array $notRegex)
{
$this->assertEventObserverDefined('global', 'core_block_abstract_to_html_after', 'Aoe_TemplateHints_Model_Observer', 'core_block_abstract_to_html_after');
$observer = Mage::getModel('aoe_templatehints/observer');
/* @var $observer Aoe_TemplateHints_Model_Observer */
$rendererFromObserver = $observer->getRenderer();
$this->assertInstanceOf('Aoe_TemplateHints_Model_Renderer_Abstract', $rendererFromObserver);
$this->assertInstanceOf('Aoe_TemplateHints_Model_Renderer_Opentip', $rendererFromObserver);
$html = $block->toHtml();
$this->assertEventDispatchedExactly('core_block_abstract_to_html_before', 1);
$this->assertEventDispatchedExactly('core_block_abstract_to_html_after', 1);
$this->assertContains('id="tpl-hint-', $html);
$this->assertContains('class="tpl-hint tpl-hint-border', $html);
$this->assertRegExp('/<div id="tpl-hint-\\d*-title"/', $html);
$this->assertRegExp('/<div id="tpl-hint-\\d*-infobox"/', $html);
$this->assertContains('<dt>Class:</dt><dd>' . get_class($block) . '</dd>', $html);
foreach ($regex as $c) {
$this->assertRegExp($c, $html);
}
Mage::app()->disableEvents();
$rawBlockHtml = $block->toHtml();
Mage::app()->enableEvents();
$this->assertContains($rawBlockHtml, $html);
}
