public function testPrepareProductCollection()
{
$this->registry->expects($this->once())->method('registry')->with($this->equalTo('current_category'))->will($this->returnValue($this->category));
$this->collectionFilter->expects($this->once())->method('filter')->with($this->equalTo($this->collection), $this->equalTo($this->category));
$result = $this->model->prepareProductCollection($this->collection);
$this->assertInstanceOf('\\Magento\\Catalog\\Model\\Layer', $result);
}
/**
* {@inheritdoc}
*/
public function prepareProductCollection($collection)
{
$pluginInfo = $this->pluginList->getNext($this->subjectType, 'prepareProductCollection');
if (!$pluginInfo) {
return parent::prepareProductCollection($collection);
} else {
return $this->___callPlugins('prepareProductCollection', func_get_args(), $pluginInfo);
}
}
/**
* Retrieve child categories of current category
*
* @return \Magento\Framework\Data\Tree\Node\Collection
*/
public function getCurrentChildCategories()
{
$categories = $this->_catalogLayer->getCurrentCategory()->getChildrenCategories();
/** @var \Magento\Catalog\Model\ResourceModel\Product\Collection $productCollection */
$productCollection = $this->_productCollectionFactory->create();
$this->_catalogLayer->prepareProductCollection($productCollection);
$productCollection->addCountToCategories($categories);
return $categories;
}
