/**
* Prepare price filter model
*
* @param Magento_Test_Request|null $request
* @return void
*/
protected function _prepareFilter($request = null)
{
$layer = new Mage_Catalog_Model_Layer();
$layer->setCurrentCategory(4);
$layer->setState(new Mage_Catalog_Model_Layer_State());
$filter = new Mage_Catalog_Model_Layer_Filter_Price();
$filter->setLayer($layer)->setAttributeModel(new Varien_Object(array('attribute_code' => 'price')));
if (!is_null($request)) {
$filter->apply($request, new Mage_Core_Block_Text());
$interval = $filter->getInterval();
if ($interval) {
$this->_model->setLimits($interval[0], $interval[1]);
}
}
$collection = $layer->getProductCollection();
$this->_model->setPricesModel($filter)->setStatistics($collection->getMinPrice(), $collection->getMaxPrice(), $collection->getPriceStandardDeviation(), $collection->getSize());
}
/**
* @dataProvider pricesSegmentationDataProvider
*/
public function testPricesSegmentation($categoryId, $intervalsNumber, $intervalItems)
{
$this->_layer->setCurrentCategory($categoryId);
$collection = $this->_layer->getProductCollection();
$memoryUsedBefore = memory_get_usage();
$this->_model->setPricesModel($this->_filter)->setStatistics($collection->getMinPrice(), $collection->getMaxPrice(), $collection->getPriceStandardDeviation(), $collection->getSize());
if (!is_null($intervalsNumber)) {
$this->assertEquals($intervalsNumber, $this->_model->getIntervalsNumber());
}
$items = $this->_model->calculateSeparators();
$this->assertEquals(array_keys($intervalItems), array_keys($items));
for ($i = 0; $i < count($intervalItems); ++$i) {
$this->assertInternalType('array', $items[$i]);
$this->assertEquals($intervalItems[$i]['from'], $items[$i]['from']);
$this->assertEquals($intervalItems[$i]['to'], $items[$i]['to']);
$this->assertEquals($intervalItems[$i]['count'], $items[$i]['count']);
}
// Algorythm should use less than 10M
$this->assertLessThan(10 * 1024 * 1024, memory_get_usage() - $memoryUsedBefore);
}
