/**
* @return Status
*/
protected function getStockStatusResource()
{
if (empty($this->stockStatusResource)) {
$this->stockStatusResource = $this->stockStatusFactory->create();
}
return $this->stockStatusResource;
}
public function testAddIsInStockFilterToCollection()
{
$collectionMock = $this->getMockBuilder('Magento\\Catalog\\Model\\ResourceModel\\Product\\Collection')->disableOriginalConstructor()->getMock();
$stockStatusMock = $this->getMockBuilder('Magento\\CatalogInventory\\Model\\ResourceModel\\Stock\\Status')->disableOriginalConstructor()->setMethods(['addStockDataToCollection'])->getMock();
$stockStatusMock->expects($this->once())->method('addStockDataToCollection')->with($collectionMock);
$this->statusFactoryMock->expects($this->once())->method('create')->willReturn($stockStatusMock);
$this->assertNull($this->stock->addIsInStockFilterToCollection($collectionMock));
}