public function testGetTotalAmount()
{
$totalAmount = 10;
$itemMock = $this->getMockBuilder('\\Magento\\Sales\\Model\\Order\\Item')->disableOriginalConstructor()->getMock();
$this->itemPriceRenderer->expects($this->once())->method('getTotalAmount')->with($itemMock)->will($this->returnValue($totalAmount));
$this->assertEquals($totalAmount, $this->renderer->getTotalAmount($itemMock));
}
/**
* @param \Magento\Backend\Block\Template\Context $context
* @param \Magento\Sales\Block\Adminhtml\Items\Column\DefaultColumn $defaultColumnRenderer
* @param \Magento\Tax\Helper\Data $taxHelper
* @param ItemPriceRenderer $itemPriceRenderer
* @param array $data
*/
public function __construct(\Magento\Backend\Block\Template\Context $context, \Magento\Sales\Block\Adminhtml\Items\Column\DefaultColumn $defaultColumnRenderer, \Magento\Tax\Helper\Data $taxHelper, ItemPriceRenderer $itemPriceRenderer, array $data = array())
{
parent::__construct($context, $defaultColumnRenderer, $taxHelper, $itemPriceRenderer, $data);
}