/**
* test for Invoice converter
*/
public function testGetModel()
{
$orderId = 1;
$invoiceId = 2;
$itemId = 3;
$itemQty = 4;
$this->invoiceMock->expects($this->once())->method('getOrderId')->will($this->returnValue($orderId));
$this->invoiceMock->expects($this->once())->method('getEntityId')->will($this->returnValue($invoiceId));
$this->invoiceMock->expects($this->once())->method('getItems')->will($this->returnValue([$this->invoiceItemMock]));
$this->invoiceItemMock->expects($this->once())->method('getOrderItemId')->will($this->returnValue($itemId));
$this->invoiceItemMock->expects($this->once())->method('getQty')->will($this->returnValue($itemQty));
$this->invoiceLoaderMock->expects($this->once())->method('setOrderId')->with($this->equalTo($orderId))->will($this->returnSelf());
$this->invoiceLoaderMock->expects($this->once())->method('setInvoiceId')->with($this->equalTo($invoiceId))->will($this->returnSelf());
$this->invoiceLoaderMock->expects($this->once())->method('setInvoiceItems')->with($this->equalTo([$itemId => $itemQty]))->will($this->returnSelf());
$this->invoiceLoaderMock->expects($this->once())->method('create')->will($this->returnValue($this->modelInvoiceMock));
$this->invoiceLoaderMock->expects($this->once())->method('create')->will($this->returnValue($this->modelInvoiceMock));
$this->assertInstanceOf('Magento\\Sales\\Model\\Order\\Invoice', $this->converter->getModel($this->invoiceMock));
}
