/**
* test execute method
*/
public function testExecute()
{
$this->requestMock->expects($this->exactly(4))->method('getParam')->will($this->returnValueMap([['order_id', null, 'order_id'], ['creditmemo_id', null, 'creditmemo_id'], ['creditmemo', null, 'creditmemo'], ['invoice_id', null, 'invoice_id']]));
$this->creditmemoLoaderMock->expects($this->once())->method('setOrderId')->with($this->equalTo('order_id'));
$this->creditmemoLoaderMock->expects($this->once())->method('setCreditmemoId')->with($this->equalTo('creditmemo_id'));
$this->creditmemoLoaderMock->expects($this->once())->method('setCreditmemo')->with($this->equalTo('creditmemo'));
$this->creditmemoLoaderMock->expects($this->once())->method('setInvoiceId')->with($this->equalTo('invoice_id'));
$this->creditmemoLoaderMock->expects($this->once())->method('load')->will($this->returnValue($this->creditmemoMock));
$this->creditmemoMock->expects($this->exactly(2))->method('getInvoice')->will($this->returnValue($this->invoiceMock));
$this->invoiceMock->expects($this->once())->method('getIncrementId')->will($this->returnValue('invoice-increment-id'));
$this->titleMock->expects($this->exactly(3))->method('add')->will($this->returnValueMap([['Credit Memos', null], ['New Memo for #invoice-increment-id', null], ['item-title', null]]));
$this->objectManagerMock->expects($this->once())->method('get')->with($this->equalTo('Magento\\Backend\\Model\\Session'))->will($this->returnValue($this->backendSessionMock));
$this->backendSessionMock->expects($this->once())->method('getCommentText')->with($this->equalTo(true))->will($this->returnValue('comment'));
$this->creditmemoMock->expects($this->once())->method('setCommentText')->with($this->equalTo('comment'));
$this->viewMock->expects($this->once())->method('loadLayout');
$this->viewMock->expects($this->once())->method('renderLayout');
$this->viewMock->expects($this->once())->method('getLayout')->will($this->returnValue($this->layoutMock));
$this->layoutMock->expects($this->once())->method('getBlock')->with($this->equalTo('menu'))->will($this->returnValue($this->blockMenuMock));
$this->blockMenuMock->expects($this->once())->method('setActive')->with($this->equalTo('Magento_Sales::sales_order'));
$this->blockMenuMock->expects($this->once())->method('getMenuModel')->will($this->returnValue($this->modelMenuMock));
$this->modelMenuMock->expects($this->once())->method('getParentItems')->will($this->returnValue([$this->modelMenuItem]));
$this->modelMenuItem->expects($this->once())->method('getTitle')->will($this->returnValue('item-title'));
$this->assertNull($this->controller->execute());
}
