public function testGetLinks()
{
$item = $this->getMockBuilder('\\Magento\\Sales\\Model\\Order\\Item')->disableOriginalConstructor()->setMethods(['getId'])->getMock();
$linkPurchased = $this->getMockBuilder('Magento\\Downloadable\\Model\\Link\\Purchased')->disableOriginalConstructor()->setMethods(['load'])->getMock();
$itemCollection = $this->getMockBuilder('Magento\\Downloadable\\Model\\ResourceModel\\Link\\Purchased\\Item\\Collection')->disableOriginalConstructor()->setMethods(['addFieldToFilter'])->getMock();
$this->block->setData('item', $item);
$this->purchasedFactory->expects($this->once())->method('create')->willReturn($linkPurchased);
$linkPurchased->expects($this->once())->method('load')->with('itemId', 'order_item_id')->willReturnSelf();
$item->expects($this->any())->method('getId')->willReturn('itemId');
$this->itemsFactory->expects($this->once())->method('create')->willReturn($itemCollection);
$itemCollection->expects($this->once())->method('addFieldToFilter')->with('order_item_id', 'itemId')->willReturnSelf();
$this->assertEquals($linkPurchased, $this->block->getLinks());
}
