public function testGetReviewsWithPurchaseDate()
{
$productId = 15;
$customerIds = [2, 4, null, 5, 9];
$customersWithPurchaseDate = [4 => 'date 4', 9 => 'date 9'];
$reviews = [$this->createReviewModel(2, null), $this->createReviewModel(4, 'date 4'), $this->createReviewModel(null, null), $this->createReviewModel(5, null), $this->createReviewModel(9, 'date 9')];
$reviewCollection = $this->getMockBuilder('Magento\\Review\\Model\\ResourceModel\\Review\\Collection')->disableOriginalConstructor()->getMock();
$reviewCollection->expects($this->once())->method('getColumnValues')->with('customer_id')->willReturn($customerIds);
$reviewCollection->expects($this->any())->method('getIterator')->willReturn(new \ArrayIterator($reviews));
$this->resource->expects($this->once())->method('getCustomersWithWithPurchaseDate')->with($productId, array_filter($customerIds))->willReturn($customersWithPurchaseDate);
$this->assertSame($reviewCollection, $this->buyer->getReviewsWithPurchaseDate($productId, $reviewCollection));
}
