public function testDuplicate()
{
$image = new File();
$imageCopy = new File();
$attachmentFile1 = new File();
$attachmentFileCopy1 = new File();
$attachmentFile2 = new File();
$attachmentFileCopy2 = new File();
$attachment1 = (new Attachment())->setFile($attachmentFile1);
$attachment2 = (new Attachment())->setFile($attachmentFile2);
$product = (new StubProduct())->setSku(self::PRODUCT_SKU)->addUnitPrecision($this->prepareUnitPrecision(self::UNIT_PRECISION_CODE_1, self::UNIT_PRECISION_DEFAULT_PRECISION_1))->addUnitPrecision($this->prepareUnitPrecision(self::UNIT_PRECISION_CODE_2, self::UNIT_PRECISION_DEFAULT_PRECISION_2))->setImage($image);
$this->skuIncrementor->expects($this->once())->method('increment')->with(self::PRODUCT_SKU)->will($this->returnValue(self::PRODUCT_COPY_SKU));
$this->attachmentProvider->expects($this->once())->method('getEntityAttachments')->with($product)->will($this->returnValue([$attachment1, $attachment2]));
$this->attachmentManager->expects($this->any())->method('copyAttachmentFile')->with($image)->will($this->returnValue($imageCopy));
$this->attachmentManager->expects($this->any())->method('copyAttachmentFile')->with($attachmentFile1)->will($this->returnValue($attachmentFileCopy1));
$this->attachmentManager->expects($this->any())->method('copyAttachmentFile')->with($attachmentFile2)->will($this->returnValue($attachmentFileCopy2));
$this->connection->expects($this->once())->method('beginTransaction');
$this->connection->expects($this->once())->method('commit');
$productCopy = $this->duplicator->duplicate($product);
$productCopyUnitPrecisions = $productCopy->getUnitPrecisions();
$this->assertEquals(self::PRODUCT_COPY_SKU, $productCopy->getSku());
$this->assertEquals($this->productStatusDisabled, $productCopy->getStatus());
$this->assertCount(2, $productCopyUnitPrecisions);
$this->assertEquals(self::UNIT_PRECISION_CODE_1, $productCopyUnitPrecisions[0]->getUnit()->getCode());
$this->assertEquals(self::UNIT_PRECISION_DEFAULT_PRECISION_1, $productCopyUnitPrecisions[0]->getUnit()->getDefaultPrecision());
$this->assertEquals(self::UNIT_PRECISION_CODE_2, $productCopyUnitPrecisions[1]->getUnit()->getCode());
$this->assertEquals(self::UNIT_PRECISION_DEFAULT_PRECISION_2, $productCopyUnitPrecisions[1]->getUnit()->getDefaultPrecision());
$this->assertEquals($imageCopy, $productCopy->getImage());
}