public function testBuild()
 {
     $documentId = 333;
     $fieldName = 'fieldName';
     $fieldValue = 'fieldValue';
     $aggregations = ['aggregations'];
     $document = $this->getMockBuilder('Magento\\Framework\\Api\\Search\\DocumentInterface')->disableOriginalConstructor()->getMockForAbstractClass();
     $document->expects($this->once())->method('setCustomAttribute')->with($fieldName, $fieldValue);
     $document->expects($this->once())->method('setId')->with($documentId);
     $this->documentFactory->expects($this->once())->method('create')->willReturn($document);
     /** @var SearchResultInterface|\PHPUnit_Framework_MockObject_MockObject $searchResult */
     $searchResult = $this->getMockBuilder('Magento\\Framework\\Api\\Search\\SearchResultInterface')->disableOriginalConstructor()->getMockForAbstractClass();
     $searchResult->expects($this->once())->method('setItems')->with([$document]);
     $searchResult->expects($this->once())->method('setAggregations')->with($aggregations);
     $this->searchResultFactory->expects($this->once())->method('create')->willReturn($searchResult);
     $field = $this->getMockBuilder('Magento\\Framework\\Search\\DocumentField')->disableOriginalConstructor()->getMock();
     $field->expects($this->once())->method('getName')->willReturn($fieldName);
     $field->expects($this->once())->method('getValue')->willReturn($fieldValue);
     $responseDocument = $this->getMockBuilder('Magento\\Framework\\Search\\Document')->disableOriginalConstructor()->getMock();
     $responseDocument->expects($this->any())->method('getIterator')->willReturn(new \ArrayIterator([$field]));
     $responseDocument->expects($this->once())->method('getId')->willReturn($documentId);
     /** @var QueryResponse|\PHPUnit_Framework_MockObject_MockObject $response */
     $response = $this->getMockBuilder('Magento\\Framework\\Search\\Response\\QueryResponse')->setMethods(['getIterator', 'getAggregations'])->disableOriginalConstructor()->getMockForAbstractClass();
     $response->expects($this->any())->method('getIterator')->willReturn(new \ArrayIterator([$responseDocument]));
     $response->expects($this->once())->method('getAggregations')->willReturn($aggregations);
     $result = $this->model->build($response);
     $this->assertInstanceOf('Magento\\Framework\\Api\\Search\\SearchResultInterface', $result);
 }
 /**
  * @param ResponseInterface $response
  * @return SearchResultInterface
  */
 public function build(ResponseInterface $response)
 {
     /** @var \Magento\Framework\Api\Search\SearchResult $searchResult */
     $searchResult = $this->searchResultFactory->create();
     /** @var \Magento\Framework\Api\Search\DocumentInterface[] $documents */
     $documents = [];
     /** @var \Magento\Framework\Search\Document $responseDocument */
     foreach ($response as $responseDocument) {
         $document = $this->documentFactory->create();
         /** @var \Magento\Framework\Search\DocumentField $field */
         foreach ($responseDocument as $field) {
             $document->setCustomAttribute($field->getName(), $field->getValue());
         }
         $document->setId($responseDocument->getId());
         $documents[] = $document;
     }
     $searchResult->setItems($documents);
     $searchResult->setAggregations($response->getAggregations());
     $searchResult->setTotalCount(count($documents));
     return $searchResult;
 }