MAGETWO-97830: Elasticsearch date field crash quicksearch

Author: dhorytskyi

app/code/Magento/Elasticsearch/SearchAdapter/Query/Builder/Match.php

@@ -113,7 +113,7 @@ protected function buildQueries(array $matches, array $queryValue)
 
         // Checking for quoted phrase \"phrase test\", trim escaped surrounding quotes if found
         $count = 0;
-        $value = preg_replace('#^\\\\"(.*)\\\\"$#m', '$1', $queryValue['value'], -1, $count);
+        $value = preg_replace('#^"(.*)"$#m', '$1', $queryValue['value'], -1, $count);
         $condition = ($count) ? 'match_phrase' : 'match';
 
         $attributesTypes = $this->fieldMapper->getAllAttributesTypes();

app/code/Magento/Elasticsearch/Test/Unit/SearchAdapter/Query/Builder/MatchTest.php

@@ -7,6 +7,8 @@
 
 use Magento\Elasticsearch\Model\Adapter\FieldMapperInterface;
 use Magento\Elasticsearch\SearchAdapter\Query\Builder\Match as MatchQueryBuilder;
+use Magento\Elasticsearch\SearchAdapter\Query\ValueTransformerInterface;
+use Magento\Elasticsearch\SearchAdapter\Query\ValueTransformerPool;
 use Magento\Framework\Search\Request\Query\Match as MatchRequestQuery;
 use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
 use PHPUnit_Framework_MockObject_MockObject as MockObject;
@@ -23,11 +25,19 @@ class MatchTest extends \PHPUnit\Framework\TestCase
      */
     protected function setUp()
     {
+        $valueTransformerPoolMock = $this->createMock(ValueTransformerPool::class);
+        $valueTransformerMock = $this->createMock(ValueTransformerInterface::class);
+        $valueTransformerPoolMock->method('get')
+            ->willReturn($valueTransformerMock);
+        $valueTransformerMock->method('transform')
+            ->willReturnArgument(0);
+
         $this->matchQueryBuilder = (new ObjectManager($this))->getObject(
             MatchQueryBuilder::class,
             [
                 'fieldMapper' => $this->getFieldMapper(),
                 'preprocessorContainer' => [],
+                'valueTransformerPool' => $valueTransformerPoolMock,
             ]
         );
     }