BUGFIX: Also handle data processor without configuration

Classes/Domain/Index/TcaIndexer/TcaTableService.php

@@ -150,7 +150,14 @@ class TcaTableService
 
         try {
             foreach ($this->configuration->get('indexing.' . $this->tableName . '.dataProcessing') as $configuration) {
-                $dataProcessor = GeneralUtility::makeInstance($configuration['_typoScriptNodeValue']);
+                $className = '';
+                if (is_string($configuration)) {
+                    $className = $configuration;
+                    $configuration = [];
+                } else {
+                    $className = $configuration['_typoScriptNodeValue'];
+                }
+                $dataProcessor = GeneralUtility::makeInstance($className);
                 if ($dataProcessor instanceof ProcessorInterface) {
                     $record = $dataProcessor->processRecord($record, $configuration);
                 }

Tests/Unit/Domain/Index/TcaIndexer/TcaTableServiceTest.php

@@ -104,7 +104,7 @@ class TcaTableServiceTest extends AbstractUnitTestCase
     /**
      * @test
      */
-    public function executesConfiguredDataProcessing()
+    public function executesConfiguredDataProcessingWithConfiguration()
     {
         $this->configuration->expects($this->exactly(1))
             ->method('get')
@@ -141,4 +141,36 @@ class TcaTableServiceTest extends AbstractUnitTestCase
             'Dataprocessing is not executed by TcaTableService as expected.'
         );
     }
+
+    /**
+     * @test
+     */
+    public function executesConfiguredDataProcessingWithoutConfiguration()
+    {
+        $this->configuration->expects($this->exactly(1))
+            ->method('get')
+            ->with('indexing.testTable.dataProcessing')
+            ->will($this->returnValue([CopyToProcessor::class]));
+
+        $subject = $this->getMockBuilder(TcaTableService::class)
+            ->disableOriginalConstructor()
+            ->setMethodsExcept(['prepareRecord'])
+            ->getMock();
+        $this->inject($subject, 'configuration', $this->configuration);
+        $this->inject($subject, 'tableName', 'testTable');
+        $this->inject($subject, 'relationResolver', $this->getMockBuilder(RelationResolver::class)->getMock());
+
+        $record = ['field 1' => 'test'];
+        $expectedRecord = $record;
+        $expectedRecord[''] = 'test';
+        $expectedRecord['search_title'] = 'test';
+
+        $subject->prepareRecord($record);
+
+        $this->assertSame(
+            $expectedRecord,
+            $record,
+            'Dataprocessing is not executed by TcaTableService as expected.'
+        );
+    }
 }