fixes #214, returning nested debug-information

library/Solarium/QueryType/Select/ResponseParser/Component/Debug.php

@@ -135,11 +135,16 @@ class Debug implements ComponentParserInterface
             $details = array();
             if (isset($documentData['details']) && is_array($documentData['details'])) {
                 foreach ($documentData['details'] as $detailData) {
-                    $details[] = new Detail(
+                    $detail = new Detail(
                         $detailData['match'],
                         $detailData['value'],
                         $detailData['description']
                     );
+                    
+                    if (isset($detailData['details']) && is_array($detailData['details'])) {
+                        $detail->setSubDetails($detailData['details']);
+                    }
+                    $details[] = $detail;
                 }
             }
 

library/Solarium/QueryType/Select/Result/Debug/Detail.php

@@ -65,6 +65,11 @@ class Detail
      */
     protected $description;
 
+    /**
+     * @var array
+     */
+    protected $subDetails;
+
     /**
      * Constructor
      *
@@ -109,4 +114,19 @@ class Detail
         return $this->description;
     }
 
+    /**
+     * @param array $subDetails
+     */
+    public function setSubDetails($subDetails)
+    {
+        $this->subDetails = $subDetails;
+    }
+
+    /**
+     * @return array
+     */
+    public function getSubDetails()
+    {
+        return $this->subDetails;
+    }
 }

tests/Solarium/Tests/QueryType/Select/ResponseParser/Component/DebugTest.php

@@ -63,8 +63,20 @@ class DebugTest extends \PHPUnit_Framework_TestCase
                             array(
                                 'match' => true,
                                 'value' => 0.5,
+                                'description' => 'sum of:',
+                                'details' => array(
+                                    array(
+                                        'match' => true,
+                                        'value' => 0.25,
+                                        'description' => 'weight(dummyfield:flachdach^250.0 in 1311) [], result of:'
+                                    ),
+                                    array(
+                                        'match' => true,
+                                        'value' => 0.25,
                                         'description' => 'tf(termFreq(text:ipod)=1)',
                                     )
+                                )
+                            )
                         ),
                     ),
                 ),
@@ -117,11 +129,23 @@ class DebugTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(0.5, $doc->getValue());
         $this->assertEquals(true, $doc->getMatch());
         $this->assertEquals('fieldWeight(text:ipod in 5), product of:', $doc->getDescription());
-        $this->assertEquals(
-            array(new Detail(true, 0.5, 'tf(termFreq(text:ipod)=1)')),
-            $doc->getDetails()
-        );
 
+        $expectedDetail = new Detail(true, 0.5, 'sum of:');
+        $expectedDetail->setSubDetails(
+            array(
+                array(
+                    'match' => true,
+                    'value' => 0.25,
+                    'description' => 'weight(dummyfield:flachdach^250.0 in 1311) [], result of:'
+                ),
+                array(
+                    'match' => true,
+                    'value' => 0.25,
+                    'description' => 'tf(termFreq(text:ipod)=1)',
+                )
+            )
+        );
+        $this->assertEquals(array($expectedDetail), $doc->getDetails());
         $this->assertEquals(1, count($result->getExplainOther()));
         $doc = $result->getExplainOther()->getDocument('IW-02');
         $this->assertEquals(0.6, $doc->getValue());

tests/Solarium/Tests/QueryType/Select/Result/Debug/DetailTest.php

@@ -70,4 +70,10 @@ class DetailTest extends \PHPUnit_Framework_TestCase
          $this->assertEquals($this->description, $this->result->getDescription());
     }
 
+    public function testSetSubDetails()
+    {
+        $subDetailsDummy = array('dummy', 'testing');
+        $this->result->setSubDetails($subDetailsDummy);
+        $this->assertEquals($subDetailsDummy, $this->result->getSubDetails());
+    }
 }