excluded post requests for postbigrequest plugin (nothing to convert to post...)

library/Solarium/Plugin/PostBigRequest.php

@@ -91,7 +91,9 @@ class Solarium_Plugin_PostBigRequest extends Solarium_Plugin_Abstract
     public function postCreateRequest($query, $request)
     {
         $queryString = $request->getQueryString();
-        if (strlen($queryString) > $this->getMaxQueryStringLength()) {
+        if ($request->getMethod() == Solarium_Client_Request::METHOD_GET &&
+            strlen($queryString) > $this->getMaxQueryStringLength()) {
+
             $request->setMethod(Solarium_Client_Request::METHOD_POST);
             $request->setRawData($queryString);
             $request->clearParams();

tests/Solarium/Plugin/PostBigRequestTest.php

@@ -90,4 +90,16 @@ class Solarium_Plugin_PostBigRequestTest extends PHPUnit_Framework_TestCase
         $this->assertEquals($requestInput, $requestOutput);
     }
 
+    public function testPostCreateRequestUnalteredPostRequest()
+    {
+        $query = $this->_client->createUpdate();
+        $query->addDeleteById(1);
+
+        $requestOutput = $this->_client->createRequest($query);
+        $requestInput = clone $requestOutput;
+        $this->_plugin->postCreateRequest($query, $requestOutput);
+
+        $this->assertEquals($requestInput, $requestOutput);
+    }
+
 }
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