HTMLPurifier Permission Fix (#63)

* Create AbstractDiff.php

* updated mock test

Author: snebes

lib/Caxy/HtmlDiff/AbstractDiff.php

@@ -132,6 +132,11 @@ public function initPurifier($defaultPurifierSerializerCache = null)
             $HTMLPurifierConfig->set('Cache.SerializerPath', $defaultPurifierSerializerCache);
         }
 
+        // Cache.SerializerPermissions defaults to 0744.
+        // This setting allows the cache files to be deleted by any user, as they are typically
+        // created by the web/php user (www-user, php-fpm, etc.)
+        $HTMLPurifierConfig->set('Cache.SerializerPermissions', 0777);
+
         $this->purifier = new \HTMLPurifier($HTMLPurifierConfig);
     }
 

tests/Caxy/Tests/HtmlDiff/Functional/HTMLPurifierConfigTest.php

@@ -24,7 +24,8 @@ public function setUp()
 
         $this->config->expects($this->atLeastOnce())
             ->method('set')
-            ->with('Cache.SerializerPath', '/tmp');
+            ->with($this->anything(), $this->anything())
+        ;
 
         $this->config->expects($this->any())
             ->method('getHTMLDefinition')