diff --git a/gallery_dl/extractor/__init__.py b/gallery_dl/extractor/__init__.py
index 19121202..9885c8c1 100644
--- a/gallery_dl/extractor/__init__.py
+++ b/gallery_dl/extractor/__init__.py
@@ -52,13 +52,18 @@ modules = [
 ]
 
 def find(url):
-    """Find extractor suitable for handling the given url"""
+    """Find suitable extractor for the given url"""
     for pattern, klass in _list_patterns():
         match = re.match(pattern, url)
         if match:
             return klass(match)
     return None
 
+def extractors():
+    """Yield all available extractor classes"""
+    for _, klass in _list_patterns():
+        yield klass
+
 # --------------------------------------------------------------------
 # internals
 
diff --git a/test/test_extractors.py b/test/test_extractors.py
new file mode 100644
index 00000000..eb4438f2
--- /dev/null
+++ b/test/test_extractors.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright 2015 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+import unittest
+import gallery_dl.extractor as extractor
+import gallery_dl.jobs as jobs
+
+class TestExttractors(unittest.TestCase):
+
+    def test_extractors(self):
+        for extr in extractor.extractors():
+            if not hasattr(extr, "test"):
+                continue
+            print(extr)
+            for url, result in extr.test:
+                print(url)
+                self.run_test(url, result)
+
+    def run_test(self, url, result):
+        hjob = jobs.HashJob(url)
+        hjob.run()
+        self.assertEqual(hjob.hash_url.hexdigest(), result["url"])
+        self.assertEqual(hjob.hash_keyword.hexdigest(), result["keyword"])
+
+if __name__ == '__main__':
+    unittest.main(warnings='ignore')