adding get_attributes

ldapcherry/attributes.py

@@ -54,6 +54,6 @@ class Attributes:
         """return the list of backends in roles file"""
         return self.backends
 
-    def get_addattributes(self):
+    def get_attributes(self):
         """get the list of groups from roles"""
-        pass
+        return self.self_attributes

tests/test_Attributes.py

@@ -15,7 +15,7 @@ class TestError(object):
 
     def testNominal(self):
         inv = Attributes('./tests/cfg/attributes.yml')
-        inv.get_attributes
+        inv.get_attributes()
         return True
 
     def testGetSelfAttributes(self):