Added first tests

sqlalchemy_utils/__init__.py

@@ -1,4 +1,3 @@
-from flask import request
 from sqlalchemy.orm.mapper import Mapper
 from sqlalchemy.orm.query import _ColumnEntity
 from sqlalchemy.sql.expression import desc, asc
@@ -25,7 +24,6 @@ def sort_query(query, sort):
         if isinstance(entity, _ColumnEntity) and entity._label_name:
             labels.append(entity._label_name)
 
-    sort = request.args.get('sort', sort)
     if not sort:
         return query
 

tests.py

@@ -0,0 +1,6 @@
+from sqlalchemy_utils import escape_like
+
+
+class TestEscapeLike(object):
+    def test_escapes_wildcards(self):
+        assert escape_like('_*%') == '*_***%'