more filth.

tests/core/storage/test_storage.py

@@ -1,4 +1,5 @@
 import datetime
+import re
 
 from freezegun import freeze_time
 from hamcrest import assert_that, is_, less_than, contains, has_entries, \
@@ -156,6 +157,16 @@ def test_query_with_filter(self):
                     contains(
                         has_entry('foo', 'bar')))
 
+    def test_query_with_filter_prefix(self):
+        self._save_all('foo_bar', {'_id': 'test_id_8', 'foo': 'bar'}, {'_id': 'test_id_9', 'foo': 'foo'})
+
+        results = self.engine.execute_query('foo_bar', Query.create(
+            filter_by_prefix=[('foo', re.compile('^ba.*'))]))
+
+        assert_that(results,
+                    contains(
+                        has_entry('foo', 'bar')))
+
     def test_basic_query_with_time_limits(self):
         self._save_all('foo_bar',
                        {'_id': 'test_id_10', '_timestamp': d_tz(2012, 12, 12)},