Add way to manually flush @buffered

test/test_buffered.py

@@ -0,0 +1,36 @@
+from unittest import TestCase
+
+from hexlib.misc import buffered
+
+
+class TestBuffered(TestCase):
+
+    def test_simple(self):
+        my_list = []
+
+        @buffered(batch_size=2)
+        def put_item(items):
+            my_list.extend(items)
+
+        put_item([1, 2])
+        put_item([1])
+        put_item([1])
+        put_item([1])
+
+        self.assertEqual(len(my_list), 4)
+
+    def test_flush(self):
+        my_list = []
+
+        @buffered(batch_size=2)
+        def put_item(items):
+            my_list.extend(items)
+
+        put_item([1, 2])
+        put_item([1])
+        put_item([1])
+        put_item([1])
+
+        put_item(None)
+
+        self.assertEqual(len(my_list), 5)