bgsave schedule support

bgsave tests

Part of redis#1546

Author: chayim

redis/commands.py

@@ -268,12 +268,15 @@ def bgrewriteaof(self):
         "Tell the Redis server to rewrite the AOF file from data in memory."
         return self.execute_command('BGREWRITEAOF')
 
-    def bgsave(self):
+    def bgsave(self, schedule=True):
         """
         Tell the Redis server to save its data to disk.  Unlike save(),
         this method is asynchronous and returns immediately.
         """
-        return self.execute_command('BGSAVE')
+        pieces = []
+        if schedule:
+            pieces.append("SCHEDULE")
+        return self.execute_command('BGSAVE', *pieces)
 
     def client_kill(self, address):
         "Disconnects the client at ``address`` (ip:port)"

tests/test_commands.py

@@ -547,6 +547,11 @@ def test_time(self, r):
         assert isinstance(t[0], int)
         assert isinstance(t[1], int)
 
+    def test_bgsave(self, r):
+        assert r.bgsave()
+        time.sleep(0.3)
+        assert r.bgsave(True)
+
     # BASIC KEY COMMANDS
     def test_append(self, r):
         assert r.append('a', 'a1') == 2