Support BGSAVE SCHEDULE

bmerry · bmerry · commit a0fd16a4a38f · 2021-10-25T14:27:51.000+02:00
This is needed to support redis-py 4.0.
diff --git a/fakeredis/_server.py b/fakeredis/_server.py
@@ -2355,8 +2355,10 @@ def zinterstore(self, dest, numkeys, *args):
     # Server commands
     # TODO: lots
 
-    @command((), flags='s')
-    def bgsave(self):
+    @command((), (bytes,), flags='s')
+    def bgsave(self, *args):
+        if len(args) > 1 or (len(args) == 1 and not casematch(args[0], b'schedule')):
+            raise SimpleError(SYNTAX_ERROR_MSG)
         self._server.lastsave = int(time.time())
         return BGSAVE_STARTED
 
diff --git a/test/test_fakeredis.py b/test/test_fakeredis.py
@@ -3454,6 +3454,10 @@ def test_save(r):
 
 def test_bgsave(r):
     assert r.bgsave()
+    with pytest.raises(ResponseError):
+        r.execute_command('BGSAVE', 'SCHEDULE', 'FOO')
+    with pytest.raises(ResponseError):
+        r.execute_command('BGSAVE', 'FOO')
 
 
 def test_lastsave(r):
