LPUSHX support for list, no API changes

Part of redis#1546

Author: chayim

Diff for: redis/commands.py

@@ -1305,9 +1305,9 @@ def lpush(self, name, *values):
         "Push ``values`` onto the head of the list ``name``"
         return self.execute_command('LPUSH', name, *values)
 
-    def lpushx(self, name, value):
+    def lpushx(self, name, *values):
         "Push ``value`` onto the head of the list ``name`` if ``name`` exists"
-        return self.execute_command('LPUSHX', name, value)
+        return self.execute_command('LPUSHX', name, *values)
 
     def lrange(self, name, start, end):
         """

Diff for: tests/test_commands.py

@@ -1263,6 +1263,15 @@ def test_lpushx(self, r):
         assert r.lpushx('a', '4') == 4
         assert r.lrange('a', 0, -1) == [b'4', b'1', b'2', b'3']
 
+    @skip_if_server_version_lt('4.0.0')
+    def test_lpushx_with_list(self, r):
+        # now with a list
+        r.lpush('somekey', 'a')
+        r.lpush('somekey', 'b')
+        assert r.lpushx('somekey', 'foo', 'asdasd', 55, 'asdasdas') == 6
+        res = r.lrange('somekey', 0, -1)
+        assert res == [b'asdasdas', b'55', b'asdasd', b'foo', b'b', b'a']
+
     def test_lrange(self, r):
         r.rpush('a', '1', '2', '3', '4', '5')
         assert r.lrange('a', 0, 2) == [b'1', b'2', b'3']