Adding DELUSER list of users support

Adding support for ACL help

Part of redis#1546

Author: chayim

Diff for: redis/client.py

@@ -654,6 +654,7 @@ class Redis(Commands, object):
         'ACL DELUSER': int,
         'ACL GENPASS': str_if_bytes,
         'ACL GETUSER': parse_acl_getuser,
+        'ACL HELP': lambda r: list(map(str_if_bytes, r)),
         'ACL LIST': lambda r: list(map(str_if_bytes, r)),
         'ACL LOAD': bool_ok,
         'ACL LOG': parse_acl_log,

Diff for: redis/commands.py

@@ -48,9 +48,9 @@ def acl_cat(self, category=None):
         pieces = [category] if category else []
         return self.execute_command('ACL CAT', *pieces)
 
-    def acl_deluser(self, username):
+    def acl_deluser(self, *username):
         "Delete the ACL for the specified ``username``"
-        return self.execute_command('ACL DELUSER', username)
+        return self.execute_command('ACL DELUSER', *username)
 
     def acl_genpass(self):
         "Generate a random password value"
@@ -64,6 +64,12 @@ def acl_getuser(self, username):
         """
         return self.execute_command('ACL GETUSER', username)
 
+    def acl_help(self):
+        """The ACL HELP command returns helpful text describing
+        the different subcommands.
+        """
+        return self.execute_command('ACL HELP')
+
     def acl_list(self):
         "Return a list of all ACLs on the server"
         return self.execute_command('ACL LIST')

Diff for: tests/test_commands.py

@@ -93,6 +93,17 @@ def teardown():
         assert r.acl_setuser(username, enabled=False, reset=True)
         assert r.acl_deluser(username) == 1
 
+        # now, a group of users
+        users = ['bogususer_%d' % r for r in range(0, 5)]
+        for u in users:
+            r.acl_setuser(u, enabled=False, reset=True)
+        assert r.acl_deluser(*users) > 1
+        assert r.acl_getuser(users[0]) is None
+        assert r.acl_getuser(users[1]) is None
+        assert r.acl_getuser(users[2]) is None
+        assert r.acl_getuser(users[3]) is None
+        assert r.acl_getuser(users[4]) is None
+
     @skip_if_server_version_lt(REDIS_6_VERSION)
     def test_acl_genpass(self, r):
         password = r.acl_genpass()
@@ -185,6 +196,12 @@ def teardown():
                              hashed_passwords=['-' + hashed_password])
         assert len(r.acl_getuser(username)['passwords']) == 1
 
+    @skip_if_server_version_lt(REDIS_6_VERSION)
+    def test_acl_help(self, r):
+        res = r.acl_help()
+        assert isinstance(res, list)
+        assert len(res) != 0
+
     @skip_if_server_version_lt(REDIS_6_VERSION)
     def test_acl_list(self, r, request):
         username = 'redis-py-user'