Add support for ACL DRYRUN (#1992)

* Add support for ACL DRYRUN

* Fix linter error

* Revert "Fix linter error"

This reverts commit aa1cf04.

* Fix linter error

Author: dogukanteber

redis/commands/core.py

@@ -28,6 +28,14 @@ def acl_cat(self, category=None, **kwargs):
         pieces = [category] if category else []
         return self.execute_command("ACL CAT", *pieces, **kwargs)
 
+    def acl_dryrun(self, username, *args, **kwargs):
+        """
+        Simulate the execution of a given command by a given ``username``.
+
+        For more information check https://redis.io/commands/acl-dryrun
+        """
+        return self.execute_command("ACL DRYRUN", username, *args, **kwargs)
+
     def acl_deluser(self, *username, **kwargs):
         """
         Delete the ACL for the specified ``username``s

tests/test_commands.py

@@ -87,6 +87,19 @@ def test_acl_cat_with_category(self, r):
         assert isinstance(commands, list)
         assert "get" in commands
 
+    @skip_if_server_version_lt("7.0.0")
+    def test_acl_dryrun(self, r):
+        username = "redis-py-user"
+        r.acl_setuser(
+            username,
+            keys=["*"],
+            commands=["+set"],
+        )
+        assert r.acl_dryrun(username, "set", "key", "value") == b"OK"
+        assert r.acl_dryrun(username, "get", "key").startswith(
+            b"This user has no permissions to run the"
+        )
+
     @skip_if_server_version_lt("6.0.0")
     @skip_if_redis_enterprise()
     def test_acl_deluser(self, r, request):