fix incorrect test (#2177)

* fix incorrect test

* Fix types

2 files changed, 18 insertions, 15 deletions

diff --git a/redis/commands/core.py b/redis/commands/core.py
index 073161f..3569d20 100644
--- a/redis/commands/core.py
+++ b/redis/commands/core.py
@@ -3943,8 +3943,8 @@ class SortedSetCommands(CommandsProtocol):
         xx: bool = False,
         ch: bool = False,
         incr: bool = False,
-        gt: bool = None,
-        lt: bool = None,
+        gt: bool = False,
+        lt: bool = False,
     ) -> ResponseT:
         """
         Set any number of element-name, score pairs to the key ``name``. Pairs
@@ -3983,12 +3983,14 @@ class SortedSetCommands(CommandsProtocol):
             raise DataError("ZADD requires at least one element/score pair")
         if nx and xx:
             raise DataError("ZADD allows either 'nx' or 'xx', not both")
+        if gt and lt:
+            raise DataError("ZADD allows either 'gt' or 'lt', not both")
         if incr and len(mapping) != 1:
             raise DataError(
                 "ZADD option 'incr' only works when passing a "
                 "single element/score pair"
             )
-        if nx is True and (gt is not None or lt is not None):
+        if nx and (gt or lt):
             raise DataError("Only one of 'nx', 'lt', or 'gr' may be defined.")
 
         pieces: list[EncodableT] = []
diff --git a/tests/test_commands.py b/tests/test_commands.py
index d5ab4e3..a3972a5 100644
--- a/tests/test_commands.py
+++ b/tests/test_commands.py
@@ -2215,20 +2215,21 @@ class TestRedisCommands:
 
     @skip_if_server_version_lt("6.2.0")
     def test_zadd_gt_lt(self, r):
+        r.zadd("a", {"a": 2})
+        assert r.zadd("a", {"a": 5}, gt=True, ch=True) == 1
+        assert r.zadd("a", {"a": 1}, gt=True, ch=True) == 0
+        assert r.zadd("a", {"a": 5}, lt=True, ch=True) == 0
+        assert r.zadd("a", {"a": 1}, lt=True, ch=True) == 1
 
-        for i in range(1, 20):
-            r.zadd("a", {f"a{i}": i})
-        assert r.zadd("a", {"a20": 5}, gt=3) == 1
-
-        for i in range(1, 20):
-            r.zadd("a", {f"a{i}": i})
-        assert r.zadd("a", {"a2": 5}, lt=1) == 0
-
-        # cannot use both nx and xx options
+        # cannot combine both nx and xx options and gt and lt options
+        with pytest.raises(exceptions.DataError):
+            r.zadd("a", {"a15": 15}, nx=True, lt=True)
+        with pytest.raises(exceptions.DataError):
+            r.zadd("a", {"a15": 15}, nx=True, gt=True)
+        with pytest.raises(exceptions.DataError):
+            r.zadd("a", {"a15": 15}, lt=True, gt=True)
         with pytest.raises(exceptions.DataError):
-            r.zadd("a", {"a15": 155}, nx=True, lt=True)
-            r.zadd("a", {"a15": 155}, nx=True, gt=True)
-            r.zadd("a", {"a15": 155}, lt=True, gt=True)
+            r.zadd("a", {"a15": 15}, nx=True, xx=True)
 
     def test_zcard(self, r):
         r.zadd("a", {"a1": 1, "a2": 2, "a3": 3})