diff --git a/tests/test_args.py b/tests/test_args.py
new file mode 100644
index 0000000..89b0c2b
--- /dev/null
+++ b/tests/test_args.py
@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+from adetailer.args import ALL_ARGS, ADetailerArgs
+
+
+def test_all_args() -> None:
+    args = ADetailerArgs()
+    for attr, _ in ALL_ARGS:
+        assert hasattr(args, attr), attr
+
+    for attr, _ in args:
+        if attr == "is_api":
+            continue
+        assert attr in ALL_ARGS.attrs, attr