!squash test_options: Stable baseline

Author: tony

tests/test_options.py

@@ -452,3 +452,39 @@ def test_show_option_pane_fixture(
             assert k in result
 
             assert result[k] == v
+
+
+def test_stable_baseline_options_and_hooks(server: "Server") -> None:
+    """Ensure stable baseline across tmux versions."""
+    session = server.new_session(session_name="test", detach=True)
+
+    # List variables
+    assert server.show_option("command-alias") == {
+        "choose-session": "choose-tree -s",
+        "choose-window": "choose-tree -w",
+        "info": "show-messages -JT",
+        "server-info": "show-messages -JT",
+        "split-pane": "split-window",
+        "splitp": "split-window",
+    }
+    assert server.show_option("terminal-features") == {
+        "screen*": [
+            "title",
+        ],
+        "xterm*": [
+            "clipboard",
+            "ccolour",
+            "cstyle",
+            "focus",
+            "title",
+        ],
+    }
+    assert server.show_option("terminal-overrides") is None
+    assert server.show_option("user-keys") is None
+    assert server.show_option("status-format") is None
+    assert server.show_option("update-environment") is None
+
+    # List variables: Pane
+    pane = session.active_pane
+    assert pane is not None
+    assert pane.show_option("pane-colours") is None