tests(Session): new_window warning for tmux 3.0 and below

Author: tony

tests/test_session.py

@@ -8,6 +8,7 @@
 
 from libtmux import exc
 from libtmux.common import has_gte_version, has_lt_version
+from libtmux.constants import WindowDirection
 from libtmux.pane import Pane
 from libtmux.server import Server
 from libtmux.session import Session
@@ -327,3 +328,22 @@ def test_new_window_with_environment_logs_warning_for_old_tmux(
     assert any(
         "Environment flag ignored" in record.msg for record in caplog.records
     ), "Warning missing"
+
+
+@pytest.mark.skipif(
+    has_gte_version("3.1"),
+    reason="Only 3.1 has the -a and -b flag on new-window",
+)
+def test_session_new_window_with_direction_logs_warning_for_old_tmux(
+    session: Session,
+    caplog: pytest.LogCaptureFixture,
+) -> None:
+    """Verify new window with direction create a warning if tmux is too old."""
+    session.new_window(
+        window_name="session_window_with_direction",
+        direction=WindowDirection.After,
+    )
+
+    assert any(
+        "Direction flag ignored" in record.msg for record in caplog.records
+    ), "Warning missing"