test: capture worktree messages through the _cprint route

tests/hermes_cli/test_worktree_command.py

@@ -28,8 +28,24 @@ class _Stub(CLICommandsMixin):
 
 
 def _run(stub, command):
+    """Capture handler output.
+
+    Worktree messages route through ``cli._cprint`` (the ANSI-aware
+    prompt_toolkit renderer) since the garbled-escape fix; its output binds
+    to the prompt_toolkit session output object, not ``sys.stdout``, so
+    ``redirect_stdout`` alone cannot capture it. Mirror ``_cprint`` into the
+    same buffer to keep asserting the user-visible text.
+    """
+    import re
+    from unittest.mock import patch as _patch
+
     buf = io.StringIO()
-    with contextlib.redirect_stdout(buf):
+    ansi = re.compile(r"\x1b\[[0-9;]*m")
+
+    def _fake_cprint(text):
+        buf.write(ansi.sub("", str(text)) + "\n")
+
+    with contextlib.redirect_stdout(buf), _patch.object(cli_mod, "_cprint", _fake_cprint):
         stub._handle_worktree_command(command)
     return buf.getvalue()