1 files changed, 18 insertions, 0 deletions
diff --git a/app/tests/test_converter_progress.py b/app/tests/test_converter_progress.py
index d77e9e0..0a44725 100644
--- a/app/tests/test_converter_progress.py
+++ b/app/tests/test_converter_progress.py
@@ -225,6 +225,24 @@ class CancelTests(unittest.TestCase):
         converter = self.fixture.build(cancel=threading.Event())
         converter._check_cancelled()  # no raise
 
+    def test_cancel_event_reaches_the_client_before_connect(self):
+        # The cancel event must be wired into the TTS client at
+        # construction time — connect-time work (health check, model
+        # listing, voice validation) is otherwise un-cancellable.
+        cancel = threading.Event()
+        cancel.set()
+        client = MagicMock()
+        client.cancel = None
+        with patch.object(converter_mod, "QwenTTSClient",
+                          return_value=client) as mock_qwen:
+            AudiobookConverter(voice_mode=VOICE_MODE_CUSTOM,
+                               backend=BACKEND_QWEN, voice="Vivian",
+                               cancel=cancel)
+        self.assertIs(mock_qwen.call_args.kwargs["cancel"], cancel)
+        with self.assertRaises(ConversionCancelled):
+            converter_mod.AudiobookConverter._check_cancelled(
+                MagicMock(tts=None, _cancel=cancel))
+
 
 if __name__ == "__main__":
     unittest.main()