feat: no console drop when uninstalling backends

1 files changed, 37 insertions, 0 deletions

diff --git a/app/tests/test_backends.py b/app/tests/test_backends.py
index 0d3be37..8ea6a3f 100644
--- a/app/tests/test_backends.py
+++ b/app/tests/test_backends.py
@@ -325,3 +325,40 @@ class QwenSetupScreenTests(unittest.TestCase):
         self.assertIs(mk_steps.call_args[0][0], settings)
         mk_run.assert_called_once()
         self.assertEqual(mk_run.call_args[0][2], steps)
+
+
+class QwenUninstallTests(unittest.TestCase):
+    """qwen.uninstall: stop both servers, then pip-uninstall the package."""
+
+    def test_stops_servers_and_pips(self):
+        from backends import qwen
+        with patch.object(qwen.servers, "stop") as mk_stop, \
+                patch.object(qwen.common, "pip_uninstall",
+                             return_value=0) as mk_pip:
+            rc = qwen.uninstall(emit="EMIT")
+        self.assertEqual(rc, 0)
+        self.assertEqual([c.args[0] for c in mk_stop.call_args_list],
+                         ["qwen-custom", "qwen-clone"])
+        # The task view's emit is forwarded so pip never touches the terminal.
+        mk_pip.assert_called_once_with([qwen.QWEN_PIP_PKG], emit="EMIT")
+
+    def test_cancel_before_pip_skips_uninstall(self):
+        import threading
+
+        from backends import qwen
+        cancel = threading.Event()
+        cancel.set()
+        with patch.object(qwen.servers, "stop") as mk_stop, \
+                patch.object(qwen.common, "pip_uninstall") as mk_pip:
+            rc = qwen.uninstall(cancel=cancel)
+        self.assertEqual(rc, 130)
+        self.assertEqual(mk_stop.call_count, 2)
+        mk_pip.assert_not_called()
+
+    def test_pip_failure_warns_but_still_succeeds(self):
+        from backends import qwen
+        with patch.object(qwen.servers, "stop"), \
+                patch.object(qwen.common, "pip_uninstall",
+                             return_value=1):
+            rc = qwen.uninstall()
+        self.assertEqual(rc, 0)