feat: hide convert/config/start-stop menus if no valid installation

1 files changed, 11 insertions, 0 deletions

diff --git a/app/tests/test_tui.py b/app/tests/test_tui.py
index 38f4fa9..e7fd976 100644
--- a/app/tests/test_tui.py
+++ b/app/tests/test_tui.py
@@ -751,6 +751,17 @@ class FlashTests(TuiTestCase):
         tui.flash(screen, "a notice", kind="warn")
         self.assertEqual(screen.keys, [])
 
+    def test_message_is_shown_without_a_notice_heading(self):
+        screen = FakeScreen(keys=[10])
+        tui.flash(screen, "No backend is installed", kind="warn")
+        texts = [text for _, _, text, _ in screen.strings]
+        self.assertNotIn("Notice", texts)
+        # The warning itself is the dialog's content, in its kind color.
+        attr = next(a for _, _, text, a in screen.strings
+                    if text == "No backend is installed")
+        self.assertEqual(attr, tui._THEME["warn"])
+        self.assert_inside_border(screen)
+
 
 if __name__ == "__main__":
     unittest.main()