feat: sglang backend support

1 files changed, 19 insertions, 0 deletions

diff --git a/app/tests/test_tui.py b/app/tests/test_tui.py
index e3383cb..ea2dd79 100644
--- a/app/tests/test_tui.py
+++ b/app/tests/test_tui.py
@@ -1303,6 +1303,25 @@ class CheckboxTreeTests(TuiTestCase):
                                    start_on_buttons=True)
         self.assertEqual(picked, [(0, "pkg-a")])
 
+    def test_allow_empty_confirms_with_nothing_checked(self):
+        # allow_empty=True: Confirm on an empty tree returns [] instead
+        # of flashing — a meaningful answer for pickers where unchecking
+        # means removing. (Tab first: the focus starts on the rows.)
+        screen = FakeScreen(keys=[9, 10])
+        self.assertEqual(
+            tui.checkbox_tree(screen, "Pick models", self.FAMILIES,
+                              allow_empty=True), [])
+
+    def test_allow_empty_accepts_a_fully_unchecked_tree(self):
+        # The modify flow: a pre-checked option is unchecked (Down Down
+        # Space), then Confirm accepts the now-empty selection.
+        screen = FakeScreen(keys=[FakeCurses.KEY_DOWN, FakeCurses.KEY_DOWN,
+                                  ord(" "), 9, 10])
+        picked = tui.checkbox_tree(
+            screen, "Pick models", self.FAMILIES,
+            checked={(0, "pkg-b")}, allow_empty=True)
+        self.assertEqual(picked, [])
+
     def test_prechecked_options_draw_as_checked(self):
         screen = FakeScreen(keys=[9, 10])
         tui.checkbox_tree(screen, "Pick models", self.FAMILIES,