feat: simpler menu for start/stop backend servers

1 files changed, 28 insertions, 0 deletions

diff --git a/app/tests/test_tui.py b/app/tests/test_tui.py
index 5b5cb3c..030b668 100644
--- a/app/tests/test_tui.py
+++ b/app/tests/test_tui.py
@@ -50,6 +50,7 @@ class FakeCurses:
     ACS_LRCORNER = "lr"
     ACS_VLINE = "v"
     ACS_HLINE = "h"
+    ACS_RARROW = "ra"
 
     class error(Exception):
         pass
@@ -254,6 +255,33 @@ class MenuTests(TuiTestCase):
                           if drawn == "Build audio.cpp server")
         self.assertEqual(label_attr, tui._THEME["body"])
 
+    def test_selected_row_has_arrow_in_the_margin(self):
+        # The highlighted option gets an ACS_RARROW in the blank margin
+        # left of its text; unselected rows draw none.
+        screen = FakeScreen(keys=[10])
+        tui.menu(screen, "Pick", self.OPTIONS)
+        x0, _ = self.dialog_box(screen)
+        arrow_x = x0 + 1 + tui.Frame.LIST_MARGIN - 1
+        arrows = [(y, x) for y, x, ch, _ in screen.chars
+                  if ch == FakeCurses.ACS_RARROW]
+        y_first = next(y for y, _, text, _ in screen.strings
+                       if text == "first option")
+        self.assertEqual(arrows, [(y_first, arrow_x)])
+
+    def test_arrow_follows_the_cursor(self):
+        # Down moves the arrow onto the second option on the redraw.
+        screen = FakeScreen(keys=[FakeCurses.KEY_DOWN, 10])
+        tui.menu(screen, "Pick", self.OPTIONS)
+        x0, _ = self.dialog_box(screen)
+        arrow_x = x0 + 1 + tui.Frame.LIST_MARGIN - 1
+        arrows = [y for y, x, ch, _ in screen.chars
+                  if ch == FakeCurses.ACS_RARROW and x == arrow_x]
+        y_first = next(y for y, _, text, _ in screen.strings
+                       if text == "first option")
+        y_second = next(y for y, _, text, _ in screen.strings
+                        if text == "second option")
+        self.assertEqual(arrows, [y_first, y_second])
+
 
 class MenuTableTests(TuiTestCase):
     """The optional status table: aligned columns and colored statuses."""