first commit

tests/test_v0417.py

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+import ast
+import unittest
+from pathlib import Path
+
+
+ROOT = Path(__file__).parents[1]
+
+
+class StartupRegression0417Tests(unittest.TestCase):
+    def test_themed_icon_accepts_variadic_fallbacks(self):
+        source = (ROOT / "src/librenet_scanner/ui_icons.py").read_text(encoding="utf-8")
+        tree = ast.parse(source)
+        fn = next(node for node in tree.body if isinstance(node, ast.FunctionDef) and node.name == "themed_icon")
+        self.assertIsNotNone(fn.args.vararg, "themed_icon doit accepter plusieurs fallbacks")
+        self.assertEqual(fn.args.vararg.arg, "fallbacks")
+
+    def test_forget_identifications_menu_can_supply_three_theme_candidates(self):
+        source = (ROOT / "src/librenet_scanner/ui.py").read_text(encoding="utf-8")
+        self.assertIn('themed_icon("edit-delete", "edit-clear-history", "user-trash")', source)
+        # The regression in 0.4.16 was exactly a 3-positional-argument call.
+        # Variadic themed_icon must therefore remain compatible with it.
+        icon_source = (ROOT / "src/librenet_scanner/ui_icons.py").read_text(encoding="utf-8")
+        self.assertIn('def themed_icon(name: str, *fallbacks: str)', icon_source)
+
+
+if __name__ == "__main__":
+    unittest.main()