import unittest

from agents.unified_loop_llm import LLMSelectionMixin


class CodingOutputContractTests(unittest.TestCase):
    def test_code_directive_requires_extractable_single_snippet(self):
        directive = LLMSelectionMixin._FORMAT_DIRECTIVE_CODE

        self.assertIn("ESATTAMENTE un blocco", directive)
        self.assertIn("linguaggio richiesto", directive)
        self.assertIn("compilabile", directive)
        self.assertIn("export", directive)

    def test_code_directive_covers_async_and_react_safety(self):
        directive = LLMSelectionMixin._FORMAT_DIRECTIVE_CODE

        self.assertIn("async", directive)
        self.assertIn("await", directive)
        self.assertIn("try/catch", directive)
        self.assertIn("Promise.allSettled", directive)
        self.assertIn("AbortController", directive)
        self.assertIn("return () =>", directive)


if __name__ == "__main__":
    unittest.main()