"""Tests for agents/llm_adapter.py."""

from agents.llm_adapter import NeuralCADLLMAdapter


class FakeBackend:
    def generate(self, messages):
        return "test response"


class FakeVisionBackend:
    def generate(self, messages):
        return "test response"

    def generate_with_image(self, messages, image_path):
        return "vision response"


class TestNeuralCADLLMAdapter:
    def test_call_with_messages(self):
        adapter = NeuralCADLLMAdapter(FakeBackend())
        result = adapter.call([{"role": "user", "content": "hello"}])
        assert result == "test response"

    def test_call_with_string(self):
        adapter = NeuralCADLLMAdapter(FakeBackend())
        result = adapter.call("hello")
        assert result == "test response"

    def test_supports_function_calling(self):
        adapter = NeuralCADLLMAdapter(FakeBackend())
        assert adapter.supports_function_calling() is True

    def test_supports_stop_words(self):
        adapter = NeuralCADLLMAdapter(FakeBackend())
        assert adapter.supports_stop_words() is False

    def test_supports_vision_false(self):
        adapter = NeuralCADLLMAdapter(FakeBackend())
        assert adapter.supports_vision() is False

    def test_supports_vision_true(self):
        adapter = NeuralCADLLMAdapter(FakeVisionBackend())
        assert adapter.supports_vision() is True