Gemini MCP Server

"""Tests for the model provider abstraction system""" import os from unittest.mock import Mock, patch import pytest from providers import ModelProviderRegistry, ModelResponse from providers.gemini import GeminiModelProvider from providers.openai import OpenAIModelProvider from providers.shared import ProviderType class TestModelProviderRegistry: """Test the model provider registry""" def setup_method(self): """Clear registry before each test""" # Store the original providers to restore them later registry = ModelProviderRegistry() self._original_providers = registry._providers.copy() registry._providers.clear() registry._initialized_providers.clear() def teardown_method(self): """Restore original providers after each test""" # Restore the original providers that were registered in conftest.py registry = ModelProviderRegistry() registry._providers.clear() registry._initialized_providers.clear() registry._providers.update(self._original_providers) def test_register_provider(self): """Test registering a provider""" ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) registry = ModelProviderRegistry() assert ProviderType.GOOGLE in registry._providers assert registry._providers[ProviderType.GOOGLE] == GeminiModelProvider @patch.dict(os.environ, {"GEMINI_API_KEY": "test-key"}) def test_get_provider(self): """Test getting a provider instance""" ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) provider = ModelProviderRegistry.get_provider(ProviderType.GOOGLE) assert provider is not None assert isinstance(provider, GeminiModelProvider) assert provider.api_key == "test-key" @patch.dict(os.environ, {}, clear=True) def test_get_provider_no_api_key(self): """Test getting provider without API key returns None""" ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) provider = ModelProviderRegistry.get_provider(ProviderType.GOOGLE) assert provider is None @patch.dict(os.environ, {"GEMINI_API_KEY": "test-key"}) @pytest.mark.no_mock_provider def test_get_provider_for_model(self): """Test getting provider for a specific model""" ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) provider = ModelProviderRegistry.get_provider_for_model("gemini-2.5-flash") assert provider is not None assert isinstance(provider, GeminiModelProvider) def test_get_available_providers(self): """Test getting list of available providers""" ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) ModelProviderRegistry.register_provider(ProviderType.OPENAI, OpenAIModelProvider) providers = ModelProviderRegistry.get_available_providers() assert len(providers) == 2 assert ProviderType.GOOGLE in providers assert ProviderType.OPENAI in providers class TestGeminiProvider: """Test Gemini model provider""" def test_provider_initialization(self): """Test provider initialization""" provider = GeminiModelProvider(api_key="test-key") assert provider.api_key == "test-key" assert provider.get_provider_type() == ProviderType.GOOGLE def test_get_capabilities(self): """Test getting model capabilities""" provider = GeminiModelProvider(api_key="test-key") capabilities = provider.get_capabilities("gemini-2.5-flash") assert capabilities.provider == ProviderType.GOOGLE assert capabilities.model_name == "gemini-2.5-flash" assert capabilities.context_window == 1_048_576 assert capabilities.supports_extended_thinking def test_get_capabilities_pro_model(self): """Test getting capabilities for Pro model with thinking support""" provider = GeminiModelProvider(api_key="test-key") capabilities = provider.get_capabilities("gemini-2.5-pro") assert capabilities.supports_extended_thinking def test_model_shorthand_resolution(self): """Test model shorthand resolution""" provider = GeminiModelProvider(api_key="test-key") assert provider.validate_model_name("flash") assert provider.validate_model_name("pro") capabilities = provider.get_capabilities("flash") assert capabilities.model_name == "gemini-2.5-flash" @patch("google.genai.Client") def test_generate_content(self, mock_client_class): """Test content generation""" # Mock the client mock_client = Mock() mock_response = Mock() mock_response.text = "Generated content" # Mock candidates for finish_reason mock_candidate = Mock() mock_candidate.finish_reason = "STOP" mock_response.candidates = [mock_candidate] # Mock usage metadata mock_usage = Mock() mock_usage.prompt_token_count = 10 mock_usage.candidates_token_count = 20 mock_response.usage_metadata = mock_usage mock_client.models.generate_content.return_value = mock_response mock_client_class.return_value = mock_client provider = GeminiModelProvider(api_key="test-key") response = provider.generate_content(prompt="Test prompt", model_name="gemini-2.5-flash", temperature=0.7) assert isinstance(response, ModelResponse) assert response.content == "Generated content" assert response.model_name == "gemini-2.5-flash" assert response.provider == ProviderType.GOOGLE assert response.usage["input_tokens"] == 10 assert response.usage["output_tokens"] == 20 assert response.usage["total_tokens"] == 30 class TestOpenAIProvider: """Test OpenAI model provider""" def setup_method(self): """Clear restriction service cache before each test""" import utils.model_restrictions utils.model_restrictions._restriction_service = None def teardown_method(self): """Clear restriction service cache after each test""" import utils.model_restrictions utils.model_restrictions._restriction_service = None def test_provider_initialization(self): """Test provider initialization""" provider = OpenAIModelProvider(api_key="test-key", organization="test-org") assert provider.api_key == "test-key" assert provider.organization == "test-org" assert provider.get_provider_type() == ProviderType.OPENAI def test_get_capabilities_o3(self): """Test getting O3 model capabilities""" provider = OpenAIModelProvider(api_key="test-key") capabilities = provider.get_capabilities("o3-mini") assert capabilities.provider == ProviderType.OPENAI assert capabilities.model_name == "o3-mini" assert capabilities.context_window == 200_000 assert not capabilities.supports_extended_thinking def test_get_capabilities_o4_mini(self): """Test getting O4-mini model capabilities""" provider = OpenAIModelProvider(api_key="test-key") capabilities = provider.get_capabilities("o4-mini") assert capabilities.provider == ProviderType.OPENAI assert capabilities.model_name == "o4-mini" assert capabilities.context_window == 200_000 assert not capabilities.supports_extended_thinking # Check temperature constraint is fixed at 1.0 assert capabilities.temperature_constraint.value == 1.0 def test_validate_model_names(self): """Test model name validation""" provider = OpenAIModelProvider(api_key="test-key") assert provider.validate_model_name("o3") assert provider.validate_model_name("o3mini") assert provider.validate_model_name("o3-mini") # Backwards compatibility assert provider.validate_model_name("o4-mini") assert provider.validate_model_name("o4mini") assert provider.validate_model_name("o4-mini") assert not provider.validate_model_name("gpt-4o") assert not provider.validate_model_name("invalid-model") def test_openai_models_do_not_support_extended_thinking(self): """OpenAI catalogue exposes extended thinking capability via ModelCapabilities.""" provider = OpenAIModelProvider(api_key="test-key") aliases = ["o3", "o3mini", "o3-mini", "o4-mini", "o4mini"] for alias in aliases: assert not provider.get_capabilities(alias).supports_extended_thinking