Gemini MCP Server

""" Pytest configuration for Zen MCP Server tests """ import asyncio import importlib import os import sys from pathlib import Path import pytest # Ensure the parent directory is in the Python path for imports parent_dir = Path(__file__).resolve().parent.parent if str(parent_dir) not in sys.path: sys.path.insert(0, str(parent_dir)) import utils.env as env_config # noqa: E402 # Ensure tests operate with runtime environment rather than .env overrides during imports env_config.reload_env({"ZEN_MCP_FORCE_ENV_OVERRIDE": "false"}) # Set default model to a specific value for tests to avoid auto mode # This prevents all tests from failing due to missing model parameter os.environ["DEFAULT_MODEL"] = "gemini-2.5-flash" # Force reload of config module to pick up the env var import config # noqa: E402 importlib.reload(config) # Note: This creates a test sandbox environment # Tests create their own temporary directories as needed # Configure asyncio for Windows compatibility if sys.platform == "win32": asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) # Register providers for all tests from providers.gemini import GeminiModelProvider # noqa: E402 from providers.openai import OpenAIModelProvider # noqa: E402 from providers.registry import ModelProviderRegistry # noqa: E402 from providers.shared import ProviderType # noqa: E402 from providers.xai import XAIModelProvider # noqa: E402 # Register providers at test startup ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) ModelProviderRegistry.register_provider(ProviderType.OPENAI, OpenAIModelProvider) ModelProviderRegistry.register_provider(ProviderType.XAI, XAIModelProvider) # Register CUSTOM provider if CUSTOM_API_URL is available (for integration tests) # But only if we're actually running integration tests, not unit tests if os.getenv("CUSTOM_API_URL") and "test_prompt_regression.py" in os.getenv("PYTEST_CURRENT_TEST", ""): from providers.custom import CustomProvider # noqa: E402 def custom_provider_factory(api_key=None): """Factory function that creates CustomProvider with proper parameters.""" base_url = os.getenv("CUSTOM_API_URL", "") return CustomProvider(api_key=api_key or "", base_url=base_url) ModelProviderRegistry.register_provider(ProviderType.CUSTOM, custom_provider_factory) @pytest.fixture def project_path(tmp_path): """ Provides a temporary directory for tests. This ensures all file operations during tests are isolated. """ # Create a subdirectory for this specific test test_dir = tmp_path / "test_workspace" test_dir.mkdir(parents=True, exist_ok=True) return test_dir def _set_dummy_keys_if_missing(): """Set dummy API keys only when they are completely absent.""" for var in ("GEMINI_API_KEY", "OPENAI_API_KEY", "XAI_API_KEY"): if not os.environ.get(var): os.environ[var] = "dummy-key-for-tests" # Pytest configuration def pytest_configure(config): """Configure pytest with custom markers""" config.addinivalue_line("markers", "asyncio: mark test as async") config.addinivalue_line("markers", "no_mock_provider: disable automatic provider mocking") # Assume we need dummy keys until we learn otherwise config._needs_dummy_keys = True def pytest_collection_modifyitems(session, config, items): """Hook that runs after test collection to check for no_mock_provider markers.""" # Always set dummy keys if real keys are missing # This ensures tests work in CI even with no_mock_provider marker _set_dummy_keys_if_missing() @pytest.fixture(autouse=True) def mock_provider_availability(request, monkeypatch): """ Automatically mock provider availability for all tests to prevent effective auto mode from being triggered when DEFAULT_MODEL is unavailable. This fixture ensures that when tests run with dummy API keys, the tools don't require model selection unless explicitly testing auto mode. """ # Skip this fixture for tests that need real providers if hasattr(request, "node"): marker = request.node.get_closest_marker("no_mock_provider") if marker: return # Ensure providers are registered (in case other tests cleared the registry) from providers.shared import ProviderType registry = ModelProviderRegistry() if ProviderType.GOOGLE not in registry._providers: ModelProviderRegistry.register_provider(ProviderType.GOOGLE, GeminiModelProvider) if ProviderType.OPENAI not in registry._providers: ModelProviderRegistry.register_provider(ProviderType.OPENAI, OpenAIModelProvider) if ProviderType.XAI not in registry._providers: ModelProviderRegistry.register_provider(ProviderType.XAI, XAIModelProvider) # Ensure CUSTOM provider is registered if needed for integration tests if ( os.getenv("CUSTOM_API_URL") and "test_prompt_regression.py" in os.getenv("PYTEST_CURRENT_TEST", "") and ProviderType.CUSTOM not in registry._providers ): from providers.custom import CustomProvider def custom_provider_factory(api_key=None): base_url = os.getenv("CUSTOM_API_URL", "") return CustomProvider(api_key=api_key or "", base_url=base_url) ModelProviderRegistry.register_provider(ProviderType.CUSTOM, custom_provider_factory) # Also mock is_effective_auto_mode for all BaseTool instances to return False # unless we're specifically testing auto mode behavior from tools.shared.base_tool import BaseTool def mock_is_effective_auto_mode(self): # If this is an auto mode test file or specific auto mode test, use the real logic test_file = request.node.fspath.basename if hasattr(request, "node") and hasattr(request.node, "fspath") else "" test_name = request.node.name if hasattr(request, "node") else "" # Allow auto mode for tests in auto mode files or with auto in the name if ( "auto_mode" in test_file.lower() or "auto" in test_name.lower() or "intelligent_fallback" in test_file.lower() or "per_tool_model_defaults" in test_file.lower() ): # Call original method logic from config import DEFAULT_MODEL if DEFAULT_MODEL.lower() == "auto": return True provider = ModelProviderRegistry.get_provider_for_model(DEFAULT_MODEL) return provider is None # For all other tests, return False to disable auto mode return False monkeypatch.setattr(BaseTool, "is_effective_auto_mode", mock_is_effective_auto_mode) @pytest.fixture(autouse=True) def clear_model_restriction_env(monkeypatch): """Ensure per-test isolation from user-defined model restriction env vars.""" restriction_vars = [ "OPENAI_ALLOWED_MODELS", "GOOGLE_ALLOWED_MODELS", "XAI_ALLOWED_MODELS", "OPENROUTER_ALLOWED_MODELS", "DIAL_ALLOWED_MODELS", ] for var in restriction_vars: monkeypatch.delenv(var, raising=False) @pytest.fixture(autouse=True) def disable_force_env_override(monkeypatch): """Default tests to runtime environment visibility unless they explicitly opt in.""" monkeypatch.setenv("ZEN_MCP_FORCE_ENV_OVERRIDE", "false") env_config.reload_env({"ZEN_MCP_FORCE_ENV_OVERRIDE": "false"}) monkeypatch.setenv("DEFAULT_MODEL", "gemini-2.5-flash") monkeypatch.setenv("MAX_CONVERSATION_TURNS", "50") import importlib import config import utils.conversation_memory as conversation_memory importlib.reload(config) importlib.reload(conversation_memory) try: yield finally: env_config.reload_env()