add fixture to mock API keys in unit tests that use AnyLLM.create internally

Author: HareeshBahuleyan

tests/unit/conftest.py

@@ -0,0 +1,20 @@
+import os
+from collections.abc import Generator
+
+import pytest
+
+from any_agent.config import AgentFramework
+
+
+@pytest.fixture(autouse=True)
+def mock_api_keys_for_unit_tests(
+    request: pytest.FixtureRequest,
+) -> Generator[None, None, None]:
+    """Automatically provide dummy API keys for unit tests to avoid API key requirements."""
+    if "agent_framework" in request.fixturenames:
+        agent_framework = request.getfixturevalue("agent_framework")
+        # Only set dummy API key if we're in a test that uses the agent_framework fixture
+        # and the framework is OPENAI (which uses any-llm with the AnyLLM.create class-based interface)
+        if agent_framework == AgentFramework.OPENAI:
+            os.environ["MISTRAL_API_KEY"] = "dummy-mistral-key-for-unit-tests"
+    yield