Files
agent-framework/python/packages/durabletask/tests/test_shim.py
T
Dmytro Struk 15256bb616 Python: [BREAKING] Renamed AgentProtocol to SupportsAgentRun (#3717)
* Renamed AgentProtocol to AgentLike

* Resolved comments

* Renamed AgentLike to SupportsAgentRun

* Resolved comments
2026-02-06 17:53:21 +00:00

214 lines
8.8 KiB
Python

# Copyright (c) Microsoft. All rights reserved.
"""Unit tests for DurableAIAgent shim and DurableAgentProvider.
Focuses on critical message normalization, delegation, and protocol compliance.
Run with: pytest tests/test_shim.py -v
"""
from typing import Any
from unittest.mock import Mock
import pytest
from agent_framework import ChatMessage, SupportsAgentRun
from pydantic import BaseModel
from agent_framework_durabletask import DurableAgentThread
from agent_framework_durabletask._executors import DurableAgentExecutor
from agent_framework_durabletask._models import RunRequest
from agent_framework_durabletask._shim import DurableAgentProvider, DurableAIAgent
class ResponseFormatModel(BaseModel):
"""Test Pydantic model for response format testing."""
result: str
@pytest.fixture
def mock_executor() -> Mock:
"""Create a mock executor for testing."""
mock = Mock(spec=DurableAgentExecutor)
mock.run_durable_agent = Mock(return_value=None)
mock.get_new_thread = Mock(return_value=DurableAgentThread())
# Mock get_run_request to create actual RunRequest objects
def create_run_request(
message: str,
options: dict[str, Any] | None = None,
) -> RunRequest:
import uuid
opts = dict(options) if options else {}
response_format = opts.pop("response_format", None)
enable_tool_calls = opts.pop("enable_tool_calls", True)
wait_for_response = opts.pop("wait_for_response", True)
return RunRequest(
message=message,
correlation_id=str(uuid.uuid4()),
response_format=response_format,
enable_tool_calls=enable_tool_calls,
wait_for_response=wait_for_response,
options=opts,
)
mock.get_run_request = Mock(side_effect=create_run_request)
return mock
@pytest.fixture
def test_agent(mock_executor: Mock) -> DurableAIAgent[Any]:
"""Create a test agent with mock executor."""
return DurableAIAgent(mock_executor, "test_agent")
class TestDurableAIAgentMessageNormalization:
"""Test that DurableAIAgent properly normalizes various message input types."""
def test_run_accepts_string_message(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run accepts and normalizes string messages."""
test_agent.run("Hello, world!")
mock_executor.run_durable_agent.assert_called_once()
# Verify agent_name and run_request were passed correctly as kwargs
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["agent_name"] == "test_agent"
assert kwargs["run_request"].message == "Hello, world!"
def test_run_accepts_chat_message(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run accepts and normalizes ChatMessage objects."""
chat_msg = ChatMessage(role="user", text="Test message")
test_agent.run(chat_msg)
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["run_request"].message == "Test message"
def test_run_accepts_list_of_strings(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run accepts and joins list of strings."""
test_agent.run(["First message", "Second message"])
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["run_request"].message == "First message\nSecond message"
def test_run_accepts_list_of_chat_messages(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run accepts and joins list of ChatMessage objects."""
messages = [
ChatMessage(role="user", text="Message 1"),
ChatMessage(role="assistant", text="Message 2"),
]
test_agent.run(messages)
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["run_request"].message == "Message 1\nMessage 2"
def test_run_handles_none_message(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run handles None message gracefully."""
test_agent.run(None)
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["run_request"].message == ""
def test_run_handles_empty_list(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run handles empty list gracefully."""
test_agent.run([])
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["run_request"].message == ""
class TestDurableAIAgentParameterFlow:
"""Test that parameters flow correctly through the shim to executor."""
def test_run_forwards_thread_parameter(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run forwards thread parameter to executor."""
thread = DurableAgentThread(service_thread_id="test-thread")
test_agent.run("message", thread=thread)
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["thread"] == thread
def test_run_forwards_response_format(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify run forwards response_format parameter to executor."""
test_agent.run("message", options={"response_format": ResponseFormatModel})
mock_executor.run_durable_agent.assert_called_once()
_, kwargs = mock_executor.run_durable_agent.call_args
assert kwargs["run_request"].response_format == ResponseFormatModel
class TestDurableAISupportsAgentRunCompliance:
"""Test that DurableAIAgent implements SupportsAgentRun correctly."""
def test_agent_implements_protocol(self, test_agent: DurableAIAgent[Any]) -> None:
"""Verify DurableAIAgent implements SupportsAgentRun."""
assert isinstance(test_agent, SupportsAgentRun)
def test_agent_has_required_properties(self, test_agent: DurableAIAgent[Any]) -> None:
"""Verify DurableAIAgent has all required SupportsAgentRun properties."""
assert hasattr(test_agent, "id")
assert hasattr(test_agent, "name")
assert hasattr(test_agent, "display_name")
assert hasattr(test_agent, "description")
def test_agent_id_defaults_to_name(self, mock_executor: Mock) -> None:
"""Verify agent id defaults to name when not provided."""
agent: DurableAIAgent[Any] = DurableAIAgent(mock_executor, "my_agent")
assert agent.id == "my_agent"
assert agent.name == "my_agent"
def test_agent_id_can_be_customized(self, mock_executor: Mock) -> None:
"""Verify agent id can be set independently from name."""
agent: DurableAIAgent[Any] = DurableAIAgent(mock_executor, "my_agent", agent_id="custom-id")
assert agent.id == "custom-id"
assert agent.name == "my_agent"
class TestDurableAIAgentThreadManagement:
"""Test thread creation and management."""
def test_get_new_thread_delegates_to_executor(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify get_new_thread delegates to executor."""
mock_thread = DurableAgentThread()
mock_executor.get_new_thread.return_value = mock_thread
thread = test_agent.get_new_thread()
mock_executor.get_new_thread.assert_called_once_with("test_agent")
assert thread == mock_thread
def test_get_new_thread_forwards_kwargs(self, test_agent: DurableAIAgent[Any], mock_executor: Mock) -> None:
"""Verify get_new_thread forwards kwargs to executor."""
mock_thread = DurableAgentThread(service_thread_id="thread-123")
mock_executor.get_new_thread.return_value = mock_thread
test_agent.get_new_thread(service_thread_id="thread-123")
mock_executor.get_new_thread.assert_called_once()
_, kwargs = mock_executor.get_new_thread.call_args
assert kwargs["service_thread_id"] == "thread-123"
class TestDurableAgentProviderInterface:
"""Test that DurableAgentProvider defines the correct interface."""
def test_provider_cannot_be_instantiated(self) -> None:
"""Verify DurableAgentProvider is abstract and cannot be instantiated."""
with pytest.raises(TypeError):
DurableAgentProvider() # type: ignore[abstract]
def test_provider_defines_get_agent_method(self) -> None:
"""Verify DurableAgentProvider defines get_agent abstract method."""
assert hasattr(DurableAgentProvider, "get_agent")
if __name__ == "__main__":
pytest.main([__file__, "-v", "--tb=short"])