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Timmy-time-dashboard/tests/timmy/test_ollama_disconnect.py
hermes 22e0d2d4b3
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[loop-cycle-66] fix: replace language-model with inference-backend in error messages (#334)
2026-03-18 20:27:06 -04:00

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Python

"""Test Ollama disconnection handling.
Verifies that:
1. BaseAgent.run() retries on transient errors (contention/disconnect) with backoff (#70)
2. BaseAgent.run() re-raises the error after retries are exhausted
3. session.chat() returns disconnect-specific message on connection errors
4. session.chat_with_tools() returns _ErrorRunOutput with disconnect message on connection errors
"""
import importlib
import logging
from unittest.mock import MagicMock, patch
import httpx
import pytest
class TestBaseAgentDisconnect:
"""Test BaseAgent.run() disconnection handling."""
def test_base_agent_retries_and_logs_on_connect_error(self, caplog):
"""BaseAgent.run() retries on ConnectError with backoff, then logs 'Ollama unreachable' (#70)."""
caplog.set_level(logging.WARNING)
importlib.import_module("timmy.agents.base")
with (
patch("timmy.agents.base.Ollama") as mock_ollama,
patch("timmy.agents.base.Agent") as mock_agent_class,
patch("timmy.agents.base.asyncio.sleep"),
):
mock_ollama.return_value = MagicMock()
mock_agent = MagicMock()
mock_agent.run.side_effect = httpx.ConnectError("Connection refused")
mock_agent_class.return_value = mock_agent
from timmy.agents.base import BaseAgent
class ConcreteAgent(BaseAgent):
async def execute_task(self, task_id: str, description: str, context: dict):
return {"task_id": task_id, "status": "completed"}
agent = ConcreteAgent(
agent_id="test",
name="Test",
role="tester",
system_prompt="You are a test agent.",
tools=[],
)
with pytest.raises(httpx.ConnectError):
import asyncio
asyncio.run(agent.run("test message"))
# Should have retried 3 times total
assert mock_agent.run.call_count == 3
assert any("Ollama contention" in record.message for record in caplog.records), (
f"Expected 'Ollama contention' in logs, got: {[r.message for r in caplog.records]}"
)
assert any("Ollama unreachable" in record.message for record in caplog.records), (
f"Expected 'Ollama unreachable' in logs, got: {[r.message for r in caplog.records]}"
)
def test_base_agent_retries_and_logs_on_read_error(self, caplog):
"""BaseAgent.run() retries on ReadError with backoff, then logs 'Ollama unreachable' (#70)."""
caplog.set_level(logging.WARNING)
importlib.import_module("timmy.agents.base")
with (
patch("timmy.agents.base.Ollama") as mock_ollama,
patch("timmy.agents.base.Agent") as mock_agent_class,
patch("timmy.agents.base.asyncio.sleep"),
):
mock_ollama.return_value = MagicMock()
mock_agent = MagicMock()
mock_agent.run.side_effect = httpx.ReadError("Server closed connection")
mock_agent_class.return_value = mock_agent
from timmy.agents.base import BaseAgent
class ConcreteAgent(BaseAgent):
async def execute_task(self, task_id: str, description: str, context: dict):
return {"task_id": task_id, "status": "completed"}
agent = ConcreteAgent(
agent_id="test",
name="Test",
role="tester",
system_prompt="You are a test agent.",
tools=[],
)
with pytest.raises(httpx.ReadError):
import asyncio
asyncio.run(agent.run("test message"))
assert mock_agent.run.call_count == 3
assert any("Ollama contention" in record.message for record in caplog.records), (
f"Expected 'Ollama contention' in logs, got: {[r.message for r in caplog.records]}"
)
def test_base_agent_retries_and_logs_on_connection_error(self, caplog):
"""BaseAgent.run() retries on ConnectionError with backoff (#70)."""
caplog.set_level(logging.WARNING)
importlib.import_module("timmy.agents.base")
with (
patch("timmy.agents.base.Ollama") as mock_ollama,
patch("timmy.agents.base.Agent") as mock_agent_class,
patch("timmy.agents.base.asyncio.sleep"),
):
mock_ollama.return_value = MagicMock()
mock_agent = MagicMock()
mock_agent.run.side_effect = ConnectionError("Network unreachable")
mock_agent_class.return_value = mock_agent
from timmy.agents.base import BaseAgent
class ConcreteAgent(BaseAgent):
async def execute_task(self, task_id: str, description: str, context: dict):
return {"task_id": task_id, "status": "completed"}
agent = ConcreteAgent(
agent_id="test",
name="Test",
role="tester",
system_prompt="You are a test agent.",
tools=[],
)
with pytest.raises(ConnectionError):
import asyncio
asyncio.run(agent.run("test message"))
assert mock_agent.run.call_count == 3
assert any("Ollama unreachable" in record.message for record in caplog.records), (
f"Expected 'Ollama unreachable' in logs, got: {[r.message for r in caplog.records]}"
)
def test_base_agent_re_raises_connection_error_after_retries(self):
"""BaseAgent.run() re-raises the connection error after exhausting retries (#70)."""
importlib.import_module("timmy.agents.base")
with (
patch("timmy.agents.base.Ollama") as mock_ollama,
patch("timmy.agents.base.Agent") as mock_agent_class,
patch("timmy.agents.base.asyncio.sleep"),
):
mock_ollama.return_value = MagicMock()
mock_agent = MagicMock()
mock_agent.run.side_effect = httpx.ConnectError("Connection refused")
mock_agent_class.return_value = mock_agent
from timmy.agents.base import BaseAgent
class ConcreteAgent(BaseAgent):
async def execute_task(self, task_id: str, description: str, context: dict):
return {"task_id": task_id, "status": "completed"}
agent = ConcreteAgent(
agent_id="test",
name="Test",
role="tester",
system_prompt="You are a test agent.",
tools=[],
)
with pytest.raises(httpx.ConnectError, match="Connection refused"):
import asyncio
asyncio.run(agent.run("test message"))
class TestSessionDisconnect:
"""Test session.py disconnection handling."""
@pytest.mark.asyncio
async def test_chat_returns_disconnect_message_on_connect_error(self, caplog):
"""session.chat() returns disconnect-specific message on httpx.ConnectError."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.arun.side_effect = httpx.ConnectError("Connection refused")
mock_get_agent.return_value = mock_agent
# Import after patching
from timmy import session
result = await session.chat("test message")
assert "Ollama appears to be disconnected" in result
assert any("Ollama disconnected" in record.message for record in caplog.records), (
f"Expected 'Ollama disconnected' in logs, got: {[r.message for r in caplog.records]}"
)
@pytest.mark.asyncio
async def test_chat_returns_disconnect_message_on_read_error(self, caplog):
"""session.chat() returns disconnect-specific message on httpx.ReadError."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.arun.side_effect = httpx.ReadError("Server closed connection")
mock_get_agent.return_value = mock_agent
from timmy import session
result = await session.chat("test message")
assert "Ollama appears to be disconnected" in result
assert any("Ollama disconnected" in record.message for record in caplog.records), (
f"Expected 'Ollama disconnected' in logs, got: {[r.message for r in caplog.records]}"
)
@pytest.mark.asyncio
async def test_chat_returns_disconnect_message_on_connection_error(self, caplog):
"""session.chat() returns disconnect-specific message on ConnectionError."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.arun.side_effect = ConnectionError("Network unreachable")
mock_get_agent.return_value = mock_agent
from timmy import session
result = await session.chat("test message")
assert "Ollama appears to be disconnected" in result
assert any("Ollama disconnected" in record.message for record in caplog.records), (
f"Expected 'Ollama disconnected' in logs, got: {[r.message for r in caplog.records]}"
)
@pytest.mark.asyncio
async def test_chat_with_tools_returns_error_run_output_on_connect_error(self, caplog):
"""session.chat_with_tools() returns _ErrorRunOutput with disconnect message on ConnectError."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.arun.side_effect = httpx.ConnectError("Connection refused")
mock_get_agent.return_value = mock_agent
from timmy import session
result = await session.chat_with_tools("test message")
assert hasattr(result, "content")
assert hasattr(result, "status")
assert "Ollama appears to be disconnected" in result.content
assert result.status == "ERROR"
assert any("Ollama disconnected" in record.message for record in caplog.records), (
f"Expected 'Ollama disconnected' in logs, got: {[r.message for r in caplog.records]}"
)
@pytest.mark.asyncio
async def test_chat_with_tools_returns_error_run_output_on_read_error(self, caplog):
"""session.chat_with_tools() returns _ErrorRunOutput with disconnect message on ReadError."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.arun.side_effect = httpx.ReadError("Server closed connection")
mock_get_agent.return_value = mock_agent
from timmy import session
result = await session.chat_with_tools("test message")
assert "Ollama appears to be disconnected" in result.content
assert any("Ollama disconnected" in record.message for record in caplog.records), (
f"Expected 'Ollama disconnected' in logs, got: {[r.message for r in caplog.records]}"
)
@pytest.mark.asyncio
async def test_continue_chat_returns_error_run_output_on_connect_error(self, caplog):
"""session.continue_chat() returns _ErrorRunOutput with disconnect message on ConnectError."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.acontinue_run.side_effect = httpx.ConnectError("Connection refused")
mock_get_agent.return_value = mock_agent
from timmy import session
mock_run_output = MagicMock()
result = await session.continue_chat(mock_run_output)
assert hasattr(result, "content")
assert "Ollama appears to be disconnected" in result.content
assert any("Ollama disconnected" in record.message for record in caplog.records), (
f"Expected 'Ollama disconnected' in logs, got: {[r.message for r in caplog.records]}"
)
@pytest.mark.asyncio
async def test_other_errors_use_generic_message(self, caplog):
"""Non-connection errors still use the generic error message."""
caplog.set_level(logging.ERROR)
with patch("timmy.session._get_agent") as mock_get_agent:
mock_agent = MagicMock()
mock_agent.arun.side_effect = ValueError("Some other error")
mock_get_agent.return_value = mock_agent
from timmy import session
result = await session.chat("test message")
assert "I'm having trouble reaching my inference backend" in result
# Should NOT have Ollama disconnected message
assert "Ollama appears to be disconnected" not in result