nanobot/tests/agent/conftest.py
chengyongru 99cc6ee808 test(agent): expand coverage and refactor test structure
- Add 42 tests for ContextBuilder (context.py: 0→42 tests)
- Add 37 tests for SubagentManager lifecycle (subagent.py: 2→37 tests)
- Add 42 unit tests for AutoCompact in isolation
- Split monolithic test_runner.py (3313 lines) into 9 focused files:
  test_runner_core, test_runner_hooks, test_runner_errors,
  test_runner_safety, test_runner_persistence, test_runner_governance,
  test_runner_tool_execution, test_runner_injections,
  test_loop_runner_integration
- Add 3 config passthrough tests (temperature/max_tokens/reasoning_effort)
- Fix fragile patch.object(__init__) in test_stop_preserves_context
- Create shared conftest.py with make_provider/make_loop factories

Total: 934 tests passing, 0 regressions
2026-05-13 12:49:17 +08:00

94 lines
2.8 KiB
Python

"""Shared fixtures and helpers for agent tests."""
from __future__ import annotations
from pathlib import Path
from types import SimpleNamespace
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
from nanobot.agent.loop import AgentLoop
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMProvider
def make_provider(
default_model: str = "test-model",
*,
max_tokens: int = 4096,
spec: bool = True,
) -> MagicMock:
"""Create a spec-limited LLM provider mock."""
mock_type = MagicMock(spec=LLMProvider) if spec else MagicMock()
provider = mock_type
provider.get_default_model.return_value = default_model
provider.generation = SimpleNamespace(
max_tokens=max_tokens,
temperature=0.1,
reasoning_effort=None,
)
provider.estimate_prompt_tokens.return_value = (10_000, "test")
return provider
def make_loop(
tmp_path: Path,
*,
model: str = "test-model",
context_window_tokens: int = 128_000,
session_ttl_minutes: int = 0,
max_messages: int = 120,
unified_session: bool = False,
mcp_servers: dict | None = None,
tools_config=None,
model_presets: dict | None = None,
hooks: list | None = None,
provider: MagicMock | None = None,
patch_deps: bool = False,
) -> AgentLoop:
"""Create a real AgentLoop for testing.
Args:
patch_deps: If True, patch ContextBuilder/SessionManager/SubagentManager
during construction (needed when workspace has no real files).
"""
bus = MessageBus()
if provider is None:
provider = make_provider(default_model=model)
kwargs = dict(
bus=bus,
provider=provider,
workspace=tmp_path,
model=model,
context_window_tokens=context_window_tokens,
session_ttl_minutes=session_ttl_minutes,
max_messages=max_messages,
unified_session=unified_session,
)
if mcp_servers is not None:
kwargs["mcp_servers"] = mcp_servers
if tools_config is not None:
kwargs["tools_config"] = tools_config
if model_presets is not None:
kwargs["model_presets"] = model_presets
if hooks is not None:
kwargs["hooks"] = hooks
if patch_deps:
with patch("nanobot.agent.loop.ContextBuilder"), \
patch("nanobot.agent.loop.SessionManager"), \
patch("nanobot.agent.loop.SubagentManager") as MockSubMgr:
MockSubMgr.return_value.cancel_by_session = AsyncMock(return_value=0)
return AgentLoop(**kwargs)
return AgentLoop(**kwargs)
@pytest.fixture
def loop_factory(tmp_path):
"""Fixture providing a factory for creating AgentLoop instances."""
def _factory(**kwargs):
return make_loop(tmp_path, **kwargs)
return _factory