108 lines
4.4 KiB
Python
108 lines
4.4 KiB
Python
"""Compaction rebuilds dynamic tool schemas (forever-session fix, #95681 arc).
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Forever-sessions (Bot Mode, gateway channels) never restart; compaction is
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the only boundary where the prompt cache is already broken, so it is the
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one sanctioned point for a tool-snapshot rebuild. These tests pin:
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- refresh_agent_mcp_tools(content_aware=True) swaps on CONTENT change under
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a stable name set (the dynamic-schema case its name-only diff missed)
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- content_aware=False keeps the old no-churn behavior (MCP-reload callers)
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- the compaction helper is wired into the commit path and never raises
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"""
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import os
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import sys
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import unittest
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from unittest.mock import patch
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
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class _Agent:
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quiet_mode = True
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enabled_toolsets = ["image_gen"]
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disabled_toolsets = None
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def _defs(desc):
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return [{"type": "function", "function": {
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"name": "image_generate", "description": desc,
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"parameters": {"type": "object", "properties": {}},
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}}]
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class TestContentAwareRefresh(unittest.TestCase):
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def _agent_with(self, desc):
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agent = _Agent()
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agent.tools = _defs(desc)
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agent.valid_tool_names = {"image_generate"}
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agent._tool_snapshot_generation = 0
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return agent
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def _refresh(self, agent, new_desc, **kw):
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from tools.mcp_tool import refresh_agent_mcp_tools
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with patch("model_tools.get_tool_definitions",
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return_value=_defs(new_desc)), \
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patch("tools.mcp_tool._reinject_post_build_tools",
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return_value=set()):
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return refresh_agent_mcp_tools(agent, **kw)
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def test_content_change_swaps_when_content_aware(self):
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agent = self._agent_with("old capabilities text")
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self._refresh(agent, "new capabilities text", content_aware=True)
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self.assertIn("new capabilities",
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agent.tools[0]["function"]["description"])
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def test_content_change_ignored_when_name_only(self):
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"""MCP-reload callers keep the historical no-churn contract."""
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agent = self._agent_with("old capabilities text")
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self._refresh(agent, "new capabilities text", content_aware=False)
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self.assertIn("old capabilities",
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agent.tools[0]["function"]["description"])
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def test_identical_content_keeps_identity(self):
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agent = self._agent_with("same text")
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before = agent.tools
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self._refresh(agent, "same text", content_aware=True)
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self.assertIs(agent.tools, before)
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class TestCompactionWiring(unittest.TestCase):
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def test_helper_delegates_content_aware(self):
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from agent.conversation_compression import _refresh_agent_tool_definitions
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agent = _Agent()
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with patch("tools.mcp_tool.refresh_agent_mcp_tools",
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return_value={"newly_added"}) as m:
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changed = _refresh_agent_tool_definitions(agent)
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self.assertTrue(changed)
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m.assert_called_once_with(agent, content_aware=True)
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def test_commit_path_calls_helper_and_survives_failure(self):
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"""The commit boundary invokes the refresh and a raising refresh
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must not break compaction (wrapped in try/except at the call site).
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Pin the call-site contract by source: the helper call sits between
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_invalidate_system_prompt and the always-rebuild of the prompt
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(post-#95681: the keep-prompt containment branch is gone — the
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rebuilt prompt is compared byte-for-byte and only object identity
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is preserved on equality)."""
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import inspect
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from agent import conversation_compression as cc
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src = inspect.getsource(cc)
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i_invalidate = src.find("agent._invalidate_system_prompt()")
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i_refresh = src.find("_refresh_agent_tool_definitions(agent)",
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i_invalidate)
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i_rebuild = src.find("rebuilt_system_prompt = agent._build_system_prompt(",
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i_refresh)
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self.assertGreater(i_refresh, i_invalidate,
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"refresh must follow prompt invalidation")
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self.assertGreater(i_rebuild, i_refresh,
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"refresh must precede the prompt rebuild")
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guard_window = src[i_refresh - 400:i_refresh]
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self.assertIn("try:", guard_window,
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"refresh call must be exception-guarded")
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if __name__ == "__main__":
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unittest.main()
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