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68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
"""Regression tests for iterative context-summary continuity."""
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from unittest.mock import MagicMock, patch
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from agent.context_compressor import ContextCompressor, SUMMARY_PREFIX
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def _compressor() -> ContextCompressor:
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with patch("agent.context_compressor.get_model_context_length", return_value=100000):
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return ContextCompressor(
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model="test/model",
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threshold_percent=0.85,
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protect_first_n=1,
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protect_last_n=1,
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quiet_mode=True,
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)
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def _response(content: str):
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mock_response = MagicMock()
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mock_response.choices = [MagicMock()]
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mock_response.choices[0].message.content = content
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return mock_response
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def _messages_with_handoff(summary_body: str):
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return [
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{"role": "system", "content": "system prompt"},
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{"role": "user", "content": f"{SUMMARY_PREFIX}\n{summary_body}"},
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{"role": "user", "content": "new user turn after resume"},
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{"role": "assistant", "content": "new assistant work after resume"},
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{"role": "user", "content": "more new work after resume"},
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{"role": "assistant", "content": "latest tail response"},
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]
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def test_existing_previous_summary_is_not_serialized_again_as_new_turn():
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"""Same-process iterative compression should not feed the old handoff twice."""
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compressor = _compressor()
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old_summary = "OLD-SUMMARY-BODY unique continuity facts"
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compressor._previous_summary = old_summary
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with patch("agent.context_compressor.call_llm", return_value=_response("updated summary")) as mock_call:
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compressor.compress(_messages_with_handoff(old_summary))
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prompt = mock_call.call_args.kwargs["messages"][0]["content"]
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assert "PREVIOUS SUMMARY:" in prompt
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assert "NEW TURNS TO INCORPORATE:" in prompt
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assert prompt.count(old_summary) == 1
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assert f"[USER]: {SUMMARY_PREFIX}" not in prompt
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def test_resume_rehydrates_previous_summary_from_handoff_message():
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"""After restart/resume, the persisted handoff should regain summary identity."""
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compressor = _compressor()
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old_summary = "RESUMED-SUMMARY-BODY durable continuity facts"
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assert compressor._previous_summary is None
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with patch("agent.context_compressor.call_llm", return_value=_response("updated summary")) as mock_call:
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compressor.compress(_messages_with_handoff(old_summary))
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prompt = mock_call.call_args.kwargs["messages"][0]["content"]
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assert "PREVIOUS SUMMARY:" in prompt
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assert "NEW TURNS TO INCORPORATE:" in prompt
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assert "TURNS TO SUMMARIZE:" not in prompt
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assert prompt.count(old_summary) == 1
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assert f"[USER]: {SUMMARY_PREFIX}" not in prompt
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