oclaw/tests/test_openclaw_tool_result_guard.py
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Made-with: Cursor
2026-04-24 22:31:22 +08:00

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Python

from __future__ import annotations
from pathlib import Path
from oclaw.openclaw_runtime.direct_loop import _OPENCLAW_TOOL_RESULT_HARD_CAP_CHARS, _build_model_context
from oclaw.platform.llm.chat_models import RuleBasedChatModel
from oclaw.platform.persistence.sqlite_store import SqliteStore
def test_openclaw_tool_result_context_guard_truncates_large_tool_message(tmp_path: Path) -> None:
store = SqliteStore(str(tmp_path / "ops.sqlite"))
sess = store.create_session("t")
# Ensure the tool message is not a dangling orphan (some providers require pairing).
store.add_message(
session_id=sess.id,
role="assistant",
content="",
tool_calls=[{"id": "c1", "name": "echo", "arguments": {"x": 1}}],
)
huge = "X" * (_OPENCLAW_TOOL_RESULT_HARD_CAP_CHARS + 5000)
store.add_message(
session_id=sess.id,
role="tool",
content='{"ok": true, "blob": "' + huge + '"}',
tool_calls={"tool_call_id": "c1", "name": "echo", "assistant_message_id": 1},
)
msgs = _build_model_context(
store=store,
session_id=sess.id,
max_messages=50,
system_prompt="sys",
model=RuleBasedChatModel(),
lang="zh",
memory_context=None,
trace_id="t1",
parent_span_id=None,
)
tool_msgs = [m for m in msgs if m.get("role") == "tool"]
assert tool_msgs, msgs
guarded = str(tool_msgs[-1].get("content") or "")
assert len(guarded) <= _OPENCLAW_TOOL_RESULT_HARD_CAP_CHARS + 2000
assert "_tool_result_guarded" in guarded