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https://github.com/Sea-Haven-Industries/open-swe.git
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77 lines
2.8 KiB
Python
77 lines
2.8 KiB
Python
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from __future__ import annotations
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from unittest.mock import MagicMock
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import pytest
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from langchain_anthropic import ChatAnthropic
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from langchain_core.messages import AIMessage, HumanMessage
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from agent.middleware.sanitize_thinking_blocks import SanitizeThinkingBlocksMiddleware
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def _make_request(messages: list[object], model: object | None = None) -> MagicMock:
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request = MagicMock()
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request.model = model or MagicMock(spec=ChatAnthropic)
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request.messages = messages
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return request
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class TestSanitizeThinkingBlocksMiddleware:
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def test_drops_empty_thinking_block_for_anthropic(self) -> None:
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message = AIMessage(
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content=[
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{"type": "thinking", "signature": "abc", "thinking": ""},
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{"type": "text", "text": "ok"},
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]
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)
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request = _make_request([message])
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response = MagicMock()
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def handler(req: object) -> object:
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assert req is request
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return response
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result = SanitizeThinkingBlocksMiddleware().wrap_model_call(request, handler)
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assert result is response
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assert message.content == [{"type": "text", "text": "ok"}]
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def test_preserves_non_empty_thinking_block_for_anthropic(self) -> None:
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thinking_block = {"type": "thinking", "signature": "abc", "thinking": "reasoning"}
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text_block = {"type": "text", "text": "ok"}
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message = AIMessage(content=[thinking_block, text_block])
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request = _make_request([message])
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SanitizeThinkingBlocksMiddleware().wrap_model_call(request, lambda req: MagicMock())
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assert message.content == [thinking_block, text_block]
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@pytest.mark.asyncio
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async def test_async_drops_missing_thinking_block_for_anthropic(self) -> None:
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message = AIMessage(
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content=[
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{"type": "thinking", "signature": "abc"},
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{"type": "text", "text": "ok"},
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]
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)
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request = _make_request([HumanMessage(content="hi"), message])
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response = MagicMock()
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async def handler(req: object) -> object:
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assert req is request
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return response
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result = await SanitizeThinkingBlocksMiddleware().awrap_model_call(request, handler)
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assert result is response
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assert message.content == [{"type": "text", "text": "ok"}]
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def test_ignores_non_anthropic_models(self) -> None:
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thinking_block = {"type": "thinking", "signature": "abc", "thinking": ""}
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message = AIMessage(content=[thinking_block, {"type": "text", "text": "ok"}])
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request = _make_request([message], model=MagicMock())
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SanitizeThinkingBlocksMiddleware().wrap_model_call(request, lambda req: MagicMock())
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assert message.content == [thinking_block, {"type": "text", "text": "ok"}]
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