65751186bd
* fix: preserve multimodal content blocks when merging consecutive user messages * test: consecutive user-message merge keeps multimodal image blocks
29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
"""Regression: merging consecutive user messages must not str() multimodal content."""
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from src.llm_core import _sanitize_llm_messages
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def test_multimodal_user_message_keeps_image_block_when_merged():
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image_msg = {"role": "user", "content": [
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{"type": "text", "text": "look at this"},
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{"type": "image_url", "image_url": {"url": "data:image/png;base64,AAAA"}},
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]}
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tool_result = {"role": "user", "content": "Tool result: 42"}
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out = _sanitize_llm_messages([image_msg, tool_result])
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# The two consecutive user messages collapse into one...
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assert len(out) == 1
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content = out[0]["content"]
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# ...and the image block survives (it used to be str()-ed into a repr).
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assert isinstance(content, list)
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assert any(b.get("type") == "image_url" for b in content)
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assert content[-1] == {"type": "text", "text": "Tool result: 42"}
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def test_string_only_user_merge_unchanged():
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a = {"role": "user", "content": "first"}
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b = {"role": "user", "content": "second"}
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out = _sanitize_llm_messages([a, b])
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assert len(out) == 1
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assert out[0]["content"] == "first\n\nsecond"
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