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239e91a4d6
Adds a focused regression test so the fix for tool_result image handling cannot silently revert. Two cases: - list content with an image_url + text block -> image_url is translated to a native Anthropic image block, sibling text passes through unchanged - plain string content passes through untouched (the new list branch must not alter the string path) These cover the exact symptom surface (silent image drop with a "Non-transient LLM error with image content" warning) and the only two content shapes tool results actually take today. Made-with: Cursor
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
"""Tests for AnthropicProvider._tool_result_block image_url conversion.
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Regression for: tool results containing OpenAI-format image_url blocks
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(e.g. from read_file on an image file, via build_image_content_blocks)
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were passed to Anthropic unconverted, causing silent image drops with a
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"Non-transient LLM error with image content, retrying without images"
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warning.
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"""
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from nanobot.providers.anthropic_provider import AnthropicProvider
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def test_tool_result_block_converts_image_url_in_list_content():
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"""image_url blocks inside tool_result list content must be translated
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to Anthropic-native image blocks; sibling text blocks pass through."""
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msg = {
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"role": "tool",
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"tool_call_id": "call_1",
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"content": [
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{
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"type": "image_url",
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"image_url": {"url": "data:image/png;base64,AAAA"},
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"_meta": {"path": "/tmp/x.png"},
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},
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{"type": "text", "text": "(Image file: /tmp/x.png)"},
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],
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}
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block = AnthropicProvider._tool_result_block(msg)
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assert block["type"] == "tool_result"
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assert block["tool_use_id"] == "call_1"
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content = block["content"]
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assert isinstance(content, list)
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assert content[0] == {
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"type": "image",
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"source": {
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"type": "base64",
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"media_type": "image/png",
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"data": "AAAA",
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},
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}
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assert content[1] == {"type": "text", "text": "(Image file: /tmp/x.png)"}
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def test_tool_result_block_preserves_string_content():
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"""String content must be passed through unchanged; the image-conversion
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path for lists must not affect the string path."""
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msg = {
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"role": "tool",
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"tool_call_id": "call_2",
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"content": "plain tool output",
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}
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block = AnthropicProvider._tool_result_block(msg)
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assert block["type"] == "tool_result"
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assert block["tool_use_id"] == "call_2"
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assert block["content"] == "plain tool output"
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