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69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
"""Regression tests: _execute_tool must return an error string to the model
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instead of raising KeyError/JSONDecodeError on malformed LLM tool-call
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arguments (missing required fields or truncated streamed JSON)."""
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import asyncio
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import json
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import os
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import sys
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import types
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from agent import MultimodalAgent
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def _make_agent():
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"""Build a MultimodalAgent without __init__ (which needs API keys)."""
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agent = MultimodalAgent.__new__(MultimodalAgent)
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calls = []
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async def fake_analyze(path, query):
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calls.append((path, query))
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return "analysis ok"
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agent.tools = types.SimpleNamespace(
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analyze_image=fake_analyze,
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analyze_audio=fake_analyze,
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analyze_pdf=fake_analyze,
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)
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return agent, calls
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def _run(agent, name, arguments):
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tool_call = {"id": "call_1", "function": {"name": name, "arguments": arguments}}
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return asyncio.run(agent._execute_tool(tool_call))
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def test_missing_query_returns_error_not_keyerror():
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agent, calls = _make_agent()
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result = _run(agent, "analyze_image", json.dumps({"image_path": "cat.png"}))
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assert result.startswith("Error:")
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assert calls == []
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def test_missing_path_returns_error_not_keyerror():
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agent, calls = _make_agent()
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result = _run(agent, "analyze_pdf", json.dumps({"query": "what is this?"}))
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assert result.startswith("Error:")
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assert calls == []
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def test_malformed_json_returns_error_not_exception():
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agent, calls = _make_agent()
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result = _run(agent, "analyze_audio", '{"audio_path": "a.mp3", "que')
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assert result.startswith("Error:")
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assert calls == []
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def test_valid_arguments_still_call_tool():
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agent, calls = _make_agent()
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result = _run(agent, "analyze_image", json.dumps({"image_path": "cat.png", "query": "describe"}))
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assert result == "analysis ok"
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assert calls == [("cat.png", "describe")]
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def test_unknown_tool_still_reported():
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agent, _ = _make_agent()
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result = _run(agent, "analyze_video", json.dumps({}))
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assert "Unknown tool" in result
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