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39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
"""Asserts each variant publishes a `who` object schema and the call round-trips."""
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from mcp_types import TextContent
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from mcp.client import Client
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from stories._harness import Target, run_client
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async def main(target: Target, *, mode: str = "auto") -> None:
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async with Client(target, mode=mode) as client:
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listed = await client.list_tools()
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by_name = {t.name: t for t in listed.tools}
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assert set(by_name) == {"greet_pydantic", "greet_typeddict", "greet_dataclass", "greet_dict"}
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for name in ("greet_pydantic", "greet_typeddict", "greet_dataclass"):
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schema = by_name[name].input_schema
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assert schema["required"] == ["who"], schema
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# MCPServer emits a $defs/$ref pair; lowlevel inlines. Resolve either.
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who = schema["properties"]["who"]
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if "$ref" in who:
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who = schema["$defs"][who["$ref"].rsplit("/", 1)[-1]]
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assert "name" in who["properties"], who
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result = await client.call_tool(name, {"who": {"name": "Ada", "title": "colleague"}})
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assert not result.is_error, result
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assert isinstance(result.content[0], TextContent)
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assert result.content[0].text == "Hello Ada, my colleague"
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# dict[str, Any] → free-form object schema, no nested `properties` required.
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dict_who = by_name["greet_dict"].input_schema["properties"]["who"]
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assert dict_who["type"] == "object" and "$ref" not in dict_who
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result = await client.call_tool("greet_dict", {"who": {"name": "Ada"}})
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assert isinstance(result.content[0], TextContent)
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assert result.content[0].text == "Hello Ada, my friend"
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if __name__ == "__main__":
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run_client(main)
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