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36 lines
1.6 KiB
Python
36 lines
1.6 KiB
Python
"""`docs/run/opentelemetry.md`: every claim the page makes, proved against the real SDK."""
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import pytest
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from logfire.testing import CaptureLogfire
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from docs_src.opentelemetry import tutorial001
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from mcp import Client
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# See test_index.py for why this is a per-module mark and not a conftest hook.
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pytestmark = [pytest.mark.anyio, pytest.mark.filterwarnings("error::mcp.MCPDeprecationWarning")]
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async def test_a_plain_server_is_traced_with_no_extra_code(capfire: CaptureLogfire) -> None:
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"""tutorial001: calling a tool emits a `tools/call` SERVER span, though the example adds no middleware."""
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async with Client(tutorial001.mcp) as client:
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await client.call_tool("search_books", {"query": "dune"})
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spans = {s["name"]: s for s in capfire.exporter.exported_spans_as_dict()}
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assert "tools/call search_books" in spans
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attributes = spans["tools/call search_books"]["attributes"]
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assert attributes["mcp.method.name"] == "tools/call"
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assert attributes["gen_ai.operation.name"] == "execute_tool"
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assert attributes["gen_ai.tool.name"] == "search_books"
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async def test_client_and_server_share_one_trace(capfire: CaptureLogfire) -> None:
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"""When both sides run the SDK, the client and server spans land in one trace (SEP-414)."""
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async with Client(tutorial001.mcp, mode="legacy") as client:
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await client.call_tool("search_books", {"query": "dune"})
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spans = {s["name"]: s for s in capfire.exporter.exported_spans_as_dict()}
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client_span = spans["MCP send tools/call search_books"]
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server_span = spans["tools/call search_books"]
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assert server_span["context"]["trace_id"] == client_span["context"]["trace_id"]
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