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Deprecate roots, sampling, and logging methods per SEP-2577 (#2926)

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Marcelo Trylesinski 2026-06-20 17:25:41 +01:00 • committed by GitHub
commit 4573e4ac33
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1 changed files with 206 additions and 123 deletions
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24
tests/shared/test_peer.py
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@ -12,6 +12,7 @@ import anyio
import pytest
from mcp.shared.dispatcher import DispatchContext
from mcp.shared.exceptions import MCPDeprecationWarning
from mcp.shared.peer import ClientPeer, dump_params
from mcp.shared.transport_context import TransportContext
from mcp.types import (
@ -46,7 +47,7 @@ async def test_peer_sample_sends_create_message_and_returns_typed_result():
async with running_pair(direct_pair, server_on_request=rec.on_request) as (client, *_):
peer = ClientPeer(client)
with anyio.fail_after(5):
result = await peer.sample(
result = await peer.sample( # pyright: ignore[reportDeprecated]
[SamplingMessage(role="user", content=TextContent(type="text", text="hello"))],
max_tokens=10,
)
@ -66,7 +67,7 @@ async def test_peer_sample_validates_result_alias_only():
async with running_pair(direct_pair, server_on_request=rec.on_request) as (client, *_):
peer = ClientPeer(client)
with anyio.fail_after(5):
result = await peer.sample(
result = await peer.sample( # pyright: ignore[reportDeprecated]
[SamplingMessage(role="user", content=TextContent(type="text", text="q"))], max_tokens=1
)
assert isinstance(result, CreateMessageResult)
@ -79,7 +80,7 @@ async def test_peer_sample_with_tools_returns_with_tools_result():
async with running_pair(direct_pair, server_on_request=rec.on_request) as (client, *_):
peer = ClientPeer(client)
with anyio.fail_after(5):
result = await peer.sample(
result = await peer.sample( # pyright: ignore[reportDeprecated]
[SamplingMessage(role="user", content=TextContent(type="text", text="q"))],
max_tokens=5,
tools=[Tool(name="t", input_schema={"type": "object"})],
@ -124,7 +125,7 @@ async def test_peer_list_roots_sends_roots_list_and_returns_typed_result():
async with running_pair(direct_pair, server_on_request=rec.on_request) as (client, *_):
peer = ClientPeer(client)
with anyio.fail_after(5):
result = await peer.list_roots()
result = await peer.list_roots() # pyright: ignore[reportDeprecated]
method, _ = rec.seen[0]
assert method == "roots/list"
assert isinstance(result, ListRootsResult)
@ -138,12 +139,25 @@ async def test_peer_list_roots_with_meta_sends_meta_in_params():
async with running_pair(direct_pair, server_on_request=rec.on_request) as (client, *_):
peer = ClientPeer(client)
with anyio.fail_after(5):
await peer.list_roots(meta={"traceId": "t1"})
await peer.list_roots(meta={"traceId": "t1"}) # pyright: ignore[reportDeprecated]
method, params = rec.seen[0]
assert method == "roots/list"
assert params == {"_meta": {"traceId": "t1"}}
@pytest.mark.anyio
async def test_peer_list_roots_is_deprecated_sep_2577():
rec = _Recorder({"roots": []})
async with running_pair(direct_pair, server_on_request=rec.on_request) as (client, *_):
peer = ClientPeer(client)
with anyio.fail_after(5):
with pytest.warns(
MCPDeprecationWarning, match=r"The roots capability is deprecated as of 2026-07-28 \(SEP-2577\)\."
):
await peer.list_roots() # pyright: ignore[reportDeprecated]
assert rec.seen[0][0] == "roots/list"
def test_dump_params_merges_meta_over_model_meta():
out = dump_params(None, None)
assert out is None