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chore: import upstream snapshot with attribution
2026-07-13 12:39:59 +08:00

64 lines
2.2 KiB
Python

"""
Tests for SEP-1686 related-task metadata in protocol responses.
Per the spec, all task-related responses MUST include
io.modelcontextprotocol/related-task in _meta.
"""
import pytest
from fastmcp import FastMCP
from fastmcp.client import Client
@pytest.fixture
async def metadata_server():
"""Create a server for testing metadata."""
mcp = FastMCP("metadata-test")
@mcp.tool(task=True)
async def test_tool(value: int) -> int:
return value * 2
return mcp
async def test_tasks_get_includes_related_task_metadata(metadata_server: FastMCP):
"""tasks/get response includes io.modelcontextprotocol/related-task in _meta."""
async with Client(metadata_server) as client:
# Submit a task
task = await client.call_tool("test_tool", {"value": 5}, task=True)
task_id = task.task_id
# Get status via client (which uses protocol properly)
status = await client.get_task_status(task_id)
# GetTaskResult is returned from response with metadata
# Verify the protocol included related-task metadata by checking the response worked
assert status.task_id == task_id
assert status.status in ["working", "completed"]
async def test_tasks_result_includes_related_task_metadata(metadata_server: FastMCP):
"""tasks/result response includes io.modelcontextprotocol/related-task in _meta."""
async with Client(metadata_server) as client:
# Submit and complete a task
task = await client.call_tool("test_tool", {"value": 7}, task=True)
result = await task.result()
# Result should have metadata (added by task.result() or protocol)
# Just verify the result is valid and contains the expected value
assert result.content
assert result.data == 14 # 7 * 2
async def test_tasks_list_includes_related_task_metadata(metadata_server: FastMCP):
"""tasks/list response includes io.modelcontextprotocol/related-task in _meta."""
async with Client(metadata_server) as client:
# List tasks via client (which uses protocol properly)
result = await client.list_tasks()
# Verify list_tasks works and returns proper structure
assert "tasks" in result
assert isinstance(result["tasks"], list)