wehub-resource-sync
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86 lines
2.7 KiB
Python
86 lines
2.7 KiB
Python
import anyio
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import pytest
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from mcp import Client
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from mcp.server.mcpserver import MCPServer
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@pytest.mark.anyio
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async def test_messages_are_executed_concurrently_tools():
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server = MCPServer("test")
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event = anyio.Event()
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tool_started = anyio.Event()
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call_order: list[str] = []
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@server.tool("sleep")
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async def sleep_tool():
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call_order.append("waiting_for_event")
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tool_started.set()
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await event.wait()
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call_order.append("tool_end")
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return "done"
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@server.tool("trigger")
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async def trigger():
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# Wait for tool to start before setting the event
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await tool_started.wait()
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call_order.append("trigger_started")
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event.set()
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call_order.append("trigger_end")
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return "slow"
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async with Client(server) as client_session:
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# First tool will wait on event, second will set it
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async with anyio.create_task_group() as tg:
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# Start the tool first (it will wait on event)
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tg.start_soon(client_session.call_tool, "sleep")
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# Then the trigger tool will set the event to allow the first tool to continue
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await client_session.call_tool("trigger")
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# Verify that both ran concurrently
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assert call_order == [
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"waiting_for_event",
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"trigger_started",
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"trigger_end",
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"tool_end",
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], f"Expected concurrent execution, but got: {call_order}"
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@pytest.mark.anyio
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async def test_messages_are_executed_concurrently_tools_and_resources():
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server = MCPServer("test")
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event = anyio.Event()
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tool_started = anyio.Event()
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call_order: list[str] = []
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@server.tool("sleep")
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async def sleep_tool():
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call_order.append("waiting_for_event")
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tool_started.set()
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await event.wait()
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call_order.append("tool_end")
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return "done"
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@server.resource("slow://slow_resource")
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async def slow_resource():
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# Wait for tool to start before setting the event
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await tool_started.wait()
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event.set()
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call_order.append("resource_end")
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return "slow"
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async with Client(server) as client_session:
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# First tool will wait on event, second will set it
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async with anyio.create_task_group() as tg:
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# Start the tool first (it will wait on event)
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tg.start_soon(client_session.call_tool, "sleep")
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# Then the resource (it will set the event)
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tg.start_soon(client_session.read_resource, "slow://slow_resource")
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# Verify that both ran concurrently
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assert call_order == [
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"waiting_for_event",
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"resource_end",
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"tool_end",
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], f"Expected concurrent execution, but got: {call_order}"
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