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Add the client-side subscriptions/listen driver (#3047)

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Max 2026-07-07 14:26:09 +01:00 • committed by GitHub
commit 9bdc03d54e
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9
tests/interaction/lowlevel/test_resources.py
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@ -203,6 +203,7 @@ async def test_list_resource_templates_returns_registered_templates(connect: Con
)
@pytest.mark.filterwarnings("ignore::mcp.MCPDeprecationWarning")
@requirement("resources:subscribe")
async def test_subscribe_resource_delivers_uri_to_handler(connect: Connect) -> None:
"""Subscribing to a resource delivers the URI to the server's subscribe handler and returns an empty result."""
@ -214,11 +215,12 @@ async def test_subscribe_resource_delivers_uri_to_handler(connect: Connect) -> N
server = Server("library", on_subscribe_resource=subscribe_resource)
async with connect(server) as client:
result = await client.subscribe_resource("file:///watched.txt")
result = await client.subscribe_resource("file:///watched.txt") # pyright: ignore[reportDeprecated]
assert result == snapshot(EmptyResult())
@pytest.mark.filterwarnings("ignore::mcp.MCPDeprecationWarning")
@requirement("resources:subscribe:capability-required")
async def test_subscribe_without_a_subscribe_handler_is_method_not_found(connect: Connect) -> None:
"""Subscribing to a server that registered no subscribe handler is rejected with METHOD_NOT_FOUND.
@ -237,13 +239,14 @@ async def test_subscribe_without_a_subscribe_handler_is_method_not_found(connect
async with connect(server) as client:
with pytest.raises(MCPError) as exc_info:
await client.subscribe_resource("file:///watched.txt")
await client.subscribe_resource("file:///watched.txt") # pyright: ignore[reportDeprecated]
assert exc_info.value.error == snapshot(
ErrorData(code=METHOD_NOT_FOUND, message="Method not found", data="resources/subscribe")
)
@pytest.mark.filterwarnings("ignore::mcp.MCPDeprecationWarning")
@requirement("resources:unsubscribe")
async def test_unsubscribe_resource_delivers_uri_to_handler(connect: Connect) -> None:
"""Unsubscribing from a resource delivers the URI to the server's unsubscribe handler."""
@ -255,7 +258,7 @@ async def test_unsubscribe_resource_delivers_uri_to_handler(connect: Connect) ->
server = Server("library", on_unsubscribe_resource=unsubscribe_resource)
async with connect(server) as client:
result = await client.unsubscribe_resource("file:///watched.txt")
result = await client.unsubscribe_resource("file:///watched.txt") # pyright: ignore[reportDeprecated]
assert result == snapshot(EmptyResult())