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chore: import upstream snapshot with attribution
2026-07-13 12:37:18 +08:00

93 lines
2.6 KiB
Python

"""Exercise the WebSocket transport against the integration API.
Equivalent to `test_values.py` but with `transport="websocket"`.
"""
from __future__ import annotations
import asyncio
from _common import (
ASSISTANT_ID,
auto_respond_async,
auto_respond_sync,
check_api_reachable,
header,
make_async_client,
make_sync_client,
)
async def run_async() -> None:
header("async websocket transport")
threads, raw = make_async_client()
try:
async with threads.stream(
assistant_id=ASSISTANT_ID,
transport="websocket",
) as thread:
from langgraph_sdk.stream.transport import ProtocolWebSocketTransport
assert isinstance(thread._transport, ProtocolWebSocketTransport), (
f"expected ws transport, got {type(thread._transport).__name__}"
)
await thread.run.start(input={"messages": [], "value": "init", "items": []})
# The graph interrupts at `ask_human`; without a background
# responder the values iterator would pause indefinitely.
responder = auto_respond_async(thread)
snapshots: list[dict] = []
async for snap in thread.values:
snapshots.append(snap)
print(f" ws values snapshot items={snap.get('items')!r}")
await responder
final = await thread.output
print(f" final via ws: items={final.get('items')!r}")
assert "sub" in final.get("items", []), (
"expected subgraph to have run via ws transport"
)
finally:
await raw.aclose()
def run_sync() -> None:
header("sync websocket transport")
threads, raw = make_sync_client()
try:
with threads.stream(
assistant_id=ASSISTANT_ID,
transport="websocket",
) as thread:
thread.run.start(input={"messages": [], "value": "init", "items": []})
responder = auto_respond_sync(thread)
snapshots: list[dict] = []
for snap in thread.values:
snapshots.append(snap)
print(f" ws values snapshot items={snap.get('items')!r}")
responder.join(timeout=5)
final = thread.output
print(f" final via ws: items={final.get('items')!r}")
assert "sub" in final.get("items", []), (
"expected subgraph to have run via ws transport"
)
finally:
raw.close()
def main() -> None:
check_api_reachable()
asyncio.run(run_async())
run_sync()
if __name__ == "__main__":
main()