async def test_async_gen_for_stream_stream_request():
some_things = ["cake", "cricket", "coral reef"]
more_things = [
"ball", "that", "56kmodem", "liberal humanism", "cheesesticks"
]
expected_things = (*some_things, *more_things)
async with ChannelFor([ThingService()]) as channel:
client = ThingServiceClient(channel)
# Use an AsyncChannel to decouple sending and recieving, it'll send some_things
# immediately and we'll use it to send more_things later, after recieving some
# results
request_chan = AsyncChannel()
send_initial_requests = asyncio.ensure_future(
request_chan.send_from(
GetThingRequest(name) for name in some_things))
response_index = 0
async for response in client.get_different_things(request_chan):
assert response.name == expected_things[response_index]
assert response.version == response_index + 1
response_index += 1
if more_things:
# Send some more requests as we receive responses to be sure coordination of
# send/receive events doesn't matter
await request_chan.send(GetThingRequest(more_things.pop(0)))
elif not send_initial_requests.done():
# Make sure the sending task it completed
await send_initial_requests
else:
# No more things to send make sure channel is closed
request_chan.close()
assert response_index == len(
expected_things), "Didn't receive all expected responses"
async def test_send_individually_and_close_after_connect(
client, expected_responses):
requests = AsyncChannel()
await requests.send(Message(body="Hello world 1"))
await requests.send(Message(body="Hello world 2"))
responses = client.connect(requests)
requests.close()
assert await to_list(responses) == expected_responses
async def test_send_from_after_connect_and_close_automatically(
client, expected_responses):
requests = AsyncChannel()
responses = client.connect(requests)
await requests.send_from(
[Message(body="Hello world 1"),
Message(body="Hello world 2")],
close=True)
assert await to_list(responses) == expected_responses
async def test_send_from_close_manually_immediately(client,
expected_responses):
requests = AsyncChannel()
responses = client.connect(requests)
await requests.send_from(
[Message(body="Hello world 1"),
Message(body="Hello world 2")],
close=False)
requests.close()
assert await to_list(responses) == expected_responses