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rfcomm_test.py
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rfcomm_test.py
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import pytest
from . import test_utils
from bumble.rfcomm import RFCOMM_Frame, Server, Client, DLC
# -----------------------------------------------------------------------------
def basic_frame_check(x):
serialized = bytes(x)
if len(serialized) < 500:
print('Original:', x)
print('Serialized:', serialized.hex())
parsed = RFCOMM_Frame.from_bytes(serialized)
if len(serialized) < 500:
print('Parsed:', parsed)
parsed_bytes = bytes(parsed)
if len(serialized) < 500:
print('Parsed Bytes:', parsed_bytes.hex())
assert parsed_bytes == serialized
x_str = str(x)
parsed_str = str(parsed)
assert x_str == parsed_str
# -----------------------------------------------------------------------------
def test_frames():
data = bytes.fromhex('033f011c')
frame = RFCOMM_Frame.from_bytes(data)
basic_frame_check(frame)
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_basic_connection():
devices = test_utils.TwoDevices()
await devices.setup_connection()
accept_future: asyncio.Future[DLC] = asyncio.get_running_loop().create_future()
channel = Server(devices[0]).listen(acceptor=accept_future.set_result)
multiplexer = await Client(devices.connections[1]).start()
dlcs = await asyncio.gather(accept_future, multiplexer.open_dlc(channel))
queues = [asyncio.Queue(), asyncio.Queue()]
for dlc, queue in zip(dlcs, queues):
dlc.sink = queue.put_nowait
dlcs[0].write(b'The quick brown fox jumps over the lazy dog')
assert await queues[1].get() == b'The quick brown fox jumps over the lazy dog'
dlcs[1].write(b'Lorem ipsum dolor sit amet')
assert await queues[0].get() == b'Lorem ipsum dolor sit amet'
# -----------------------------------------------------------------------------
if __name__ == '__main__':
test_frames()