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# Copyright 2021-2024 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 logging
import unittest
import unittest.mock
import pytest
from bumble.controller import Controller
from bumble.hci import HCI_AclDataPacket
from bumble.host import DataPacketQueue, Host
from bumble.transport.common import AsyncPipeSink
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
@pytest.mark.parametrize(
'supported_commands, lmp_features',
[
(
# Default commands
'2000800000c000000000e4000000a822000000000000040000f7ffff7f000000'
'30f0f9ff01008004000000000000000000000000000000000000000000000000',
# Only LE LMP feature
'0000000060000000',
),
(
# All commands
'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'
'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
# 3 pages of LMP features
'000102030405060708090A0B0C0D0E0F011112131415161718191A1B1C1D1E1F',
),
],
)
async def test_reset(supported_commands: str, lmp_features: str):
controller = Controller('C')
controller.supported_commands = bytes.fromhex(supported_commands)
controller.lmp_features = bytes.fromhex(lmp_features)
host = Host(controller, AsyncPipeSink(controller))
await host.reset()
assert host.local_lmp_features == int.from_bytes(
bytes.fromhex(lmp_features), 'little'
)
# -----------------------------------------------------------------------------
def test_data_packet_queue():
controller = unittest.mock.Mock()
queue = DataPacketQueue(10, 2, controller.send)
assert queue.queued == 0
assert queue.completed == 0
packet = HCI_AclDataPacket(
connection_handle=123, pb_flag=0, bc_flag=0, data_total_length=0, data=b''
)
queue.enqueue(packet, packet.connection_handle)
assert queue.queued == 1
assert queue.completed == 0
assert controller.send.call_count == 1
queue.enqueue(packet, packet.connection_handle)
assert queue.queued == 2
assert queue.completed == 0
assert controller.send.call_count == 2
queue.enqueue(packet, packet.connection_handle)
assert queue.queued == 3
assert queue.completed == 0
assert controller.send.call_count == 2
queue.on_packets_completed(1, 8000)
assert queue.queued == 3
assert queue.completed == 0
assert controller.send.call_count == 2
queue.on_packets_completed(1, 123)
assert queue.queued == 3
assert queue.completed == 1
assert controller.send.call_count == 3
queue.enqueue(packet, packet.connection_handle)
assert queue.queued == 4
assert queue.completed == 1
assert controller.send.call_count == 3
queue.on_packets_completed(2, 123)
assert queue.queued == 4
assert queue.completed == 3
assert controller.send.call_count == 4
queue.on_packets_completed(1, 123)
assert queue.queued == 4
assert queue.completed == 4
assert controller.send.call_count == 4
queue.enqueue(packet, 123)
queue.enqueue(packet, 123)
queue.enqueue(packet, 123)
queue.enqueue(packet, 124)
queue.enqueue(packet, 124)
queue.enqueue(packet, 124)
queue.on_packets_completed(1, 123)
assert queue.queued == 10
assert queue.completed == 5
queue.flush(123)
queue.flush(124)
assert queue.queued == 10
assert queue.completed == 10
queue.enqueue(packet, 123)
queue.on_packets_completed(1, 124)
assert queue.queued == 11
assert queue.completed == 10
queue.on_packets_completed(1000, 123)
assert queue.queued == 11
assert queue.completed == 11
drain_listener = unittest.mock.Mock()
queue.on('flow', drain_listener.on_flow)
queue.enqueue(packet, 123)
assert drain_listener.on_flow.call_count == 0
queue.on_packets_completed(1, 123)
assert drain_listener.on_flow.call_count == 1
queue.enqueue(packet, 123)
queue.enqueue(packet, 123)
queue.enqueue(packet, 123)
queue.flush(123)
assert drain_listener.on_flow.call_count == 1
assert queue.queued == 15
assert queue.completed == 15
|
