mirror of
https://github.com/google/bumble.git
synced 2026-06-01 07:37:02 +00:00
Gilles Boccon-Gibod
240 lines
8.4 KiB
Python
240 lines
8.4 KiB
Python
# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import asyncio
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import struct
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import pytest
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from bumble import avc, avctp, avrcp, controller, core, device, host, link
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from bumble.transport import common
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# -----------------------------------------------------------------------------
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class TwoDevices:
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def __init__(self):
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self.connections = [None, None]
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addresses = ['F0:F1:F2:F3:F4:F5', 'F5:F4:F3:F2:F1:F0']
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self.link = link.LocalLink()
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self.controllers = [
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controller.Controller('C1', link=self.link, public_address=addresses[0]),
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controller.Controller('C2', link=self.link, public_address=addresses[1]),
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]
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self.devices = [
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device.Device(
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address=addresses[0],
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host=host.Host(
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self.controllers[0], common.AsyncPipeSink(self.controllers[0])
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),
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),
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device.Device(
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address=addresses[1],
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host=host.Host(
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self.controllers[1], common.AsyncPipeSink(self.controllers[1])
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),
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),
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]
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self.devices[0].classic_enabled = True
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self.devices[1].classic_enabled = True
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self.connections = [None, None]
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self.protocols = [None, None]
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def on_connection(self, which, connection):
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self.connections[which] = connection
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async def setup_connections(self):
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await self.devices[0].power_on()
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await self.devices[1].power_on()
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self.connections = await asyncio.gather(
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self.devices[0].connect(
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self.devices[1].public_address, core.PhysicalTransport.BR_EDR
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),
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self.devices[1].accept(self.devices[0].public_address),
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)
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self.protocols = [avrcp.Protocol(), avrcp.Protocol()]
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self.protocols[0].listen(self.devices[1])
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await self.protocols[1].connect(self.connections[0])
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# -----------------------------------------------------------------------------
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def test_frame_parser():
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with pytest.raises(ValueError) as error:
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avc.Frame.from_bytes(bytes.fromhex("11480000"))
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x = bytes.fromhex("014D0208")
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frame = avc.Frame.from_bytes(x)
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assert frame.subunit_type == avc.Frame.SubunitType.PANEL
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assert frame.subunit_id == 7
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assert frame.opcode == 8
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x = bytes.fromhex("014DFF0108")
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frame = avc.Frame.from_bytes(x)
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assert frame.subunit_type == avc.Frame.SubunitType.PANEL
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assert frame.subunit_id == 260
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assert frame.opcode == 8
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x = bytes.fromhex("0148000019581000000103")
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frame = avc.Frame.from_bytes(x)
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assert isinstance(frame, avc.CommandFrame)
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assert frame.ctype == avc.CommandFrame.CommandType.STATUS
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assert frame.subunit_type == avc.Frame.SubunitType.PANEL
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assert frame.subunit_id == 0
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assert frame.opcode == 0
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# -----------------------------------------------------------------------------
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def test_vendor_dependent_command():
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x = bytes.fromhex("0148000019581000000103")
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frame = avc.Frame.from_bytes(x)
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assert isinstance(frame, avc.VendorDependentCommandFrame)
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assert frame.company_id == 0x1958
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assert frame.vendor_dependent_data == bytes.fromhex("1000000103")
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frame = avc.VendorDependentCommandFrame(
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avc.CommandFrame.CommandType.STATUS,
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avc.Frame.SubunitType.PANEL,
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0,
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0x1958,
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bytes.fromhex("1000000103"),
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)
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assert bytes(frame) == x
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# -----------------------------------------------------------------------------
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def test_avctp_message_assembler():
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received_message = []
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def on_message(transaction_label, is_response, ipid, pid, payload):
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received_message.append((transaction_label, is_response, ipid, pid, payload))
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assembler = avctp.MessageAssembler(on_message)
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payload = bytes.fromhex("01")
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assembler.on_pdu(bytes([1 << 4 | 0b00 << 2 | 1 << 1 | 0, 0x11, 0x22]) + payload)
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assert received_message
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assert received_message[0] == (1, False, False, 0x1122, payload)
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received_message = []
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payload = bytes.fromhex("010203")
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assembler.on_pdu(bytes([1 << 4 | 0b01 << 2 | 1 << 1 | 0, 0x11, 0x22]) + payload)
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assert len(received_message) == 0
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assembler.on_pdu(bytes([1 << 4 | 0b00 << 2 | 1 << 1 | 0, 0x11, 0x22]) + payload)
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assert received_message
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assert received_message[0] == (1, False, False, 0x1122, payload)
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received_message = []
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payload = bytes.fromhex("010203")
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assembler.on_pdu(
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bytes([1 << 4 | 0b01 << 2 | 1 << 1 | 0, 3, 0x11, 0x22]) + payload[0:1]
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)
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assembler.on_pdu(
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bytes([1 << 4 | 0b10 << 2 | 1 << 1 | 0, 0x11, 0x22]) + payload[1:2]
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)
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assembler.on_pdu(
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bytes([1 << 4 | 0b11 << 2 | 1 << 1 | 0, 0x11, 0x22]) + payload[2:3]
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)
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assert received_message
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assert received_message[0] == (1, False, False, 0x1122, payload)
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# received_message = []
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# parameter = bytes.fromhex("010203")
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# assembler.on_pdu(struct.pack(">BBH", 0x10, 0b11, len(parameter)) + parameter)
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# assert len(received_message) == 0
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# -----------------------------------------------------------------------------
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def test_avrcp_pdu_assembler():
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received_pdus = []
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def on_pdu(pdu_id, parameter):
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received_pdus.append((pdu_id, parameter))
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assembler = avrcp.PduAssembler(on_pdu)
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parameter = bytes.fromhex("01")
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b00, len(parameter)) + parameter)
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assert received_pdus
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assert received_pdus[0] == (0x10, parameter)
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received_pdus = []
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parameter = bytes.fromhex("010203")
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b01, len(parameter)) + parameter)
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assert len(received_pdus) == 0
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b00, len(parameter)) + parameter)
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assert received_pdus
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assert received_pdus[0] == (0x10, parameter)
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received_pdus = []
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parameter = bytes.fromhex("010203")
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b01, 1) + parameter[0:1])
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b10, 1) + parameter[1:2])
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b11, 1) + parameter[2:3])
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assert received_pdus
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assert received_pdus[0] == (0x10, parameter)
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received_pdus = []
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parameter = bytes.fromhex("010203")
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assembler.on_pdu(struct.pack(">BBH", 0x10, 0b11, len(parameter)) + parameter)
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assert len(received_pdus) == 0
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def test_passthrough_commands():
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play_pressed = avc.PassThroughCommandFrame(
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avc.CommandFrame.CommandType.CONTROL,
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avc.CommandFrame.SubunitType.PANEL,
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0,
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avc.PassThroughCommandFrame.StateFlag.PRESSED,
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avc.PassThroughCommandFrame.OperationId.PLAY,
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b'',
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)
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play_pressed_bytes = bytes(play_pressed)
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parsed = avc.Frame.from_bytes(play_pressed_bytes)
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assert isinstance(parsed, avc.PassThroughCommandFrame)
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assert parsed.operation_id == avc.PassThroughCommandFrame.OperationId.PLAY
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assert bytes(parsed) == play_pressed_bytes
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# -----------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_get_supported_events():
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two_devices = TwoDevices()
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await two_devices.setup_connections()
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supported_events = await two_devices.protocols[0].get_supported_events()
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assert supported_events == []
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delegate1 = avrcp.Delegate([avrcp.EventId.VOLUME_CHANGED])
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two_devices.protocols[0].delegate = delegate1
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supported_events = await two_devices.protocols[1].get_supported_events()
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assert supported_events == [avrcp.EventId.VOLUME_CHANGED]
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# -----------------------------------------------------------------------------
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if __name__ == '__main__':
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test_frame_parser()
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test_vendor_dependent_command()
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test_avctp_message_assembler()
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test_avrcp_pdu_assembler()
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test_passthrough_commands()
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test_get_supported_events()
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