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# Copyright 2021-2023 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 dataclasses
import logging
import struct
import pytest
import pytest_asyncio
from bumble import device
from bumble.profiles import mcp
from tests.test_utils import TwoDevices
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# -----------------------------------------------------------------------------
# Helpers
# -----------------------------------------------------------------------------
TIMEOUT = 0.1
@dataclasses.dataclass
class GmcsContext:
devices: TwoDevices
client: mcp.GenericMediaControlServiceProxy
server: mcp.GenericMediaControlService
# -----------------------------------------------------------------------------
@pytest_asyncio.fixture
async def gmcs_context():
devices = TwoDevices()
server = mcp.GenericMediaControlService()
devices[0].add_service(server)
await devices.setup_connection()
devices.connections[0].encryption = 1
devices.connections[1].encryption = 1
peer = device.Peer(devices.connections[1])
client = await peer.discover_service_and_create_proxy(
mcp.GenericMediaControlServiceProxy
)
await client.subscribe_characteristics()
return GmcsContext(devices=devices, server=server, client=client)
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_update_media_state(gmcs_context):
state = asyncio.Queue()
gmcs_context.client.on('media_state', state.put_nowait)
await gmcs_context.devices[0].notify_subscribers(
gmcs_context.server.media_state_characteristic,
value=bytes([mcp.MediaState.PLAYING]),
)
assert (await asyncio.wait_for(state.get(), TIMEOUT)) == mcp.MediaState.PLAYING
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_update_track_title(gmcs_context):
state = asyncio.Queue()
gmcs_context.client.on('track_title', state.put_nowait)
await gmcs_context.devices[0].notify_subscribers(
gmcs_context.server.track_title_characteristic,
value="My Song".encode(),
)
assert (await asyncio.wait_for(state.get(), TIMEOUT)) == "My Song"
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_update_track_duration(gmcs_context):
state = asyncio.Queue()
gmcs_context.client.on('track_duration', state.put_nowait)
await gmcs_context.devices[0].notify_subscribers(
gmcs_context.server.track_duration_characteristic,
value=struct.pack("<i", 1000),
)
assert (await asyncio.wait_for(state.get(), TIMEOUT)) == 1000
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_update_track_position(gmcs_context):
state = asyncio.Queue()
gmcs_context.client.on('track_position', state.put_nowait)
await gmcs_context.devices[0].notify_subscribers(
gmcs_context.server.track_position_characteristic,
value=struct.pack("<i", 1000),
)
assert (await asyncio.wait_for(state.get(), TIMEOUT)) == 1000
# -----------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_write_media_control_point(gmcs_context):
assert (
await asyncio.wait_for(
gmcs_context.client.write_control_point(mcp.MediaControlPointOpcode.PAUSE),
TIMEOUT,
)
) == mcp.MediaControlPointResultCode.SUCCESS
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