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/*
* Copyright (C) 2023 The Android Open Source Project
*
* 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
*
* http://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.
*/
package com.android.settingslib.bluetooth
import android.bluetooth.BluetoothAdapter
import android.bluetooth.BluetoothDevice
import android.bluetooth.BluetoothLeAudioCodecConfigMetadata
import android.bluetooth.BluetoothLeAudioContentMetadata
import android.bluetooth.BluetoothLeBroadcastChannel
import android.bluetooth.BluetoothLeBroadcastMetadata
import android.bluetooth.BluetoothLeBroadcastSubgroup
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.android.settingslib.bluetooth.BluetoothLeBroadcastMetadataExt.toQrCodeString
import com.google.common.truth.Truth.assertThat
import org.junit.Test
import org.junit.runner.RunWith
@RunWith(AndroidJUnit4::class)
class BluetoothLeBroadcastMetadataExtTest {
@Test
fun toQrCodeString() {
val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
setCodecId(0x6)
val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
setCodecSpecificConfig(audioCodecConfigMetadata)
setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
.setProgramInfo("Test").setLanguage("eng").build())
addChannel(BluetoothLeBroadcastChannel.Builder().apply {
setSelected(true)
setChannelIndex(2)
setCodecMetadata(audioCodecConfigMetadata)
}.build())
addChannel(BluetoothLeBroadcastChannel.Builder().apply {
setSelected(true)
setChannelIndex(1)
setCodecMetadata(audioCodecConfigMetadata)
}.build())
}.build()
val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
setSourceDevice(Device, BluetoothDevice.ADDRESS_TYPE_RANDOM)
setSourceAdvertisingSid(1)
setBroadcastId(123456)
setBroadcastName("Test")
setPublicBroadcastMetadata(BluetoothLeAudioContentMetadata.Builder()
.setProgramInfo("pTest").build())
setPaSyncInterval(160)
setEncrypted(true)
setBroadcastCode("TestCode".toByteArray(Charsets.UTF_8))
addSubgroup(subgroup)
}.build()
val qrCodeString = metadata.toQrCodeString()
assertThat(qrCodeString).isEqualTo(QR_CODE_STRING)
}
@Test
fun toQrCodeString_NoChannelSelected() {
val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
setCodecId(0x6)
val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
setCodecSpecificConfig(audioCodecConfigMetadata)
setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
.setProgramInfo("Test").setLanguage("eng").build())
addChannel(BluetoothLeBroadcastChannel.Builder().apply {
setSelected(false)
setChannelIndex(2)
setCodecMetadata(audioCodecConfigMetadata)
}.build())
addChannel(BluetoothLeBroadcastChannel.Builder().apply {
setSelected(false)
setChannelIndex(1)
setCodecMetadata(audioCodecConfigMetadata)
}.build())
}.build()
val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
setSourceDevice(Device, BluetoothDevice.ADDRESS_TYPE_RANDOM)
setSourceAdvertisingSid(1)
setBroadcastId(123456)
setBroadcastName("Test")
setPublicBroadcastMetadata(BluetoothLeAudioContentMetadata.Builder()
.setProgramInfo("pTest").build())
setPaSyncInterval(160)
setEncrypted(true)
setBroadcastCode("TestCode".toByteArray(Charsets.UTF_8))
addSubgroup(subgroup)
}.build()
val qrCodeString = metadata.toQrCodeString()
val parsedMetadata =
BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(qrCodeString)!!
assertThat(parsedMetadata).isNotNull()
assertThat(parsedMetadata.subgroups).isNotNull()
assertThat(parsedMetadata.subgroups.size).isEqualTo(1)
assertThat(parsedMetadata.subgroups[0].channels).isNotNull()
assertThat(parsedMetadata.subgroups[0].channels.size).isEqualTo(2)
assertThat(parsedMetadata.subgroups[0].hasChannelPreference()).isFalse()
// Input order does not matter due to parsing through bisMask
assertThat(parsedMetadata.subgroups[0].channels[0].channelIndex).isEqualTo(1)
assertThat(parsedMetadata.subgroups[0].channels[0].isSelected).isFalse()
assertThat(parsedMetadata.subgroups[0].channels[1].channelIndex).isEqualTo(2)
assertThat(parsedMetadata.subgroups[0].channels[1].isSelected).isFalse()
}
@Test
fun toQrCodeString_OneChannelSelected() {
val subgroup = BluetoothLeBroadcastSubgroup.Builder().apply {
setCodecId(0x6)
val audioCodecConfigMetadata = BluetoothLeAudioCodecConfigMetadata.Builder().build()
setCodecSpecificConfig(audioCodecConfigMetadata)
setContentMetadata(BluetoothLeAudioContentMetadata.Builder()
.setProgramInfo("Test").setLanguage("eng").build())
addChannel(BluetoothLeBroadcastChannel.Builder().apply {
setSelected(false)
setChannelIndex(1)
setCodecMetadata(audioCodecConfigMetadata)
}.build())
addChannel(BluetoothLeBroadcastChannel.Builder().apply {
setSelected(true)
setChannelIndex(2)
setCodecMetadata(audioCodecConfigMetadata)
}.build())
}.build()
val metadata = BluetoothLeBroadcastMetadata.Builder().apply {
setSourceDevice(Device, BluetoothDevice.ADDRESS_TYPE_RANDOM)
setSourceAdvertisingSid(1)
setBroadcastId(123456)
setBroadcastName("Test")
setPublicBroadcastMetadata(BluetoothLeAudioContentMetadata.Builder()
.setProgramInfo("pTest").build())
setPaSyncInterval(160)
setEncrypted(true)
setBroadcastCode("TestCode".toByteArray(Charsets.UTF_8))
addSubgroup(subgroup)
}.build()
val qrCodeString = metadata.toQrCodeString()
val parsedMetadata =
BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(qrCodeString)!!
assertThat(parsedMetadata).isNotNull()
assertThat(parsedMetadata.subgroups).isNotNull()
assertThat(parsedMetadata.subgroups.size).isEqualTo(1)
assertThat(parsedMetadata.subgroups[0].channels).isNotNull()
// Only selected channel can be recovered
assertThat(parsedMetadata.subgroups[0].channels.size).isEqualTo(2)
assertThat(parsedMetadata.subgroups[0].hasChannelPreference()).isTrue()
assertThat(parsedMetadata.subgroups[0].channels[0].channelIndex).isEqualTo(1)
assertThat(parsedMetadata.subgroups[0].channels[0].isSelected).isFalse()
assertThat(parsedMetadata.subgroups[0].channels[1].channelIndex).isEqualTo(2)
assertThat(parsedMetadata.subgroups[0].channels[1].isSelected).isTrue()
}
@Test
fun decodeAndEncodeAgain_sameString() {
val metadata = BluetoothLeBroadcastMetadataExt.convertToBroadcastMetadata(QR_CODE_STRING)!!
val qrCodeString = metadata.toQrCodeString()
assertThat(qrCodeString).isEqualTo(QR_CODE_STRING)
}
private companion object {
const val TEST_DEVICE_ADDRESS = "00:A1:A1:A1:A1:A1"
val Device: BluetoothDevice =
BluetoothAdapter.getDefaultAdapter().getRemoteLeDevice(TEST_DEVICE_ADDRESS,
BluetoothDevice.ADDRESS_TYPE_RANDOM)
const val QR_CODE_STRING =
"BT:R:65536;T:1;D:00-A1-A1-A1-A1-A1;AS:1;B:123456;BN:VGVzdA==;" +
"PM:BgNwVGVzdA==;SI:160;C:VGVzdENvZGU=;SG:BS:3,BM:3,AC:BQNUZXN0BARlbmc=;" +
"VN:U;;"
}
}
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