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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.development;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 import static org.mockito.Mockito.spy;
     21 import static org.mockito.Mockito.verify;
     22 import static org.mockito.Mockito.when;
     23 
     24 import android.arch.lifecycle.LifecycleOwner;
     25 import android.bluetooth.BluetoothCodecConfig;
     26 import android.content.Context;
     27 import android.support.v7.preference.ListPreference;
     28 import android.support.v7.preference.PreferenceScreen;
     29 
     30 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     31 import com.android.settingslib.core.lifecycle.Lifecycle;
     32 
     33 import org.junit.Before;
     34 import org.junit.Test;
     35 import org.junit.runner.RunWith;
     36 import org.mockito.Mock;
     37 import org.mockito.MockitoAnnotations;
     38 import org.robolectric.RuntimeEnvironment;
     39 
     40 @RunWith(SettingsRobolectricTestRunner.class)
     41 public class BluetoothAudioBitsPerSamplePreferenceControllerTest {
     42 
     43     @Mock
     44     private BluetoothCodecConfig mBluetoothCodecConfig;
     45     @Mock
     46     private ListPreference mPreference;
     47     @Mock
     48     private PreferenceScreen mScreen;
     49     @Mock
     50     private BluetoothA2dpConfigStore mBluetoothA2dpConfigStore;
     51 
     52     /**
     53      * 0: Use System Selection (Default)
     54      * 1: 16 bits/sample
     55      * 2: 24 bits/sample
     56      * 3: 32 bits/sample
     57      */
     58     private String[] mListValues;
     59     private Context mContext;
     60     private BluetoothAudioBitsPerSamplePreferenceController mController;
     61     private LifecycleOwner mLifecycleOwner;
     62     private Lifecycle mLifecycle;
     63 
     64     @Before
     65     public void setup() {
     66         MockitoAnnotations.initMocks(this);
     67         mContext = RuntimeEnvironment.application;
     68         mLifecycleOwner = () -> mLifecycle;
     69         mLifecycle = new Lifecycle(mLifecycleOwner);
     70         mController = spy(new BluetoothAudioBitsPerSamplePreferenceController(mContext,
     71                 mLifecycle, mBluetoothA2dpConfigStore));
     72         mListValues = mController.getListValues();
     73         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
     74         mController.displayPreference(mScreen);
     75     }
     76 
     77     @Test
     78     public void writeConfigurationValues_option2_shouldWriteOption2ToSharedStore() {
     79         when(mPreference.findIndexOfValue(mListValues[2])).thenReturn(2);
     80         mController.writeConfigurationValues(mListValues[2]);
     81 
     82         verify(mBluetoothA2dpConfigStore).setBitsPerSample(BluetoothCodecConfig.BITS_PER_SAMPLE_24);
     83     }
     84 
     85     @Test
     86     public void writeConfigurationValues_default_shouldSetDefault() {
     87         when(mPreference.findIndexOfValue(mListValues[0])).thenReturn(0);
     88         mController.writeConfigurationValues(mListValues[0]);
     89 
     90         verify(mBluetoothA2dpConfigStore).setBitsPerSample(
     91                 BluetoothCodecConfig.BITS_PER_SAMPLE_NONE);
     92     }
     93 
     94     @Test
     95     public void getCurrentA2dpSettingIndex_option2_shouldReturnSecondIndex() {
     96         when(mBluetoothCodecConfig.getBitsPerSample()).thenReturn(
     97                 BluetoothCodecConfig.BITS_PER_SAMPLE_24);
     98 
     99         final int index = mController.getCurrentA2dpSettingIndex(mBluetoothCodecConfig);
    100 
    101         assertThat(index).isEqualTo(2);
    102     }
    103 
    104     @Test
    105     public void getCurrentA2dpSettingIndex_unknownOption_shouldReturnDefault() {
    106         when(mBluetoothCodecConfig.getCodecType()).thenReturn(1381391835);
    107 
    108         final int index = mController.getCurrentA2dpSettingIndex(mBluetoothCodecConfig);
    109 
    110         assertThat(index).isEqualTo(0);
    111     }
    112 }
    113