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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.fuelgauge;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 import static org.mockito.Matchers.any;
     21 import static org.mockito.Matchers.anyLong;
     22 import static org.mockito.Mockito.doReturn;
     23 import static org.mockito.Mockito.spy;
     24 import static org.mockito.Mockito.when;
     25 
     26 import android.content.Context;
     27 import android.content.Intent;
     28 import android.os.BatteryStats;
     29 
     30 import com.android.internal.os.BatteryStatsHelper;
     31 import com.android.settings.testutils.BatteryTestUtils;
     32 import com.android.settings.testutils.FakeFeatureFactory;
     33 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     34 
     35 import org.junit.Before;
     36 import org.junit.Test;
     37 import org.junit.runner.RunWith;
     38 import org.mockito.Answers;
     39 import org.mockito.Mock;
     40 import org.mockito.MockitoAnnotations;
     41 import org.robolectric.RuntimeEnvironment;
     42 
     43 @RunWith(SettingsRobolectricTestRunner.class)
     44 public class BatteryInfoLoaderTest {
     45 
     46     private static final long TEST_TIME_REMAINING = 1000L;
     47 
     48     @Mock (answer = Answers.RETURNS_DEEP_STUBS)
     49     private BatteryStatsHelper mHelper;
     50     @Mock (answer = Answers.RETURNS_DEEP_STUBS)
     51     private BatteryStats mStats;
     52 
     53     private Context mContext;
     54 
     55     @Before
     56     public void setUp() {
     57         MockitoAnnotations.initMocks(this);
     58         mContext = spy(RuntimeEnvironment.application);
     59         FakeFeatureFactory.setupForTest().getPowerUsageFeatureProvider(mContext);
     60 
     61         doReturn(mContext).when(mContext).getApplicationContext();
     62         when(mStats.computeBatteryTimeRemaining(anyLong())).thenReturn(TEST_TIME_REMAINING);
     63         doReturn(mStats).when(mHelper).getStats();
     64 
     65         final Intent dischargingBatteryBroadcast = BatteryTestUtils.getDischargingIntent();
     66         doReturn(dischargingBatteryBroadcast).when(mContext).registerReceiver(any(), any());
     67     }
     68 
     69     @Test
     70     public void test_loadInBackground_dischargingOldEstimate_dischargingLabelNotNull() {
     71         BatteryInfoLoader loader = new BatteryInfoLoader(mContext, mHelper);
     72         loader.batteryUtils = new BatteryUtils(mContext);
     73 
     74         BatteryInfo info = loader.loadInBackground();
     75 
     76         assertThat(info.remainingLabel).isNotNull();
     77         assertThat(info.remainingTimeUs).isEqualTo(TEST_TIME_REMAINING);
     78     }
     79 }
     80