1 /*
2  * Copyright (C) 2020 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.batterysaver;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 import static com.google.common.truth.Truth.assert_;
21 
22 import android.app.Activity;
23 import android.app.Instrumentation;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.os.PowerManager;
27 import android.provider.Settings;
28 import android.util.Log;
29 
30 import androidx.fragment.app.Fragment;
31 import androidx.fragment.app.FragmentActivity;
32 import androidx.test.core.app.ActivityScenario;
33 import androidx.test.core.app.ApplicationProvider;
34 import androidx.test.ext.junit.rules.ActivityScenarioRule;
35 import androidx.test.ext.junit.runners.AndroidJUnit4;
36 import androidx.test.filters.SmallTest;
37 import androidx.test.platform.app.InstrumentationRegistry;
38 
39 import com.android.settings.Settings.BatterySaverSettingsActivity;
40 import com.android.settings.SettingsPreferenceFragment;
41 import com.android.settings.testutils.AdbUtils;
42 
43 import org.junit.After;
44 import org.junit.Before;
45 import org.junit.Rule;
46 import org.junit.Test;
47 import org.junit.runner.RunWith;
48 
49 @RunWith(AndroidJUnit4.class)
50 @SmallTest
51 public class BatterySaverButtonPreferenceControllerComponentTest {
52     private static final String TAG =
53             BatterySaverButtonPreferenceControllerComponentTest.class.getSimpleName();
54     private final Instrumentation mInstrumentation = InstrumentationRegistry.getInstrumentation();
55     private final PowerManager mManager =
56             (PowerManager) mInstrumentation.getTargetContext().getSystemService(
57                     Context.POWER_SERVICE);
58     @Rule
59     public ActivityScenarioRule<BatterySaverSettingsActivity> rule = new ActivityScenarioRule<>(
60             new Intent(
61                     Settings.ACTION_BATTERY_SAVER_SETTINGS).setFlags(
62                     Intent.FLAG_ACTIVITY_NEW_TASK));
63 
64     @Before
setUp()65     public void setUp() throws Exception {
66         mInstrumentation.getUiAutomation().executeShellCommand("dumpsys battery unplug");
67         mInstrumentation.getUiAutomation().executeShellCommand("settings get global low_power 0");
68     }
69 
get_battery_saver_controller(Activity activity)70     private BatterySaverButtonPreferenceController get_battery_saver_controller(Activity activity) {
71         BatterySaverButtonPreferenceController controller =
72                 new BatterySaverButtonPreferenceController(
73                         ApplicationProvider.getApplicationContext(), "battery_saver");
74         Fragment f =
75                 ((FragmentActivity) activity).getSupportFragmentManager().getFragments().get(0);
76         controller.displayPreference(((SettingsPreferenceFragment) f).getPreferenceScreen());
77         return controller;
78     }
79 
80     @Test
test_check_battery_saver_button()81     public void test_check_battery_saver_button() throws Exception {
82         ActivityScenario scenario = rule.getScenario();
83         scenario.onActivity(activity -> {
84             BatterySaverButtonPreferenceController controller =
85                     get_battery_saver_controller(activity);
86             controller.setChecked(true);
87             checkPowerSaverMode(true);
88 
89             controller.setChecked(false);
90             checkPowerSaverMode(false);
91         });
92     }
93 
94     @After
tearDown()95     public void tearDown() {
96         mInstrumentation.getUiAutomation().executeShellCommand("settings get global low_power 0");
97         mInstrumentation.getUiAutomation().executeShellCommand("dumpsys battery reset");
98     }
99 
checkPowerSaverMode(boolean enabled)100     private void checkPowerSaverMode(boolean enabled) {
101         //Check through adb. Note that this needs to be done first, or a wait and poll needs to be
102         //done to the manager.isPowerSaveMode(), because calling isPowerSaveMode immediately after
103         //setting it does not return true. It takes a while for isPowerSaveMode() to return the
104         //up-to-date value.
105         try {
106             assertThat(
107                     AdbUtils.checkStringInAdbCommandOutput(TAG, "settings get global low_power",
108                             null, enabled ? "1" : "0", 1000)).isTrue();
109         } catch (Exception e) {
110             Log.e(TAG, e.getMessage());
111             assert_().fail();
112         }
113 
114         //Check through manager
115         assertThat(mManager.isPowerSaveMode() == enabled).isTrue();
116     }
117 
118 }
119