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 package com.android.test.nullhome;
17 
18 import android.content.Context;
19 import android.content.pm.PackageManager;
20 import android.content.pm.ResolveInfo;
21 import android.support.test.InstrumentationRegistry;
22 import android.util.Log;
23 
24 import org.junit.Assert;
25 import org.junit.Before;
26 import org.junit.Test;
27 import org.junit.runner.RunWith;
28 import org.junit.runners.JUnit4;
29 
30 import java.util.ArrayList;
31 import java.util.List;
32 
33 /*
34  * Check if NullHome/SystemUserHome activity does not exist/is disabled.
35  *
36  * SystemUserHome is only enabled in bootable CSI (csi_x86, csi_arm64)
37  * products and should not be enabled in other products.
38  *
39  * Shell's NullHome is empty and caused issues in sevaral manual GUI tests
40  * that try to select/use it, and should be removed.
41  *
42  * Settings' FallbackHome is fine because it's specially handled by Settings.
43  *
44  */
45 
46 @RunWith(JUnit4.class)
47 public class NullHomeTest {
48     private static final String TAG = "NullHomeTest";
49     private Context mContext;
50     private PackageManager mPm;
51 
52     @Before
before()53     public void before() {
54         Log.d(TAG, "beforeClass()");
55         mContext = InstrumentationRegistry.getInstrumentation().getContext();
56         mPm = mContext.getPackageManager();
57     }
58 
59     @Test
checkNullHome()60     public void checkNullHome() {
61         final List<ResolveInfo> homeActivities = new ArrayList<>();
62 
63         mPm.getHomeActivities(homeActivities);
64         for (ResolveInfo activity : homeActivities) {
65             Log.d(TAG, "Home activity: " + activity.activityInfo.packageName);
66             Assert.assertNotEquals(activity.activityInfo.packageName,
67                     "com.android.internal.app.SystemUserHomeActivity");
68             Assert.assertNotEquals(activity.activityInfo.packageName,
69                     "com.android.shell");
70         }
71     }
72 }
73