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 package com.android.settings.development;
17 
18 import static com.google.common.truth.Truth.assertThat;
19 
20 import static org.mockito.ArgumentMatchers.any;
21 import static org.mockito.ArgumentMatchers.anyInt;
22 import static org.mockito.ArgumentMatchers.anyString;
23 import static org.mockito.Mockito.mock;
24 import static org.mockito.Mockito.verify;
25 import static org.mockito.Mockito.when;
26 
27 import android.content.Context;
28 import android.content.pm.PackageManager;
29 import android.content.pm.ResolveInfo;
30 import android.provider.Settings;
31 import android.provider.Settings.Global;
32 
33 import androidx.preference.PreferenceScreen;
34 
35 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
36 import com.android.settingslib.RestrictedSwitchPreference;
37 
38 import org.junit.Before;
39 import org.junit.Test;
40 import org.junit.runner.RunWith;
41 import org.mockito.Mock;
42 import org.mockito.MockitoAnnotations;
43 import org.robolectric.RobolectricTestRunner;
44 import org.robolectric.RuntimeEnvironment;
45 import org.robolectric.util.ReflectionHelpers;
46 
47 import java.util.Collections;
48 import java.util.List;
49 
50 @RunWith(RobolectricTestRunner.class)
51 public class VerifyAppsOverUsbPreferenceControllerTest {
52 
53     @Mock
54     private PackageManager mPackageManager;
55     @Mock
56     private PreferenceScreen mScreen;
57     @Mock
58     private RestrictedSwitchPreference mPreference;
59 
60     @Mock
61     private VerifyAppsOverUsbPreferenceController.RestrictedLockUtilsDelegate
62             mRestrictedLockUtilsDelegate;
63 
64     private Context mContext;
65     private VerifyAppsOverUsbPreferenceController mController;
66 
67     /** Convenience class for setting global int settings. */
68     class GlobalSetter {
set(String setting, int value)69         public GlobalSetter set(String setting, int value) {
70             Global.putInt(mContext.getContentResolver(), setting, value);
71             return this;
72         }
73     }
74 
75     private final GlobalSetter mGlobals = new GlobalSetter();
76 
77     @Before
setUp()78     public void setUp() {
79         MockitoAnnotations.initMocks(this);
80         mContext = RuntimeEnvironment.application;
81         when(mScreen.findPreference(anyString())).thenReturn(mPreference);
82         mController = new VerifyAppsOverUsbPreferenceController(mContext);
83         ReflectionHelpers
84             .setField(mController, "mRestrictedLockUtils", mRestrictedLockUtilsDelegate);
85         ReflectionHelpers.setField(mController, "mPackageManager", mPackageManager);
86         mController.displayPreference(mScreen);
87     }
88 
setupVerifyBroadcastReceivers(boolean nonEmpty)89     private void setupVerifyBroadcastReceivers(boolean nonEmpty) {
90         final List<ResolveInfo> resolveInfos = nonEmpty
91                 ? Collections.singletonList(mock(ResolveInfo.class))
92                 : Collections.emptyList();
93         when(mPackageManager.queryBroadcastReceivers(any(), anyInt()))
94                 .thenReturn(resolveInfos);
95     }
96 
setupEnforcedAdmin(EnforcedAdmin result)97     private void setupEnforcedAdmin(EnforcedAdmin result) {
98         when(mRestrictedLockUtilsDelegate
99             .checkIfRestrictionEnforced(any(), anyString(), anyInt())).thenReturn(result);
100     }
101 
102     @Test
updateState_settingEnabled_preferenceShouldBeChecked()103     public void updateState_settingEnabled_preferenceShouldBeChecked() {
104         setupVerifyBroadcastReceivers(true);
105         setupEnforcedAdmin(null);
106         mGlobals.set(Global.ADB_ENABLED, 1 /* setting enabled */)
107                 .set(Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1 /* setting enabled */);
108         mController.updateState(mPreference);
109         verify(mPreference).setChecked(true);
110     }
111 
112     @Test
updateState_settingDisabled_preferenceShouldNotBeChecked()113     public void updateState_settingDisabled_preferenceShouldNotBeChecked() {
114         setupVerifyBroadcastReceivers(true);
115         setupEnforcedAdmin(null);
116         mGlobals.set(Global.ADB_ENABLED, 1 /* setting enabled */)
117                 .set(Global.PACKAGE_VERIFIER_INCLUDE_ADB, 0 /* setting disabled */);
118         mController.updateState(mPreference);
119         verify(mPreference).setChecked(false);
120     }
121 
122     @Test
updateState_adbDisabled_preferenceShouldNotBeChecked()123     public void updateState_adbDisabled_preferenceShouldNotBeChecked() {
124         setupVerifyBroadcastReceivers(true);
125         setupEnforcedAdmin(null);
126         mGlobals.set(Global.ADB_ENABLED, 0 /* setting disabled */)
127                 .set(Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1 /* setting enabled */);
128         mController.updateState(mPreference);
129         verify(mPreference).setChecked(false);
130     }
131 
132     @Test
updateState_noBroadcastReceivers_preferenceShouldNotBeChecked()133     public void updateState_noBroadcastReceivers_preferenceShouldNotBeChecked() {
134         setupVerifyBroadcastReceivers(false);
135         setupEnforcedAdmin(null);
136         mGlobals.set(Global.ADB_ENABLED, 1 /* setting enabled */)
137                 .set(Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1 /* setting enabled */);
138         mController.updateState(mPreference);
139         verify(mPreference).setChecked(false);
140     }
141 
142     @Test
updateState_restrictedByAdmin_preferenceShouldBeDisabled()143     public void updateState_restrictedByAdmin_preferenceShouldBeDisabled() {
144         setupVerifyBroadcastReceivers(true);
145         final EnforcedAdmin admin = new EnforcedAdmin();
146         setupEnforcedAdmin(admin);
147         mGlobals.set(Global.ADB_ENABLED, 1 /* setting enabled */)
148                 .set(Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1 /* setting enabled */);
149         mController.updateState(mPreference);
150         verify(mPreference).setDisabledByAdmin(admin);
151     }
152 
153     @Test
isAvailable_verifierNotVisible_shouldReturnFalse()154     public void isAvailable_verifierNotVisible_shouldReturnFalse() {
155         setupVerifyBroadcastReceivers(true);
156         mGlobals.set(Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 0 /* setting disabled */);
157 
158         assertThat(mController.isAvailable()).isFalse();
159     }
160 
161     @Test
isAvailable_verifierVisible_shouldReturnTrue()162     public void isAvailable_verifierVisible_shouldReturnTrue() {
163         setupVerifyBroadcastReceivers(true);
164         mGlobals.set(Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 1 /* setting enabled */);
165 
166         assertThat(mController.isAvailable()).isTrue();
167     }
168 
169     @Test
onPreferenceChange_settingEnabled_shouldEnableUsbVerify()170     public void onPreferenceChange_settingEnabled_shouldEnableUsbVerify() {
171         mController.onPreferenceChange(mPreference, true /* new value */);
172 
173         final int mode = Settings.Global.getInt(mContext.getContentResolver(),
174                 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, -1 /* default */);
175 
176         assertThat(mode).isEqualTo(VerifyAppsOverUsbPreferenceController.SETTING_VALUE_ON);
177     }
178 
179     @Test
onPreferenceChange_settingDisabled_shouldDisableUsbVerify()180     public void onPreferenceChange_settingDisabled_shouldDisableUsbVerify() {
181         mController.onPreferenceChange(mPreference, false /* new value */);
182 
183         final int mode = Settings.Global.getInt(mContext.getContentResolver(),
184                 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, -1 /* default */);
185 
186         assertThat(mode).isEqualTo(VerifyAppsOverUsbPreferenceController.SETTING_VALUE_OFF);
187     }
188 }
189