tests/robotests/src/com/android/settings/network/PrivateDnsModeDialogPreferenceTest.java

   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.network;
  18
  19 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
  20 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
  21 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
  22 import static android.provider.Settings.Global.PRIVATE_DNS_MODE;
  23
  24 import static com.google.common.truth.Truth.assertThat;
  25
  26 import static org.mockito.Mockito.anyInt;
  27 import static org.mockito.Mockito.mock;
  28 import static org.mockito.Mockito.when;
  29
  30 import android.content.ContentResolver;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.net.ConnectivityManager;
  34 import android.provider.Settings;
  35 import android.view.LayoutInflater;
  36 import android.view.View;
  37 import android.widget.Button;
  38 import android.widget.LinearLayout;
  39
  40 import androidx.appcompat.app.AlertDialog;
  41
  42 import com.android.settings.R;
  43 import com.android.settings.testutils.shadow.ShadowOs;
  44 import com.android.settingslib.CustomDialogPreferenceCompat.CustomPreferenceDialogFragment;
  45
  46 import org.junit.Before;
  47 import org.junit.Test;
  48 import org.junit.runner.RunWith;
  49 import org.mockito.MockitoAnnotations;
  50 import org.robolectric.RobolectricTestRunner;
  51 import org.robolectric.RuntimeEnvironment;
  52 import org.robolectric.annotation.Config;
  53 import org.robolectric.util.ReflectionHelpers;
  54
  55 @RunWith(RobolectricTestRunner.class)
  56 @Config(shadows = ShadowOs.class)
  57 public class PrivateDnsModeDialogPreferenceTest {
  58
  59     private static final String HOST_NAME = "dns.example.com";
  60     private static final String INVALID_HOST_NAME = "...,";
  61
  62     private PrivateDnsModeDialogPreference mPreference;
  63
  64     private Context mContext;
  65     private Button mSaveButton;
  66
  67     @Before
  68     public void setUp() {
  69         MockitoAnnotations.initMocks(this);
  70
  71         ReflectionHelpers.setStaticField(android.system.OsConstants.class, "AF_INET", 2);
  72         ReflectionHelpers.setStaticField(android.system.OsConstants.class, "AF_INET6", 10);
  73
  74         mContext = RuntimeEnvironment.application;
  75         mSaveButton = new Button(mContext);
  76
  77         final CustomPreferenceDialogFragment fragment = mock(CustomPreferenceDialogFragment.class);
  78         final AlertDialog dialog = mock(AlertDialog.class);
  79         when(fragment.getDialog()).thenReturn(dialog);
  80         when(dialog.getButton(anyInt())).thenReturn(mSaveButton);
  81
  82         mPreference = new PrivateDnsModeDialogPreference(mContext);
  83         ReflectionHelpers.setField(mPreference, "mFragment", fragment);
  84
  85         final LayoutInflater inflater = LayoutInflater.from(mContext);
  86         final View view = inflater.inflate(R.layout.private_dns_mode_dialog,
  87                 new LinearLayout(mContext), false);
  88
  89         mPreference.onBindDialogView(view);
  90     }
  91
  92     @Test
  93     public void testOnCheckedChanged_dnsModeOff_disableEditText() {
  94         mPreference.onCheckedChanged(null, R.id.private_dns_mode_off);
  95
  96         assertThat(mPreference.mMode).isEqualTo(PRIVATE_DNS_MODE_OFF);
  97         assertThat(mPreference.mEditText.isEnabled()).isFalse();
  98     }
  99
 100     @Test
 101     public void testOnCheckedChanged_dnsModeOpportunistic_disableEditText() {
 102         mPreference.onCheckedChanged(null, R.id.private_dns_mode_opportunistic);
 103
 104         assertThat(mPreference.mMode).isEqualTo(PRIVATE_DNS_MODE_OPPORTUNISTIC);
 105         assertThat(mPreference.mEditText.isEnabled()).isFalse();
 106     }
 107
 108     @Test
 109     public void testOnCheckedChanged_dnsModeProvider_enableEditText() {
 110         mPreference.onCheckedChanged(null, R.id.private_dns_mode_provider);
 111
 112         assertThat(mPreference.mMode).isEqualTo(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME);
 113         assertThat(mPreference.mEditText.isEnabled()).isTrue();
 114     }
 115
 116     @Test
 117     public void testOnBindDialogView_containsCorrectData() {
 118         // Don't set settings to the default value ("opportunistic") as that
 119         // risks masking failure to read the mode from settings.
 120         Settings.Global.putString(mContext.getContentResolver(),
 121                 PrivateDnsModeDialogPreference.MODE_KEY, PRIVATE_DNS_MODE_OFF);
 122         Settings.Global.putString(mContext.getContentResolver(),
 123                 PrivateDnsModeDialogPreference.HOSTNAME_KEY, HOST_NAME);
 124
 125         final LayoutInflater inflater = LayoutInflater.from(mContext);
 126         final View view = inflater.inflate(R.layout.private_dns_mode_dialog,
 127                 new LinearLayout(mContext), false);
 128         mPreference.onBindDialogView(view);
 129
 130         assertThat(mPreference.mEditText.getText().toString()).isEqualTo(HOST_NAME);
 131         assertThat(mPreference.mRadioGroup.getCheckedRadioButtonId()).isEqualTo(
 132                 R.id.private_dns_mode_off);
 133     }
 134
 135     @Test
 136     public void testOnCheckedChanged_switchMode_saveButtonHasCorrectState() {
 137         final String[] INVALID_HOST_NAMES = new String[] {
 138                 INVALID_HOST_NAME,
 139                 "2001:db8::53",  // IPv6 string literal
 140                 "192.168.1.1",   // IPv4 string literal
 141         };
 142
 143         for (String invalid : INVALID_HOST_NAMES) {
 144             // Set invalid hostname
 145             mPreference.mEditText.setText(invalid);
 146
 147             mPreference.onCheckedChanged(null, R.id.private_dns_mode_off);
 148             assertThat(mSaveButton.isEnabled()).named("off: " + invalid).isTrue();
 149
 150             mPreference.onCheckedChanged(null, R.id.private_dns_mode_opportunistic);
 151             assertThat(mSaveButton.isEnabled()).named("opportunistic: " + invalid).isTrue();
 152
 153             mPreference.onCheckedChanged(null, R.id.private_dns_mode_provider);
 154             assertThat(mSaveButton.isEnabled()).named("provider: " + invalid).isFalse();
 155         }
 156     }
 157
 158     @Test
 159     public void testOnClick_positiveButtonClicked_saveData() {
 160         // Set the default settings to OFF
 161         final ContentResolver contentResolver = mContext.getContentResolver();
 162         Settings.Global.putString(contentResolver, PRIVATE_DNS_MODE, PRIVATE_DNS_MODE_OFF);
 163
 164         mPreference.mMode = ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 165         mPreference.onClick(null, DialogInterface.BUTTON_POSITIVE);
 166
 167         // Change to OPPORTUNISTIC
 168         assertThat(Settings.Global.getString(contentResolver, PRIVATE_DNS_MODE)).isEqualTo(
 169                 PRIVATE_DNS_MODE_OPPORTUNISTIC);
 170     }
 171
 172     @Test
 173     public void testOnClick_negativeButtonClicked_doNothing() {
 174         // Set the default settings to OFF
 175         final ContentResolver contentResolver = mContext.getContentResolver();
 176         Settings.Global.putString(contentResolver, PRIVATE_DNS_MODE, PRIVATE_DNS_MODE_OFF);
 177
 178         mPreference.mMode = ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 179         mPreference.onClick(null, DialogInterface.BUTTON_NEGATIVE);
 180
 181         // Still equal to OFF
 182         assertThat(Settings.Global.getString(contentResolver,
 183                 Settings.Global.PRIVATE_DNS_MODE)).isEqualTo(
 184                 ConnectivityManager.PRIVATE_DNS_MODE_OFF);
 185     }
 186 }