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.server.connectivity.tethering; 18 19 import static android.net.ConnectivityManager.TYPE_ETHERNET; 20 import static android.net.ConnectivityManager.TYPE_MOBILE; 21 import static android.net.ConnectivityManager.TYPE_MOBILE_DUN; 22 import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI; 23 import static android.net.ConnectivityManager.TYPE_WIFI; 24 import static com.android.server.connectivity.tethering.TetheringConfiguration.DUN_NOT_REQUIRED; 25 import static com.android.server.connectivity.tethering.TetheringConfiguration.DUN_REQUIRED; 26 import static com.android.server.connectivity.tethering.TetheringConfiguration.DUN_UNSPECIFIED; 27 import static org.junit.Assert.assertEquals; 28 import static org.junit.Assert.assertFalse; 29 import static org.junit.Assert.assertTrue; 30 import static org.mockito.Mockito.when; 31 32 import android.content.Context; 33 import android.content.ContextWrapper; 34 import android.content.res.Resources; 35 import android.net.util.SharedLog; 36 import android.support.test.filters.SmallTest; 37 import android.support.test.runner.AndroidJUnit4; 38 import android.telephony.TelephonyManager; 39 40 import com.android.internal.util.test.BroadcastInterceptingContext; 41 42 import java.util.Iterator; 43 44 import org.junit.Before; 45 import org.junit.Test; 46 import org.junit.runner.RunWith; 47 import org.mockito.Mock; 48 import org.mockito.MockitoAnnotations; 49 50 51 @RunWith(AndroidJUnit4.class) 52 @SmallTest 53 public class TetheringConfigurationTest { 54 private final SharedLog mLog = new SharedLog("TetheringConfigurationTest"); 55 @Mock private Context mContext; 56 @Mock private TelephonyManager mTelephonyManager; 57 @Mock private Resources mResources; 58 private Context mMockContext; 59 private boolean mHasTelephonyManager; 60 61 private class MockContext extends BroadcastInterceptingContext { 62 MockContext(Context base) { 63 super(base); 64 } 65 66 @Override 67 public Resources getResources() { return mResources; } 68 69 @Override 70 public Object getSystemService(String name) { 71 if (Context.TELEPHONY_SERVICE.equals(name)) { 72 return mHasTelephonyManager ? mTelephonyManager : null; 73 } 74 return super.getSystemService(name); 75 } 76 } 77 78 @Before 79 public void setUp() throws Exception { 80 MockitoAnnotations.initMocks(this); 81 when(mResources.getStringArray(com.android.internal.R.array.config_tether_dhcp_range)) 82 .thenReturn(new String[0]); 83 when(mResources.getStringArray(com.android.internal.R.array.config_tether_usb_regexs)) 84 .thenReturn(new String[0]); 85 when(mResources.getStringArray(com.android.internal.R.array.config_tether_wifi_regexs)) 86 .thenReturn(new String[]{ "test_wlan\\d" }); 87 when(mResources.getStringArray(com.android.internal.R.array.config_tether_bluetooth_regexs)) 88 .thenReturn(new String[0]); 89 mMockContext = new MockContext(mContext); 90 } 91 92 @Test 93 public void testDunFromTelephonyManagerMeansDun() { 94 when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) 95 .thenReturn(new int[]{TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI}); 96 mHasTelephonyManager = true; 97 when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_REQUIRED); 98 99 final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog); 100 assertTrue(cfg.isDunRequired); 101 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN)); 102 assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE)); 103 assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI)); 104 // Just to prove we haven't clobbered Wi-Fi: 105 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI)); 106 } 107 108 @Test 109 public void testDunNotRequiredFromTelephonyManagerMeansNoDun() { 110 when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) 111 .thenReturn(new int[]{TYPE_MOBILE_DUN, TYPE_WIFI}); 112 mHasTelephonyManager = true; 113 when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_NOT_REQUIRED); 114 115 final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog); 116 assertFalse(cfg.isDunRequired); 117 assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN)); 118 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE)); 119 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI)); 120 // Just to prove we haven't clobbered Wi-Fi: 121 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI)); 122 } 123 124 @Test 125 public void testDunFromUpstreamConfigMeansDun() { 126 when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) 127 .thenReturn(new int[]{TYPE_MOBILE_DUN, TYPE_WIFI}); 128 mHasTelephonyManager = false; 129 when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED); 130 131 final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog); 132 assertTrue(cfg.isDunRequired); 133 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_DUN)); 134 // Just to prove we haven't clobbered Wi-Fi: 135 assertTrue(cfg.preferredUpstreamIfaceTypes.contains(TYPE_WIFI)); 136 // Check that we have not added new cellular interface types 137 assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE)); 138 assertFalse(cfg.preferredUpstreamIfaceTypes.contains(TYPE_MOBILE_HIPRI)); 139 } 140 141 @Test 142 public void testNoDefinedUpstreamTypesAddsEthernet() { 143 when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) 144 .thenReturn(new int[]{}); 145 mHasTelephonyManager = false; 146 when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED); 147 148 final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog); 149 final Iterator<Integer> upstreamIterator = cfg.preferredUpstreamIfaceTypes.iterator(); 150 assertTrue(upstreamIterator.hasNext()); 151 assertEquals(TYPE_ETHERNET, upstreamIterator.next().intValue()); 152 // The following is because the code always adds some kind of mobile 153 // upstream, be it DUN or, in this case where we use DUN_UNSPECIFIED, 154 // both vanilla and hipri mobile types. 155 assertTrue(upstreamIterator.hasNext()); 156 assertEquals(TYPE_MOBILE, upstreamIterator.next().intValue()); 157 assertTrue(upstreamIterator.hasNext()); 158 assertEquals(TYPE_MOBILE_HIPRI, upstreamIterator.next().intValue()); 159 assertFalse(upstreamIterator.hasNext()); 160 } 161 162 @Test 163 public void testDefinedUpstreamTypesSansEthernetAddsEthernet() { 164 when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) 165 .thenReturn(new int[]{TYPE_WIFI, TYPE_MOBILE_HIPRI}); 166 mHasTelephonyManager = false; 167 when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED); 168 169 final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog); 170 final Iterator<Integer> upstreamIterator = cfg.preferredUpstreamIfaceTypes.iterator(); 171 assertTrue(upstreamIterator.hasNext()); 172 assertEquals(TYPE_ETHERNET, upstreamIterator.next().intValue()); 173 assertTrue(upstreamIterator.hasNext()); 174 assertEquals(TYPE_WIFI, upstreamIterator.next().intValue()); 175 assertTrue(upstreamIterator.hasNext()); 176 assertEquals(TYPE_MOBILE_HIPRI, upstreamIterator.next().intValue()); 177 assertFalse(upstreamIterator.hasNext()); 178 } 179 180 @Test 181 public void testDefinedUpstreamTypesWithEthernetDoesNotAddEthernet() { 182 when(mResources.getIntArray(com.android.internal.R.array.config_tether_upstream_types)) 183 .thenReturn(new int[]{TYPE_WIFI, TYPE_ETHERNET, TYPE_MOBILE_HIPRI}); 184 mHasTelephonyManager = false; 185 when(mTelephonyManager.getTetherApnRequired()).thenReturn(DUN_UNSPECIFIED); 186 187 final TetheringConfiguration cfg = new TetheringConfiguration(mMockContext, mLog); 188 final Iterator<Integer> upstreamIterator = cfg.preferredUpstreamIfaceTypes.iterator(); 189 assertTrue(upstreamIterator.hasNext()); 190 assertEquals(TYPE_WIFI, upstreamIterator.next().intValue()); 191 assertTrue(upstreamIterator.hasNext()); 192 assertEquals(TYPE_ETHERNET, upstreamIterator.next().intValue()); 193 assertTrue(upstreamIterator.hasNext()); 194 assertEquals(TYPE_MOBILE_HIPRI, upstreamIterator.next().intValue()); 195 assertFalse(upstreamIterator.hasNext()); 196 } 197 } 198
