| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.cts.net.hostside; |
| |
| import static android.net.ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED; |
| import static android.net.ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED; |
| import static android.net.ConnectivityManager.RESTRICT_BACKGROUND_STATUS_WHITELISTED; |
| |
| import static com.android.cts.net.hostside.NetworkPolicyTestUtils.setRestrictBackground; |
| import static com.android.cts.net.hostside.Property.DATA_SAVER_MODE; |
| import static com.android.cts.net.hostside.Property.METERED_NETWORK; |
| import static com.android.cts.net.hostside.Property.NO_DATA_SAVER_MODE; |
| |
| import static org.junit.Assert.fail; |
| |
| import com.android.compatibility.common.util.CddTest; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import androidx.test.filters.LargeTest; |
| |
| @RequiredProperties({DATA_SAVER_MODE, METERED_NETWORK}) |
| @LargeTest |
| public class DataSaverModeTest extends AbstractRestrictBackgroundNetworkTestCase { |
| |
| private static final String[] REQUIRED_WHITELISTED_PACKAGES = { |
| "com.android.providers.downloads" |
| }; |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| // Set initial state. |
| setRestrictBackground(false); |
| removeRestrictBackgroundWhitelist(mUid); |
| removeRestrictBackgroundBlacklist(mUid); |
| |
| registerBroadcastReceiver(); |
| assertRestrictBackgroundChangedReceived(0); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| |
| setRestrictBackground(false); |
| } |
| |
| @Test |
| public void testGetRestrictBackgroundStatus_disabled() throws Exception { |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_DISABLED); |
| |
| // Sanity check: make sure status is always disabled, never whitelisted |
| addRestrictBackgroundWhitelist(mUid); |
| assertRestrictBackgroundChangedReceived(0); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_DISABLED); |
| |
| assertsForegroundAlwaysHasNetworkAccess(); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_DISABLED); |
| } |
| |
| @Test |
| public void testGetRestrictBackgroundStatus_whitelisted() throws Exception { |
| setRestrictBackground(true); |
| assertRestrictBackgroundChangedReceived(1); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| |
| addRestrictBackgroundWhitelist(mUid); |
| assertRestrictBackgroundChangedReceived(2); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_WHITELISTED); |
| |
| removeRestrictBackgroundWhitelist(mUid); |
| assertRestrictBackgroundChangedReceived(3); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| |
| assertsForegroundAlwaysHasNetworkAccess(); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| } |
| |
| @Test |
| public void testGetRestrictBackgroundStatus_enabled() throws Exception { |
| setRestrictBackground(true); |
| assertRestrictBackgroundChangedReceived(1); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| |
| assertsForegroundAlwaysHasNetworkAccess(); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| |
| // Make sure foreground app doesn't lose access upon enabling Data Saver. |
| setRestrictBackground(false); |
| launchComponentAndAssertNetworkAccess(TYPE_COMPONENT_ACTIVTIY); |
| setRestrictBackground(true); |
| assertForegroundNetworkAccess(); |
| |
| // Although it should not have access while the screen is off. |
| turnScreenOff(); |
| assertBackgroundNetworkAccess(false); |
| turnScreenOn(); |
| assertForegroundNetworkAccess(); |
| |
| // Goes back to background state. |
| finishActivity(); |
| assertBackgroundNetworkAccess(false); |
| |
| // Make sure foreground service doesn't lose access upon enabling Data Saver. |
| setRestrictBackground(false); |
| launchComponentAndAssertNetworkAccess(TYPE_COMPONENT_FOREGROUND_SERVICE); |
| setRestrictBackground(true); |
| assertForegroundNetworkAccess(); |
| stopForegroundService(); |
| assertBackgroundNetworkAccess(false); |
| } |
| |
| @Test |
| public void testGetRestrictBackgroundStatus_blacklisted() throws Exception { |
| addRestrictBackgroundBlacklist(mUid); |
| assertRestrictBackgroundChangedReceived(1); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| |
| assertsForegroundAlwaysHasNetworkAccess(); |
| assertRestrictBackgroundChangedReceived(1); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| |
| // UID policies live by the Highlander rule: "There can be only one". |
| // Hence, if app is whitelisted, it should not be blacklisted anymore. |
| setRestrictBackground(true); |
| assertRestrictBackgroundChangedReceived(2); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| addRestrictBackgroundWhitelist(mUid); |
| assertRestrictBackgroundChangedReceived(3); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_WHITELISTED); |
| |
| // Check status after removing blacklist. |
| // ...re-enables first |
| addRestrictBackgroundBlacklist(mUid); |
| assertRestrictBackgroundChangedReceived(4); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| assertsForegroundAlwaysHasNetworkAccess(); |
| // ... remove blacklist - access's still rejected because Data Saver is on |
| removeRestrictBackgroundBlacklist(mUid); |
| assertRestrictBackgroundChangedReceived(4); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_ENABLED); |
| assertsForegroundAlwaysHasNetworkAccess(); |
| // ... finally, disable Data Saver |
| setRestrictBackground(false); |
| assertRestrictBackgroundChangedReceived(5); |
| assertDataSaverStatusOnBackground(RESTRICT_BACKGROUND_STATUS_DISABLED); |
| assertsForegroundAlwaysHasNetworkAccess(); |
| } |
| |
| @Test |
| public void testGetRestrictBackgroundStatus_requiredWhitelistedPackages() throws Exception { |
| final StringBuilder error = new StringBuilder(); |
| for (String packageName : REQUIRED_WHITELISTED_PACKAGES) { |
| int uid = -1; |
| try { |
| uid = getUid(packageName); |
| assertRestrictBackgroundWhitelist(uid, true); |
| } catch (Throwable t) { |
| error.append("\nFailed for '").append(packageName).append("'"); |
| if (uid > 0) { |
| error.append(" (uid ").append(uid).append(")"); |
| } |
| error.append(": ").append(t).append("\n"); |
| } |
| } |
| if (error.length() > 0) { |
| fail(error.toString()); |
| } |
| } |
| |
| @RequiredProperties({NO_DATA_SAVER_MODE}) |
| @CddTest(requirement="7.4.7/C-2-2") |
| @Test |
| public void testBroadcastNotSentOnUnsupportedDevices() throws Exception { |
| setRestrictBackground(true); |
| assertRestrictBackgroundChangedReceived(0); |
| |
| setRestrictBackground(false); |
| assertRestrictBackgroundChangedReceived(0); |
| |
| setRestrictBackground(true); |
| assertRestrictBackgroundChangedReceived(0); |
| } |
| |
| private void assertDataSaverStatusOnBackground(int expectedStatus) throws Exception { |
| assertRestrictBackgroundStatus(expectedStatus); |
| assertBackgroundNetworkAccess(expectedStatus != RESTRICT_BACKGROUND_STATUS_ENABLED); |
| } |
| } |