| /* |
| * Copyright (C) 2019 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.internal.telephony; |
| |
| import static com.android.internal.telephony.TelephonyTestUtils.waitForMs; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyBoolean; |
| import static org.mockito.ArgumentMatchers.anyInt; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.clearInvocations; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.verify; |
| |
| import android.content.Context; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkRequest; |
| import android.net.TelephonyNetworkSpecifier; |
| import android.os.PersistableBundle; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.CellIdentityLte; |
| import android.telephony.NetworkRegistrationInfo; |
| import android.telephony.PhoneCapability; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.test.suitebuilder.annotation.SmallTest; |
| import android.testing.AndroidTestingRunner; |
| import android.testing.TestableLooper; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| |
| @RunWith(AndroidTestingRunner.class) |
| @TestableLooper.RunWithLooper |
| public class CellularNetworkValidatorTest extends TelephonyTest { |
| private CellularNetworkValidator mValidatorUT; |
| private static final PhoneCapability CAPABILITY_WITH_VALIDATION_SUPPORTED = |
| new PhoneCapability(1, 1, 0, null, true); |
| private static final PhoneCapability CAPABILITY_WITHOUT_VALIDATION_SUPPORTED = |
| new PhoneCapability(1, 1, 0, null, false); |
| private final CellIdentityLte mCellIdentityLte1 = new CellIdentityLte(123, 456, 0, 0, 111); |
| private final CellIdentityLte mCellIdentityLte2 = new CellIdentityLte(321, 654, 0, 0, 222); |
| @Mock |
| CellularNetworkValidator.ValidationCallback mCallback; |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(getClass().getSimpleName()); |
| |
| doReturn(CAPABILITY_WITH_VALIDATION_SUPPORTED).when(mPhoneConfigurationManager) |
| .getCurrentPhoneCapability(); |
| mValidatorUT = new CellularNetworkValidator(mContext); |
| doReturn(true).when(mSubscriptionController).isActiveSubId(anyInt()); |
| processAllMessages(); |
| setCacheTtlInCarrierConfig(5000); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| mValidatorUT.stopValidation(); |
| super.tearDown(); |
| } |
| |
| /** |
| * Test that a single phone case results in our phone being active and the RIL called |
| */ |
| @Test |
| @SmallTest |
| public void testValidationSupported() { |
| doReturn(CAPABILITY_WITH_VALIDATION_SUPPORTED).when(mPhoneConfigurationManager) |
| .getCurrentPhoneCapability(); |
| assertTrue(mValidatorUT.isValidationFeatureSupported()); |
| |
| doReturn(CAPABILITY_WITHOUT_VALIDATION_SUPPORTED).when(mPhoneConfigurationManager) |
| .getCurrentPhoneCapability(); |
| assertFalse(mValidatorUT.isValidationFeatureSupported()); |
| } |
| |
| /** |
| * Test that a single phone case results in our phone being active and the RIL called |
| */ |
| @Test |
| @SmallTest |
| public void testValidateSuccess() { |
| int subId = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertValidationResult(subId, true); |
| } |
| |
| @Test |
| @SmallTest |
| public void testValidateTimeout() { |
| int subId = 1; |
| int timeout = 100; |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| |
| // Wait for timeout |
| moveTimeForward(timeout); |
| processAllMessages(); |
| assertValidationResult(subId, false); |
| } |
| |
| @Test |
| @SmallTest |
| public void testValidateFailure() { |
| int subId = 1; |
| int timeout = 100; |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| mValidatorUT.mNetworkCallback.onUnavailable(); |
| assertValidationResult(subId, false); |
| } |
| |
| @Test |
| @SmallTest |
| public void testNetworkAvailableNotValidated() { |
| int subId = 1; |
| int timeout = 100; |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| |
| mValidatorUT.mNetworkCallback.onAvailable(new Network(100)); |
| assertInValidation(subId); |
| |
| // Wait for timeout |
| moveTimeForward(timeout); |
| processAllMessages(); |
| |
| assertValidationResult(subId, false); |
| } |
| |
| @Test |
| @SmallTest |
| public void testSkipRecentlyValidatedNetwork() { |
| int subId = 1; |
| int timeout = 1000; |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| testValidateSuccess(); |
| |
| resetStates(); |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| |
| // As recently validated, onAvailable should trigger switch. |
| mValidatorUT.mNetworkCallback.onAvailable(new Network(100)); |
| assertValidationResult(subId, true); |
| } |
| |
| @Test |
| @SmallTest |
| public void testDoNotSkipIfValidationFailed() { |
| int subId = 1; |
| int timeout = 1000; |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| testValidateFailure(); |
| |
| resetStates(); |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| // Last time validation fialed, onAvailable should NOT trigger switch. |
| mValidatorUT.mNetworkCallback.onAvailable(new Network(100)); |
| assertInValidation(subId); |
| } |
| |
| @Test |
| @SmallTest |
| public void testDoNotSkipIfCacheExpires() { |
| int subId = 1; |
| int timeout = 1000; |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| testValidateSuccess(); |
| |
| // Mark mValidationCacheTtl to only 1 second. |
| setCacheTtlInCarrierConfig(1000); |
| waitForMs(1100); |
| |
| resetStates(); |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| assertInValidation(subId); |
| |
| // Last time validation expired, onAvailable should NOT trigger switch. |
| mValidatorUT.mNetworkCallback.onAvailable(new Network(100)); |
| assertInValidation(subId); |
| } |
| |
| @Test |
| @SmallTest |
| public void testNetworkCachingOfMultipleSub() { |
| int timeout = 1000; |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| |
| assertNetworkRecentlyValidated(1, false); |
| assertNetworkRecentlyValidated(2, false); |
| assertNetworkRecentlyValidated(3, false); |
| // Validate sub 1, 2, and 3. |
| mValidatorUT.validate(1, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertValidationResult(1, true); |
| assertNetworkRecentlyValidated(1, true); |
| assertNetworkRecentlyValidated(2, false); |
| assertNetworkRecentlyValidated(3, false); |
| mValidatorUT.validate(2, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertValidationResult(2, true); |
| mValidatorUT.validate(3, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertValidationResult(3, true); |
| assertNetworkRecentlyValidated(1, true); |
| assertNetworkRecentlyValidated(2, true); |
| assertNetworkRecentlyValidated(3, true); |
| |
| // When re-validating sub 3, onAvailable should trigger validation callback. |
| resetStates(); |
| mValidatorUT.validate(3, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onAvailable(new Network(100)); |
| assertValidationResult(3, true); |
| // Mark sub 2 validation failed. Should clear the network from cache. |
| resetStates(); |
| mValidatorUT.validate(2, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onLost(new Network(100)); |
| assertNetworkRecentlyValidated(2, false); |
| |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| } |
| |
| @Test |
| @SmallTest |
| public void testNetworkCachingOfMultipleNetworks() { |
| int timeout = 1000; |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| |
| // Validate sub 1. |
| assertNetworkRecentlyValidated(1, false); |
| mValidatorUT.validate(1, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertNetworkRecentlyValidated(1, true); |
| |
| // Change reg state to a different network. |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte2) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| |
| // Should NOT skip validation. |
| assertNetworkRecentlyValidated(1, false); |
| } |
| |
| @Test |
| @SmallTest |
| public void testNetworkCachingOverflow() { |
| int timeout = 1000; |
| mNetworkRegistrationInfo = new NetworkRegistrationInfo.Builder() |
| .setAccessNetworkTechnology(TelephonyManager.NETWORK_TYPE_LTE) |
| .setRegistrationState(NetworkRegistrationInfo.REGISTRATION_STATE_HOME) |
| .setCellIdentity(mCellIdentityLte1) |
| .build(); |
| doReturn(mNetworkRegistrationInfo).when(mServiceState).getNetworkRegistrationInfo( |
| anyInt(), anyInt()); |
| |
| for (int subId = 8; subId <= 100; subId++) { |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertNetworkRecentlyValidated(subId, true); |
| } |
| |
| // Last 10 subs are kept in cache. |
| for (int subId = 1; subId <= 90; subId++) { |
| assertNetworkRecentlyValidated(subId, false); |
| } |
| // Last 10 subs are kept in cache. |
| for (int subId = 91; subId <= 100; subId++) { |
| assertNetworkRecentlyValidated(subId, true); |
| } |
| } |
| |
| @Test |
| @SmallTest |
| public void testOnNetworkAvailable() { |
| int subId = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| Network network = new Network(100); |
| mValidatorUT.mNetworkCallback.onAvailable(network); |
| |
| assertInValidation(subId); |
| verify(mCallback).onNetworkAvailable(network, subId); |
| } |
| |
| @Test |
| @SmallTest |
| public void testReleaseRequestAfterValidation_shouldReleaseImmediately() { |
| int subId = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId, timeout, true, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| assertValidationResult(subId, true); |
| } |
| |
| @Test |
| @SmallTest |
| public void testDoNotReleaseRequestAfterValidation_shouldReleaseLater() { |
| int subId = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId, timeout, false, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| verify(mCallback).onValidationDone(true, subId); |
| assertInValidation(subId); |
| moveTimeForward(1000); |
| processAllMessages(); |
| assertValidationResult(subId, true); |
| } |
| |
| @Test |
| @SmallTest |
| public void testDoNotReleaseRequestAfterValidation_validationFails_shouldReleaseImmediately() { |
| int subId = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId, timeout, false, mCallback); |
| mValidatorUT.mNetworkCallback.onLost(new Network(100)); |
| assertValidationResult(subId, false); |
| } |
| |
| @Test |
| @SmallTest |
| public void testDoNotReleaseRequestAfterValidation_timeout_shouldReleaseImmediately() { |
| int subId = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId, timeout, false, mCallback); |
| assertInValidation(subId); |
| moveTimeForward(timeout); |
| processAllMessages(); |
| assertValidationResult(subId, false); |
| } |
| |
| @Test |
| @SmallTest |
| public void testDoNotReleaseRequestAfterValidation_BackToBackRequest() { |
| int subId1 = 1; |
| int timeout = 1000; |
| mValidatorUT.validate(subId1, timeout, false, mCallback); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| verify(mCallback).onValidationDone(true, subId1); |
| assertInValidation(subId1); |
| |
| resetStates(); |
| int subId2 = 2; |
| mValidatorUT.validate(subId2, timeout, false, mCallback); |
| assertInValidation(subId2); |
| mValidatorUT.mNetworkCallback.onCapabilitiesChanged(null, new NetworkCapabilities() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)); |
| verify(mCallback).onValidationDone(true, subId2); |
| assertInValidation(subId2); |
| moveTimeForward(1000); |
| processAllMessages(); |
| assertValidationResult(subId2, true); |
| // No callback should be triggered on subId1 |
| verify(mCallback, never()).onValidationDone(anyBoolean(), eq(subId1)); |
| } |
| |
| private void assertNetworkRecentlyValidated(int subId, boolean shouldBeRecentlyValidated) { |
| // Start validation and send network available callback. |
| resetStates(); |
| mValidatorUT.validate(subId, 1000, true, mCallback); |
| mValidatorUT.mNetworkCallback.onAvailable(new Network(1000)); |
| |
| if (shouldBeRecentlyValidated) { |
| assertValidationResult(subId, true); |
| } else { |
| assertInValidation(subId); |
| } |
| |
| mValidatorUT.stopValidation(); |
| resetStates(); |
| } |
| |
| private void assertValidationResult(int subId, boolean shouldPass) { |
| // Verify that validation is over. |
| verify(mConnectivityManager).unregisterNetworkCallback(eq(mValidatorUT.mNetworkCallback)); |
| assertFalse(mValidatorUT.mHandler.hasMessagesOrCallbacks()); |
| assertFalse(mValidatorUT.isValidating()); |
| assertEquals(SubscriptionManager.INVALID_SUBSCRIPTION_ID, |
| mValidatorUT.getSubIdInValidation()); |
| |
| // Verify result. |
| verify(mCallback).onValidationDone(shouldPass, subId); |
| } |
| |
| private void assertInValidation(int subId) { |
| assertEquals(subId, mValidatorUT.getSubIdInValidation()); |
| assertTrue(mValidatorUT.mHandler.hasMessagesOrCallbacks()); |
| assertEquals(subId, mValidatorUT.getSubIdInValidation()); |
| NetworkRequest expectedRequest = new NetworkRequest.Builder() |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) |
| .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR) |
| .setNetworkSpecifier(new TelephonyNetworkSpecifier.Builder() |
| .setSubscriptionId(subId).build()) |
| .build(); |
| verify(mConnectivityManager).requestNetwork( |
| eq(expectedRequest), eq(mValidatorUT.mNetworkCallback), any()); |
| assertTrue(mValidatorUT.isValidating()); |
| } |
| |
| private void resetStates() { |
| clearInvocations(mConnectivityManager); |
| clearInvocations(mCallback); |
| } |
| |
| private void setCacheTtlInCarrierConfig(long ttl) { |
| // Mark to skip validation in 5 seconds. |
| CarrierConfigManager carrierConfigManager = (CarrierConfigManager) |
| mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| PersistableBundle bundle = carrierConfigManager.getConfigForSubId(anyInt()); |
| bundle.putLong(CarrierConfigManager.KEY_DATA_SWITCH_VALIDATION_MIN_GAP_LONG, ttl); |
| } |
| } |