/* * Copyright (C) 2021 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.telephony.qns; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotEquals; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; import static org.mockito.Mockito.when; import android.net.NetworkCapabilities; import android.telephony.AccessNetworkConstants; import android.telephony.SignalThresholdInfo; import com.android.telephony.qns.AccessNetworkSelectionPolicy.GuardingPreCondition; import com.android.telephony.qns.AccessNetworkSelectionPolicy.PreCondition; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; import org.mockito.MockitoAnnotations; import java.util.ArrayList; import java.util.List; @RunWith(JUnit4.class) public class AccessNetworkSelectionPolicyTest extends QnsTest { int mNetCapability = NetworkCapabilities.NET_CAPABILITY_IMS; int mTargetTransportType = AccessNetworkConstants.TRANSPORT_TYPE_WWAN; private PreCondition mPreCondition = new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_HOME); List mThresholds = new ArrayList<>(); List mThresholdGroups = new ArrayList<>(); @Before public void setUp() throws Exception { MockitoAnnotations.initMocks(this); super.setUp(); } @Test public void testGetTargetTransportType() { AccessNetworkSelectionPolicy ansp = new AccessNetworkSelectionPolicy( mNetCapability, mTargetTransportType, mPreCondition, mThresholdGroups); assertEquals(mTargetTransportType, ansp.getTargetTransportType()); assertNotEquals(AccessNetworkConstants.TRANSPORT_TYPE_WLAN, ansp.getTargetTransportType()); } @Test public void testSatisfyPrecondition() { AccessNetworkSelectionPolicy ansp = new AccessNetworkSelectionPolicy( mNetCapability, mTargetTransportType, mPreCondition, mThresholdGroups); assertTrue( ansp.satisfyPrecondition( new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_HOME))); assertFalse( ansp.satisfyPrecondition( new PreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_HOME))); assertFalse( ansp.satisfyPrecondition( new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_ROAM))); assertFalse( ansp.satisfyPrecondition( new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.WIFI_ONLY, QnsConstants.COVERAGE_HOME))); assertFalse( ansp.satisfyPrecondition( new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_HOME))); } @Test public void testSatisfiedByThreshold_thresholdGroup() { List ths = new ArrayList<>(); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP, -117, QnsConstants.THRESHOLD_EQUAL_OR_SMALLER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRQ, -13, QnsConstants.THRESHOLD_EQUAL_OR_LARGER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); mThresholdGroups.add(new ThresholdGroup(ths)); when(mMockCellularQm.getCurrentQuality( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP)) .thenReturn(-120); when(mMockCellularQm.getCurrentQuality( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRQ)) .thenReturn(-15) .thenReturn(-10); AccessNetworkSelectionPolicy ansp = new AccessNetworkSelectionPolicy( mNetCapability, mTargetTransportType, mPreCondition, mThresholdGroups); assertFalse( ansp.satisfiedByThreshold( null, null, false, true, AccessNetworkConstants.AccessNetworkType.EUTRAN)); boolean result = ansp.satisfiedByThreshold( mMockWifiQm, mMockCellularQm, false, true, AccessNetworkConstants.AccessNetworkType.EUTRAN); assertFalse(result); result = ansp.satisfiedByThreshold( mMockWifiQm, mMockCellularQm, false, true, AccessNetworkConstants.AccessNetworkType.EUTRAN); assertTrue(result); } @Test public void testFindUnmatchedThresholds() { mTargetTransportType = AccessNetworkConstants.TRANSPORT_TYPE_WLAN; int expected = 3; mThresholdGroups = generateTestThresholdGroups(); when(mMockCellularQm.getCurrentQuality( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP)) .thenReturn(-90); when(mMockCellularQm.getCurrentQuality( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRQ)) .thenReturn(-15); when(mMockCellularQm.getCurrentQuality( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSNR)) .thenReturn(-5); when(mMockWifiQm.getCurrentQuality( AccessNetworkConstants.AccessNetworkType.IWLAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSI)) .thenReturn(-80); AccessNetworkSelectionPolicy ansp = new AccessNetworkSelectionPolicy( mNetCapability, mTargetTransportType, mPreCondition, mThresholdGroups); assertNull(ansp.findUnmatchedThresholds(null, mMockCellularQm)); assertNull(ansp.findUnmatchedThresholds(mMockWifiQm, null)); List unmatched = ansp.findUnmatchedThresholds(mMockWifiQm, mMockCellularQm); assertEquals(expected, unmatched.size()); } private List generateTestThresholdGroups() { List thgroups = new ArrayList<>(); List ths = new ArrayList<>(); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP, -117, QnsConstants.THRESHOLD_EQUAL_OR_SMALLER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSNR, -15, QnsConstants.THRESHOLD_EQUAL_OR_LARGER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.IWLAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSI, -65, QnsConstants.THRESHOLD_EQUAL_OR_LARGER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); thgroups.add(new ThresholdGroup(ths)); ths = new ArrayList<>(); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP, -91, QnsConstants.THRESHOLD_EQUAL_OR_SMALLER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSNR, -1, QnsConstants.THRESHOLD_EQUAL_OR_SMALLER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.IWLAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSI, -85, QnsConstants.THRESHOLD_EQUAL_OR_LARGER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); thgroups.add(new ThresholdGroup(ths)); return thgroups; } @Test public void testGuardingPreconditionSatisfied() { GuardingPreCondition guardingPreCondition = new GuardingPreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_HOME, QnsConstants.GUARDING_WIFI); PreCondition preCondition = new PreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_HOME); assertTrue(guardingPreCondition.satisfied(preCondition)); preCondition = new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_HOME); assertFalse(guardingPreCondition.satisfied(preCondition)); preCondition = new PreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_HOME); assertFalse(guardingPreCondition.satisfied(preCondition)); preCondition = new PreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_ROAM); assertFalse(guardingPreCondition.satisfied(preCondition)); preCondition = new GuardingPreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_HOME, QnsConstants.GUARDING_WIFI); assertTrue(guardingPreCondition.satisfied(preCondition)); preCondition = new GuardingPreCondition( QnsConstants.CALL_TYPE_VOICE, QnsConstants.WIFI_PREF, QnsConstants.COVERAGE_HOME, QnsConstants.GUARDING_CELLULAR); assertFalse(guardingPreCondition.satisfied(preCondition)); } @Test public void testGuardingPreconditionEquals() { GuardingPreCondition guardingPreCondition = new GuardingPreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_ROAM, QnsConstants.GUARDING_CELLULAR); GuardingPreCondition copy = guardingPreCondition; assertEquals(guardingPreCondition, copy); PreCondition preCondition = guardingPreCondition; assertEquals(guardingPreCondition, preCondition); preCondition = new PreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_ROAM); assertNotEquals(guardingPreCondition, preCondition); preCondition = new GuardingPreCondition( QnsConstants.CALL_TYPE_IDLE, QnsConstants.CELL_PREF, QnsConstants.COVERAGE_HOME, QnsConstants.GUARDING_CELLULAR); assertNotEquals(guardingPreCondition, preCondition); } @Test public void testHasWifiThresholdWithoutCellularCondition() { AccessNetworkSelectionPolicy ansp = new AccessNetworkSelectionPolicy( mNetCapability, mTargetTransportType, mPreCondition, null); AccessNetworkSelectionPolicy.PostCondition postCondition = ansp.new PostCondition(null); assertFalse(postCondition.hasWifiThresholdWithoutCellularCondition()); List thgroups = new ArrayList<>(); List ths = new ArrayList<>(); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP, -117, QnsConstants.THRESHOLD_EQUAL_OR_SMALLER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.IWLAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSI, -65, QnsConstants.THRESHOLD_EQUAL_OR_LARGER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); thgroups.add(new ThresholdGroup(ths)); postCondition = ansp.new PostCondition(thgroups); assertFalse(postCondition.hasWifiThresholdWithoutCellularCondition()); thgroups.clear(); ths.clear(); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.IWLAN, SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSI, -65, QnsConstants.THRESHOLD_EQUAL_OR_LARGER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); ths.add( new Threshold( AccessNetworkConstants.AccessNetworkType.EUTRAN, QnsConstants.SIGNAL_MEASUREMENT_AVAILABILITY, QnsConstants.SIGNAL_UNAVAILABLE, QnsConstants.THRESHOLD_EQUAL_OR_SMALLER, QnsConstants.DEFAULT_WIFI_BACKHAUL_TIMER)); thgroups.add(new ThresholdGroup(ths)); postCondition = ansp.new PostCondition(thgroups); assertTrue(postCondition.hasWifiThresholdWithoutCellularCondition()); } @Test public void testSatisfiedWithWifiLowSignalStrength() {} @After public void tearDown() { mThresholds.clear(); mThresholdGroups.clear(); } }