DeviceStateMonitor and unit test polish am: d64552813e am: 7f14cc6afa (f418e9f6) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/DeviceStateMonitor.java

+10 −5

Original line number	Diff line number	Diff line
		@@ -76,9 +76,6 @@ public class DeviceStateMonitor extends Handler {
		static final int EVENT_WIFI_CONNECTION_CHANGED = 7;
		static final int EVENT_UPDATE_ALWAYS_REPORT_SIGNAL_STRENGTH = 8;

		// TODO(b/74006656) load hysteresis values from a property when DeviceStateMonitor starts
		private static final int HYSTERESIS_KBPS = 50;

		private static final int WIFI_UNAVAILABLE = 0;
		private static final int WIFI_AVAILABLE = 1;

		@@ -258,8 +255,14 @@ public class DeviceStateMonitor extends Handler {
		mIsTetheringOn = false;
		mIsLowDataExpected = false;

		log("DeviceStateMonitor mIsPowerSaveOn=" + mIsPowerSaveOn + ",mIsScreenOn="
		+ mIsScreenOn + ",mIsCharging=" + mIsCharging, false);
		log("DeviceStateMonitor mIsTetheringOn=" + mIsTetheringOn
		+ ", mIsScreenOn=" + mIsScreenOn
		+ ", mIsCharging=" + mIsCharging
		+ ", mIsPowerSaveOn=" + mIsPowerSaveOn
		+ ", mIsLowDataExpected=" + mIsLowDataExpected
		+ ", mIsWifiConnected=" + mIsWifiConnected
		+ ", mIsAlwaysSignalStrengthReportingEnabled="
		+ mIsAlwaysSignalStrengthReportingEnabled, false);

		final IntentFilter filter = new IntentFilter();
		filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);
		@@ -680,6 +683,8 @@ public class DeviceStateMonitor extends Handler {
		ipw.println("mIsLowDataExpected=" + mIsLowDataExpected);
		ipw.println("mUnsolicitedResponseFilter=" + mUnsolicitedResponseFilter);
		ipw.println("mIsWifiConnected=" + mIsWifiConnected);
		ipw.println("mIsAlwaysSignalStrengthReportingEnabled="
		+ mIsAlwaysSignalStrengthReportingEnabled);
		ipw.println("Local logs:");
		ipw.increaseIndent();
		mLocalLog.dump(fd, ipw, args);

tests/telephonytests/src/com/android/internal/telephony/DeviceStateMonitorTest.java

+222 −39

Original line number	Diff line number	Diff line
		@@ -17,16 +17,23 @@ package com.android.internal.telephony;

		import static android.hardware.radio.V1_0.DeviceStateType.CHARGING_STATE;
		import static android.hardware.radio.V1_0.DeviceStateType.LOW_DATA_EXPECTED;
		import static android.hardware.radio.V1_0.DeviceStateType.POWER_SAVE_MODE;

		import static org.junit.Assert.assertEquals;
		import static org.junit.Assert.assertTrue;
		import static org.mockito.Matchers.anyBoolean;
		import static org.mockito.Matchers.anyInt;
		import static org.mockito.Matchers.eq;
		import static org.mockito.Matchers.nullable;
		import static org.mockito.Mockito.times;
		import static org.mockito.Mockito.never;
		import static org.mockito.Mockito.reset;
		import static org.mockito.Mockito.verify;

		import static java.util.Arrays.asList;

		import android.annotation.IntDef;
		import android.content.Intent;
		import android.hardware.radio.V1_2.IndicationFilter;
		import android.net.ConnectivityManager;
		import android.os.BatteryManager;
		import android.os.Message;
		@@ -34,26 +41,125 @@ import android.test.suitebuilder.annotation.MediumTest;
		import android.testing.AndroidTestingRunner;
		import android.testing.TestableLooper;

		import androidx.test.filters.FlakyTest;

		import org.junit.After;
		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.mockito.ArgumentCaptor;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.ArrayList;
		import java.util.Map;

		@RunWith(AndroidTestingRunner.class)
		@TestableLooper.RunWithLooper
		public class DeviceStateMonitorTest extends TelephonyTest {
		// No indication filter set
		private static final int INDICATION_FILTERS_NONE = 0;

		// All implemented indiation filters set so far
		// which is a subset of IndicationFilter.ALL
		private static final int INDICATION_FILTERS_ALL =
		IndicationFilter.SIGNAL_STRENGTH
		\| IndicationFilter.FULL_NETWORK_STATE
		\| IndicationFilter.DATA_CALL_DORMANCY_CHANGED
		\| IndicationFilter.LINK_CAPACITY_ESTIMATE
		\| IndicationFilter.PHYSICAL_CHANNEL_CONFIG;

		// INDICATION_FILTERS_ALL but excludes Indication.SIGNAL_STRENGTH
		private static final int INDICATION_FILTERS_WHEN_TETHERING_ON =
		INDICATION_FILTERS_ALL & ~IndicationFilter.SIGNAL_STRENGTH;
		private static final int INDICATION_FILTERS_WHEN_CHARGING = INDICATION_FILTERS_ALL;
		private static final int INDICATION_FILTERS_WHEN_SCREEN_ON = INDICATION_FILTERS_ALL;

		/** @hide */
		@IntDef(prefix = {"STATE_TYPE_"}, value = {
		STATE_TYPE_RIL_CONNECTED,
		STATE_TYPE_SCREEN,
		STATE_TYPE_POWER_SAVE_MODE,
		STATE_TYPE_CHARGING,
		STATE_TYPE_TETHERING,
		STATE_TYPE_RADIO_AVAILABLE,
		STATE_TYPE_WIFI_CONNECTED,
		STATE_TYPE_ALWAYS_SIGNAL_STRENGTH_REPORTED,
		})
		@Retention(RetentionPolicy.SOURCE)
		private @interface StateType {}

		// Keep the same value as correspoinding event
		// See state2Event() for detail
		private static final int STATE_TYPE_RIL_CONNECTED = 0;
		// EVENT_UPDATE_NODE_CHANGED is not here, it will be removed in aosp soon
		private static final int STATE_TYPE_SCREEN = 2;
		private static final int STATE_TYPE_POWER_SAVE_MODE = 3;
		private static final int STATE_TYPE_CHARGING = 4;
		private static final int STATE_TYPE_TETHERING = 5;
		private static final int STATE_TYPE_RADIO_AVAILABLE = 6;
		private static final int STATE_TYPE_WIFI_CONNECTED = 7;
		private static final int STATE_TYPE_ALWAYS_SIGNAL_STRENGTH_REPORTED = 8;

		/** @hide */
		@IntDef(prefix = {"STATE_"}, value = {
		STATE_OFF,
		STATE_ON
		})
		@Retention(RetentionPolicy.SOURCE)
		private @interface StateStatus {}

		private static final int STATE_OFF = 0;
		private static final int STATE_ON = 1;

		// The keys are the single IndicationFilter flags,
		// The values are the array of states, when one state turn on, the corresponding
		// IndicationFilter flag should NOT be turned off.
		private static final Map<Integer, int[]> INDICATION_FILTER_2_TRIGGERS = Map.of(
		IndicationFilter.SIGNAL_STRENGTH, new int[] {
		STATE_TYPE_ALWAYS_SIGNAL_STRENGTH_REPORTED, STATE_TYPE_CHARGING, STATE_TYPE_SCREEN},
		IndicationFilter.FULL_NETWORK_STATE, new int[] {
		STATE_TYPE_CHARGING, STATE_TYPE_SCREEN, STATE_TYPE_TETHERING},
		IndicationFilter.DATA_CALL_DORMANCY_CHANGED, new int[] {
		STATE_TYPE_CHARGING, STATE_TYPE_SCREEN, STATE_TYPE_TETHERING},
		IndicationFilter.LINK_CAPACITY_ESTIMATE, new int[] {
		STATE_TYPE_CHARGING, STATE_TYPE_SCREEN, STATE_TYPE_TETHERING},
		IndicationFilter.PHYSICAL_CHANNEL_CONFIG, new int[] {
		STATE_TYPE_CHARGING, STATE_TYPE_SCREEN, STATE_TYPE_TETHERING}
		);

		private DeviceStateMonitor mDSM;
		// Given a stateType, return the event type that can change the state
		private int state2Event(@StateType int stateType) {
		// As long as we keep the same value, we can directly return the stateType
		return stateType;
		}

		private void updateState(@StateType int stateType, @StateStatus int stateValue) {
		final int event = state2Event(stateType);
		mDSM.obtainMessage(event, stateValue, 0 /* arg2, not used*/).sendToTarget();
		processAllMessages();
		}

		private void updateAllStatesToOff() {
		updateState(STATE_TYPE_RIL_CONNECTED, STATE_OFF);
		updateState(STATE_TYPE_SCREEN, STATE_OFF);
		updateState(STATE_TYPE_POWER_SAVE_MODE, STATE_OFF);
		updateState(STATE_TYPE_CHARGING, STATE_OFF);
		updateState(STATE_TYPE_TETHERING, STATE_OFF);
		updateState(STATE_TYPE_RADIO_AVAILABLE, STATE_OFF);
		updateState(STATE_TYPE_WIFI_CONNECTED, STATE_OFF);
		updateState(STATE_TYPE_ALWAYS_SIGNAL_STRENGTH_REPORTED, STATE_OFF);
		}

		@Before
		public void setUp() throws Exception {
		super.setUp(getClass().getSimpleName());
		mDSM = new DeviceStateMonitor(mPhone);
		processAllMessages();

		// Initialize with ALL states off
		updateAllStatesToOff();

		// eliminate the accumuted impact on Mockito.verify()
		reset(mSimulatedCommandsVerifier);
		}

		@After
		@@ -62,7 +168,76 @@ public class DeviceStateMonitorTest extends TelephonyTest {
		super.tearDown();
		}

		@Test @FlakyTest
		/**
		* Verify the behavior of CI.setUnsolResponseFilter().
		* Keeping other state unchanged, when one state change. setUnsolResponseFilter()
		* should be called with right IndicationFilter flag set.
		*/
		@Test @MediumTest
		public void testSetUnsolResponseFilter_singleStateChange() {
		for (int indicationFilter : INDICATION_FILTER_2_TRIGGERS.keySet()) {
		for (int state : INDICATION_FILTER_2_TRIGGERS.get(indicationFilter)) {
		verifySetUnsolResponseFilter(state, indicationFilter);
		}
		}
		}

		private void verifySetUnsolResponseFilter(int state, int indicationFilter) {
		reset(mSimulatedCommandsVerifier);
		// In the beginning, all states are off

		// Turn on the state
		updateState(state, STATE_ON);

		// Keep other states off, then specified indication filter should NOT be turn off
		ArgumentCaptor<Integer> acIndicationFilter = ArgumentCaptor.forClass(Integer.class);
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		acIndicationFilter.capture(), nullable(Message.class));
		assertTrue((acIndicationFilter.getValue() & indicationFilter) != 0);

		// Turn off the state again
		updateState(state, STATE_OFF);

		// Keep other states off, then no filter flag is on
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_NONE), nullable(Message.class));
		}

		@Test
		public void testSetUnsolResponseFilter_noReduandantCall() {
		// initially all state off, turn screen on
		updateState(STATE_TYPE_SCREEN, STATE_ON);
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(anyInt(),
		nullable(Message.class));
		reset(mSimulatedCommandsVerifier);

		updateState(STATE_TYPE_CHARGING, STATE_ON);
		verify(mSimulatedCommandsVerifier, never()).setUnsolResponseFilter(anyInt(),
		nullable(Message.class));

		updateState(STATE_TYPE_POWER_SAVE_MODE, STATE_ON);
		verify(mSimulatedCommandsVerifier, never()).setUnsolResponseFilter(anyInt(),
		nullable(Message.class));
		}

		@Test
		public void testScreenOnOff() {
		// screen was off by default, turn it on now
		updateState(STATE_TYPE_SCREEN, STATE_ON);
		processAllMessages();

		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_WHEN_SCREEN_ON), nullable(Message.class));

		// turn screen off
		updateState(STATE_TYPE_SCREEN, STATE_OFF);
		processAllMessages();

		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_NONE), nullable(Message.class));
		}

		@Test
		public void testTethering() {
		// Turn tethering on
		Intent intent = new Intent(ConnectivityManager.ACTION_TETHER_STATE_CHANGED);
		@@ -70,8 +245,8 @@ public class DeviceStateMonitorTest extends TelephonyTest {
		mContext.sendBroadcast(intent);
		processAllMessages();

		verify(mSimulatedCommandsVerifier, times(1)).setUnsolResponseFilter(eq(6),
		nullable(Message.class));
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_WHEN_TETHERING_ON), nullable(Message.class));

		// Turn tethering off
		intent = new Intent(ConnectivityManager.ACTION_TETHER_STATE_CHANGED);
		@@ -79,21 +254,23 @@ public class DeviceStateMonitorTest extends TelephonyTest {
		mContext.sendBroadcast(intent);
		processAllMessages();

		verify(mSimulatedCommandsVerifier, times(1)).setUnsolResponseFilter(eq(0),
		nullable(Message.class));
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_NONE), nullable(Message.class));

		verify(mSimulatedCommandsVerifier, times(1)).sendDeviceState(eq(LOW_DATA_EXPECTED),
		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(LOW_DATA_EXPECTED),
		eq(true), nullable(Message.class));
		}

		@Test @FlakyTest
		@Test
		public void testCharging() {
		// Charging
		Intent intent = new Intent(BatteryManager.ACTION_CHARGING);
		mContext.sendBroadcast(intent);
		processAllMessages();

		verify(mSimulatedCommandsVerifier, times(1)).sendDeviceState(eq(CHARGING_STATE),
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_WHEN_CHARGING), nullable(Message.class));
		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(CHARGING_STATE),
		eq(true), nullable(Message.class));

		// Not charging
		@@ -101,55 +278,61 @@ public class DeviceStateMonitorTest extends TelephonyTest {
		mContext.sendBroadcast(intent);
		processAllMessages();

		verify(mSimulatedCommandsVerifier, times(1)).setUnsolResponseFilter(eq(0),
		nullable(Message.class));

		verify(mSimulatedCommandsVerifier, times(1)).sendDeviceState(eq(LOW_DATA_EXPECTED),
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(
		eq(INDICATION_FILTERS_NONE), nullable(Message.class));
		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(LOW_DATA_EXPECTED),
		eq(true), nullable(Message.class));

		verify(mSimulatedCommandsVerifier, times(1)).sendDeviceState(eq(CHARGING_STATE),
		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(CHARGING_STATE),
		eq(false), nullable(Message.class));
		}

		@Test @FlakyTest
		@Test
		public void testReset() {
		mDSM.obtainMessage(6).sendToTarget();

		verify(mSimulatedCommandsVerifier, times(1)).setUnsolResponseFilter(eq(-1),
		nullable(Message.class));
		testResetFromEvent(DeviceStateMonitor.EVENT_RIL_CONNECTED);
		testResetFromEvent(DeviceStateMonitor.EVENT_RADIO_AVAILABLE);
		}

		private void sendStates(int screenState, int chargingState, int wifiState) {
		mDSM.obtainMessage(
		DeviceStateMonitor.EVENT_SCREEN_STATE_CHANGED, screenState, 0).sendToTarget();
		mDSM.obtainMessage(
		DeviceStateMonitor.EVENT_CHARGING_STATE_CHANGED, chargingState, 0).sendToTarget();
		mDSM.obtainMessage(
		DeviceStateMonitor.EVENT_WIFI_CONNECTION_CHANGED, wifiState, 0).sendToTarget();
		private void testResetFromEvent(int event) {
		reset(mSimulatedCommandsVerifier);
		mDSM.obtainMessage(event).sendToTarget();
		processAllMessages();

		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(CHARGING_STATE),
		anyBoolean(), nullable(Message.class));
		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(LOW_DATA_EXPECTED),
		anyBoolean(), nullable(Message.class));
		verify(mSimulatedCommandsVerifier).sendDeviceState(eq(POWER_SAVE_MODE),
		anyBoolean(), nullable(Message.class));
		verify(mSimulatedCommandsVerifier).setUnsolResponseFilter(anyInt(),
		nullable(Message.class));
		}

		@Test
		@MediumTest
		public void testWifi() {
		// screen off
		sendStates(0, 0, 0);
		public void testComputeCellInfoMinInternal() {
		// by default, screen is off, charging is off and wifi is off
		assertEquals(
		DeviceStateMonitor.CELL_INFO_INTERVAL_LONG_MS, mDSM.computeCellInfoMinInterval());
		// screen off, but charging
		sendStates(0, 1, 0);

		// keep screen off, but turn charging on
		updateState(STATE_TYPE_CHARGING, STATE_ON);
		assertEquals(
		DeviceStateMonitor.CELL_INFO_INTERVAL_LONG_MS, mDSM.computeCellInfoMinInterval());
		// screen on, no wifi
		sendStates(1, 0, 0);

		// turn screen on, turn charging off and keep wifi off
		updateState(STATE_TYPE_SCREEN, STATE_ON);
		updateState(STATE_TYPE_CHARGING, STATE_OFF);
		assertEquals(
		DeviceStateMonitor.CELL_INFO_INTERVAL_SHORT_MS, mDSM.computeCellInfoMinInterval());

		// screen on, but on wifi
		sendStates(1, 0, 1);
		updateState(STATE_TYPE_WIFI_CONNECTED, STATE_ON);
		assertEquals(
		DeviceStateMonitor.CELL_INFO_INTERVAL_LONG_MS, mDSM.computeCellInfoMinInterval());

		// screen on, charging
		sendStates(1, 1, 0);
		updateState(STATE_TYPE_WIFI_CONNECTED, STATE_OFF);
		updateState(STATE_TYPE_CHARGING, STATE_OFF);
		assertEquals(
		DeviceStateMonitor.CELL_INFO_INTERVAL_SHORT_MS, mDSM.computeCellInfoMinInterval());
		}