Add CTS for BatteryStatsManager new API
Bug: 189308158
Test: This test and
run testReportNetworkInterfaceForTransports
with --rerun-until-failure 500
Original-Change: https://android-review.googlesource.com/1722770
Merged-In: I654b8920d6ea1dada782a618776b13870f7f98df
Change-Id: I654b8920d6ea1dada782a618776b13870f7f98df
diff --git a/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java b/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java
new file mode 100644
index 0000000..a54fd64
--- /dev/null
+++ b/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java
@@ -0,0 +1,195 @@
+/*
+ * 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 android.net.cts;
+
+import static android.Manifest.permission.UPDATE_DEVICE_STATS;
+
+import static androidx.test.InstrumentationRegistry.getContext;
+
+import static com.android.compatibility.common.util.SystemUtil.runShellCommand;
+import static com.android.testutils.MiscAsserts.assertThrows;
+import static com.android.testutils.TestPermissionUtil.runAsShell;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.Network;
+import android.net.cts.util.CtsNetUtils;
+import android.os.BatteryStatsManager;
+import android.os.Build;
+import android.os.connectivity.CellularBatteryStats;
+import android.os.connectivity.WifiBatteryStats;
+import android.util.Log;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.SkipPresubmit;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+
+/**
+ * Test for BatteryStatsManager.
+ */
+@RunWith(AndroidJUnit4.class)
+public class BatteryStatsManagerTest{
+ @Rule
+ public final DevSdkIgnoreRule ignoreRule = new DevSdkIgnoreRule();
+ private static final String TAG = BatteryStatsManagerTest.class.getSimpleName();
+ private static final String TEST_URL = "https://connectivitycheck.gstatic.com/generate_204";
+ // This value should be the same as BatteryStatsManager.BATTERY_STATUS_DISCHARGING.
+ // TODO: Use the constant once it's available in all branches
+ private static final int BATTERY_STATUS_DISCHARGING = 3;
+
+ private Context mContext;
+ private BatteryStatsManager mBsm;
+ private ConnectivityManager mCm;
+ private CtsNetUtils mCtsNetUtils;
+
+ @Before
+ public void setUp() throws Exception {
+ mContext = getContext();
+ mBsm = mContext.getSystemService(BatteryStatsManager.class);
+ mCm = mContext.getSystemService(ConnectivityManager.class);
+ mCtsNetUtils = new CtsNetUtils(mContext);
+ }
+
+ @Test
+ @SkipPresubmit(reason = "Virtual hardware does not support wifi battery stats")
+ public void testReportNetworkInterfaceForTransports() throws Exception {
+ try {
+ final Network cellNetwork = mCtsNetUtils.connectToCell();
+ final URL url = new URL(TEST_URL);
+
+ // Make sure wifi is disabled.
+ mCtsNetUtils.ensureWifiDisconnected(null /* wifiNetworkToCheck */);
+ // Simulate the device being unplugged from charging.
+ executeShellCommand("dumpsys battery unplug");
+ executeShellCommand("dumpsys battery set status " + BATTERY_STATUS_DISCHARGING);
+ executeShellCommand("dumpsys batterystats enable pretend-screen-off");
+
+ // Get cellular battery stats
+ CellularBatteryStats cellularStatsBefore = runAsShell(UPDATE_DEVICE_STATS,
+ mBsm::getCellularBatteryStats);
+
+ // Generate traffic on cellular network.
+ generateNetworkTraffic(cellNetwork, url);
+
+ // The mobile battery stats are updated when a network stops being the default network.
+ // ConnectivityService will call BatteryStatsManager.reportMobileRadioPowerState when
+ // removing data activity tracking.
+ final Network wifiNetwork = mCtsNetUtils.ensureWifiConnected();
+
+ // Check cellular battery stats are updated.
+ runAsShell(UPDATE_DEVICE_STATS,
+ () -> assertStatsEventually(mBsm::getCellularBatteryStats,
+ cellularStatsAfter -> cellularBatteryStatsIncreased(
+ cellularStatsBefore, cellularStatsAfter)));
+
+ WifiBatteryStats wifiStatsBefore = runAsShell(UPDATE_DEVICE_STATS,
+ mBsm::getWifiBatteryStats);
+
+ // Generate traffic on wifi network.
+ generateNetworkTraffic(wifiNetwork, url);
+ // Wifi battery stats are updated when wifi on.
+ mCtsNetUtils.toggleWifi();
+
+ // Check wifi battery stats are updated.
+ runAsShell(UPDATE_DEVICE_STATS,
+ () -> assertStatsEventually(mBsm::getWifiBatteryStats,
+ wifiStatsAfter -> wifiBatteryStatsIncreased(wifiStatsBefore,
+ wifiStatsAfter)));
+ } finally {
+ // Reset battery settings.
+ executeShellCommand("dumpsys battery reset");
+ executeShellCommand("dumpsys batterystats disable pretend-screen-off");
+ }
+ }
+
+ @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
+ @Test
+ public void testReportNetworkInterfaceForTransports_throwsSecurityException()
+ throws Exception {
+ Network wifiNetwork = mCtsNetUtils.ensureWifiConnected();
+ final String iface = mCm.getLinkProperties(wifiNetwork).getInterfaceName();
+ final int[] transportType = mCm.getNetworkCapabilities(wifiNetwork).getTransportTypes();
+ assertThrows(SecurityException.class,
+ () -> mBsm.reportNetworkInterfaceForTransports(iface, transportType));
+ }
+
+ private void generateNetworkTraffic(Network network, URL url) throws IOException {
+ HttpURLConnection connection = null;
+ try {
+ connection = (HttpURLConnection) network.openConnection(url);
+ assertEquals(204, connection.getResponseCode());
+ } catch (IOException e) {
+ Log.e(TAG, "Generate traffic failed with exception " + e);
+ } finally {
+ if (connection != null) {
+ connection.disconnect();
+ }
+ }
+ }
+
+ private static <T> void assertStatsEventually(Supplier<T> statsGetter,
+ Predicate<T> statsChecker) throws Exception {
+ // Wait for updating mobile/wifi stats, and check stats every 10ms.
+ final int maxTries = 1000;
+ T result = null;
+ for (int i = 1; i <= maxTries; i++) {
+ result = statsGetter.get();
+ if (statsChecker.test(result)) return;
+ Thread.sleep(10);
+ }
+ final String stats = result instanceof CellularBatteryStats
+ ? "Cellular" : "Wifi";
+ fail(stats + " battery stats did not increase.");
+ }
+
+ private static boolean cellularBatteryStatsIncreased(CellularBatteryStats before,
+ CellularBatteryStats after) {
+ return (after.getNumBytesTx() > before.getNumBytesTx())
+ && (after.getNumBytesRx() > before.getNumBytesRx())
+ && (after.getNumPacketsTx() > before.getNumPacketsTx())
+ && (after.getNumPacketsRx() > before.getNumPacketsRx());
+ }
+
+ private static boolean wifiBatteryStatsIncreased(WifiBatteryStats before,
+ WifiBatteryStats after) {
+ return (after.getNumBytesTx() > before.getNumBytesTx())
+ && (after.getNumBytesRx() > before.getNumBytesRx())
+ && (after.getNumPacketsTx() > before.getNumPacketsTx())
+ && (after.getNumPacketsRx() > before.getNumPacketsRx());
+ }
+
+ private static String executeShellCommand(String command) {
+ final String result = runShellCommand(command).trim();
+ Log.d(TAG, "Output of '" + command + "': '" + result + "'");
+ return result;
+ }
+}
