| /* |
| * Copyright 2017 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.server.display; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ParceledListSlice; |
| import android.database.ContentObserver; |
| import android.hardware.SensorEvent; |
| import android.hardware.SensorEventListener; |
| import android.hardware.display.AmbientBrightnessDayStats; |
| import android.hardware.display.BrightnessChangeEvent; |
| import android.hardware.display.DisplayManager; |
| import android.hardware.display.DisplayedContentSample; |
| import android.hardware.display.DisplayedContentSamplingAttributes; |
| import android.os.BatteryManager; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.MessageQueue; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.util.AtomicFile; |
| import android.view.Display; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.R; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.Constructor; |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class BrightnessTrackerTest { |
| private static final float DEFAULT_INITIAL_BRIGHTNESS = 2.5f; |
| private static final float FLOAT_DELTA = 0.01f; |
| |
| private BrightnessTracker mTracker; |
| private TestInjector mInjector; |
| |
| private static Object sHandlerLock = new Object(); |
| private static Handler sHandler; |
| private static HandlerThread sThread = |
| new HandlerThread("brightness.test", android.os.Process.THREAD_PRIORITY_BACKGROUND); |
| |
| private int mDefaultNightModeColorTemperature; |
| |
| private static Handler ensureHandler() { |
| synchronized (sHandlerLock) { |
| if (sHandler == null) { |
| sThread.start(); |
| sHandler = new Handler(sThread.getLooper()); |
| } |
| return sHandler; |
| } |
| } |
| |
| |
| @Before |
| public void setUp() throws Exception { |
| mInjector = new TestInjector(ensureHandler()); |
| |
| mTracker = new BrightnessTracker(InstrumentationRegistry.getContext(), mInjector); |
| mDefaultNightModeColorTemperature = |
| InstrumentationRegistry.getContext().getResources().getInteger( |
| R.integer.config_nightDisplayColorTemperatureDefault); |
| } |
| |
| @Test |
| public void testStartStopTrackerScreenOnOff() { |
| mInjector.mInteractive = false; |
| startTracker(mTracker); |
| assertNull(mInjector.mSensorListener); |
| assertNotNull(mInjector.mBroadcastReceiver); |
| assertTrue(mInjector.mIdleScheduled); |
| mInjector.sendScreenChange(/*screen on */ true); |
| assertNotNull(mInjector.mSensorListener); |
| assertEquals(BrightnessTracker.ENABLE_COLOR_SAMPLING, mInjector.mColorSamplingEnabled); |
| |
| mInjector.sendScreenChange(/*screen on */ false); |
| assertNull(mInjector.mSensorListener); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| |
| // Turn screen on while brightness mode is manual |
| mInjector.setBrightnessMode(/* isBrightnessModeAutomatic */ false); |
| mInjector.sendScreenChange(/*screen on */ true); |
| assertNull(mInjector.mSensorListener); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| |
| // Set brightness mode to automatic while screen is off. |
| mInjector.sendScreenChange(/*screen on */ false); |
| mInjector.setBrightnessMode(/* isBrightnessModeAutomatic */ true); |
| assertNull(mInjector.mSensorListener); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| |
| // Turn on screen while brightness mode is automatic. |
| mInjector.sendScreenChange(/*screen on */ true); |
| assertNotNull(mInjector.mSensorListener); |
| assertEquals(BrightnessTracker.ENABLE_COLOR_SAMPLING, mInjector.mColorSamplingEnabled); |
| |
| mTracker.stop(); |
| assertNull(mInjector.mSensorListener); |
| assertNull(mInjector.mBroadcastReceiver); |
| assertFalse(mInjector.mIdleScheduled); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| } |
| |
| @Test |
| public void testNoColorSampling_WrongPixelFormat() { |
| mInjector.mDefaultSamplingAttributes = |
| new DisplayedContentSamplingAttributes( |
| 0x23, |
| mInjector.mDefaultSamplingAttributes.getDataspace(), |
| mInjector.mDefaultSamplingAttributes.getComponentMask()); |
| startTracker(mTracker); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| } |
| |
| @Test |
| public void testNoColorSampling_MissingComponent() { |
| mInjector.mDefaultSamplingAttributes = |
| new DisplayedContentSamplingAttributes( |
| mInjector.mDefaultSamplingAttributes.getPixelFormat(), |
| mInjector.mDefaultSamplingAttributes.getDataspace(), |
| 0x2); |
| startTracker(mTracker); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| } |
| |
| @Test |
| public void testNoColorSampling_NoSupport() { |
| mInjector.mDefaultSamplingAttributes = null; |
| startTracker(mTracker); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| } |
| |
| @Test |
| public void testColorSampling_FrameRateChange() { |
| if (!BrightnessTracker.ENABLE_COLOR_SAMPLING) { |
| return; |
| } |
| startTracker(mTracker); |
| assertTrue(mInjector.mColorSamplingEnabled); |
| assertNotNull(mInjector.mDisplayListener); |
| int noFramesSampled = mInjector.mNoColorSamplingFrames; |
| mInjector.mFrameRate = 120.0f; |
| // Wrong display |
| mInjector.mDisplayListener.onDisplayChanged(Display.DEFAULT_DISPLAY + 10); |
| assertEquals(noFramesSampled, mInjector.mNoColorSamplingFrames); |
| // Correct display |
| mInjector.mDisplayListener.onDisplayChanged(Display.DEFAULT_DISPLAY); |
| assertEquals(noFramesSampled * 2, mInjector.mNoColorSamplingFrames); |
| } |
| |
| @Test |
| public void testAdaptiveOnOff() { |
| mInjector.mInteractive = true; |
| mInjector.mIsBrightnessModeAutomatic = false; |
| startTracker(mTracker); |
| assertNull(mInjector.mSensorListener); |
| assertNotNull(mInjector.mBroadcastReceiver); |
| assertNotNull(mInjector.mContentObserver); |
| assertTrue(mInjector.mIdleScheduled); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| |
| mInjector.setBrightnessMode(/*isBrightnessModeAutomatic*/ true); |
| assertNotNull(mInjector.mSensorListener); |
| assertEquals(BrightnessTracker.ENABLE_COLOR_SAMPLING, mInjector.mColorSamplingEnabled); |
| if (BrightnessTracker.ENABLE_COLOR_SAMPLING) { |
| assertNotNull(mInjector.mDisplayListener); |
| } |
| |
| SensorEventListener listener = mInjector.mSensorListener; |
| DisplayManager.DisplayListener displayListener = mInjector.mDisplayListener; |
| mInjector.mSensorListener = null; |
| mInjector.mColorSamplingEnabled = false; |
| mInjector.mDisplayListener = null; |
| // Duplicate notification |
| mInjector.setBrightnessMode(/*isBrightnessModeAutomatic*/ true); |
| // Sensor shouldn't have been registered as it was already registered. |
| assertNull(mInjector.mSensorListener); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| mInjector.mSensorListener = listener; |
| if (BrightnessTracker.ENABLE_COLOR_SAMPLING) { |
| mInjector.mDisplayListener = displayListener; |
| mInjector.mColorSamplingEnabled = true; |
| } |
| |
| mInjector.setBrightnessMode(/*isBrightnessModeAutomatic*/ false); |
| assertNull(mInjector.mSensorListener); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| |
| mTracker.stop(); |
| assertNull(mInjector.mSensorListener); |
| assertNull(mInjector.mBroadcastReceiver); |
| assertNull(mInjector.mContentObserver); |
| assertFalse(mInjector.mIdleScheduled); |
| assertFalse(mInjector.mColorSamplingEnabled); |
| assertNull(mInjector.mDisplayListener); |
| } |
| |
| @Test |
| public void testBrightnessEvent() { |
| final int brightness = 20; |
| |
| startTracker(mTracker); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2)); |
| notifyBrightnessChanged(mTracker, brightness); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(mInjector.currentTimeMillis(), event.timeStamp); |
| assertEquals(1, event.luxValues.length); |
| assertEquals(1.0f, event.luxValues[0], FLOAT_DELTA); |
| assertEquals(mInjector.currentTimeMillis() - TimeUnit.SECONDS.toMillis(2), |
| event.luxTimestamps[0]); |
| assertEquals(brightness, event.brightness, FLOAT_DELTA); |
| assertEquals(DEFAULT_INITIAL_BRIGHTNESS, event.lastBrightness, FLOAT_DELTA); |
| |
| // System had no data so these should all be at defaults. |
| assertEquals(Float.NaN, event.batteryLevel, 0.0); |
| assertFalse(event.nightMode); |
| assertEquals(mDefaultNightModeColorTemperature, event.colorTemperature); |
| } |
| |
| @Test |
| public void testBrightnessFullPopulatedEvent() { |
| final int initialBrightness = 230; |
| final int brightness = 130; |
| |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, 1); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, 3333); |
| |
| startTracker(mTracker, initialBrightness); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| batteryChangeEvent(30, 60)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1000.0f)); |
| final long sensorTime = mInjector.currentTimeMillis(); |
| notifyBrightnessChanged(mTracker, brightness); |
| List<BrightnessChangeEvent> eventsNoPackage |
| = mTracker.getEvents(0, false).getList(); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(event.timeStamp, mInjector.currentTimeMillis()); |
| assertArrayEquals(new float[] {1000.0f}, event.luxValues, 0.01f); |
| assertArrayEquals(new long[] {sensorTime}, event.luxTimestamps); |
| assertEquals(brightness, event.brightness, FLOAT_DELTA); |
| assertEquals(initialBrightness, event.lastBrightness, FLOAT_DELTA); |
| assertEquals(0.5, event.batteryLevel, FLOAT_DELTA); |
| assertTrue(event.nightMode); |
| assertEquals(3333, event.colorTemperature); |
| assertEquals("a.package", event.packageName); |
| assertEquals(0, event.userId); |
| if (BrightnessTracker.ENABLE_COLOR_SAMPLING) { |
| assertArrayEquals(new long[]{1, 10, 100, 1000, 300, 30, 10, 1}, |
| event.colorValueBuckets); |
| assertEquals(10000, event.colorSampleDuration); |
| } |
| |
| assertEquals(1, eventsNoPackage.size()); |
| assertNull(eventsNoPackage.get(0).packageName); |
| } |
| |
| @Test |
| public void testIgnoreAutomaticBrightnessChange() { |
| final int initialBrightness = 30; |
| startTracker(mTracker, initialBrightness); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(1)); |
| |
| final int systemUpdatedBrightness = 20; |
| notifyBrightnessChanged(mTracker, systemUpdatedBrightness, false /*userInitiated*/, |
| 0.5f /*powerBrightnessFactor(*/, false /*isUserSetBrightness*/, |
| false /*isDefaultBrightnessConfig*/); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| // No events because we filtered out our change. |
| assertEquals(0, events.size()); |
| |
| final int firstUserUpdateBrightness = 20; |
| // Then change comes from somewhere else so we shouldn't filter. |
| notifyBrightnessChanged(mTracker, firstUserUpdateBrightness); |
| |
| // and with a different brightness value. |
| final int secondUserUpdateBrightness = 34; |
| notifyBrightnessChanged(mTracker, secondUserUpdateBrightness); |
| events = mTracker.getEvents(0, true).getList(); |
| |
| assertEquals(2, events.size()); |
| // First event is change from system update (20) to first user update (20) |
| assertEquals(systemUpdatedBrightness, events.get(0).lastBrightness, FLOAT_DELTA); |
| assertEquals(firstUserUpdateBrightness, events.get(0).brightness, FLOAT_DELTA); |
| // Second event is from first to second user update. |
| assertEquals(firstUserUpdateBrightness, events.get(1).lastBrightness, FLOAT_DELTA); |
| assertEquals(secondUserUpdateBrightness, events.get(1).brightness, FLOAT_DELTA); |
| |
| mTracker.stop(); |
| } |
| |
| @Test |
| public void testLimitedBufferSize() { |
| startTracker(mTracker); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| |
| for (int brightness = 0; brightness <= 255; ++brightness) { |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toNanos(1)); |
| notifyBrightnessChanged(mTracker, brightness); |
| } |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| // Should be capped at 100 events, and they should be the most recent 100. |
| assertEquals(100, events.size()); |
| for (int i = 0; i < events.size(); i++) { |
| BrightnessChangeEvent event = events.get(i); |
| assertEquals(156 + i, event.brightness, FLOAT_DELTA); |
| } |
| } |
| |
| @Test |
| public void testLimitedSensorEvents() { |
| final int brightness = 20; |
| |
| startTracker(mTracker); |
| // 20 Sensor events 1 second apart. |
| for (int i = 0; i < 20; ++i) { |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(1)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(i + 1.0f)); |
| } |
| notifyBrightnessChanged(mTracker, 20); |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(mInjector.currentTimeMillis(), event.timeStamp); |
| |
| // 12 sensor events, 11 for 0->10 seconds + 1 previous event. |
| assertEquals(12, event.luxValues.length); |
| for (int i = 0; i < 12; ++i) { |
| assertEquals(event.luxTimestamps[11 - i], |
| mInjector.currentTimeMillis() - i * TimeUnit.SECONDS.toMillis(1)); |
| } |
| assertEquals(brightness, event.brightness, FLOAT_DELTA); |
| } |
| |
| @Test |
| public void testReadEvents() throws Exception { |
| BrightnessTracker tracker = new BrightnessTracker(InstrumentationRegistry.getContext(), |
| mInjector); |
| mInjector.mCurrentTimeMillis = System.currentTimeMillis(); |
| long someTimeAgo = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(12); |
| long twoMonthsAgo = System.currentTimeMillis() - TimeUnit.DAYS.toMillis(60); |
| // 3 Events in the file but one too old to read. |
| String eventFile = |
| "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" |
| + "<events>\n" |
| + "<event nits=\"194.2\" timestamp=\"" |
| + Long.toString(someTimeAgo) + "\" packageName=\"" |
| + "com.example.app\" user=\"10\" " |
| + "lastNits=\"32.333\" " |
| + "batteryLevel=\"1.0\" nightMode=\"false\" colorTemperature=\"0\"\n" |
| + "lux=\"32.2,31.1\" luxTimestamps=\"" |
| + Long.toString(someTimeAgo) + "," + Long.toString(someTimeAgo) + "\"" |
| + "defaultConfig=\"true\" powerSaveFactor=\"0.5\" userPoint=\"true\" />" |
| + "<event nits=\"71\" timestamp=\"" |
| + Long.toString(someTimeAgo) + "\" packageName=\"" |
| + "com.android.anapp\" user=\"11\" " |
| + "lastNits=\"32\" " |
| + "batteryLevel=\"0.5\" nightMode=\"true\" colorTemperature=\"3235\"\n" |
| + "lux=\"132.2,131.1\" luxTimestamps=\"" |
| + Long.toString(someTimeAgo) + "," + Long.toString(someTimeAgo) + "\"" |
| + "colorSampleDuration=\"3456\" colorValueBuckets=\"123,598,23,19\"/>" |
| // Event that is too old so shouldn't show up. |
| + "<event nits=\"142\" timestamp=\"" |
| + Long.toString(twoMonthsAgo) + "\" packageName=\"" |
| + "com.example.app\" user=\"10\" " |
| + "lastNits=\"32\" " |
| + "batteryLevel=\"1.0\" nightMode=\"false\" colorTemperature=\"0\"\n" |
| + "lux=\"32.2,31.1\" luxTimestamps=\"" |
| + Long.toString(twoMonthsAgo) + "," + Long.toString(twoMonthsAgo) + "\"/>" |
| + "</events>"; |
| tracker.readEventsLocked(getInputStream(eventFile)); |
| List<BrightnessChangeEvent> events = tracker.getEvents(0, true).getList(); |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(someTimeAgo, event.timeStamp); |
| assertEquals(194.2, event.brightness, FLOAT_DELTA); |
| assertArrayEquals(new float[] {32.2f, 31.1f}, event.luxValues, FLOAT_DELTA); |
| assertArrayEquals(new long[] {someTimeAgo, someTimeAgo}, event.luxTimestamps); |
| assertEquals(32.333, event.lastBrightness, FLOAT_DELTA); |
| assertEquals(0, event.userId); |
| assertFalse(event.nightMode); |
| assertEquals(1.0f, event.batteryLevel, FLOAT_DELTA); |
| assertEquals("com.example.app", event.packageName); |
| assertTrue(event.isDefaultBrightnessConfig); |
| assertEquals(0.5f, event.powerBrightnessFactor, FLOAT_DELTA); |
| assertTrue(event.isUserSetBrightness); |
| assertNull(event.colorValueBuckets); |
| |
| events = tracker.getEvents(1, true).getList(); |
| assertEquals(1, events.size()); |
| event = events.get(0); |
| assertEquals(someTimeAgo, event.timeStamp); |
| assertEquals(71, event.brightness, FLOAT_DELTA); |
| assertArrayEquals(new float[] {132.2f, 131.1f}, event.luxValues, FLOAT_DELTA); |
| assertArrayEquals(new long[] {someTimeAgo, someTimeAgo}, event.luxTimestamps); |
| assertEquals(32, event.lastBrightness, FLOAT_DELTA); |
| assertEquals(1, event.userId); |
| assertTrue(event.nightMode); |
| assertEquals(3235, event.colorTemperature); |
| assertEquals(0.5f, event.batteryLevel, FLOAT_DELTA); |
| assertEquals("com.android.anapp", event.packageName); |
| // Not present in the event so default to false. |
| assertFalse(event.isDefaultBrightnessConfig); |
| assertEquals(1.0, event.powerBrightnessFactor, FLOAT_DELTA); |
| assertFalse(event.isUserSetBrightness); |
| assertEquals(3456L, event.colorSampleDuration); |
| assertArrayEquals(new long[] {123L, 598L, 23L, 19L}, event.colorValueBuckets); |
| |
| // Pretend user 1 is a profile of user 0. |
| mInjector.mProfiles = new int[]{0, 1}; |
| events = tracker.getEvents(0, true).getList(); |
| // Both events should now be returned. |
| assertEquals(2, events.size()); |
| BrightnessChangeEvent userZeroEvent; |
| BrightnessChangeEvent userOneEvent; |
| if (events.get(0).userId == 0) { |
| userZeroEvent = events.get(0); |
| userOneEvent = events.get(1); |
| } else { |
| userZeroEvent = events.get(1); |
| userOneEvent = events.get(0); |
| } |
| assertEquals(0, userZeroEvent.userId); |
| assertEquals("com.example.app", userZeroEvent.packageName); |
| assertEquals(1, userOneEvent.userId); |
| // Events from user 1 should have the package name redacted |
| assertNull(userOneEvent.packageName); |
| } |
| |
| @Test |
| public void testFailedRead() { |
| String someTimeAgo = |
| Long.toString(System.currentTimeMillis() - TimeUnit.HOURS.toMillis(12)); |
| mInjector.mCurrentTimeMillis = System.currentTimeMillis(); |
| |
| BrightnessTracker tracker = new BrightnessTracker(InstrumentationRegistry.getContext(), |
| mInjector); |
| String eventFile = "junk in the file"; |
| try { |
| tracker.readEventsLocked(getInputStream(eventFile)); |
| } catch (IOException e) { |
| // Expected; |
| } |
| assertEquals(0, tracker.getEvents(0, true).getList().size()); |
| |
| // Missing lux value. |
| eventFile = |
| "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n" |
| + "<events>\n" |
| + "<event nits=\"194\" timestamp=\"" + someTimeAgo + "\" packageName=\"" |
| + "com.example.app\" user=\"10\" " |
| + "batteryLevel=\"0.7\" nightMode=\"false\" colorTemperature=\"0\" />\n" |
| + "</events>"; |
| try { |
| tracker.readEventsLocked(getInputStream(eventFile)); |
| } catch (IOException e) { |
| // Expected; |
| } |
| assertEquals(0, tracker.getEvents(0, true).getList().size()); |
| } |
| |
| @Test |
| public void testWriteThenRead() throws Exception { |
| final int brightness = 20; |
| |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, 1); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, 3339); |
| |
| startTracker(mTracker); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| batteryChangeEvent(30, 100)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(2000.0f)); |
| final long firstSensorTime = mInjector.currentTimeMillis(); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(3000.0f)); |
| final long secondSensorTime = mInjector.currentTimeMillis(); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(3)); |
| notifyBrightnessChanged(mTracker, brightness, true /*userInitiated*/, |
| 0.5f /*powerBrightnessFactor*/, true /*hasUserBrightnessPoints*/, |
| false /*isDefaultBrightnessConfig*/); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mTracker.writeEventsLocked(baos); |
| mTracker.stop(); |
| |
| baos.flush(); |
| ByteArrayInputStream input = new ByteArrayInputStream(baos.toByteArray()); |
| BrightnessTracker tracker = new BrightnessTracker(InstrumentationRegistry.getContext(), |
| mInjector); |
| tracker.readEventsLocked(input); |
| List<BrightnessChangeEvent> events = tracker.getEvents(0, true).getList(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertArrayEquals(new float[] {2000.0f, 3000.0f}, event.luxValues, FLOAT_DELTA); |
| assertArrayEquals(new long[] {firstSensorTime, secondSensorTime}, event.luxTimestamps); |
| assertEquals(brightness, event.brightness, FLOAT_DELTA); |
| assertEquals(0.3, event.batteryLevel, FLOAT_DELTA); |
| assertTrue(event.nightMode); |
| assertEquals(3339, event.colorTemperature); |
| assertEquals(0.5f, event.powerBrightnessFactor, FLOAT_DELTA); |
| assertTrue(event.isUserSetBrightness); |
| assertFalse(event.isDefaultBrightnessConfig); |
| if (BrightnessTracker.ENABLE_COLOR_SAMPLING) { |
| assertArrayEquals(new long[]{1, 10, 100, 1000, 300, 30, 10, 1}, |
| event.colorValueBuckets); |
| assertEquals(10000, event.colorSampleDuration); |
| } |
| } |
| |
| @Test |
| public void testWritePrunesOldEvents() throws Exception { |
| final int brightness = 20; |
| |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, 1); |
| mInjector.mSecureIntSettings.put(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, 3339); |
| |
| startTracker(mTracker); |
| mInjector.mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), |
| batteryChangeEvent(30, 100)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1000.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(1)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(2000.0f)); |
| final long sensorTime = mInjector.currentTimeMillis(); |
| notifyBrightnessChanged(mTracker, brightness); |
| |
| // 31 days later |
| mInjector.incrementTime(TimeUnit.DAYS.toMillis(31)); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(3000.0f)); |
| notifyBrightnessChanged(mTracker, brightness); |
| final long eventTime = mInjector.currentTimeMillis(); |
| |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| assertEquals(2, events.size()); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mTracker.writeEventsLocked(baos); |
| events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(eventTime, event.timeStamp); |
| |
| // We will keep one of the old sensor events because we keep 1 event outside the window. |
| assertArrayEquals(new float[] {2000.0f, 3000.0f}, event.luxValues, FLOAT_DELTA); |
| assertArrayEquals(new long[] {sensorTime, eventTime}, event.luxTimestamps); |
| assertEquals(brightness, event.brightness, FLOAT_DELTA); |
| assertEquals(0.3, event.batteryLevel, FLOAT_DELTA); |
| assertTrue(event.nightMode); |
| assertEquals(3339, event.colorTemperature); |
| } |
| |
| @Test |
| public void testParcelUnParcel() { |
| Parcel parcel = Parcel.obtain(); |
| BrightnessChangeEvent.Builder builder = new BrightnessChangeEvent.Builder(); |
| builder.setBrightness(23f); |
| builder.setTimeStamp(345L); |
| builder.setPackageName("com.example"); |
| builder.setUserId(12); |
| float[] luxValues = new float[2]; |
| luxValues[0] = 3000.0f; |
| luxValues[1] = 4000.0f; |
| builder.setLuxValues(luxValues); |
| long[] luxTimestamps = new long[2]; |
| luxTimestamps[0] = 325L; |
| luxTimestamps[1] = 315L; |
| builder.setLuxTimestamps(luxTimestamps); |
| builder.setBatteryLevel(0.7f); |
| builder.setNightMode(false); |
| builder.setColorTemperature(345); |
| builder.setLastBrightness(50f); |
| builder.setColorValues(new long[] {23, 34, 45}, 1000L); |
| BrightnessChangeEvent event = builder.build(); |
| |
| event.writeToParcel(parcel, 0); |
| byte[] parceled = parcel.marshall(); |
| parcel.recycle(); |
| |
| parcel = Parcel.obtain(); |
| parcel.unmarshall(parceled, 0, parceled.length); |
| parcel.setDataPosition(0); |
| |
| BrightnessChangeEvent event2 = BrightnessChangeEvent.CREATOR.createFromParcel(parcel); |
| parcel.recycle(); |
| assertEquals(event.brightness, event2.brightness, FLOAT_DELTA); |
| assertEquals(event.timeStamp, event2.timeStamp); |
| assertEquals(event.packageName, event2.packageName); |
| assertEquals(event.userId, event2.userId); |
| assertArrayEquals(event.luxValues, event2.luxValues, FLOAT_DELTA); |
| assertArrayEquals(event.luxTimestamps, event2.luxTimestamps); |
| assertEquals(event.batteryLevel, event2.batteryLevel, FLOAT_DELTA); |
| assertEquals(event.nightMode, event2.nightMode); |
| assertEquals(event.colorTemperature, event2.colorTemperature); |
| assertEquals(event.lastBrightness, event2.lastBrightness, FLOAT_DELTA); |
| assertArrayEquals(event.colorValueBuckets, event2.colorValueBuckets); |
| assertEquals(event.colorSampleDuration, event2.colorSampleDuration); |
| |
| parcel = Parcel.obtain(); |
| builder.setBatteryLevel(Float.NaN); |
| event = builder.build(); |
| event.writeToParcel(parcel, 0); |
| parceled = parcel.marshall(); |
| parcel.recycle(); |
| |
| parcel = Parcel.obtain(); |
| parcel.unmarshall(parceled, 0, parceled.length); |
| parcel.setDataPosition(0); |
| event2 = BrightnessChangeEvent.CREATOR.createFromParcel(parcel); |
| assertEquals(event.batteryLevel, event2.batteryLevel, FLOAT_DELTA); |
| } |
| |
| @Test |
| public void testNonNullAmbientStats() { |
| // getAmbientBrightnessStats should return an empty list rather than null when |
| // tracker isn't started or hasn't collected any data. |
| ParceledListSlice<AmbientBrightnessDayStats> slice = mTracker.getAmbientBrightnessStats(0); |
| assertNotNull(slice); |
| assertTrue(slice.getList().isEmpty()); |
| startTracker(mTracker); |
| slice = mTracker.getAmbientBrightnessStats(0); |
| assertNotNull(slice); |
| assertTrue(slice.getList().isEmpty()); |
| } |
| |
| @Test |
| public void testBackgroundHandlerDelay() { |
| final int brightness = 20; |
| |
| // Setup tracker. |
| startTracker(mTracker); |
| mInjector.mSensorListener.onSensorChanged(createSensorEvent(1.0f)); |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2)); |
| |
| // Block handler from running. |
| final CountDownLatch latch = new CountDownLatch(1); |
| mInjector.mHandler.post( |
| () -> { |
| try { |
| latch.await(); |
| } catch (InterruptedException e) { |
| fail(e.getMessage()); |
| } |
| }); |
| |
| // Send an event. |
| long eventTime = mInjector.currentTimeMillis(); |
| mTracker.notifyBrightnessChanged(brightness, true /*userInitiated*/, |
| 1.0f /*powerBrightnessFactor*/, false /*isUserSetBrightness*/, |
| false /*isDefaultBrightnessConfig*/); |
| |
| // Time passes before handler can run. |
| mInjector.incrementTime(TimeUnit.SECONDS.toMillis(2)); |
| |
| // Let the handler run. |
| latch.countDown(); |
| mInjector.waitForHandler(); |
| |
| List<BrightnessChangeEvent> events = mTracker.getEvents(0, true).getList(); |
| mTracker.stop(); |
| |
| // Check event was recorded with time it was sent rather than handler ran. |
| assertEquals(1, events.size()); |
| BrightnessChangeEvent event = events.get(0); |
| assertEquals(eventTime, event.timeStamp); |
| } |
| |
| private InputStream getInputStream(String data) { |
| return new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| private Intent batteryChangeEvent(int level, int scale) { |
| Intent intent = new Intent(); |
| intent.setAction(Intent.ACTION_BATTERY_CHANGED); |
| intent.putExtra(BatteryManager.EXTRA_LEVEL, level); |
| intent.putExtra(BatteryManager.EXTRA_SCALE, scale); |
| return intent; |
| } |
| |
| private SensorEvent createSensorEvent(float lux) { |
| SensorEvent event; |
| try { |
| Constructor<SensorEvent> constr = |
| SensorEvent.class.getDeclaredConstructor(Integer.TYPE); |
| constr.setAccessible(true); |
| event = constr.newInstance(1); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| event.values[0] = lux; |
| event.timestamp = mInjector.mElapsedRealtimeNanos; |
| |
| return event; |
| } |
| |
| private void startTracker(BrightnessTracker tracker) { |
| startTracker(tracker, DEFAULT_INITIAL_BRIGHTNESS); |
| } |
| |
| private void startTracker(BrightnessTracker tracker, float initialBrightness) { |
| tracker.start(initialBrightness); |
| mInjector.waitForHandler(); |
| } |
| |
| private void notifyBrightnessChanged(BrightnessTracker tracker, float brightness) { |
| notifyBrightnessChanged(tracker, brightness, true /*userInitiated*/, |
| 1.0f /*powerBrightnessFactor*/, false /*isUserSetBrightness*/, |
| false /*isDefaultBrightnessConfig*/); |
| } |
| |
| private void notifyBrightnessChanged(BrightnessTracker tracker, float brightness, |
| boolean userInitiated, float powerBrightnessFactor, boolean isUserSetBrightness, |
| boolean isDefaultBrightnessConfig) { |
| tracker.notifyBrightnessChanged(brightness, userInitiated, powerBrightnessFactor, |
| isUserSetBrightness, isDefaultBrightnessConfig); |
| mInjector.waitForHandler(); |
| } |
| |
| private static final class Idle implements MessageQueue.IdleHandler { |
| private boolean mIdle; |
| |
| @Override |
| public boolean queueIdle() { |
| synchronized (this) { |
| mIdle = true; |
| notifyAll(); |
| } |
| return false; |
| } |
| |
| public synchronized void waitForIdle() { |
| while (!mIdle) { |
| try { |
| wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| } |
| |
| private class TestInjector extends BrightnessTracker.Injector { |
| SensorEventListener mSensorListener; |
| BroadcastReceiver mBroadcastReceiver; |
| DisplayManager.DisplayListener mDisplayListener; |
| Map<String, Integer> mSecureIntSettings = new HashMap<>(); |
| long mCurrentTimeMillis = System.currentTimeMillis(); |
| long mElapsedRealtimeNanos = SystemClock.elapsedRealtimeNanos(); |
| Handler mHandler; |
| boolean mIdleScheduled; |
| boolean mInteractive = true; |
| int[] mProfiles; |
| ContentObserver mContentObserver; |
| boolean mIsBrightnessModeAutomatic = true; |
| boolean mColorSamplingEnabled = false; |
| DisplayedContentSamplingAttributes mDefaultSamplingAttributes = |
| new DisplayedContentSamplingAttributes(0x37, 0, 0x4); |
| float mFrameRate = 60.0f; |
| int mNoColorSamplingFrames; |
| |
| |
| public TestInjector(Handler handler) { |
| mHandler = handler; |
| } |
| |
| void incrementTime(long timeMillis) { |
| mCurrentTimeMillis += timeMillis; |
| mElapsedRealtimeNanos += TimeUnit.MILLISECONDS.toNanos(timeMillis); |
| } |
| |
| void setBrightnessMode(boolean isBrightnessModeAutomatic) { |
| mIsBrightnessModeAutomatic = isBrightnessModeAutomatic; |
| mContentObserver.dispatchChange(false, null); |
| waitForHandler(); |
| } |
| |
| void sendScreenChange(boolean screenOn) { |
| mInteractive = screenOn; |
| Intent intent = new Intent(); |
| intent.setAction(screenOn ? Intent.ACTION_SCREEN_ON : Intent.ACTION_SCREEN_OFF); |
| mBroadcastReceiver.onReceive(InstrumentationRegistry.getContext(), intent); |
| waitForHandler(); |
| } |
| |
| void waitForHandler() { |
| Idle idle = new Idle(); |
| mHandler.getLooper().getQueue().addIdleHandler(idle); |
| mHandler.post(() -> {}); |
| idle.waitForIdle(); |
| } |
| |
| @Override |
| public void registerSensorListener(Context context, |
| SensorEventListener sensorListener, Handler handler) { |
| mSensorListener = sensorListener; |
| } |
| |
| @Override |
| public void unregisterSensorListener(Context context, |
| SensorEventListener sensorListener) { |
| mSensorListener = null; |
| } |
| |
| @Override |
| public void registerBrightnessModeObserver(ContentResolver resolver, |
| ContentObserver settingsObserver) { |
| mContentObserver = settingsObserver; |
| } |
| |
| @Override |
| public void unregisterBrightnessModeObserver(Context context, |
| ContentObserver settingsObserver) { |
| mContentObserver = null; |
| } |
| |
| @Override |
| public void registerReceiver(Context context, |
| BroadcastReceiver shutdownReceiver, IntentFilter shutdownFilter) { |
| mBroadcastReceiver = shutdownReceiver; |
| } |
| |
| @Override |
| public void unregisterReceiver(Context context, |
| BroadcastReceiver broadcastReceiver) { |
| assertEquals(mBroadcastReceiver, broadcastReceiver); |
| mBroadcastReceiver = null; |
| } |
| |
| @Override |
| public Handler getBackgroundHandler() { |
| return mHandler; |
| } |
| |
| @Override |
| public boolean isBrightnessModeAutomatic(ContentResolver resolver) { |
| return mIsBrightnessModeAutomatic; |
| } |
| |
| @Override |
| public int getSecureIntForUser(ContentResolver resolver, String setting, int defaultValue, |
| int userId) { |
| Integer value = mSecureIntSettings.get(setting); |
| if (value == null) { |
| return defaultValue; |
| } else { |
| return value; |
| } |
| } |
| |
| @Override |
| public AtomicFile getFile(String filename) { |
| // Don't have the test write / read from anywhere. |
| return null; |
| } |
| |
| @Override |
| public long currentTimeMillis() { |
| return mCurrentTimeMillis; |
| } |
| |
| @Override |
| public long elapsedRealtimeNanos() { |
| return mElapsedRealtimeNanos; |
| } |
| |
| @Override |
| public int getUserSerialNumber(UserManager userManager, int userId) { |
| return userId + 10; |
| } |
| |
| @Override |
| public int getUserId(UserManager userManager, int userSerialNumber) { |
| return userSerialNumber - 10; |
| } |
| |
| @Override |
| public int[] getProfileIds(UserManager userManager, int userId) { |
| if (mProfiles != null) { |
| return mProfiles; |
| } else { |
| return new int[]{userId}; |
| } |
| } |
| |
| @Override |
| public ActivityManager.StackInfo getFocusedStack() throws RemoteException { |
| ActivityManager.StackInfo focusedStack = new ActivityManager.StackInfo(); |
| focusedStack.userId = 0; |
| focusedStack.topActivity = new ComponentName("a.package", "a.class"); |
| return focusedStack; |
| } |
| |
| @Override |
| public void scheduleIdleJob(Context context) { |
| // Don't actually schedule jobs during unit tests. |
| mIdleScheduled = true; |
| } |
| |
| @Override |
| public void cancelIdleJob(Context context) { |
| mIdleScheduled = false; |
| } |
| |
| @Override |
| public boolean isInteractive(Context context) { |
| return mInteractive; |
| } |
| |
| @Override |
| public int getNightDisplayColorTemperature(Context context) { |
| return mSecureIntSettings.getOrDefault(Settings.Secure.NIGHT_DISPLAY_COLOR_TEMPERATURE, |
| mDefaultNightModeColorTemperature); |
| } |
| |
| @Override |
| public boolean isNightDisplayActivated(Context context) { |
| return mSecureIntSettings.getOrDefault(Settings.Secure.NIGHT_DISPLAY_ACTIVATED, |
| 0) == 1; |
| } |
| |
| @Override |
| public DisplayedContentSample sampleColor(int noFramesToSample) { |
| return new DisplayedContentSample(600L, |
| null, |
| null, |
| new long[] {1, 10, 100, 1000, 300, 30, 10, 1}, |
| null); |
| } |
| |
| @Override |
| public float getFrameRate(Context context) { |
| return mFrameRate; |
| } |
| |
| @Override |
| public DisplayedContentSamplingAttributes getSamplingAttributes() { |
| return mDefaultSamplingAttributes; |
| } |
| |
| @Override |
| public boolean enableColorSampling(boolean enable, int noFrames) { |
| mColorSamplingEnabled = enable; |
| mNoColorSamplingFrames = noFrames; |
| return true; |
| } |
| |
| @Override |
| public void registerDisplayListener(Context context, |
| DisplayManager.DisplayListener listener, Handler handler) { |
| mDisplayListener = listener; |
| } |
| |
| @Override |
| public void unRegisterDisplayListener(Context context, |
| DisplayManager.DisplayListener listener) { |
| mDisplayListener = null; |
| } |
| } |
| } |
