| /* |
| * Copyright (C) 2016 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.documentsui; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.Bundle; |
| import android.provider.DocumentsContract; |
| import android.support.test.uiautomator.UiDevice; |
| import android.test.InstrumentationTestCase; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| |
| @LargeTest |
| public class FilesAppPerfTest extends InstrumentationTestCase { |
| |
| // Keys used to report metrics to APCT. |
| private static final String KEY_FILES_COLD_START_PERFORMANCE_MEDIAN = |
| "files-cold-start-performance-median"; |
| private static final String KEY_FILES_WARM_START_PERFORMANCE_MEDIAN = |
| "files-warm-start-performance-median"; |
| |
| private static final String TARGET_PACKAGE = "com.android.documentsui"; |
| |
| private static final int NUM_MEASUREMENTS = 10; |
| |
| private LauncherActivity mActivity; |
| private UiDevice mDevice; |
| |
| @Override |
| public void setUp() { |
| mDevice = UiDevice.getInstance(getInstrumentation()); |
| } |
| |
| public void testFilesColdStartPerformance() throws Exception { |
| runFilesStartPerformanceTest(true); |
| } |
| |
| public void testFilesWarmStartPerformance() throws Exception { |
| runFilesStartPerformanceTest(false); |
| } |
| |
| public void runFilesStartPerformanceTest(boolean cold) throws Exception { |
| long[] measurements = new long[NUM_MEASUREMENTS]; |
| for (int i = 0; i < NUM_MEASUREMENTS; i++) { |
| if (cold) { |
| // Kill all providers, as well as DocumentsUI to measure a cold start. |
| killProviders(); |
| mDevice.executeShellCommand("am force-stop " + TARGET_PACKAGE); |
| } |
| mDevice.waitForIdle(); |
| |
| LauncherActivity.testCaseLatch = new CountDownLatch(1); |
| mActivity = launchActivity(getInstrumentation().getTargetContext().getPackageName(), |
| LauncherActivity.class, null); |
| LauncherActivity.testCaseLatch.await(); |
| measurements[i] = LauncherActivity.measurement; |
| } |
| |
| reportMetrics(cold ? KEY_FILES_COLD_START_PERFORMANCE_MEDIAN |
| : KEY_FILES_WARM_START_PERFORMANCE_MEDIAN, measurements); |
| } |
| |
| private void reportMetrics(String key, long[] measurements) { |
| final Bundle status = new Bundle(); |
| Arrays.sort(measurements); |
| final long median = measurements[NUM_MEASUREMENTS / 2 - 1]; |
| status.putDouble(key, median); |
| |
| getInstrumentation().sendStatus(Activity.RESULT_OK, status); |
| } |
| |
| private void killProviders() throws Exception { |
| final Context context = getInstrumentation().getContext(); |
| final PackageManager pm = context.getPackageManager(); |
| final ActivityManager am = (ActivityManager) context.getSystemService( |
| Context.ACTIVITY_SERVICE); |
| final Intent intent = new Intent(DocumentsContract.PROVIDER_INTERFACE); |
| final List<ResolveInfo> providers = pm.queryIntentContentProviders(intent, 0); |
| for (ResolveInfo info : providers) { |
| final String packageName = info.providerInfo.packageName; |
| am.killBackgroundProcesses(packageName); |
| } |
| } |
| } |