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/*
* Copyright (C) 2018 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.launcher3.tapl;
import static androidx.test.InstrumentationRegistry.getInstrumentation;
import static androidx.test.InstrumentationRegistry.getTargetContext;
import android.app.Instrumentation;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.os.DropBoxManager;
import org.junit.Assert;
import java.util.Date;
import java.util.List;
public class TestHelpers {
private static Boolean sIsInLauncherProcess;
public static boolean isInLauncherProcess() {
if (sIsInLauncherProcess == null) {
sIsInLauncherProcess = initIsInLauncherProcess();
}
return sIsInLauncherProcess;
}
private static boolean initIsInLauncherProcess() {
ActivityInfo info = getLauncherInMyProcess();
// If we are in the same process, we can instantiate the class name.
try {
Class launcherClazz = Class.forName("com.android.launcher3.Launcher");
return launcherClazz.isAssignableFrom(Class.forName(info.name));
} catch (Exception e) {
return false;
}
}
public static Intent getHomeIntentInPackage(Context context) {
return new Intent(Intent.ACTION_MAIN)
.addCategory(Intent.CATEGORY_HOME)
.setPackage(context.getPackageName())
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
}
public static ActivityInfo getLauncherInMyProcess() {
Instrumentation instrumentation = getInstrumentation();
if (instrumentation.getTargetContext() == null) {
return null;
}
List<ResolveInfo> launchers = getTargetContext().getPackageManager()
.queryIntentActivities(getHomeIntentInPackage(getTargetContext()), 0);
if (launchers.size() != 1) {
return null;
}
return launchers.get(0).activityInfo;
}
public static String getOverviewPackageName() {
Resources res = Resources.getSystem();
int id = res.getIdentifier("config_recentsComponentName", "string", "android");
if (id != 0) {
return ComponentName.unflattenFromString(res.getString(id)).getPackageName();
}
return "com.android.systemui";
}
private static String truncateCrash(String text, int maxLines) {
String[] lines = text.split("\\r?\\n");
StringBuilder ret = new StringBuilder();
for (int i = 0; i < maxLines && i < lines.length; i++) {
ret.append(lines[i]);
ret.append('\n');
}
if (lines.length > maxLines) {
ret.append("... ");
ret.append(lines.length - maxLines);
ret.append(" more lines truncated ...\n");
}
return ret.toString();
}
private static String checkCrash(Context context, String label) {
DropBoxManager dropbox = (DropBoxManager) context.getSystemService(Context.DROPBOX_SERVICE);
Assert.assertNotNull("Unable access the DropBoxManager service", dropbox);
long timestamp = System.currentTimeMillis() - 5 * 60000;
DropBoxManager.Entry entry;
StringBuilder errorDetails = new StringBuilder();
while (null != (entry = dropbox.getNextEntry(label, timestamp))) {
timestamp = entry.getTimeMillis();
errorDetails.append(new Date(timestamp));
errorDetails.append(": ");
errorDetails.append(entry.getTag());
errorDetails.append(": ");
final String dropboxSnippet = entry.getText(4096);
if (dropboxSnippet != null) errorDetails.append(truncateCrash(dropboxSnippet, 40));
errorDetails.append(" ...\n");
entry.close();
}
return errorDetails.length() != 0 ? errorDetails.toString() : null;
}
public static String getSystemHealthMessage(Context context) {
try {
StringBuilder errors = new StringBuilder();
final String[] labels = {
"system_app_anr",
"system_app_crash",
"system_app_native_crash",
"system_app_wtf",
"system_server_anr",
"system_server_crash",
"system_server_native_crash",
"system_server_watchdog",
"system_server_wtf",
};
for (String label : labels) {
final String crash = checkCrash(context, label);
if (crash != null) errors.append(crash);
}
return errors.length() != 0 ? errors.toString() : null;
} catch (Exception e) {
return "Failed to get system health diags, maybe build your test via .bp instead of "
+ ".mk? " + android.util.Log.getStackTraceString(e);
}
}
}
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