| /* |
| * Copyright (C) 2008 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.smoketest; |
| |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.ProcessErrorStateInfo; |
| import android.content.Context; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.test.AndroidTestCase; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * This smoke test is designed to check for crashes and ANRs in an attempt to quickly determine if |
| * all minimal functionality in the build is working properly. |
| */ |
| public class ProcessErrorsTest extends AndroidTestCase { |
| |
| private static final String TAG = "ProcessErrorsTest"; |
| |
| private final Intent mHomeIntent; |
| |
| protected ActivityManager mActivityManager; |
| protected PackageManager mPackageManager; |
| |
| /** |
| * Used to buffer asynchronously-caused crashes and ANRs so that we can have a big fail-party |
| * in the catch-all testCase. |
| */ |
| private static final Collection<ProcessError> mAsyncErrors = |
| Collections.synchronizedSet(new LinkedHashSet<ProcessError>()); |
| |
| public ProcessErrorsTest() { |
| mHomeIntent = new Intent(Intent.ACTION_MAIN); |
| mHomeIntent.addCategory(Intent.CATEGORY_HOME); |
| mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| // First, make sure we have a Context |
| assertNotNull("getContext() returned null!", getContext()); |
| |
| mActivityManager = (ActivityManager) |
| getContext().getSystemService(Context.ACTIVITY_SERVICE); |
| mPackageManager = getContext().getPackageManager(); |
| } |
| |
| public void testSetUpConditions() throws Exception { |
| assertNotNull(mActivityManager); |
| assertNotNull(mPackageManager); |
| } |
| |
| public void testNoProcessErrorsAfterBoot() throws Exception { |
| final String reportMsg = checkForProcessErrors(); |
| if (reportMsg != null) { |
| Log.w(TAG, reportMsg); |
| } |
| |
| // report a non-empty list back to the test framework |
| assertNull(reportMsg, reportMsg); |
| } |
| |
| /** |
| * A test that runs all Launcher-launchable activities and verifies that no ANRs or crashes |
| * happened while doing so. |
| */ |
| public void testRunAllActivities() throws Exception { |
| final Set<ProcessError> errSet = new LinkedHashSet<ProcessError>(); |
| |
| for (ResolveInfo app : getLauncherActivities(mPackageManager)) { |
| final Collection<ProcessError> errProcs = runOneActivity(app); |
| if (errProcs != null) { |
| errSet.addAll(errProcs); |
| } |
| } |
| |
| if (!errSet.isEmpty()) { |
| fail(String.format("Got %d errors:\n%s", errSet.size(), |
| reportWrappedListContents(errSet))); |
| } |
| } |
| |
| /** |
| * This test checks for asynchronously-caused errors (crashes or ANRs) and fails in case any |
| * were found. This prevents us from needing to fail unrelated testcases when, for instance |
| * a background thread causes a crash or ANR. |
| * <p /> |
| * Because this behavior depends on the contents of static member {@link mAsyncErrors}, we clear |
| * that state here as a side-effect so that if two successive runs happen in the same process, |
| * the asynchronous errors in the second test run won't include errors produced during the first |
| * run. |
| */ |
| public void testZZReportAsyncErrors() throws Exception { |
| try { |
| if (!mAsyncErrors.isEmpty()) { |
| fail(String.format("Got %d asynchronous errors:\n%s", mAsyncErrors.size(), |
| reportWrappedListContents(mAsyncErrors))); |
| } |
| } finally { |
| // Reset state just in case we should get another set of runs in the same process |
| mAsyncErrors.clear(); |
| } |
| } |
| |
| |
| /** |
| * A method to run the specified Activity and return a {@link Collection} of the Activities that |
| * were in an error state, as listed by {@link ActivityManager.getProcessesInErrorState()}. |
| * <p /> |
| * The method will launch the app, wait for 7 seconds, check for apps in the error state, send |
| * the Home intent, wait for 2 seconds, and then return. |
| */ |
| public Collection<ProcessError> runOneActivity(ResolveInfo app) { |
| final long appLaunchWait = 7000; |
| final long homeLaunchWait = 2000; |
| |
| Log.i(TAG, String.format("Running activity %s/%s", app.activityInfo.packageName, |
| app.activityInfo.name)); |
| |
| // We check for any Crash or ANR dialogs that are already up, and we ignore them. This is |
| // so that we don't report crashes that were caused by prior apps (which those particular |
| // tests should have caught and reported already). |
| final Collection<ProcessError> preErrProcs = |
| ProcessError.fromCollection(mActivityManager.getProcessesInErrorState()); |
| |
| // launch app, and wait 7 seconds for it to start/settle |
| final Intent intent = intentForActivity(app); |
| getContext().startActivity(intent); |
| try { |
| Thread.sleep(appLaunchWait); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| |
| // Send the "home" intent and wait 2 seconds for us to get there |
| getContext().startActivity(mHomeIntent); |
| try { |
| Thread.sleep(homeLaunchWait); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| |
| // See if there are any errors. We wait until down here to give ANRs as much time as |
| // possible to occur. |
| final Collection<ProcessError> errProcs = |
| ProcessError.fromCollection(mActivityManager.getProcessesInErrorState()); |
| |
| // Distinguish the asynchronous crashes/ANRs from the synchronous ones by checking the |
| // crash package name against the package name for {@code app} |
| if (errProcs != null) { |
| Iterator<ProcessError> errIter = errProcs.iterator(); |
| while (errIter.hasNext()) { |
| ProcessError err = errIter.next(); |
| if (!packageMatches(app, err)) { |
| // async! Drop into mAsyncErrors and don't report now |
| mAsyncErrors.add(err); |
| errIter.remove(); |
| } |
| } |
| } |
| // Take the difference between the remaining current error processes and the ones that were |
| // present when we started. The result is guaranteed to be: |
| // 1) Errors that are pertinent to this app's package |
| // 2) Errors that are pertinent to this particular app invocation |
| if (errProcs != null && preErrProcs != null) { |
| errProcs.removeAll(preErrProcs); |
| } |
| |
| return errProcs; |
| } |
| |
| private String checkForProcessErrors() throws Exception { |
| List<ProcessErrorStateInfo> errList; |
| errList = mActivityManager.getProcessesInErrorState(); |
| |
| // note: this contains information about each process that is currently in an error |
| // condition. if the list is empty (null) then "we're good". |
| |
| // if the list is non-empty, then it's useful to report the contents of the list |
| final String reportMsg = reportListContents(errList); |
| return reportMsg; |
| } |
| |
| /** |
| * A helper function that checks whether the specified error could have been caused by the |
| * specified app. |
| * |
| * @param app The app to check against |
| * @param err The error that we're considering |
| */ |
| private static boolean packageMatches(ResolveInfo app, ProcessError err) { |
| final String appPkg = app.activityInfo.packageName; |
| final String errPkg = err.info.processName; |
| Log.d(TAG, String.format("packageMatches(%s, %s)", appPkg, errPkg)); |
| return appPkg.equals(errPkg); |
| } |
| |
| /** |
| * A helper function to query the provided {@link PackageManager} for a list of Activities that |
| * can be launched from Launcher. |
| */ |
| static List<ResolveInfo> getLauncherActivities(PackageManager pm) { |
| final Intent launchable = new Intent(Intent.ACTION_MAIN); |
| launchable.addCategory(Intent.CATEGORY_LAUNCHER); |
| final List<ResolveInfo> activities = pm.queryIntentActivities(launchable, 0); |
| return activities; |
| } |
| |
| /** |
| * A helper function to create an {@link Intent} to run, given a {@link ResolveInfo} specifying |
| * an activity to be launched. |
| */ |
| static Intent intentForActivity(ResolveInfo app) { |
| final ComponentName component = new ComponentName(app.activityInfo.packageName, |
| app.activityInfo.name); |
| final Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setComponent(component); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| intent.addFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); |
| return intent; |
| } |
| |
| /** |
| * Report error reports for {@link ProcessErrorStateInfo} instances that are wrapped inside of |
| * {@link ProcessError} instances. Just unwraps and calls |
| * {@see reportListContents(Collection<ProcessErrorStateInfo>)}. |
| */ |
| static String reportWrappedListContents(Collection<ProcessError> errList) { |
| List<ProcessErrorStateInfo> newList = new ArrayList<ProcessErrorStateInfo>(errList.size()); |
| for (ProcessError err : errList) { |
| newList.add(err.info); |
| } |
| return reportListContents(newList); |
| } |
| |
| /** |
| * This helper function will dump the actual error reports. |
| * |
| * @param errList The error report containing one or more error records. |
| * @return Returns a string containing all of the errors. |
| */ |
| private static String reportListContents(Collection<ProcessErrorStateInfo> errList) { |
| if (errList == null) return null; |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Iterator<ProcessErrorStateInfo> iter = errList.iterator(); |
| while (iter.hasNext()) { |
| ProcessErrorStateInfo entry = iter.next(); |
| |
| String condition; |
| switch (entry.condition) { |
| case ActivityManager.ProcessErrorStateInfo.CRASHED: |
| condition = "a CRASH"; |
| break; |
| case ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING: |
| condition = "an ANR"; |
| break; |
| default: |
| condition = "an unknown error"; |
| break; |
| } |
| |
| builder.append(String.format("Process %s encountered %s (%s)", entry.processName, |
| condition, entry.shortMsg)); |
| if (entry.condition == ActivityManager.ProcessErrorStateInfo.CRASHED) { |
| builder.append(String.format(" with stack trace:\n%s\n", entry.stackTrace)); |
| } |
| builder.append("\n"); |
| } |
| return builder.toString(); |
| } |
| |
| /** |
| * A {@link ProcessErrorStateInfo} wrapper class that hashes how we want (so that equivalent |
| * crashes are considered equal). |
| */ |
| static class ProcessError { |
| public final ProcessErrorStateInfo info; |
| |
| public ProcessError(ProcessErrorStateInfo newInfo) { |
| info = newInfo; |
| } |
| |
| public static Collection<ProcessError> fromCollection(Collection<ProcessErrorStateInfo> in) |
| { |
| if (in == null) { |
| return null; |
| } |
| |
| List<ProcessError> out = new ArrayList<ProcessError>(in.size()); |
| for (ProcessErrorStateInfo info : in) { |
| out.add(new ProcessError(info)); |
| } |
| return out; |
| } |
| |
| private boolean strEquals(String a, String b) { |
| if ((a == null) && (b == null)) { |
| return true; |
| } else if ((a == null) || (b == null)) { |
| return false; |
| } else { |
| return a.equals(b); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == null) return false; |
| if (!(other instanceof ProcessError)) return false; |
| ProcessError peOther = (ProcessError) other; |
| |
| return (info.condition == peOther.info.condition) |
| && strEquals(info.longMsg, peOther.info.longMsg) |
| && (info.pid == peOther.info.pid) |
| && strEquals(info.processName, peOther.info.processName) |
| && strEquals(info.shortMsg, peOther.info.shortMsg) |
| && strEquals(info.stackTrace, peOther.info.stackTrace) |
| && strEquals(info.tag, peOther.info.tag) |
| && (info.uid == peOther.info.uid); |
| } |
| |
| private int hash(Object obj) { |
| if (obj == null) { |
| return 13; |
| } else { |
| return obj.hashCode(); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| int code = 17; |
| code += info.condition; |
| code *= hash(info.longMsg); |
| code += info.pid; |
| code *= hash(info.processName); |
| code *= hash(info.shortMsg); |
| code *= hash(info.stackTrace); |
| code *= hash(info.tag); |
| code += info.uid; |
| return code; |
| } |
| } |
| } |