ProcessErrorsTest.java revision 9f5a511a08c56906edac40230ac97d670d7ad0c6 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.smoketest;
18
19import com.android.internal.os.RuntimeInit;
20
21import android.app.ActivityManager;
22import android.app.ActivityManager.ProcessErrorStateInfo;
23import android.content.Context;
24import android.content.ComponentName;
25import android.content.Intent;
26import android.content.pm.PackageManager;
27import android.content.pm.ResolveInfo;
28import android.test.AndroidTestCase;
29import android.util.Log;
30
31import java.util.ArrayList;
32import java.util.Collection;
33import java.util.HashSet;
34import java.util.Iterator;
35import java.util.List;
36import java.util.Set;
37
38/**
39 * This smoke test is designed to quickly sniff for any error conditions
40 * encountered after initial startup.
41 */
42public class ProcessErrorsTest extends AndroidTestCase {
43
44    private static final String TAG = "ProcessErrorsTest";
45
46    protected ActivityManager mActivityManager;
47    protected PackageManager mPackageManager;
48
49    @Override
50    public void setUp() throws Exception {
51        super.setUp();
52        mActivityManager = (ActivityManager)
53                getContext().getSystemService(Context.ACTIVITY_SERVICE);
54        mPackageManager = getContext().getPackageManager();
55    }
56
57    public void testSetUpConditions() throws Exception {
58        assertNotNull(mActivityManager);
59        assertNotNull(mPackageManager);
60    }
61
62    public void testNoProcessErrors() throws Exception {
63        final String reportMsg = checkForProcessErrors();
64        if (reportMsg != null) {
65            Log.w(TAG, reportMsg);
66        }
67
68        // report a non-empty list back to the test framework
69        assertNull(reportMsg, reportMsg);
70    }
71
72    private String checkForProcessErrors() throws Exception {
73        List<ProcessErrorStateInfo> errList;
74        errList = mActivityManager.getProcessesInErrorState();
75
76        // note: this contains information about each process that is currently in an error
77        // condition.  if the list is empty (null) then "we're good".
78
79        // if the list is non-empty, then it's useful to report the contents of the list
80        final String reportMsg = reportListContents(errList);
81        return reportMsg;
82    }
83
84    /**
85     * A test that runs all Launcher-launchable activities and verifies that no ANRs or crashes
86     * happened while doing so.
87     * <p />
88     * FIXME: Doesn't detect multiple crashing apps properly, since the crash dialog for the
89     * FIXME: first app doesn't go away.
90     */
91    public void testRunAllActivities() throws Exception {
92        final Intent home = new Intent(Intent.ACTION_MAIN);
93        home.addCategory(Intent.CATEGORY_HOME);
94        home.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
95
96        final Intent launchable = new Intent(Intent.ACTION_MAIN);
97        launchable.addCategory(Intent.CATEGORY_LAUNCHER);
98        final List<ResolveInfo> activities = mPackageManager.queryIntentActivities(launchable, 0);
99        final Set<ProcessError> errSet = new HashSet<ProcessError>();
100
101        for (ResolveInfo info : activities) {
102            Log.i(TAG, String.format("Got %s/%s", info.activityInfo.packageName,
103                    info.activityInfo.name));
104
105            // build an Intent to launch the app
106            final ComponentName component = new ComponentName(info.activityInfo.packageName,
107                    info.activityInfo.name);
108            final Intent intent = new Intent(Intent.ACTION_MAIN);
109            intent.setComponent(component);
110            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
111
112            // launch app, and wait 7 seconds for it to start/settle
113            getContext().startActivity(intent);
114            try {
115                Thread.sleep(7000);
116            } catch (InterruptedException e) {
117                // ignore
118            }
119
120            // See if there are any errors
121            Collection<ProcessErrorStateInfo> procs = mActivityManager.getProcessesInErrorState();
122            if (procs != null) {
123                errSet.addAll(ProcessError.fromCollection(procs));
124            }
125
126            // Send the "home" intent and wait 2 seconds for us to get there
127            getContext().startActivity(home);
128            try {
129                Thread.sleep(2000);
130            } catch (InterruptedException e) {
131                // ignore
132            }
133        }
134
135        if (!errSet.isEmpty()) {
136            fail(String.format("Got %d errors: %s", errSet.size(),
137                    reportWrappedListContents(errSet)));
138        }
139    }
140
141    private String reportWrappedListContents(Collection<ProcessError> errList) {
142        List<ProcessErrorStateInfo> newList = new ArrayList<ProcessErrorStateInfo>(errList.size());
143        for (ProcessError err : errList) {
144            newList.add(err.info);
145        }
146        return reportListContents(newList);
147    }
148
149    /**
150     * This helper function will dump the actual error reports.
151     *
152     * @param errList The error report containing one or more error records.
153     * @return Returns a string containing all of the errors.
154     */
155    private String reportListContents(Collection<ProcessErrorStateInfo> errList) {
156        if (errList == null) return null;
157
158        StringBuilder builder = new StringBuilder();
159
160        Iterator<ProcessErrorStateInfo> iter = errList.iterator();
161        while (iter.hasNext()) {
162            ProcessErrorStateInfo entry = iter.next();
163
164            String condition;
165            switch (entry.condition) {
166            case ActivityManager.ProcessErrorStateInfo.CRASHED:
167                condition = "CRASHED";
168                break;
169            case ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING:
170                condition = "ANR";
171                break;
172            default:
173                condition = "<unknown>";
174                break;
175            }
176
177            builder.append("Process error ").append(condition).append(" ");
178            builder.append(" ").append(entry.shortMsg);
179            builder.append(" detected in ").append(entry.processName).append(" ").append(entry.tag);
180            builder.append("\n");
181        }
182        return builder.toString();
183    }
184
185    /**
186     * A {@link ProcessErrorStateInfo} wrapper class that hashes how we want (so that equivalent
187     * crashes are considered equal).
188     */
189    private static class ProcessError {
190        public final ProcessErrorStateInfo info;
191
192        public ProcessError(ProcessErrorStateInfo newInfo) {
193            info = newInfo;
194        }
195
196        public static Collection<ProcessError> fromCollection(Collection<ProcessErrorStateInfo> in)
197                {
198            List<ProcessError> out = new ArrayList<ProcessError>(in.size());
199            for (ProcessErrorStateInfo info : in) {
200                out.add(new ProcessError(info));
201            }
202            return out;
203        }
204
205        private boolean strEquals(String a, String b) {
206            if ((a == null) && (b == null)) {
207                return true;
208            } else if ((a == null) || (b == null)) {
209                return false;
210            } else {
211                return a.equals(b);
212            }
213        }
214
215        @Override
216        public boolean equals(Object other) {
217            if (other == null) return false;
218            if (!(other instanceof ProcessError)) return false;
219            ProcessError peOther = (ProcessError) other;
220
221            return (info.condition == peOther.info.condition)
222                    && strEquals(info.longMsg, peOther.info.longMsg)
223                    && (info.pid == peOther.info.pid)
224                    && strEquals(info.processName, peOther.info.processName)
225                    && strEquals(info.shortMsg, peOther.info.shortMsg)
226                    && strEquals(info.stackTrace, peOther.info.stackTrace)
227                    && strEquals(info.tag, peOther.info.tag)
228                    && (info.uid == peOther.info.uid);
229        }
230
231        private int hash(Object obj) {
232            if (obj == null) {
233                return 13;
234            } else {
235                return obj.hashCode();
236            }
237        }
238
239        @Override
240        public int hashCode() {
241            int code = 17;
242            code += info.condition;
243            code *= hash(info.longMsg);
244            code += info.pid;
245            code *= hash(info.processName);
246            code *= hash(info.shortMsg);
247            code *= hash(info.stackTrace);
248            code *= hash(info.tag);
249            code += info.uid;
250            return code;
251        }
252    }
253}
254