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/*
* Copyright (C) 2020 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.tests.stagedinstallinternal.host;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertTrue;
import com.android.ddmlib.Log;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
import com.android.tradefed.util.ProcessInfo;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
@RunWith(DeviceJUnit4ClassRunner.class)
public class StagedInstallInternalTest extends BaseHostJUnit4Test {
private static final String TAG = StagedInstallInternalTest.class.getSimpleName();
private static final long SYSTEM_SERVER_TIMEOUT_MS = 60 * 1000;
private boolean mWasRoot = false;
/**
* Runs the given phase of a test by calling into the device.
* Throws an exception if the test phase fails.
* <p>
* For example, <code>runPhase("testApkOnlyEnableRollback");</code>
*/
private void runPhase(String phase) throws Exception {
assertTrue(runDeviceTests("com.android.tests.stagedinstallinternal",
"com.android.tests.stagedinstallinternal.StagedInstallInternalTest",
phase));
}
// We do not assert the success of cleanup phase since it might fail due to flaky reasons.
private void cleanUp() throws Exception {
try {
runDeviceTests("com.android.tests.stagedinstallinternal",
"com.android.tests.stagedinstallinternal.StagedInstallInternalTest",
"cleanUp");
} catch (AssertionError e) {
Log.e(TAG, e);
}
}
@Before
public void setUp() throws Exception {
mWasRoot = getDevice().isAdbRoot();
if (!mWasRoot) {
getDevice().enableAdbRoot();
}
cleanUp();
// Abandon all staged sessions
getDevice().executeShellCommand("pm install-abandon $(pm get-stagedsessions --only-ready "
+ "--only-parent --only-sessionid)");
}
@After
public void tearDown() throws Exception {
if (!mWasRoot) {
getDevice().disableAdbRoot();
}
cleanUp();
}
@Test
public void testSystemServerRestartDoesNotAffectStagedSessions() throws Exception {
runPhase("testSystemServerRestartDoesNotAffectStagedSessions_Commit");
restartSystemServer();
runPhase("testSystemServerRestartDoesNotAffectStagedSessions_Verify");
}
@Test
public void testStagedInstallationShouldCleanUpOnValidationFailure() throws Exception {
List<String> before = getStagingDirectories();
runPhase("testStagedInstallationShouldCleanUpOnValidationFailure");
List<String> after = getStagingDirectories();
assertThat(after).isEqualTo(before);
}
@Test
public void testStagedInstallationShouldCleanUpOnValidationFailureMultiPackage()
throws Exception {
List<String> before = getStagingDirectories();
runPhase("testStagedInstallationShouldCleanUpOnValidationFailureMultiPackage");
List<String> after = getStagingDirectories();
assertThat(after).isEqualTo(before);
}
@Test
public void testOrphanedStagingDirectoryGetsCleanedUpOnReboot() throws Exception {
//create random directories in /data/app-staging folder
getDevice().enableAdbRoot();
getDevice().executeShellCommand("mkdir /data/app-staging/session_123");
getDevice().executeShellCommand("mkdir /data/app-staging/random_name");
getDevice().disableAdbRoot();
assertThat(getStagingDirectories()).isNotEmpty();
getDevice().reboot();
assertThat(getStagingDirectories()).isEmpty();
}
private List<String> getStagingDirectories() throws DeviceNotAvailableException {
String baseDir = "/data/app-staging";
try {
getDevice().enableAdbRoot();
return getDevice().getFileEntry(baseDir).getChildren(false)
.stream().filter(entry -> entry.getName().matches("session_\\d+"))
.map(entry -> entry.getName())
.collect(Collectors.toList());
} catch (Exception e) {
// Return an empty list if any error
return Collections.EMPTY_LIST;
} finally {
getDevice().disableAdbRoot();
}
}
private void restartSystemServer() throws Exception {
// Restart the system server
long oldStartTime = getDevice().getProcessByName("system_server").getStartTime();
assertThat(getDevice().executeShellCommand("am restart")).contains("Restart the system");
// Wait for new system server process to start
long start = System.currentTimeMillis();
long newStartTime = oldStartTime;
while (System.currentTimeMillis() < start + SYSTEM_SERVER_TIMEOUT_MS) {
ProcessInfo newPs = getDevice().getProcessByName("system_server");
if (newPs != null) {
newStartTime = newPs.getStartTime();
if (newStartTime != oldStartTime) {
break;
}
}
Thread.sleep(500);
}
assertThat(newStartTime).isNotEqualTo(oldStartTime);
getDevice().waitForDeviceAvailable();
}
}
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