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/*
* Copyright (C) 2011 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.media.tests;
import com.android.ddmlib.IDevice;
import com.android.ddmlib.testrunner.IRemoteAndroidTestRunner;
import com.android.ddmlib.testrunner.RemoteAndroidTestRunner;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.FileInputStreamSource;
import com.android.tradefed.result.ITestInvocationListener;
import com.android.tradefed.result.InputStreamSource;
import com.android.tradefed.result.LogDataType;
import com.android.tradefed.testtype.IDeviceTest;
import com.android.tradefed.testtype.IRemoteTest;
import com.android.tradefed.util.FileUtil;
import com.android.tradefed.util.StreamUtil;
import com.android.tradefed.util.proto.TfMetricProtoUtil;
import org.junit.Assert;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Runs the Media stress testcases.
* FIXME: more details
* <p/>
* Note that this test will not run properly unless /sdcard is mounted and writable.
*/
public class MediaStressTest implements IDeviceTest, IRemoteTest {
ITestDevice mTestDevice = null;
private static final String METRICS_RUN_NAME = "VideoRecordingStress";
//Max test timeout - 2 hrs
private static final int MAX_TEST_TIMEOUT = 2 * 60 * 60 * 1000;
// Constants for running the tests
private static final String TEST_CLASS_NAME =
"com.android.mediaframeworktest.stress.MediaRecorderStressTest";
private static final String TEST_PACKAGE_NAME = "com.android.mediaframeworktest";
private static final String TEST_RUNNER_NAME = ".MediaRecorderStressTestRunner";
// Constants for parsing the output file
private static final Pattern EXPECTED_LOOP_COUNT_PATTERN =
Pattern.compile("Total number of loops:\\s*(\\d+)");
private static final Pattern ACTUAL_LOOP_COUNT_PATTERN =
Pattern.compile("No of loop:.*,\\s*(\\d+)\\s*");
private static final String OUTPUT_PATH = "mediaStressOutput.txt";
@Override
public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
Assert.assertNotNull(mTestDevice);
IRemoteAndroidTestRunner runner = new RemoteAndroidTestRunner(TEST_PACKAGE_NAME,
TEST_RUNNER_NAME, mTestDevice.getIDevice());
runner.setClassName(TEST_CLASS_NAME);
runner.setMaxTimeToOutputResponse(MAX_TEST_TIMEOUT, TimeUnit.MILLISECONDS);
cleanTmpFiles();
mTestDevice.runInstrumentationTests(runner, listener);
logOutputFile(listener);
cleanTmpFiles();
}
/**
* Clean up temp files from test runs
*/
private void cleanTmpFiles() throws DeviceNotAvailableException {
String extStore = mTestDevice.getMountPoint(IDevice.MNT_EXTERNAL_STORAGE);
mTestDevice.executeShellCommand(String.format("rm %s/temp*.3gp", extStore));
mTestDevice.executeShellCommand(String.format("rm %s/%s", extStore, OUTPUT_PATH));
}
/**
* Pull the output file from the device, add it to the logs, and also parse out the relevant
* test metrics and report them.
*/
private void logOutputFile(ITestInvocationListener listener)
throws DeviceNotAvailableException {
File outputFile = null;
InputStreamSource outputSource = null;
try {
outputFile = mTestDevice.pullFileFromExternal(OUTPUT_PATH);
if (outputFile == null) {
return;
}
CLog.d("Sending %d byte file %s into the logosphere!", outputFile.length(), outputFile);
outputSource = new FileInputStreamSource(outputFile);
listener.testLog(OUTPUT_PATH, LogDataType.TEXT, outputSource);
parseOutputFile(outputFile, listener);
} finally {
FileUtil.deleteFile(outputFile);
StreamUtil.cancel(outputSource);
}
}
/**
* Parse the relevant metrics from the Instrumentation test output file
*/
private void parseOutputFile(File outputFile, ITestInvocationListener listener) {
Map<String, String> runMetrics = new HashMap<>();
Map<String, String> stanzaKeyMap = new HashMap<>();
stanzaKeyMap.put("testStressRecordVideoAndPlayback1080P", "VideoRecordPlayback1080P");
stanzaKeyMap.put("testStressRecordVideoAndPlayback720P", "VideoRecordPlayback720P");
stanzaKeyMap.put("testStressRecordVideoAndPlayback480P", "VideoRecordPlayback480P");
stanzaKeyMap.put("testStressTimeLapse", "TimeLapseRecord");
// try to parse it
String contents;
try {
InputStream dataStream = new FileInputStream(outputFile);
contents = StreamUtil.getStringFromStream(dataStream);
} catch (IOException e) {
CLog.e("IOException while parsing the output file:");
CLog.e(e);
return;
}
List<String> lines = Arrays.asList(contents.split("\n"));
ListIterator<String> lineIter = lines.listIterator();
String line;
while (lineIter.hasNext()) {
line = lineIter.next();
String key = null;
if (stanzaKeyMap.containsKey(line)) {
key = stanzaKeyMap.get(line);
} else {
CLog.d("Got unexpected line: %s", line);
continue;
}
Integer countExpected = getIntFromOutput(lineIter, EXPECTED_LOOP_COUNT_PATTERN);
Integer countActual = getIntFromOutput(lineIter, ACTUAL_LOOP_COUNT_PATTERN);
int value = coalesceLoopCounts(countActual, countExpected);
runMetrics.put(key, Integer.toString(value));
}
reportMetrics(listener, runMetrics);
}
/**
* Report run metrics by creating an empty test run to stick them in
* <p />
* Exposed for unit testing
*/
void reportMetrics(ITestInvocationListener listener, Map<String, String> metrics) {
// Create an empty testRun to report the parsed runMetrics
CLog.d("About to report metrics: %s", metrics);
listener.testRunStarted(METRICS_RUN_NAME, 0);
listener.testRunEnded(0, TfMetricProtoUtil.upgradeConvert(metrics));
}
/**
* Use the provided {@link Pattern} to parse a number out of the output file
*/
private Integer getIntFromOutput(ListIterator<String> lineIter, Pattern numPattern) {
Integer retval = null;
String line = null;
if (lineIter.hasNext()) {
line = lineIter.next();
Matcher m = numPattern.matcher(line);
if (m.matches()) {
retval = Integer.parseInt(m.group(1));
} else {
CLog.e("Couldn't match pattern %s against line '%s'", numPattern, line);
}
} else {
CLog.e("Encounted EOF while trying to match pattern %s", numPattern);
}
return retval;
}
/**
* Given an actual and an expected iteration count, determine a single metric to report.
*/
private int coalesceLoopCounts(Integer actual, Integer expected) {
if (expected == null || expected <= 0) {
return -1;
} else if (actual == null) {
return expected;
} else {
return actual;
}
}
@Override
public void setDevice(ITestDevice device) {
mTestDevice = device;
}
@Override
public ITestDevice getDevice() {
return mTestDevice;
}
}
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