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/*
* Copyright (C) 2015 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.testrunner.TestIdentifier;
import com.android.tradefed.config.OptionClass;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.IFileEntry;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.ITestInvocationListener;
import com.android.tradefed.result.LogDataType;
import com.android.tradefed.result.SnapshotInputStreamSource;
import com.android.tradefed.util.FileUtil;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* Camera2 stress test
* Since Camera stress test can drain the battery seriously. Need to split
* the test suite into separate test invocation for each test method.
* <p/>
*/
@OptionClass(alias = "camera2-stress")
public class Camera2StressTest extends CameraTestBase {
private static final String RESULT_FILE = "/sdcard/camera-out/stress.txt";
private static final String FAILURE_SCREENSHOT_DIR = "/sdcard/camera-screenshot/";
private static final String KEY_NUM_ATTEMPTS = "numAttempts";
private static final String KEY_ITERATION = "iteration";
public Camera2StressTest() {
setTestPackage("com.google.android.camera");
setTestClass("com.android.camera.stress.CameraStressTest");
setTestRunner("android.test.InstrumentationTestRunner");
setRuKey("CameraAppStress");
setTestTimeoutMs(6 * 60 * 60 * 1000); // 6 hours
setLogcatOnFailure(true);
}
/**
* {@inheritDoc}
*/
@Override
public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
runInstrumentationTest(listener, new CollectingListener(listener));
}
/**
* A listener to collect the output from test run and fatal errors
*/
private class CollectingListener extends DefaultCollectingListener {
public CollectingListener(ITestInvocationListener listener) {
super(listener);
}
@Override
public void testEnded(TestIdentifier test, Map<String, String> testMetrics) {
if (hasTestRunFatalError()) {
CLog.v("The instrumentation result not found. Fall back to get the metrics from a "
+ "log file. errorMsg: %s", getCollectingListener().getErrorMessage());
}
// For stress test, parse the metrics from a log file and overwrite the instrumentation
// results passed.
testMetrics = parseLog(test.getTestName());
postScreenshotOnFailure(test);
super.testEnded(test, testMetrics);
}
private void postScreenshotOnFailure(TestIdentifier test) {
try {
IFileEntry screenshotDir = getDevice().getFileEntry(FAILURE_SCREENSHOT_DIR);
if (screenshotDir != null && screenshotDir.isDirectory()) {
File tmpDir = FileUtil.createTempDir("screenshot");
for (IFileEntry remoteFile : screenshotDir.getChildren(false)) {
if (remoteFile.isDirectory()) {
continue;
}
if (!remoteFile.getName().contains(test.getTestName())) {
CLog.v("Skipping the screenshot (%s) that doesn't match the current "
+ "test (%s)", remoteFile.getName(), test.getTestName());
continue;
}
File screenshot = new File(tmpDir, remoteFile.getName());
if (!getDevice().pullFile(remoteFile.getFullPath(), screenshot)) {
CLog.w("Could not pull screenshot: %s", remoteFile.getFullPath());
continue;
}
testLog("screenshot_" + screenshot.getName(), LogDataType.PNG,
new SnapshotInputStreamSource(new FileInputStream(screenshot)));
}
}
} catch (DeviceNotAvailableException e) {
CLog.e(e);
} catch (IOException e) {
CLog.e(e);
}
}
// Return null if failed to parse the result file or the test didn't even start.
private Map<String, String> parseLog(String testName) {
Map<String, String> postMetrics = new HashMap<String, String>();
try {
File outputFile = FileUtil.createTempFile("stress", ".txt");
getDevice().pullFile(RESULT_FILE, outputFile);
if (outputFile == null) {
throw new DeviceNotAvailableException(String.format("Failed to pull the result"
+ "file: %s", RESULT_FILE), getDevice().getSerialNumber());
}
BufferedReader reader = new BufferedReader(new FileReader(outputFile));
String line;
Map<String, String> resultMap = new HashMap<String, String>();
// Parse results from log file that contain the key-value pairs.
// eg. "numAttempts=10|iteration=9"
while ((line = reader.readLine()) != null) {
String[] pairs = line.split("\\|");
for (String pair : pairs) {
String[] keyValue = pair.split("=");
// Each should be a pair of key and value.
String key = keyValue[0].trim();
String value = keyValue[1].trim();
resultMap.put(key, value);
CLog.v("%s: %s", key, value);
}
}
// Fail if a stress test doesn't start.
if (0 == Integer.parseInt(resultMap.get(KEY_NUM_ATTEMPTS))) {
CLog.w("Failed to start stress tests. test setup configured incorrectly?");
return null;
}
// Post the number of iterations only with the test name as key.
postMetrics.put(testName, resultMap.get(KEY_ITERATION));
} catch (IOException e) {
CLog.w("Couldn't parse the output log file: ", e);
} catch (DeviceNotAvailableException e) {
CLog.w("Could not pull file: %s, error: %s", RESULT_FILE, e);
} catch (NumberFormatException e) {
CLog.w("Could not find the key in file: %s, error: %s", KEY_NUM_ATTEMPTS, e);
}
return postMetrics;
}
}
}
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