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/*
* Copyright (C) 2012 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.config.Option;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.BugreportCollector;
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.StreamUtil;
import org.junit.Assert;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.ListIterator;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Camera zoom stress test that increments the camera's zoom level across the
* entire range [min, max], taking a picture at each level.
*/
public class CameraSettingsTest implements IDeviceTest, IRemoteTest {
private static final String ZOOM_STANZA = "testStressCameraZoom";
private static final String SCENE_MODES_STANZA = "testStressCameraSceneModes";
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+)$");
private static final String TEST_CLASS_NAME =
"com.android.mediaframeworktest.stress.CameraStressTest";
private static final String TEST_PACKAGE_NAME = "com.android.mediaframeworktest";
private static final String TEST_RUNNER_NAME =
"com.android.mediaframeworktest.CameraStressTestRunner";
private static final String TEST_RU = "CameraApplicationStress";
private final String mOutputPath = "cameraStressOutput.txt";
private static final int MAX_TIME_OUT = 90 * 60 * 1000; //90 mins
@Option(name="testMethodName", description="Used to specify a specific test method to run")
private String mTestMethodName = null;
ITestDevice mTestDevice = null;
/**
* {@inheritDoc}
*/
@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);
if (mTestMethodName != null) {
runner.setMethodName(TEST_CLASS_NAME, mTestMethodName);
}
runner.setMaxTimeToOutputResponse(MAX_TIME_OUT, TimeUnit.MILLISECONDS);
BugreportCollector bugListener = new BugreportCollector(listener, mTestDevice);
bugListener.addPredicate(BugreportCollector.AFTER_FAILED_TESTCASES);
bugListener.setDescriptiveName(this.getClass().getName());
Assert.assertTrue(mTestDevice.runInstrumentationTests(runner, bugListener));
Map<String, String> metrics = parseOutputFile();
reportMetrics(bugListener, TEST_RU, metrics);
cleanupDevice();
}
/**
* {@inheritDoc}
*/
@Override
public void setDevice(ITestDevice device) {
mTestDevice = device;
}
/**
* {@inheritDoc}
*/
@Override
public ITestDevice getDevice() {
return mTestDevice;
}
/**
* Wipes the device's external memory of test collateral from prior runs.
*
* @throws DeviceNotAvailableException If the device is unavailable or
* something happened while deleting files
*/
private void cleanupDevice() throws DeviceNotAvailableException {
String extStore = mTestDevice.getMountPoint(IDevice.MNT_EXTERNAL_STORAGE);
mTestDevice.executeShellCommand(String.format("rm %s/%s", extStore, mOutputPath));
}
/**
* Parses the output file generated by the underlying instrumentation test
* and returns it to the main driver for later reporting.
*
* @return The {@link Map} that contains metrics for the test.
* @throws DeviceNotAvailableException If the device is unavailable or
* something happened while deleting files
*/
private Map<String, String> parseOutputFile() throws DeviceNotAvailableException {
File outputFile = null;
BufferedReader reader = null;
ArrayList<String> lines = new ArrayList<String>();
String line = null;
String key = null;
Integer expectedCount = null;
Integer actualCount = null;
ListIterator<String> listIterator = null;
Map<String, String> metrics = new HashMap<String, String>();
// Read in data
try {
outputFile = mTestDevice.pullFileFromExternal(mOutputPath);
reader = new BufferedReader(new FileReader(outputFile));
while ((line = reader.readLine()) != null) {
if (!line.isEmpty()) {
lines.add(line);
}
}
} catch (IOException e) {
CLog.e(String.format("IOException reading from file: %s", e.toString()));
} finally {
StreamUtil.close(reader);
}
// Output file looks like:
// Test name:
// Total number of loops: 123
// No of loop: 0, 1, 2, 3, ..., 122 (0 based)
// Note that the actual count should be +1 as the # of loop is 0 based.
listIterator = lines.listIterator();
while (listIterator.hasNext()) {
line = listIterator.next();
CLog.d(String.format("Parsing line: \"%s\"", line));
if (ZOOM_STANZA.equals(line)) {
key = "CameraZoom";
} else if (SCENE_MODES_STANZA.equals(line)) {
key = "CameraSceneMode";
}
Matcher expectedMatcher = EXPECTED_LOOP_COUNT_PATTERN.matcher(line);
if (expectedMatcher.matches()) {
expectedCount = Integer.valueOf(expectedMatcher.group(3));
CLog.d(String.format("Found expected count for key \"%s\": %s",
key, expectedCount));
}
Matcher actualMatcher = ACTUAL_LOOP_COUNT_PATTERN.matcher(line);
if (actualMatcher.matches()) {
actualCount = 1 + Integer.valueOf(actualMatcher.group(3));
CLog.d(String.format("Found actual count for key \"%s\": %s", key, actualCount));
}
if ((key != null) && (expectedCount != null) && (actualCount != null)) {
metrics.put(key, String.format("%d", actualCount));
key = null;
expectedCount = null;
actualCount = null;
}
}
return metrics;
}
/**
* Report run metrics by creating an empty test run to stick them in.
*
* @param listener The {@link ITestInvocationListener} of test results
* @param runName The test name
* @param metrics The {@link Map} that contains metrics for the given test
*/
private void reportMetrics(ITestInvocationListener listener, String runName,
Map<String, String> metrics) {
InputStreamSource bugreport = mTestDevice.getBugreport();
listener.testLog("bugreport", LogDataType.BUGREPORT, bugreport);
bugreport.cancel();
CLog.d(String.format("About to report metrics: %s", metrics));
listener.testRunStarted(runName, 0);
listener.testRunEnded(0, metrics);
}
}
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