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/*
* Copyright (C) 2013 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.tradefed.targetprep;
import com.android.tradefed.build.IBuildInfo;
import com.android.tradefed.build.VersionedFile;
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 java.io.File;
/**
* A {@link ITargetPreparer} that pushes all {@link IBuildInfo#getFiles()} to specific path on
* device.
*/
public class AdditionalFilesInstaller implements ITargetPreparer, ITargetCleaner {
// TODO: make this an option
private final String DEST_PATH = "/data/local/tmp/";
@Option(name = "uninstall", description = "remove all contents after test completes.")
private boolean mUninstall = true;
// TODO: add a filter options to allow selective pushing of files
/**
* {@inheritDoc}
*/
@Override
public void setUp(ITestDevice device, IBuildInfo buildInfo) throws TargetSetupError,
BuildError, DeviceNotAvailableException {
removeFiles(device);
for (VersionedFile buildFile : buildInfo.getFiles()) {
File file = buildFile.getFile();
CLog.d("Examining build file %s", file.getName());
String remotePath = String.format("%s%s", DEST_PATH, file.getName());
CLog.d("Pushing %s to %s", file.getName(), remotePath);
if (!device.pushFile(file, remotePath)) {
throw new TargetSetupError(String.format("Failed to push %s to %s",
file.getName(), remotePath));
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void tearDown(ITestDevice device, IBuildInfo buildInfo, Throwable t)
throws DeviceNotAvailableException {
try {
removeFiles(device);
} catch (TargetSetupError e) {
CLog.e(e);
}
}
/**
* Remove all files from dest path, if --uninstall option is set/
*
* @param device the {@link ITestDevice} to use
* @throws DeviceNotAvailableException if communication was lost with device.
* @throws TargetSetupError if failed to remove contents after 3 attempts
*/
private void removeFiles(ITestDevice device) throws DeviceNotAvailableException,
TargetSetupError {
if (mUninstall) {
for (int i=0; i < 3; i++) {
device.executeShellCommand(String.format("rm -r %s*", DEST_PATH));
if (!hasContents(device, DEST_PATH)) {
return;
}
}
throw new TargetSetupError(String.format("failed to remove files from %s", DEST_PATH));
}
}
/**
* Check for presence of any files in <var>path</var> on <var>device</var>.
*
* @param device the {@link ITestDevice} to use
* @param path the absolute file system path to check
* @return true if path has contents, false otherwise
* @throws DeviceNotAvailableException if communication was lost with device.
*/
private boolean hasContents(ITestDevice device, String path)
throws DeviceNotAvailableException {
return device.executeShellCommand(String.format("ls %s", path)).trim().length() > 0;
}
}
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