| /* |
| * Copyright (C) 2017 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.command.remote.DeviceDescriptor; |
| import com.android.tradefed.config.Option; |
| import com.android.tradefed.config.OptionClass; |
| import com.android.tradefed.device.DeviceNotAvailableException; |
| import com.android.tradefed.device.ITestDevice; |
| import com.android.tradefed.device.StubDevice; |
| import com.android.tradefed.invoker.TestInformation; |
| import com.android.tradefed.log.LogUtil.CLog; |
| |
| /** |
| * Target preparer that performs "adb root" or "adb unroot" based on option "force-root". |
| * |
| * <p>Will restore back to original root state on tear down. |
| */ |
| @OptionClass(alias = "root-preparer") |
| public final class RootTargetPreparer extends BaseTargetPreparer { |
| |
| private boolean mWasRoot = false; |
| |
| @Option( |
| name = "force-root", |
| description = |
| "Force the preparer to enable adb root if set to true. Otherwise, disable adb " |
| + "root during setup.") |
| private boolean mForceRoot = true; |
| |
| @Option( |
| name = "throw-on-error", |
| description = "Throws TargetSetupError if adb root/unroot fails") |
| private boolean mThrowOnError = true; |
| |
| @Override |
| public void setUp(TestInformation testInfo) |
| throws TargetSetupError, BuildError, DeviceNotAvailableException { |
| ITestDevice device = testInfo.getDevice(); |
| // Ignore setUp if it's a stub device, since there is no real device to set up. |
| if (device.getIDevice() instanceof StubDevice) { |
| return; |
| } |
| mWasRoot = device.isAdbRoot(); |
| if (!mWasRoot && mForceRoot && !device.enableAdbRoot()) { |
| throwOrLog("Failed to adb root device", device.getDeviceDescriptor()); |
| } else if (mWasRoot && !mForceRoot && !device.disableAdbRoot()) { |
| throwOrLog("Failed to adb unroot device", device.getDeviceDescriptor()); |
| } |
| } |
| |
| @Override |
| public void tearDown(TestInformation testInfo, Throwable e) throws DeviceNotAvailableException { |
| ITestDevice device = testInfo.getDevice(); |
| // Ignore tearDown if it's a stub device, since there is no real device to clean. |
| if (device.getIDevice() instanceof StubDevice) { |
| return; |
| } |
| if (!mWasRoot && mForceRoot) { |
| device.disableAdbRoot(); |
| } else if (mWasRoot && !mForceRoot) { |
| device.enableAdbRoot(); |
| } |
| } |
| |
| private void throwOrLog(String message, DeviceDescriptor deviceDescriptor) |
| throws TargetSetupError { |
| if (mThrowOnError) { |
| throw new TargetSetupError(message, deviceDescriptor); |
| } else { |
| CLog.w(message + " " + deviceDescriptor); |
| } |
| } |
| } |