测试开启前的设备系统准备工作。

接口

/*
 * Copyright (C) 2010 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.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;

/**
 * Prepares the test environment for the test run.
 * <p/>
 * For example, installs software, tweaks env settings for testing, launches targets etc.
 * <p/>
 * Note that multiple {@link ITargetPreparer} can specified in a configuration. It is recommended
 * that each ITargetPreparer clearly document its expected environment pre-setup and post-setUp.
 * e.g. a ITargetPreparer that configures a device for testing must be run after the ITargetPreparer
 * that installs software.
 */
public interface ITargetPreparer {

    /**
     * Perform the target setup for testing.
     *
     * @param device the {@link ITestDevice} to prepare.
     * @param buildInfo data about the build under test.
     * @throws TargetSetupError if fatal error occurred setting up environment
     * @throws DeviceNotAvailableException if device became unresponsive
     */
    public void setUp(ITestDevice device, IBuildInfo buildInfo) throws TargetSetupError,
            BuildError, DeviceNotAvailableException;
}

实现类

/*
 * Copyright (C) 2010 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.ddmlib.Log;
import com.android.tradefed.build.IBuildInfo;
import com.android.tradefed.device.ITestDevice;

/**
 * Placeholder empty implementation of a {@link ITargetPreparer}.
 */
public class StubTargetPreparer implements ITargetPreparer {

    /**
     * {@inheritDoc}
     */
    @Override
    public void setUp(ITestDevice device, IBuildInfo buildInfo) throws TargetSetupError {
        Log.d("TargetPreparer", "skipping target prepare step");
    }
}

Cts框架解析(12)-ITargetPreparer