src/com/android/tradefed/targetprep/ITargetPreparer.java

/*
 * 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;
import com.android.tradefed.invoker.TestInformation;
import com.android.tradefed.util.IDisableable;

/**
 * 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}s can be 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 extends IDisableable {

    /**
     * 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 BuildError If an error related to the BuildInfo occurs
     * @throws DeviceNotAvailableException if device became unresponsive
     * @deprecated Use {@link #setUp(TestInformation)} instead
     */
    @Deprecated
    public default void setUp(ITestDevice device, IBuildInfo buildInfo)
            throws TargetSetupError, BuildError, DeviceNotAvailableException {
        // Throw if not implemented: If the new interface is implemented this won't be called. If
        // something is calling the old interface instead of new one, then it will throw and report
        // the error.
        throw new UnsupportedOperationException(
                "setUp(ITestDevice, IBuildInfo) is deprecated. You need to update to the "
                        + "new setUp(TestInformation).");
    }

    /**
     * Perform the target setup for testing.
     *
     * @param testInformation The {@link TestInformation} of the invocation.
     * @throws TargetSetupError if fatal error occurred setting up environment
     * @throws BuildError If an error occurs due to the build being prepared
     * @throws DeviceNotAvailableException if device became unresponsive
     */
    public default void setUp(TestInformation testInformation)
            throws TargetSetupError, BuildError, DeviceNotAvailableException {
        setUp(testInformation.getDevice(), testInformation.getBuildInfo());
    }

    /**
     * Perform the target cleanup/teardown after testing.
     *
     * @param device the {@link ITestDevice} to prepare.
     * @param buildInfo data about the build under test.
     * @param e if the invocation ended with an exception, this will be the exception that was
     *     caught at the Invocation level. Otherwise, will be <code>null</code>.
     * @throws DeviceNotAvailableException if device became unresponsive
     * @deprecated Use {@link #tearDown(TestInformation, Throwable)} instead
     */
    @Deprecated
    public default void tearDown(ITestDevice device, IBuildInfo buildInfo, Throwable e)
            throws DeviceNotAvailableException {
        // Nothing by default.
    }

    /**
     * Perform the target cleanup/teardown after testing.
     *
     * @param testInformation The {@link TestInformation} of the invocation.
     * @param e if the invocation ended with an exception, this will be the exception that was
     *     caught at the Invocation level. Otherwise, will be <code>null</code>.
     * @throws DeviceNotAvailableException if device became unresponsive
     */
    public default void tearDown(TestInformation testInformation, Throwable e)
            throws DeviceNotAvailableException {
        tearDown(testInformation.getDevice(), testInformation.getBuildInfo(), e);
    }
}