/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.hive.hcatalog.templeton;

import java.io.IOException;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;

/*
 * Helper class to generate mocked response.
 */
public class MockAnswerTestHelper<T> {
  public Answer<T> getIOExceptionAnswer() {
    return new Answer<T>() {
      @Override
      public T answer(InvocationOnMock invocation) throws Exception {
        throw new IOException("IOException raised manually.");
      }
    };
  }

  public Answer<T> getOutOfMemoryErrorAnswer() {
    return new Answer<T>() {
      @Override
      public T answer(InvocationOnMock invocation) throws OutOfMemoryError {
        throw new OutOfMemoryError("OutOfMemoryError raised manually.");
      }
    };
  }

  public Answer<T> getDelayedResonseAnswer(final int delayInSeconds, final T response) {
    return new Answer<T>() {
      @Override
      public T answer(InvocationOnMock invocation) throws InterruptedException {
        Thread.sleep(1000 * delayInSeconds);
        return response;
      }
    };
  }
}