/*
 * Copyright (C) 2012, Katy Hilgenberg.
 * Special acknowledgments to: Knowledge & Data Engineering Group, University of Kassel (http://www.kde.cs.uni-kassel.de).
 * Contact: sdcf@cs.uni-kassel.de
 *
 * This file is part of the SDCFramework (Sensor Data Collection Framework) project.
 *
 * The SDCFramework is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The SDCFramework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the SDCFramework.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.unikassel.android.sdcframework.transmission.tests;


import de.unikassel.android.sdcframework.test.ConnectivityWrapperForTest;
import de.unikassel.android.sdcframework.transmission.AbstractConnectionStrategy;
import de.unikassel.android.sdcframework.transmission.FailSafeProtocol;
import de.unikassel.android.sdcframework.transmission.facade.ConnectivityWrapper;
import de.unikassel.android.sdcframework.transmission.facade.ProtocolStrategy;
import android.test.AndroidTestCase;

/**
 * @author Katy Hilgenberg
 * 
 */
public class TestAbstractConnectionStrategy
    extends AndroidTestCase
{
  
  /*
   * (non-Javadoc)
   * 
   * @see android.test.AndroidTestCase#setUp()
   */
  protected void setUp() throws Exception
  {
    super.setUp();
  }
  
  /*
   * (non-Javadoc)
   * 
   * @see android.test.AndroidTestCase#tearDown()
   */
  protected void tearDown() throws Exception
  {
    super.tearDown();
  }
  
  /**
   * Test implementation of abstract connection strategy
   * 
   * @author Katy Hilgenberg
   * 
   */
  private final class TestConnectionStrategy
      extends AbstractConnectionStrategy
  {
    /**
     * Constructor 
     * @param connectivityWrapper the connectivity wrapper
     */
    public TestConnectionStrategy( ConnectivityWrapper connectivityWrapper )
    {
      super( connectivityWrapper, null );
    }

    /**
     * The connection availability flag return by isConnectionAvailable funtion
     */
    public boolean isConnectionAvailable;
    
    /*
     * (non-Javadoc)
     * 
     * @see
     * de.unikassel.android.sdcframework.transmission.facade.ConnectionStrategy
     * #isConnectionAvailable
     * (de.unikassel.android.sdcframework.transmission.facade.ProtocolStrategy)
     */
    @Override
    public boolean isConnectionAvailable( ProtocolStrategy protocolStrategy )
    {
      return isConnectionAvailable;
    }
  }
  
  /**
   * Test method for construction
   */
  public final void testAbstractConnectionStrategy()
  {
    ConnectivityWrapper connectivityWrapper = new ConnectivityWrapperForTest();
    
    // test construction with invalid parameter
    try
    {
      new TestConnectionStrategy( null );
      fail( "Expected InvalidParameterException" );
    }
    catch ( Exception e )
    {}
    
    // test construction with valid parameter
    try
    {
      new TestConnectionStrategy( connectivityWrapper  );
      
    }
    catch ( Exception e )
    {
      fail( "Unexpected exception" );
    }
  }
  
  /**
   * Test method for
   * {@link de.unikassel.android.sdcframework.transmission.AbstractConnectionStrategy#doWork(de.unikassel.android.sdcframework.transmission.facade.ProtocolStrategy)}
   * .
   */
  public final void testDoWorkProtocolStrategy()
  {
    ProtocolStrategy protocolStrategy = new FailSafeProtocol( getContext() );

    ConnectivityWrapperForTest connectivityWrapper = new ConnectivityWrapperForTest();
    TestConnectionStrategy strategy = new TestConnectionStrategy( connectivityWrapper  );
    
    strategy.isConnectionAvailable = true;
    assertTrue( "Expected strategy returning true", strategy.doWork( protocolStrategy  ) );
    
    strategy.isConnectionAvailable = false;
    assertFalse( "Expected strategy returning false", strategy.doWork( protocolStrategy  ) );
  }
}