[Mocklib-checkins] mocklib3/input/javasrc/biz/xsoftware/examples/socket TCPSocketMock.java.bak, NONE, 1.1 MockServer.java.bak, NONE, 1.1 TesExample.java.bak, NONE, 1.1 SysUnderTest.java.bak, NONE, 1.1 OtherSubsystem.java.bak, NONE, 1.1 TCPSocket.java.bak, NONE, 1.1 TCPSocketImpl.java.bak, NONE, 1.1

[Nobody <fas...@us...>]

Update of /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/socket
In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv29004/input/javasrc/biz/xsoftware/examples/socket

Added Files:
	TCPSocketMock.java.bak MockServer.java.bak TesExample.java.bak 
	SysUnderTest.java.bak OtherSubsystem.java.bak 
	TCPSocket.java.bak TCPSocketImpl.java.bak 
Log Message:
add files that will be used later.

--- NEW FILE: MockServer.java.bak ---
/*
 * Created on Jul 3, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

import java.net.InetSocketAddress;

/**
 * The MockServer that the SysUnderTest talks to.
 * 
 * @author Dean Hiller
 */
public class MockServer {
	/**
	 * @showcode
	 */
	public InetSocketAddress start() {
		return null;
	}
	/**
	 * @showcode
	 */
	public void stop() {
		
	}
	/**
	 * @showcode
	 */
	public void closeSocket() {
		
	}
}

--- NEW FILE: TCPSocket.java.bak ---
/*
 * Created on Jul 3, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

import java.io.IOException;
import java.nio.ByteBuffer;

/**
 * Abstraction of a Socket to allow testing.
 * 
 * @author Dean Hiller
 */
public interface TCPSocket {

	public int read(ByteBuffer b) throws IOException;
	
	public int write(ByteBuffer b) throws IOException;
}

--- NEW FILE: TCPSocketMock.java.bak ---
/*
 * Created on Jul 3, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

import java.io.IOException;
import java.nio.ByteBuffer;

import biz.xsoftware.mock.MockSuperclass;

/**
 * A mock TCPSocket.
 * @see TCPSocket
 * @author Dean Hiller
 */
public class TCPSocketMock extends MockSuperclass implements TCPSocket {

	public final static String READ_METHOD = "read method";
	public final static String WRITE_METHOD = "write method";
	
	private TCPSocketImpl socket;
	/**
	 * @showcode
	 */
	public TCPSocketMock(TCPSocketImpl socket) {
		this.socket = socket;
	}
	/**
	 * @showcode
	 */
	public int read(ByteBuffer b) throws IOException {
		//allows us to throw Exceptions like the network went down!!!
		methodCalled(READ_METHOD, b);
		return socket.read(b);
	}
	/**
	 * @showcode
	 */
	public int write(ByteBuffer b) throws IOException {
		//allows us to throw Exceptions like the network went down!!!
		methodCalled(WRITE_METHOD, b);
		return socket.read(b);
	}
	
	/* (non-Javadoc)
	 * @see biz.xsoftware.mock.MockSuperclass#getClasses()
	 */
	public Class[] getClasses() {
		return null;
	}
	public Object inst() {
		// TODO Auto-generated method stub
		return null;
	}

}

--- NEW FILE: TCPSocketImpl.java.bak ---
/*
 * Created on Jul 3, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

import java.io.IOException;
import java.net.Socket;
import java.nio.ByteBuffer;

/**
 * The real implementation behind TCPSocket.
 * 
 * @author Dean Hiller
 */
public class TCPSocketImpl implements TCPSocket {

	private Socket socket;
	/**
	 * @showcode
	 */
	public TCPSocketImpl(Socket s) {
		socket = s;
	}

	/**
	 * @see biz.xsoftware.examples.socket.TCPSocket#read(java.nio.ByteBuffer)
	 * @showcode
	 */
	public int read(ByteBuffer b) throws IOException {
		return socket.getChannel().read(b);
	}

	/**
	 * @see biz.xsoftware.examples.socket.TCPSocket#write(java.nio.ByteBuffer)
	 * @showcode
	 */
	public int write(ByteBuffer b) throws IOException {
		return socket.getChannel().write(b);
	}
}

--- NEW FILE: SysUnderTest.java.bak ---
/*
 * Created on Jul 3, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

/**
 * SysUnderTest that uses TCPSockets to talk to a server.
 * 
 * @author Dean Hiller
 */
public class SysUnderTest {

	/**
	 * @showcode
	 */
	public SysUnderTest(TCPSocket s, OtherSubsystem mockSubsys) {
		
	}

	/**
	 * @showcode
	 */
	public void sendDataToServer() {

	}
}

--- NEW FILE: TesExample.java.bak ---
/*
 * Created on Jun 28, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;

import junit.framework.TestCase;
import biz.xsoftware.mock.MockObjectFactory;
import biz.xsoftware.mock.MockObject;

/**
 * JUnit Suite of TestCases for demonstrating mocking out socket
 * interfaces to test network failures.
 * 
 * @author Dean Hiller
 */
public class TesExample extends TestCase {
	
	private SysUnderTest sysUnderTest;
	private MockObject mockSubsys;
	private TCPSocketMock mockSocket;
	private MockServer mockServer;
	private Socket s;

	/**
	 * @showcode
	 */
	public TesExample(String name) {
		super(name);
	}
	/**
	 * @showcode
	 */
	public void setUp() throws Exception {
		s = new Socket();
		mockServer = new MockServer();
		InetSocketAddress serverAddr = mockServer.start();
		InetAddress localHost = InetAddress.getLocalHost();
		s.bind(new InetSocketAddress(localHost, 0));
		s.connect(serverAddr);
		TCPSocketImpl tcpSock = new TCPSocketImpl(s);
		mockSocket = new TCPSocketMock(tcpSock);
		mockSubsys = MockObjectFactory.createMock(OtherSubsystem.class);
		
		sysUnderTest = new SysUnderTest(mockSocket, (OtherSubsystem)mockSubsys);
	}
	/**
	 * @showcode
	 */
	public void tearDown() throws IOException {
		mockServer.stop();
		s.close();
	}
	
	/**
	 * Test that upon network problems like IOException when writing to server
	 * that other subsystems get cleaned up properly.  The simple test below 
	 * shows how this can be done and extended to more complicated network
	 * recovery algorithms.
	 * 
	 * @showcode
	 */
	public void testNetworkProblems() {
		mockSocket.addThrowException("write", new IOException("problems writing to server"));
		
		sysUnderTest.sendDataToServer();
		
		mockSubsys.expectCall("cleanup");
	}

	/**
	 * Test that when the server unexpectedly closes it's socket, the system
	 * tears down correctly on this unexpected event.
	 * 
	 * @showcode
	 */
	public void testServerClosingSocket() {
		mockServer.closeSocket();
		
		mockSubsys.expectCall("cleanup");
	}
}

--- NEW FILE: OtherSubsystem.java.bak ---
/*
 * Created on Jul 3, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package biz.xsoftware.examples.socket;

/**
 * Some other subsystem.
 * @author Dean Hiller
 */
public interface OtherSubsystem {

	public void cleanup();
}