mocklib-checkins

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Update of /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/socket
In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv28952/input/javasrc/biz/xsoftware/examples/socket

Added Files:
	TestExample.java SysUnderTest.java OtherSubsystem.java 
	TCPSocket.java TCPSocketImpl.java 
Removed Files:
	MockServer.java.bak SysUnderTest.java.bak TesExample.java.bak 
	OtherSubsystem.java.bak TCPSocket.java.bak 
	TCPSocketImpl.java.bak TCPSocketMock.java.bak 
Log Message:
add behavior example and fix socket example.

--- MockServer.java.bak DELETED ---

--- TCPSocket.java.bak DELETED ---

--- TCPSocketMock.java.bak DELETED ---

--- TCPSocketImpl.java.bak DELETED ---

--- NEW FILE: OtherSubsystem.java ---
package biz.xsoftware.examples.socket;

import java.nio.ByteBuffer;

public interface OtherSubsystem {

	public ByteBuffer getUserData(int id);

	public void failedToSendUser(int id);
	
}

--- NEW FILE: TestExample.java ---
/*
 * 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.nio.ByteBuffer;

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

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

	/**
	 * @showcode
	 */
	public TestExample(String name) {
		super(name);
	}
	/**
	 * @showcode
	 */
	public void setUp() throws Exception {
		mockSubsys = MockObjectFactory.createMock(OtherSubsystem.class);
		mockSocket = MockObjectFactory.createMock(TCPSocket.class);
		
		sysUnderTest = new SysUnderTest((TCPSocket)mockSocket, (OtherSubsystem)mockSubsys);
	}
	/**
	 * @showcode
	 */
	public void tearDown() throws IOException {

	}
	
	/**
	 * 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(new IOException("problems writing to server"), "write");
		ByteBuffer buffer = ByteBuffer.allocate(100);
		buffer.put(new byte[] { 1, 2, 3, 4});
		buffer.flip();
		mockSubsys.addReturnValue(buffer, "getUserData");
		
		int id = 10;
		sysUnderTest.sendUserToServer(10);
		
		CalledMethod[] methods = mockSubsys.expect("getUserData", "failedToSendUser");
		CalledMethod getUserData = methods[0];
		CalledMethod failedToSend = methods[1];
		
		assertEquals(new Integer(id), getUserData.getAllParams()[0]);
		assertEquals(new Integer(id), failedToSend.getParameter(0));
	}

	
}

--- SysUnderTest.java.bak DELETED ---

--- NEW FILE: TCPSocketImpl.java ---
/*
 * 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 ---
/*
 * 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;

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

	private TCPSocket s;
	private OtherSubsystem userService;

	/**
	 * @showcode
	 */
	public SysUnderTest(TCPSocket s, OtherSubsystem userSvc) {
		this.s = s;
		this.userService = userSvc;
	}

	/**
	 * @showcode
	 */
	public void sendUserToServer(int id) {
		ByteBuffer userData = userService.getUserData(id);

		try {
			s.write(userData);
		} catch(IOException e) {
			userService.failedToSendUser(id);
		}
	}
}

--- TesExample.java.bak DELETED ---

--- OtherSubsystem.java.bak DELETED ---

--- NEW FILE: TCPSocket.java ---
/*
 * 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;
}