/*
    * Copyright (C) 2014, Matthias Sohn <matthias.sohn@sap.com>
    * and other copyright owners as documented in the project's IP log.
    *
    * This program and the accompanying materials are made available
    * under the terms of the Eclipse Distribution License v1.0 which
    * accompanies this distribution, is reproduced below, and is
    * available at http://www.eclipse.org/org/documents/edl-v10.php
    *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or
   * without modification, are permitted provided that the following
   * conditions are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above
   *   copyright notice, this list of conditions and the following
   *   disclaimer in the documentation and/or other materials provided
   *   with the distribution.
   *
   * - Neither the name of the Eclipse Foundation, Inc. nor the
   *   names of its contributors may be used to endorse or promote
   *   products derived from this software without specific prior
   *   written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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  package org.eclipse.jgit.http.test;
  
  import static org.junit.Assert.assertEquals;
  
  import java.util.Collection;
  import java.util.Collections;
  
  import javax.servlet.http.HttpServletRequest;
  
  import org.eclipse.jetty.servlet.ServletContextHandler;
  import org.eclipse.jetty.servlet.ServletHolder;
  import org.eclipse.jgit.errors.RepositoryNotFoundException;
  import org.eclipse.jgit.http.server.GitServlet;
  import org.eclipse.jgit.http.server.resolver.DefaultReceivePackFactory;
  import org.eclipse.jgit.junit.TestRepository;
  import org.eclipse.jgit.junit.http.HttpTestCase;
  import org.eclipse.jgit.lib.Constants;
  import org.eclipse.jgit.lib.NullProgressMonitor;
  import org.eclipse.jgit.lib.ObjectId;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.lib.StoredConfig;
  import org.eclipse.jgit.revwalk.RevBlob;
  import org.eclipse.jgit.revwalk.RevCommit;
  import org.eclipse.jgit.transport.PostReceiveHook;
  import org.eclipse.jgit.transport.PushResult;
  import org.eclipse.jgit.transport.ReceiveCommand;
  import org.eclipse.jgit.transport.ReceivePack;
  import org.eclipse.jgit.transport.RemoteRefUpdate;
  import org.eclipse.jgit.transport.Transport;
  import org.eclipse.jgit.transport.URIish;
  import org.eclipse.jgit.transport.resolver.RepositoryResolver;
  import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
  import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
  import org.junit.Before;
  import org.junit.Test;
  
  public class MeasurePackSizeTest extends HttpTestCase {
  	private Repository remoteRepository;
  
  	private URIish remoteURI;
  
  	long packSize = -1;
  
  	@Override
  	@Before
  	public void setUp() throws Exception {
  		super.setUp();
  
  		final TestRepository<Repository> src = createTestRepository();
  		final String srcName = src.getRepository().getDirectory().getName();
  
  		ServletContextHandler app = server.addContext("/git");
  		GitServlet gs = new GitServlet();
  		gs.setRepositoryResolver(new RepositoryResolver<HttpServletRequest>() {
  			@Override
  			public Repository open(HttpServletRequest req, String name)
  					throws RepositoryNotFoundException,
 					ServiceNotEnabledException {
 				if (!name.equals(srcName))
 					throw new RepositoryNotFoundException(name);
 
 				final Repository db = src.getRepository();
 				db.incrementOpen();
 				return db;
 			}
 		});
 		gs.setReceivePackFactory(new DefaultReceivePackFactory() {
 			@Override
 			public ReceivePack create(HttpServletRequest req, Repository db)
 					throws ServiceNotEnabledException,
 					ServiceNotAuthorizedException {
 				ReceivePack recv = super.create(req, db);
 				recv.setPostReceiveHook(new PostReceiveHook() {
 
 					@Override
 					public void onPostReceive(ReceivePack rp,
 							Collection<ReceiveCommand> commands) {
 						packSize = rp.getPackSize();
 					}
 				});
 				return recv;
 			}
 
 		});
 		app.addServlet(new ServletHolder(gs), "/*");
 
 		server.setUp();
 
 		remoteRepository = src.getRepository();
 		remoteURI = toURIish(app, srcName);
 
 		StoredConfig cfg = remoteRepository.getConfig();
 		cfg.setBoolean("http", null, "receivepack", true);
 		cfg.save();
 	}
 
 	@Test
 	public void testPush_packSize() throws Exception {
 		final TestRepository src = createTestRepository();
 		final RevBlob Q_txt = src
 				.blob("some blob content to measure pack size");
 		final RevCommit Q = src.commit().add("Q", Q_txt).create();
 		final Repository db = src.getRepository();
 		final String dstName = Constants.R_HEADS + "new.branch";
 		PushResult result;
 
 		try (Transport t = Transport.open(db, remoteURI)) {
 			final String srcExpr = Q.name();
 			final boolean forceUpdate = false;
 			final String localName = null;
 			final ObjectId oldId = null;
 
 			RemoteRefUpdate update = new RemoteRefUpdate(src.getRepository(),
 					srcExpr, dstName, forceUpdate, localName, oldId);
 			result = t.push(NullProgressMonitor.INSTANCE,
 					Collections.singleton(update));
 		}
 		assertEquals("expected 1 RemoteUpdate", 1, result.getRemoteUpdates()
 				.size());
 		assertEquals("unexpected pack size", 1398, packSize);
 	}
 
 }