/*
    * Copyright (C) 2011, Christian Halstrick <christian.halstrick@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
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package org.eclipse.jgit.api;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.eclipse.jgit.api.ListBranchCommand.ListMode;
  import org.eclipse.jgit.api.errors.GitAPIException;
  import org.eclipse.jgit.api.errors.JGitInternalException;
  import org.eclipse.jgit.errors.RepositoryNotFoundException;
  import org.eclipse.jgit.junit.RepositoryTestCase;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.util.FileUtils;
  import org.junit.Before;
  import org.junit.Test;
  
  public class GitConstructionTest extends RepositoryTestCase {
  	private Repository bareRepo;
  
  	@Override
  	@Before
  	public void setUp() throws Exception {
  		super.setUp();
  		try (Git git = new Git(db)) {
  			git.commit().setMessage("initial commit").call();
  			writeTrashFile("Test.txt", "Hello world");
  			git.add().addFilepattern("Test.txt").call();
  			git.commit().setMessage("Initial commit").call();
  		}
  
  		bareRepo = Git.cloneRepository().setBare(true)
  				.setURI(db.getDirectory().toURI().toString())
  				.setDirectory(createUniqueTestGitDir(true)).call()
  				.getRepository();
  		addRepoToClose(bareRepo);
  	}
  
  	@Test
  	public void testWrap() throws JGitInternalException, GitAPIException {
  		Git git = Git.wrap(db);
  		assertEquals(1, git.branchList().call().size());
  
  		git = Git.wrap(bareRepo);
  		assertEquals(1, git.branchList().setListMode(ListMode.ALL).call()
  				.size());
  
  		try {
  			Git.wrap(null);
  			fail("Expected exception has not been thrown");
  		} catch (NullPointerException e) {
  			// should not get here
  		}
  	}
  
  	@Test
 	public void testOpen() throws IOException, JGitInternalException,
 			GitAPIException {
 		Git git = Git.open(db.getDirectory());
 		assertEquals(1, git.branchList().call().size());
 
 		git = Git.open(bareRepo.getDirectory());
 		assertEquals(1, git.branchList().setListMode(ListMode.ALL).call()
 				.size());
 
 		git = Git.open(db.getWorkTree());
 		assertEquals(1, git.branchList().setListMode(ListMode.ALL).call()
 				.size());
 
 		try {
 			Git.open(db.getObjectsDirectory());
 			fail("Expected exception has not been thrown");
 		} catch (RepositoryNotFoundException e) {
 			// should not get here
 		}
 	}
 
 	@Test
 	/**
 	 * Tests that a repository with packfiles can be deleted after calling
 	 * Git.close(). On Windows the first try to delete the worktree will fail
 	 * (because file handles on packfiles are still open) but the second
 	 * attempt after a close will succeed.
 	 *
 	 * @throws IOException
 	 * @throws JGitInternalException
 	 * @throws GitAPIException
 	 */
 	public void testClose() throws IOException, JGitInternalException,
 			GitAPIException {
 		File workTree = db.getWorkTree();
 		Git git = Git.open(workTree);
 		git.gc().setExpire(null).call();
 		git.checkout().setName(git.getRepository().resolve("HEAD^").getName())
 				.call();
 		try {
 			FileUtils.delete(workTree, FileUtils.RECURSIVE);
 		} catch (IOException e) {
 			git.close();
 			FileUtils.delete(workTree, FileUtils.RECURSIVE);
 		}
 	}
 }