/*
 * Copyright (C) 2012, 2014 IBM Corporation and others.
 * 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.pgm;

import static org.junit.Assert.assertEquals;

import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.CLIRepositoryTestCase;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.revwalk.RevCommit;
import org.junit.Before;
import org.junit.Test;

public class BranchTest extends CLIRepositoryTestCase {
	@Override
	@Before
	public void setUp() throws Exception {
		super.setUp();
		new Git(db).commit().setMessage("initial commit").call();
	}

	@Test
	public void testList() throws Exception {
		assertEquals("* master 6fd41be initial commit",
				execute("git branch -v")[0]);
	}

	@Test
	public void testListDetached() throws Exception {
		RefUpdate updateRef = db.updateRef(Constants.HEAD, true);
		updateRef.setNewObjectId(db.resolve("6fd41be"));
		updateRef.update();
		assertEquals("* (no branch) 6fd41be initial commit",
				execute("git branch -v")[0]);
	}

	@Test
	public void testListContains() throws Exception {
		new Git(db).branchCreate().setName("initial").call();
		RevCommit second = new Git(db).commit().setMessage("second commit")
				.call();
		assertArrayOfLinesEquals(new String[] { "  initial", "* master", "" },
				execute("git branch --contains 6fd41be"));
		assertArrayOfLinesEquals(new String[] { "* master", "" },
				execute("git branch --contains " + second.name()));
	}

	@Test
	public void testExistingBranch() throws Exception {
		assertEquals("fatal: A branch named 'master' already exists.",
				execute("git branch master")[0]);
	}
}