IndexModificationTimesTest

/*
 * Copyright (C) 2012, Markus Duft <markus.duft@salomon.at>
 * 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
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 * http://www.eclipse.org/org/documents/edl-v10.php
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 * modification, are permitted provided that the following conditions are met:
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 * - Redistributions of source code must retain the above copyright notice, this
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 * - Redistributions in binary form must reproduce the above copyright notice,
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package org.eclipse.jgit.lib;

import static java.time.Instant.EPOCH;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.time.Instant;

import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.junit.Test;

public class IndexModificationTimesTest extends RepositoryTestCase {

	@Test
	public void testLastModifiedTimes() throws Exception {
		try (Git git = new Git(db)) {
			String path = "file";
			writeTrashFile(path, "content");
			String path2 = "file2";
			writeTrashFile(path2, "content2");

			git.add().addFilepattern(path).call();
			git.add().addFilepattern(path2).call();
			git.commit().setMessage("commit").call();

			DirCache dc = db.readDirCache();
			DirCacheEntry entry = dc.getEntry(path);
			DirCacheEntry entry2 = dc.getEntry(path);

			assertFalse("last modified shall not be the epoch!",
					entry.getLastModifiedInstant().equals(EPOCH));

			assertFalse("last modified shall not be the epoch!",
					entry2.getLastModifiedInstant().equals(EPOCH));

			writeTrashFile(path, "new content");
			git.add().addFilepattern(path).call();
			git.commit().setMessage("commit2").call();

			dc = db.readDirCache();
			entry = dc.getEntry(path);
			entry2 = dc.getEntry(path);

			assertFalse("last modified shall not be the epoch!",
					entry.getLastModifiedInstant().equals(EPOCH));

			assertFalse("last modified shall not be the epoch!",
					entry2.getLastModifiedInstant().equals(EPOCH));
		}
	}

	@Test
	public void testModify() throws Exception {
		try (Git git = new Git(db)) {
			String path = "file";
			writeTrashFile(path, "content");

			git.add().addFilepattern(path).call();
			git.commit().setMessage("commit").call();

			DirCache dc = db.readDirCache();
			DirCacheEntry entry = dc.getEntry(path);

			Instant masterLastMod = entry.getLastModifiedInstant();

			git.checkout().setCreateBranch(true).setName("side").call();

			Thread.sleep(10);
			String path2 = "file2";
			writeTrashFile(path2, "side content");
			git.add().addFilepattern(path2).call();
			git.commit().setMessage("commit").call();

			dc = db.readDirCache();
			entry = dc.getEntry(path);

			Instant sideLastMod = entry.getLastModifiedInstant();

			Thread.sleep(2000);

			writeTrashFile(path, "uncommitted content");
			git.checkout().setName("master").call();

			dc = db.readDirCache();
			entry = dc.getEntry(path);

			assertTrue("shall have equal mod time!",
					masterLastMod.equals(sideLastMod));
			assertTrue("shall have equal master timestamp!",
					entry.getLastModifiedInstant().equals(masterLastMod));
		}
	}

}