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/*
* Copyright (C) 2012-2013, Robin Rosenberg <robin.rosenberg@dewire.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.util;
import static java.time.Instant.EPOCH;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.FileTime;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFilePermission;
import java.time.Duration;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.eclipse.jgit.errors.CommandFailedException;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.RepositoryCache;
import org.junit.After;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Test;
public class FSTest {
private File trash;
@Before
public void setUp() throws Exception {
trash = File.createTempFile("tmp_", "");
trash.delete();
assertTrue("mkdir " + trash, trash.mkdir());
}
@After
public void tearDown() throws Exception {
FileUtils.delete(trash, FileUtils.RECURSIVE | FileUtils.RETRY);
}
/**
* The old File methods traverse symbolic links and look at the targets.
* With symbolic links we usually want to modify/look at the link. For some
* reason the executable attribute seems to always look at the target, but
* for the other attributes like lastModified, hidden and exists we must
* differ between the link and the target.
*
* @throws IOException
* @throws InterruptedException
*/
@Test
public void testSymlinkAttributes() throws IOException, InterruptedException {
Assume.assumeTrue(FS.DETECTED.supportsSymlinks());
FS fs = FS.DETECTED;
File link = new File(trash, "ä");
File target = new File(trash, "å");
fs.createSymLink(link, "å");
assertTrue(fs.exists(link));
String targetName = fs.readSymLink(link);
assertEquals("å", targetName);
assertTrue(fs.lastModifiedInstant(link).compareTo(EPOCH) > 0);
assertTrue(fs.exists(link));
assertFalse(fs.canExecute(link));
assertEquals(2, fs.length(link));
assertFalse(fs.exists(target));
assertFalse(fs.isFile(target));
assertFalse(fs.isDirectory(target));
assertFalse(fs.canExecute(target));
RepositoryTestCase.fsTick(link);
// Now create the link target
FileUtils.createNewFile(target);
assertTrue(fs.exists(link));
assertTrue(fs.lastModifiedInstant(link).compareTo(EPOCH) > 0);
assertTrue(fs.lastModifiedInstant(target)
.compareTo(fs.lastModifiedInstant(link)) > 0);
assertFalse(fs.canExecute(link));
fs.setExecute(target, true);
assertFalse(fs.canExecute(link));
assumeTrue(fs.supportsExecute());
assertTrue(fs.canExecute(target));
}
@Test
public void testExecutableAttributes() throws Exception {
FS fs = FS.DETECTED.newInstance();
// If this assumption fails the test is halted and ignored.
assumeTrue(fs instanceof FS_POSIX);
((FS_POSIX) fs).setUmask(0022);
File f = new File(trash, "bla");
assertTrue(f.createNewFile());
assertFalse(fs.canExecute(f));
Set<PosixFilePermission> permissions = readPermissions(f);
assertTrue(!permissions.contains(PosixFilePermission.OTHERS_EXECUTE));
assertTrue(!permissions.contains(PosixFilePermission.GROUP_EXECUTE));
assertTrue(!permissions.contains(PosixFilePermission.OWNER_EXECUTE));
fs.setExecute(f, true);
permissions = readPermissions(f);
assertTrue("'owner' execute permission not set",
permissions.contains(PosixFilePermission.OWNER_EXECUTE));
assertTrue("'group' execute permission not set",
permissions.contains(PosixFilePermission.GROUP_EXECUTE));
assertTrue("'others' execute permission not set",
permissions.contains(PosixFilePermission.OTHERS_EXECUTE));
((FS_POSIX) fs).setUmask(0033);
fs.setExecute(f, false);
assertFalse(fs.canExecute(f));
fs.setExecute(f, true);
permissions = readPermissions(f);
assertTrue("'owner' execute permission not set",
permissions.contains(PosixFilePermission.OWNER_EXECUTE));
assertFalse("'group' execute permission set",
permissions.contains(PosixFilePermission.GROUP_EXECUTE));
assertFalse("'others' execute permission set",
permissions.contains(PosixFilePermission.OTHERS_EXECUTE));
}
private Set<PosixFilePermission> readPermissions(File f) throws IOException {
return Files
.getFileAttributeView(f.toPath(), PosixFileAttributeView.class)
.readAttributes().permissions();
}
@Test(expected = CommandFailedException.class)
public void testReadPipePosixCommandFailure()
throws CommandFailedException {
FS fs = FS.DETECTED.newInstance();
assumeTrue(fs instanceof FS_POSIX);
FS.readPipe(fs.userHome(),
new String[] { "/bin/sh", "-c", "exit 1" },
Charset.defaultCharset().name());
}
@Test(expected = CommandFailedException.class)
public void testReadPipeCommandStartFailure()
throws CommandFailedException {
FS fs = FS.DETECTED.newInstance();
FS.readPipe(fs.userHome(),
new String[] { "this-command-does-not-exist" },
Charset.defaultCharset().name());
}
@Test
public void testFsTimestampResolution() throws Exception {
DateTimeFormatter formatter = DateTimeFormatter
.ofPattern("uuuu-MMM-dd HH:mm:ss.nnnnnnnnn", Locale.ENGLISH)
.withZone(ZoneId.systemDefault());
Path dir = Files.createTempDirectory("probe-filesystem");
Duration resolution = FS.getFileStoreAttributeCache(dir)
.getFsTimestampResolution();
long resolutionNs = resolution.toNanos();
assertTrue(resolutionNs > 0);
for (int i = 0; i < 10; i++) {
Path f = null;
try {
f = dir.resolve("testTimestampResolution" + i);
Files.createFile(f);
FileUtils.touch(f);
FileTime t1 = Files.getLastModifiedTime(f);
TimeUnit.NANOSECONDS.sleep(resolutionNs);
FileUtils.touch(f);
FileTime t2 = Files.getLastModifiedTime(f);
assertTrue(String.format(
"expected t2=%s to be larger than t1=%s\nsince file timestamp resolution was measured to be %,d ns",
formatter.format(t2.toInstant()),
formatter.format(t1.toInstant()),
Long.valueOf(resolutionNs)), t2.compareTo(t1) > 0);
} finally {
Files.delete(f);
}
}
}
// bug 548682
@Test
public void testRepoCacheRelativePathUnbornRepo() {
assertFalse(RepositoryCache.FileKey
.isGitRepository(new File("repo.git"), FS.DETECTED));
}
}
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