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/*
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import java.nio.file.FileAlreadyExistsException;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.testng.Assert.*;
import org.testng.SkipException;
import org.testng.annotations.Test;
/*
* @test
* @bug 8032220 8293792
* @summary Test java.nio.file.Files.createDirectories method
* @library ..
* @run testng CreateDirectories
*/
public class CreateDirectories {
/**
* Test Files.createDirectories symbolic file with an existing directory.
*/
@Test
public void testSymlinkDir() throws Exception {
// create a temp dir as the "root" in which we will run our tests.
final Path top = TestUtil.createTemporaryDirectory();
if (!TestUtil.supportsLinks(top)) {
System.out.println("Skipping tests since symbolic links isn't " +
"supported under directory "+ top);
throw new SkipException("Symbolic links not supported");
}
System.out.println("Running tests under directory " + top.toAbsolutePath());
final Path fooDir = Files.createDirectory(top.resolve("foo"));
assertTrue(Files.isDirectory(fooDir),
fooDir + " was expected to be a directory but wasn't");
// now create a symlink to the "foo" dir
final Path symlink = Files.createSymbolicLink(top.resolve("symlinkToFoo"),
fooDir.toAbsolutePath());
assertTrue(Files.isSymbolicLink(symlink),
symlink + " was expected to be a symlink but wasn't");
assertTrue(Files.isDirectory(symlink),
symlink + " was expected to be a directory but wasn't");
// now create a directory under the symlink (which effectively creates a directory under
// "foo")
final Path barDir = Files.createDirectory(symlink.resolve("bar"));
assertTrue(Files.isDirectory(barDir),
barDir + " was expected to be a directory but wasn't");
// ultimately, we now have this directory structure:
// <root-dir>
// |--- foo
// | |--- bar
// |
// |--- symlinkToFoo -> (links to) <absolute-path-to-root-dir>/foo
// now call Files.createDirectories on each of these existing directory/symlink paths
// and expect each one to succeed
Files.createDirectories(fooDir); // ./<root-dir>/foo
Files.createDirectories(symlink); // ./<root-dir>/symlinkToFoo
Files.createDirectories(barDir); // ./<root-dir>/symlinkToFoo/bar
}
/**
* Tests Files.createDirectories
*/
@Test
public void testCreateDirectories() throws IOException {
final Path tmpdir = TestUtil.createTemporaryDirectory();
// a no-op
Files.createDirectories(tmpdir);
// create one directory
Path subdir = tmpdir.resolve("a");
Files.createDirectories(subdir);
assertTrue(Files.isDirectory(subdir), subdir + " was expected to be a directory," +
" but wasn't");
// create parents
subdir = subdir.resolve("b/c/d");
Files.createDirectories(subdir);
assertTrue(Files.isDirectory(subdir), subdir + " was expected to be a directory," +
" but wasn't");
// existing file is not a directory
Path file = Files.createFile(tmpdir.resolve("x"));
try {
Files.createDirectories(file);
throw new RuntimeException("failure expected");
} catch (FileAlreadyExistsException x) { }
try {
Files.createDirectories(file.resolve("y"));
throw new RuntimeException("failure expected");
} catch (IOException x) { }
// the root directory always exists
Path root = Path.of("/");
Files.createDirectories(root);
Files.createDirectories(root.toAbsolutePath());
}
}
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