author | henryjen |
Tue, 11 Jun 2013 13:41:38 -0700 | |
changeset 18571 | 8e3cb3c46ae8 |
parent 17943 | a8293d390273 |
child 19800 | 6e1fef53ea55 |
permissions | -rw-r--r-- |
17696 | 1 |
/* |
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* @test |
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* @bug 8006884 |
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* @summary Unit test for java.nio.file.Files |
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* @library .. |
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* @build PassThroughFileSystem FaultyFileSystem |
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* @run testng StreamTest |
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*/ |
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import java.io.IOException; |
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import java.io.UncheckedIOException; |
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import java.nio.charset.Charset; |
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import java.nio.charset.MalformedInputException; |
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import java.nio.file.DirectoryIteratorException; |
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import java.nio.file.DirectoryStream; |
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import java.nio.file.FileSystemLoopException; |
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import java.nio.file.FileVisitOption; |
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import java.nio.file.Files; |
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import java.nio.file.NoSuchFileException; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.nio.file.attribute.BasicFileAttributes; |
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import java.util.Arrays; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Objects; |
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import java.util.Set; |
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import java.util.TreeSet; |
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import java.util.function.BiPredicate; |
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import java.util.stream.CloseableStream; |
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import java.util.stream.Collectors; |
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import org.testng.annotations.AfterClass; |
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import org.testng.annotations.BeforeClass; |
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import org.testng.annotations.Test; |
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import static org.testng.Assert.*; |
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@Test(groups = "unit") |
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public class StreamTest { |
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/** |
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* Default test folder |
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* testFolder - empty |
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* - file |
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* - dir - d1 |
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* - f1 |
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* - lnDir2 (../dir2) |
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* - dir2 |
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* - linkDir (./dir) |
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* - linkFile(./file) |
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*/ |
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static Path testFolder; |
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static boolean supportsLinks; |
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static Path[] level1; |
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static Path[] all; |
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static Path[] all_folowLinks; |
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@BeforeClass |
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void setupTestFolder() throws IOException { |
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testFolder = TestUtil.createTemporaryDirectory(); |
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supportsLinks = TestUtil.supportsLinks(testFolder); |
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TreeSet<Path> set = new TreeSet<>(); |
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// Level 1 |
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Path empty = testFolder.resolve("empty"); |
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Path file = testFolder.resolve("file"); |
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Path dir = testFolder.resolve("dir"); |
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Path dir2 = testFolder.resolve("dir2"); |
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Files.createDirectory(empty); |
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Files.createFile(file); |
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Files.createDirectory(dir); |
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Files.createDirectory(dir2); |
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set.add(empty); |
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set.add(file); |
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set.add(dir); |
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set.add(dir2); |
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if (supportsLinks) { |
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Path tmp = testFolder.resolve("linkDir"); |
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Files.createSymbolicLink(tmp, dir); |
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set.add(tmp); |
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tmp = testFolder.resolve("linkFile"); |
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Files.createSymbolicLink(tmp, file); |
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set.add(tmp); |
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} |
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level1 = set.toArray(new Path[0]); |
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// Level 2 |
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Path tmp = dir.resolve("d1"); |
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Files.createDirectory(tmp); |
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set.add(tmp); |
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tmp = dir.resolve("f1"); |
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Files.createFile(tmp); |
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set.add(tmp); |
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if (supportsLinks) { |
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tmp = dir.resolve("lnDir2"); |
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Files.createSymbolicLink(tmp, dir2); |
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set.add(tmp); |
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} |
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// walk include starting folder |
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set.add(testFolder); |
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all = set.toArray(new Path[0]); |
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// Follow links |
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if (supportsLinks) { |
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tmp = testFolder.resolve("linkDir"); |
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set.add(tmp.resolve("d1")); |
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set.add(tmp.resolve("f1")); |
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tmp = tmp.resolve("lnDir2"); |
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set.add(tmp); |
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} |
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all_folowLinks = set.toArray(new Path[0]); |
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} |
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@AfterClass |
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void cleanupTestFolder() throws IOException { |
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TestUtil.removeAll(testFolder); |
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} |
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public void testBasic() { |
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try (CloseableStream<Path> s = Files.list(testFolder)) { |
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Object[] actual = s.sorted(Comparator.naturalOrder()).toArray(); |
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assertEquals(actual, level1); |
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} catch (IOException ioe) { |
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fail("Unexpected IOException"); |
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} |
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try (CloseableStream<Path> s = Files.list(testFolder.resolve("empty"))) { |
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int count = s.mapToInt(p -> 1).reduce(0, Integer::sum); |
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assertEquals(count, 0, "Expect empty stream."); |
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} catch (IOException ioe) { |
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fail("Unexpected IOException"); |
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} |
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} |
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public void testWalk() { |
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try (CloseableStream<Path> s = Files.walk(testFolder)) { |
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Object[] actual = s.sorted(Comparator.naturalOrder()).toArray(); |
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assertEquals(actual, all); |
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} catch (IOException ioe) { |
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fail("Unexpected IOException"); |
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} |
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} |
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public void testWalkOneLevel() { |
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try (CloseableStream<Path> s = Files.walk(testFolder, 1)) { |
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Object[] actual = s.filter(path -> ! path.equals(testFolder)) |
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.sorted(Comparator.naturalOrder()) |
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.toArray(); |
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assertEquals(actual, level1); |
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} catch (IOException ioe) { |
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fail("Unexpected IOException"); |
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} |
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} |
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public void testWalkFollowLink() { |
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// If link is not supported, the directory structure won't have link. |
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// We still want to test the behavior with FOLLOW_LINKS option. |
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try (CloseableStream<Path> s = Files.walk(testFolder, FileVisitOption.FOLLOW_LINKS)) { |
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Object[] actual = s.sorted(Comparator.naturalOrder()).toArray(); |
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assertEquals(actual, all_folowLinks); |
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} catch (IOException ioe) { |
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fail("Unexpected IOException"); |
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} |
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} |
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private void validateFileSystemLoopException(Path start, Path... causes) { |
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try (CloseableStream<Path> s = Files.walk(start, FileVisitOption.FOLLOW_LINKS)) { |
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try { |
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int count = s.mapToInt(p -> 1).reduce(0, Integer::sum); |
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fail("Should got FileSystemLoopException, but got " + count + "elements."); |
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} catch (UncheckedIOException uioe) { |
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IOException ioe = uioe.getCause(); |
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if (ioe instanceof FileSystemLoopException) { |
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FileSystemLoopException fsle = (FileSystemLoopException) ioe; |
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boolean match = false; |
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for (Path cause: causes) { |
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if (fsle.getFile().equals(cause.toString())) { |
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match = true; |
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break; |
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} |
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} |
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assertTrue(match); |
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} else { |
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fail("Unexpected UncheckedIOException cause " + ioe.toString()); |
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} |
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} |
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} catch(IOException ex) { |
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fail("Unexpected IOException " + ex); |
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} |
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} |
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public void testWalkFollowLinkLoop() { |
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if (!supportsLinks) { |
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return; |
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} |
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// Loops. |
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try { |
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Path dir = testFolder.resolve("dir"); |
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Path linkdir = testFolder.resolve("linkDir"); |
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Path d1 = dir.resolve("d1"); |
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Path cause = d1.resolve("lnSelf"); |
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Files.createSymbolicLink(cause, d1); |
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// loop in descendant. |
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validateFileSystemLoopException(dir, cause); |
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// loop in self |
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validateFileSystemLoopException(d1, cause); |
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// start from other place via link |
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validateFileSystemLoopException(linkdir, |
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linkdir.resolve(Paths.get("d1", "lnSelf"))); |
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Files.delete(cause); |
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// loop to parent. |
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cause = d1.resolve("lnParent"); |
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Files.createSymbolicLink(cause, dir); |
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// loop should be detected at test/dir/d1/lnParent/d1 |
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validateFileSystemLoopException(d1, cause.resolve("d1")); |
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// loop should be detected at link |
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validateFileSystemLoopException(dir, cause); |
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// loop should be detected at test/linkdir/d1/lnParent |
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// which is test/dir we have visited via test/linkdir |
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validateFileSystemLoopException(linkdir, |
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linkdir.resolve(Paths.get("d1", "lnParent"))); |
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Files.delete(cause); |
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// cross loop |
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Path dir2 = testFolder.resolve("dir2"); |
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cause = dir2.resolve("lnDir"); |
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Files.createSymbolicLink(cause, dir); |
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validateFileSystemLoopException(dir, |
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dir.resolve(Paths.get("lnDir2", "lnDir"))); |
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validateFileSystemLoopException(dir2, |
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dir2.resolve(Paths.get("lnDir", "lnDir2"))); |
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validateFileSystemLoopException(linkdir, |
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linkdir.resolve(Paths.get("lnDir2", "lnDir"))); |
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} catch(IOException ioe) { |
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fail("Unexpected IOException " + ioe); |
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} |
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} |
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private static class PathBiPredicate implements BiPredicate<Path, BasicFileAttributes> { |
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private final BiPredicate<Path, BasicFileAttributes> pred; |
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private final Set<Path> visited = new TreeSet<Path>(); |
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PathBiPredicate(BiPredicate<Path, BasicFileAttributes> pred) { |
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this.pred = Objects.requireNonNull(pred); |
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} |
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public boolean test(Path path, BasicFileAttributes attrs) { |
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visited.add(path); |
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return pred.test(path, attrs); |
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} |
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public Path[] visited() { |
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return visited.toArray(new Path[0]); |
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} |
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} |
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public void testFind() throws IOException { |
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PathBiPredicate pred = new PathBiPredicate((path, attrs) -> true); |
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try (CloseableStream<Path> s = Files.find(testFolder, Integer.MAX_VALUE, pred)) { |
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Set<Path> result = s.collect(Collectors.toCollection(TreeSet::new)); |
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assertEquals(pred.visited(), all); |
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assertEquals(result.toArray(new Path[0]), pred.visited()); |
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} |
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pred = new PathBiPredicate((path, attrs) -> attrs.isSymbolicLink()); |
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try (CloseableStream<Path> s = Files.find(testFolder, Integer.MAX_VALUE, pred)) { |
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s.forEach(path -> assertTrue(Files.isSymbolicLink(path))); |
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assertEquals(pred.visited(), all); |
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} |
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pred = new PathBiPredicate((path, attrs) -> |
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path.getFileName().toString().startsWith("e")); |
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try (CloseableStream<Path> s = Files.find(testFolder, Integer.MAX_VALUE, pred)) { |
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s.forEach(path -> assertEquals(path.getFileName().toString(), "empty")); |
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assertEquals(pred.visited(), all); |
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} |
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pred = new PathBiPredicate((path, attrs) -> |
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path.getFileName().toString().startsWith("l") && attrs.isRegularFile()); |
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try (CloseableStream<Path> s = Files.find(testFolder, Integer.MAX_VALUE, pred)) { |
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s.forEach(path -> fail("Expect empty stream")); |
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assertEquals(pred.visited(), all); |
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} |
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} |
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311 |
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// Test borrowed from BytesAndLines |
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313 |
public void testLines() throws IOException { |
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314 |
final Charset US_ASCII = Charset.forName("US-ASCII"); |
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Path tmpfile = Files.createTempFile("blah", "txt"); |
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316 |
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317 |
try { |
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318 |
// zero lines |
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assertTrue(Files.size(tmpfile) == 0, "File should be empty"); |
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320 |
try (CloseableStream<String> s = Files.lines(tmpfile, US_ASCII)) { |
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assertEquals(s.mapToInt(l -> 1).reduce(0, Integer::sum), 0, "No line expected"); |
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} |
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323 |
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// one line |
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325 |
byte[] hi = { (byte)'h', (byte)'i' }; |
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Files.write(tmpfile, hi); |
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try (CloseableStream<String> s = Files.lines(tmpfile, US_ASCII)) { |
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328 |
List<String> lines = s.collect(Collectors.toList()); |
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assertTrue(lines.size() == 1, "One line expected"); |
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assertTrue(lines.get(0).equals("hi"), "'Hi' expected"); |
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} |
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332 |
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// two lines using platform's line separator |
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List<String> expected = Arrays.asList("hi", "there"); |
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Files.write(tmpfile, expected, US_ASCII); |
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assertTrue(Files.size(tmpfile) > 0, "File is empty"); |
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337 |
try (CloseableStream<String> s = Files.lines(tmpfile, US_ASCII)) { |
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338 |
List<String> lines = s.collect(Collectors.toList()); |
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339 |
assertTrue(lines.equals(expected), "Unexpected lines"); |
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} |
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341 |
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342 |
// MalformedInputException |
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343 |
byte[] bad = { (byte)0xff, (byte)0xff }; |
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344 |
Files.write(tmpfile, bad); |
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345 |
try (CloseableStream<String> s = Files.lines(tmpfile, US_ASCII)) { |
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346 |
try { |
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347 |
List<String> lines = s.collect(Collectors.toList()); |
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348 |
throw new RuntimeException("UncheckedIOException expected"); |
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349 |
} catch (UncheckedIOException ex) { |
|
350 |
assertTrue(ex.getCause() instanceof MalformedInputException, |
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351 |
"MalformedInputException expected"); |
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352 |
} |
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353 |
} |
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354 |
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355 |
// NullPointerException |
|
356 |
try { |
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357 |
Files.lines(null, US_ASCII); |
|
358 |
throw new RuntimeException("NullPointerException expected"); |
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359 |
} catch (NullPointerException ignore) { } |
|
360 |
try { |
|
361 |
Files.lines(tmpfile, null); |
|
362 |
throw new RuntimeException("NullPointerException expected"); |
|
363 |
} catch (NullPointerException ignore) { } |
|
364 |
||
365 |
} finally { |
|
366 |
Files.delete(tmpfile); |
|
367 |
} |
|
368 |
} |
|
369 |
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370 |
public void testDirectoryIteratorException() throws IOException { |
|
371 |
Path dir = testFolder.resolve("dir2"); |
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372 |
Path trigger = dir.resolve("DirectoryIteratorException"); |
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373 |
Files.createFile(trigger); |
|
374 |
FaultyFileSystem.FaultyFSProvider fsp = FaultyFileSystem.FaultyFSProvider.getInstance(); |
|
375 |
FaultyFileSystem fs = (FaultyFileSystem) fsp.newFileSystem(dir, null); |
|
376 |
||
377 |
try { |
|
378 |
fsp.setFaultyMode(false); |
|
379 |
Path fakeRoot = fs.getRoot(); |
|
380 |
try { |
|
381 |
try (CloseableStream<Path> s = Files.list(fakeRoot)) { |
|
382 |
s.forEach(path -> assertEquals(path.getFileName().toString(), "DirectoryIteratorException")); |
|
383 |
} |
|
384 |
} catch (UncheckedIOException uioe) { |
|
385 |
fail("Unexpected exception."); |
|
386 |
} |
|
387 |
||
388 |
fsp.setFaultyMode(true); |
|
389 |
try { |
|
390 |
try (DirectoryStream<Path> ds = Files.newDirectoryStream(fakeRoot)) { |
|
391 |
Iterator<Path> itor = ds.iterator(); |
|
392 |
while (itor.hasNext()) { |
|
393 |
itor.next(); |
|
394 |
} |
|
395 |
} |
|
396 |
fail("Shoule throw DirectoryIteratorException"); |
|
397 |
} catch (DirectoryIteratorException die) { |
|
398 |
} |
|
399 |
||
400 |
try { |
|
401 |
try (CloseableStream<Path> s = Files.list(fakeRoot)) { |
|
402 |
s.forEach(path -> fail("should not get here")); |
|
403 |
} |
|
404 |
} catch (UncheckedIOException uioe) { |
|
405 |
assertTrue(uioe.getCause() instanceof FaultyFileSystem.FaultyException); |
|
406 |
} catch (DirectoryIteratorException die) { |
|
407 |
fail("Should have been converted into UncheckedIOException."); |
|
408 |
} |
|
409 |
} finally { |
|
410 |
// Cleanup |
|
411 |
if (fs != null) { |
|
412 |
fs.close(); |
|
413 |
} |
|
414 |
Files.delete(trigger); |
|
415 |
} |
|
416 |
} |
|
417 |
||
418 |
public void testUncheckedIOException() throws IOException { |
|
419 |
Path triggerFile = testFolder.resolve(Paths.get("dir2", "IOException")); |
|
420 |
Files.createFile(triggerFile); |
|
421 |
Path triggerDir = testFolder.resolve(Paths.get("empty", "IOException")); |
|
422 |
Files.createDirectories(triggerDir); |
|
423 |
Files.createFile(triggerDir.resolve("file")); |
|
424 |
FaultyFileSystem.FaultyFSProvider fsp = FaultyFileSystem.FaultyFSProvider.getInstance(); |
|
425 |
FaultyFileSystem fs = (FaultyFileSystem) fsp.newFileSystem(testFolder, null); |
|
426 |
||
427 |
try { |
|
428 |
fsp.setFaultyMode(false); |
|
429 |
Path fakeRoot = fs.getRoot(); |
|
430 |
try (CloseableStream<Path> s = Files.list(fakeRoot.resolve("dir2"))) { |
|
431 |
// only one file |
|
432 |
s.forEach(path -> assertEquals(path.getFileName().toString(), "IOException")); |
|
433 |
} |
|
434 |
||
435 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("empty"))) { |
|
436 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
437 |
.toArray(String[]::new); |
|
438 |
// ordered as depth-first |
|
439 |
assertEquals(result, new String[] { "empty", "IOException", "file"}); |
|
440 |
} |
|
441 |
||
442 |
fsp.setFaultyMode(true); |
|
443 |
try (CloseableStream<Path> s = Files.list(fakeRoot.resolve("dir2"))) { |
|
444 |
s.forEach(path -> fail("should have caused exception")); |
|
445 |
} catch (UncheckedIOException uioe) { |
|
446 |
assertTrue(uioe.getCause() instanceof FaultyFileSystem.FaultyException); |
|
447 |
} |
|
448 |
||
449 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("empty"))) { |
|
450 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
451 |
.toArray(String[]::new); |
|
452 |
fail("should not reach here due to IOException"); |
|
453 |
} catch (UncheckedIOException uioe) { |
|
454 |
assertTrue(uioe.getCause() instanceof FaultyFileSystem.FaultyException); |
|
455 |
} |
|
456 |
||
457 |
try (CloseableStream<Path> s = Files.walk( |
|
458 |
fakeRoot.resolve("empty").resolve("IOException"))) |
|
459 |
{ |
|
460 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
461 |
.toArray(String[]::new); |
|
462 |
fail("should not reach here due to IOException"); |
|
463 |
} catch (IOException ioe) { |
|
464 |
assertTrue(ioe instanceof FaultyFileSystem.FaultyException); |
|
465 |
} catch (UncheckedIOException ex) { |
|
466 |
fail("Top level should be repored as is"); |
|
467 |
} |
|
468 |
} finally { |
|
469 |
// Cleanup |
|
470 |
if (fs != null) { |
|
471 |
fs.close(); |
|
472 |
} |
|
473 |
Files.delete(triggerFile); |
|
474 |
TestUtil.removeAll(triggerDir); |
|
475 |
} |
|
476 |
} |
|
477 |
||
478 |
public void testSecurityException() throws IOException { |
|
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|
479 |
Path empty = testFolder.resolve("empty"); |
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changeset
|
480 |
Path triggerFile = Files.createFile(empty.resolve("SecurityException")); |
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diff
changeset
|
481 |
Path sampleFile = Files.createDirectories(empty.resolve("sample")); |
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diff
changeset
|
482 |
|
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diff
changeset
|
483 |
Path dir2 = testFolder.resolve("dir2"); |
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diff
changeset
|
484 |
Path triggerDir = Files.createDirectories(dir2.resolve("SecurityException")); |
17696 | 485 |
Files.createFile(triggerDir.resolve("fileInSE")); |
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changeset
|
486 |
Path sample = Files.createFile(dir2.resolve("file")); |
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diff
changeset
|
487 |
|
a8293d390273
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diff
changeset
|
488 |
Path triggerLink = null; |
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diff
changeset
|
489 |
Path linkTriggerDir = null; |
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diff
changeset
|
490 |
Path linkTriggerFile = null; |
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diff
changeset
|
491 |
if (supportsLinks) { |
a8293d390273
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diff
changeset
|
492 |
Path dir = testFolder.resolve("dir"); |
a8293d390273
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diff
changeset
|
493 |
triggerLink = Files.createSymbolicLink(dir.resolve("SecurityException"), empty); |
a8293d390273
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parents:
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diff
changeset
|
494 |
linkTriggerDir = Files.createSymbolicLink(dir.resolve("lnDirSE"), triggerDir); |
a8293d390273
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parents:
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diff
changeset
|
495 |
linkTriggerFile = Files.createSymbolicLink(dir.resolve("lnFileSE"), triggerFile); |
a8293d390273
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diff
changeset
|
496 |
} |
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diff
changeset
|
497 |
|
17696 | 498 |
FaultyFileSystem.FaultyFSProvider fsp = FaultyFileSystem.FaultyFSProvider.getInstance(); |
499 |
FaultyFileSystem fs = (FaultyFileSystem) fsp.newFileSystem(testFolder, null); |
|
500 |
||
501 |
try { |
|
502 |
fsp.setFaultyMode(false); |
|
503 |
Path fakeRoot = fs.getRoot(); |
|
504 |
// validate setting |
|
17943
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diff
changeset
|
505 |
try (CloseableStream<Path> s = Files.list(fakeRoot.resolve("empty"))) { |
17696 | 506 |
String[] result = s.map(path -> path.getFileName().toString()) |
507 |
.toArray(String[]::new); |
|
17943
a8293d390273
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parents:
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diff
changeset
|
508 |
assertEqualsNoOrder(result, new String[] { "SecurityException", "sample" }); |
17696 | 509 |
} |
510 |
||
511 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("dir2"))) { |
|
512 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
513 |
.toArray(String[]::new); |
|
514 |
assertEqualsNoOrder(result, new String[] { "dir2", "SecurityException", "fileInSE", "file" }); |
|
515 |
} |
|
516 |
||
17943
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parents:
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diff
changeset
|
517 |
if (supportsLinks) { |
a8293d390273
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alanb
parents:
17696
diff
changeset
|
518 |
try (CloseableStream<Path> s = Files.list(fakeRoot.resolve("dir"))) { |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
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parents:
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diff
changeset
|
519 |
String[] result = s.map(path -> path.getFileName().toString()) |
a8293d390273
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parents:
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diff
changeset
|
520 |
.toArray(String[]::new); |
a8293d390273
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alanb
parents:
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diff
changeset
|
521 |
assertEqualsNoOrder(result, new String[] { "d1", "f1", "lnDir2", "SecurityException", "lnDirSE", "lnFileSE" }); |
a8293d390273
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parents:
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diff
changeset
|
522 |
} |
a8293d390273
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parents:
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diff
changeset
|
523 |
} |
a8293d390273
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alanb
parents:
17696
diff
changeset
|
524 |
|
17696 | 525 |
// execute test |
526 |
fsp.setFaultyMode(true); |
|
527 |
// ignore file cause SecurityException |
|
17943
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alanb
parents:
17696
diff
changeset
|
528 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("empty"))) { |
17696 | 529 |
String[] result = s.map(path -> path.getFileName().toString()) |
530 |
.toArray(String[]::new); |
|
17943
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parents:
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diff
changeset
|
531 |
assertEqualsNoOrder(result, new String[] { "empty", "sample" }); |
17696 | 532 |
} |
533 |
// skip folder cause SecurityException |
|
534 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("dir2"))) { |
|
535 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
536 |
.toArray(String[]::new); |
|
537 |
assertEqualsNoOrder(result, new String[] { "dir2", "file" }); |
|
538 |
} |
|
539 |
||
17943
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
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parents:
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diff
changeset
|
540 |
if (supportsLinks) { |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
541 |
// not following links |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
542 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("dir"))) { |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
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diff
changeset
|
543 |
String[] result = s.map(path -> path.getFileName().toString()) |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
544 |
.toArray(String[]::new); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
545 |
assertEqualsNoOrder(result, new String[] { "dir", "d1", "f1", "lnDir2", "lnDirSE", "lnFileSE" }); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
546 |
} |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
547 |
|
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
548 |
// following links |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
549 |
try (CloseableStream<Path> s = Files.walk(fakeRoot.resolve("dir"), FileVisitOption.FOLLOW_LINKS)) { |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
550 |
String[] result = s.map(path -> path.getFileName().toString()) |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
551 |
.toArray(String[]::new); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
552 |
// ?? Should fileInSE show up? |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
553 |
// With FaultyFS, it does as no exception thrown for link to "SecurityException" with read on "lnXxxSE" |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
554 |
assertEqualsNoOrder(result, new String[] { "dir", "d1", "f1", "lnDir2", "file", "lnDirSE", "lnFileSE", "fileInSE" }); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
555 |
} |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
556 |
} |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
557 |
|
17696 | 558 |
// list instead of walk |
17943
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
559 |
try (CloseableStream<Path> s = Files.list(fakeRoot.resolve("empty"))) { |
17696 | 560 |
String[] result = s.map(path -> path.getFileName().toString()) |
561 |
.toArray(String[]::new); |
|
17943
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
562 |
assertEqualsNoOrder(result, new String[] { "sample" }); |
17696 | 563 |
} |
564 |
try (CloseableStream<Path> s = Files.list(fakeRoot.resolve("dir2"))) { |
|
565 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
566 |
.toArray(String[]::new); |
|
567 |
assertEqualsNoOrder(result, new String[] { "file" }); |
|
568 |
} |
|
569 |
||
570 |
// root cause SecurityException should be reported |
|
571 |
try (CloseableStream<Path> s = Files.walk( |
|
572 |
fakeRoot.resolve("dir2").resolve("SecurityException"))) |
|
573 |
{ |
|
574 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
575 |
.toArray(String[]::new); |
|
576 |
fail("should not reach here due to SecurityException"); |
|
577 |
} catch (SecurityException se) { |
|
578 |
assertTrue(se.getCause() instanceof FaultyFileSystem.FaultyException); |
|
579 |
} |
|
580 |
||
581 |
// Walk a file cause SecurityException, we should get SE |
|
582 |
try (CloseableStream<Path> s = Files.walk( |
|
583 |
fakeRoot.resolve("dir").resolve("SecurityException"))) |
|
584 |
{ |
|
585 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
586 |
.toArray(String[]::new); |
|
587 |
fail("should not reach here due to SecurityException"); |
|
588 |
} catch (SecurityException se) { |
|
589 |
assertTrue(se.getCause() instanceof FaultyFileSystem.FaultyException); |
|
590 |
} |
|
591 |
||
592 |
// List a file cause SecurityException, we should get SE as cannot read attribute |
|
593 |
try (CloseableStream<Path> s = Files.list( |
|
594 |
fakeRoot.resolve("dir2").resolve("SecurityException"))) |
|
595 |
{ |
|
596 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
597 |
.toArray(String[]::new); |
|
598 |
fail("should not reach here due to SecurityException"); |
|
599 |
} catch (SecurityException se) { |
|
600 |
assertTrue(se.getCause() instanceof FaultyFileSystem.FaultyException); |
|
601 |
} |
|
602 |
||
603 |
try (CloseableStream<Path> s = Files.list( |
|
604 |
fakeRoot.resolve("dir").resolve("SecurityException"))) |
|
605 |
{ |
|
606 |
String[] result = s.map(path -> path.getFileName().toString()) |
|
607 |
.toArray(String[]::new); |
|
608 |
fail("should not reach here due to SecurityException"); |
|
609 |
} catch (SecurityException se) { |
|
610 |
assertTrue(se.getCause() instanceof FaultyFileSystem.FaultyException); |
|
611 |
} |
|
612 |
} finally { |
|
613 |
// Cleanup |
|
614 |
if (fs != null) { |
|
615 |
fs.close(); |
|
616 |
} |
|
17943
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
617 |
if (supportsLinks) { |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
618 |
Files.delete(triggerLink); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
619 |
Files.delete(linkTriggerDir); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
620 |
Files.delete(linkTriggerFile); |
a8293d390273
8014855: TEST_BUG: java/nio/file/Files/StreamTest.java fails when sym links not supported
alanb
parents:
17696
diff
changeset
|
621 |
} |
17696 | 622 |
Files.delete(triggerFile); |
623 |
Files.delete(sampleFile); |
|
624 |
Files.delete(sample); |
|
625 |
TestUtil.removeAll(triggerDir); |
|
626 |
} |
|
627 |
} |
|
628 |
||
629 |
public void testConstructException() { |
|
630 |
try (CloseableStream<String> s = Files.lines(testFolder.resolve("notExist"), Charset.forName("UTF-8"))) { |
|
631 |
s.forEach(l -> fail("File is not even exist!")); |
|
632 |
} catch (IOException ioe) { |
|
633 |
assertTrue(ioe instanceof NoSuchFileException); |
|
634 |
} |
|
635 |
} |
|
636 |
||
637 |
public void testClosedStream() throws IOException { |
|
638 |
try (CloseableStream<Path> s = Files.list(testFolder)) { |
|
639 |
s.close(); |
|
18571 | 640 |
Object[] actual = s.sorted(Comparator.naturalOrder()).toArray(); |
17696 | 641 |
assertTrue(actual.length <= level1.length); |
642 |
} |
|
643 |
||
644 |
try (CloseableStream<Path> s = Files.walk(testFolder)) { |
|
645 |
s.close(); |
|
18571 | 646 |
Object[] actual = s.sorted(Comparator.naturalOrder()).toArray(); |
17696 | 647 |
fail("Operate on closed stream should throw IllegalStateException"); |
648 |
} catch (IllegalStateException ex) { |
|
649 |
// expected |
|
650 |
} |
|
651 |
||
652 |
try (CloseableStream<Path> s = Files.find(testFolder, Integer.MAX_VALUE, |
|
653 |
(p, attr) -> true)) { |
|
654 |
s.close(); |
|
18571 | 655 |
Object[] actual = s.sorted(Comparator.naturalOrder()).toArray(); |
17696 | 656 |
fail("Operate on closed stream should throw IllegalStateException"); |
657 |
} catch (IllegalStateException ex) { |
|
658 |
// expected |
|
659 |
} |
|
660 |
} |
|
661 |
} |