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/*
* Copyright (c) 2016, 2023, 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.
*/
/*
* @test
* @bug 8163798 8189611 8211728
* @summary basic tests for multi-release jar versioned streams
* @library /test/lib
* @build jdk.test.lib.Platform
* jdk.test.lib.util.FileUtils
* @run testng TestVersionedStream
*/
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.spi.ToolProvider;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.zip.ZipFile;
import jdk.test.lib.util.FileUtils;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class TestVersionedStream {
private final Path userdir;
private final Set<String> unversionedEntryNames;
private static final int LATEST_VERSION = Runtime.version().feature();
public TestVersionedStream() throws IOException {
userdir = Paths.get(System.getProperty("user.dir", "."));
// These are not real class files even though they end with .class.
// They are resource files so jar tool validation won't reject them.
// But they are what we want to test, especially q/Bar.class that
// could be in a concealed package if this was a modular multi-release
// jar.
createFiles(
"base/p/Bar.class",
"base/p/Foo.class",
"base/p/Main.class",
"v9/p/Foo.class",
"v10/p/Foo.class",
"v10/q/Bar.class",
"v" + LATEST_VERSION + "/p/Bar.class",
"v" + LATEST_VERSION + "/p/Foo.class",
"v" + LATEST_VERSION + "/META-INF/Foo.class"
);
jar("cf mmr.jar -C base . " +
"--release 9 -C v9 . " +
"--release 10 -C v10 . " +
"--release " + LATEST_VERSION + " -C v" + LATEST_VERSION + " .");
System.out.println("Contents of mmr.jar\n=======");
try(JarFile jf = new JarFile("mmr.jar")) {
unversionedEntryNames = jf.stream()
.map(je -> je.getName())
.peek(System.out::println)
.map(nm -> nm.startsWith("META-INF/versions/")
? nm.replaceFirst("META-INF/versions/\\d+/", "")
: nm)
.collect(Collectors.toCollection(LinkedHashSet::new));
}
System.out.println("=======");
}
@AfterClass
public void close() throws IOException {
Files.walk(userdir, 1)
.filter(p -> !p.equals(userdir))
.forEach(p -> {
try {
if (Files.isDirectory(p)) {
FileUtils.deleteFileTreeWithRetry(p);
} else {
FileUtils.deleteFileIfExistsWithRetry(p);
}
} catch (IOException x) {
throw new UncheckedIOException(x);
}
});
}
@DataProvider
public Object[][] data() {
return new Object[][] {
{Runtime.Version.parse("8")},
{Runtime.Version.parse("9")},
{Runtime.Version.parse("10")},
{Runtime.Version.parse(Integer.toString(LATEST_VERSION))},
{JarFile.baseVersion()},
{JarFile.runtimeVersion()}
};
}
@Test(dataProvider="data")
public void test(Runtime.Version version) throws Exception {
try (JarFile jf = new JarFile(new File("mmr.jar"), false, ZipFile.OPEN_READ, version);
Stream<JarEntry> jes = jf.versionedStream())
{
Assert.assertNotNull(jes);
// put versioned entries in list so we can reuse them
List<JarEntry> versionedEntries = jes.collect(Collectors.toList());
Assert.assertTrue(versionedEntries.size() > 0);
// also keep the names
List<String> versionedNames = new ArrayList<>(versionedEntries.size());
// verify the correct order while building enames
Iterator<String> allIt = unversionedEntryNames.iterator();
Iterator<JarEntry> verIt = versionedEntries.iterator();
boolean match = false;
while (verIt.hasNext()) {
match = false;
if (!allIt.hasNext()) break;
String name = verIt.next().getName();
versionedNames.add(name);
while (allIt.hasNext()) {
if (name.equals(allIt.next())) {
match = true;
break;
}
}
}
if (!match) {
Assert.fail("versioned entries not in same order as unversioned entries");
}
// verify the contents:
// value.[0] end of the path
// value.[1] versioned path/real name
Map<String,String[]> expected = new HashMap<>();
expected.put("p/Bar.class", new String[] { "base/p/Bar.class", "p/Bar.class" });
expected.put("p/Main.class", new String[] { "base/p/Main.class", "p/Main.class" });
int majorVersion = version.major();
switch (majorVersion) {
case 8:
expected.put("p/Foo.class", new String[]
{ "base/p/Foo.class", "p/Foo.class" });
break;
case 9:
expected.put("p/Foo.class", new String[]
{ "v9/p/Foo.class", "META-INF/versions/9/p/Foo.class" });
break;
case 10:
expected.put("p/Foo.class", new String[]
{ "v10/p/Foo.class", "META-INF/versions/10/p/Foo.class" });
expected.put("q/Bar.class", new String[]
{ "v10/q/Bar.class", "META-INF/versions/10/q/Bar.class" });
break;
default:
if (majorVersion == LATEST_VERSION) {
expected.put("p/Bar.class",
new String[] { "v" + LATEST_VERSION + "/p/Bar.class",
"META-INF/versions/" + LATEST_VERSION + "/p/Bar.class"});
expected.put("p/Foo.class",
new String[]{ "v" + LATEST_VERSION + "/p/Foo.class",
"META-INF/versions/" + LATEST_VERSION + "/p/Foo.class"});
expected.put("q/Bar.class",
new String[] { "q/Bar.class", "META-INF/versions/10/q/Bar.class"});
} else {
Assert.fail("Test out of date, please add more cases");
}
}
expected.entrySet().stream().forEach(e -> {
String name = e.getKey();
int i = versionedNames.indexOf(name);
Assert.assertTrue(i != -1, name + " not in enames");
JarEntry je = versionedEntries.get(i);
try (InputStream is = jf.getInputStream(je)) {
String s = new String(is.readAllBytes()).replaceAll(System.lineSeparator(), "");
// end of the path
Assert.assertTrue(s.endsWith(e.getValue()[0]), s);
// getRealName()
Assert.assertTrue(je.getRealName().equals(e.getValue()[1]));
} catch (IOException x) {
throw new UncheckedIOException(x);
}
});
if (!unversionedEntryNames.contains("META-INF/Foo.class") ||
versionedNames.indexOf("META-INF/Foo.class") != -1) {
Assert.fail("versioned META-INF/Foo.class test failed");
}
}
}
private void createFiles(String... files) {
ArrayList<String> list = new ArrayList();
Arrays.stream(files)
.map(f -> Paths.get(userdir.toAbsolutePath().toString(), f))
.forEach(p -> {
try {
Files.createDirectories(p.getParent());
Files.createFile(p);
list.clear();
list.add(p.toString().replace(File.separatorChar, '/'));
Files.write(p, list);
} catch (IOException x) {
throw new UncheckedIOException(x);
}});
}
private void jar(String args) {
ToolProvider jar = ToolProvider.findFirst("jar").orElseThrow();
jar.run(System.out, System.err, args.split(" +"));
}
}
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