/*
* Copyright (c) 2016, 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
* @summary Tests to verify jimage 'extract' action
* @library /test/lib
* @modules jdk.jlink/jdk.tools.jimage
* @build jdk.test.lib.Asserts
* @run main/othervm JImageExtractTest
*/
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.FileAttribute;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import static jdk.test.lib.Asserts.assertEquals;
import static jdk.test.lib.Asserts.assertTrue;
public class JImageExtractTest extends JImageCliTest {
public void testExtract() throws IOException {
jimage("extract", getImagePath())
.assertSuccess()
.resultChecker(r -> {
assertTrue(r.output.isEmpty(), "Output is not expected");
});
verifyExplodedImage(Paths.get("."));
}
public void testExtractHelp() {
for (String opt : Arrays.asList("-h", "--help")) {
jimage("extract", "--help")
.assertSuccess()
.resultChecker(r -> {
// extract - descriptive text
assertMatches("\\s+extract\\s+-\\s+.*", r.output);
});
}
}
public void testExtractToDir() throws IOException {
Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
jimage("extract", "--dir", tmp.toString(), getImagePath())
.assertSuccess()
.resultChecker(r -> {
assertTrue(r.output.isEmpty(), "Output is not expected");
});
verifyExplodedImage(tmp);
}
public void testExtractNoImageSpecified() {
jimage("extract", "")
.assertFailure()
.assertShowsError();
}
public void testExtractNotAnImage() throws IOException {
Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_an_image");
jimage("extract", tmp.toString())
.assertFailure()
.assertShowsError();
}
public void testExtractNotExistingImage() throws IOException {
Path tmp = Paths.get(".", "not_existing_image");
Files.deleteIfExists(tmp);
jimage("extract", tmp.toString())
.assertFailure()
.assertShowsError();
}
public void testExtractToUnspecifiedDir() {
jimage("extract", "--dir", "--", getImagePath())
.assertFailure()
.assertShowsError();
}
public void testExtractToNotExistingDir() throws IOException {
Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
Files.delete(tmp);
jimage("extract", "--dir", tmp.toString(), getImagePath())
.assertSuccess()
.resultChecker(r -> {
assertTrue(r.output.isEmpty(), "Output is not expected");
});
verifyExplodedImage(tmp);
}
public void testExtractFromDir() {
Path imagePath = Paths.get(getImagePath());
Path imageDirPath = imagePath.subpath(0, imagePath.getNameCount() - 1);
jimage("extract", imageDirPath.toString())
.assertFailure()
.assertShowsError();
}
public void testExtractToDirBySymlink() throws IOException {
Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
try {
Path symlink = Files.createSymbolicLink(Paths.get(".", "symlink"), tmp);
jimage("extract", "--dir", symlink.toString(), getImagePath())
.assertSuccess()
.resultChecker(r -> {
assertTrue(r.output.isEmpty(), "Output is not expected");
});
verifyExplodedImage(tmp);
} catch (UnsupportedOperationException e) {
// symlinks are not supported
// nothing to test
}
}
public void testExtractToReadOnlyDir() throws IOException {
Set<PosixFilePermission> perms = PosixFilePermissions.fromString("r-xr--r--");
FileAttribute<Set<PosixFilePermission>> atts = PosixFilePermissions.asFileAttribute(perms);
Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName(), atts);
jimage("extract", "--dir", tmp.toString(), getImagePath())
.assertFailure()
.assertShowsError();
}
public void testExtractToNotEmptyDir() throws IOException {
Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
Files.createFile(Paths.get(tmp.toString(), ".not_empty"));
jimage("extract", "--dir", tmp.toString(), getImagePath())
.assertFailure()
.assertShowsError();
}
public void testExtractToFile() throws IOException {
Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_a_dir");
jimage("extract", "--dir", tmp.toString(), getImagePath())
.assertFailure()
.assertShowsError();
}
private void verifyExplodedImage(Path imagePath) throws IOException {
Set<Path> allModules = Files.walk(imagePath, 1).collect(Collectors.toSet());
assertTrue(allModules.stream().anyMatch(p -> "java.base".equals(p.getFileName().toString())),
"Exploded image contains java.base module.");
Set<Path> badModules = allModules.stream()
.filter(p -> !Files.exists(p.resolve("module-info.class")))
.collect(Collectors.toSet());
assertEquals(badModules, new HashSet<Path>() {{ add(imagePath); }},
"There are no exploded modules with missing 'module-info.class'");
}
public static void main(String[] args) throws Throwable {
new JImageExtractTest().runTests();
}
}