1 /*
2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @summary Tests to verify jimage 'extract' action
27 * @library /test/lib
28 * @modules jdk.jlink/jdk.tools.jimage
29 * @build jdk.test.lib.Asserts
30 * @run main/othervm/timeout=300 JImageExtractTest
31 */
32
33 import java.io.IOException;
34 import java.nio.file.Files;
35 import java.nio.file.Path;
36 import java.nio.file.Paths;
37 import java.nio.file.attribute.*;
38 import java.util.Arrays;
39 import java.util.HashSet;
40 import java.util.List;
41 import java.util.Set;
42 import java.util.stream.Collectors;
43
44 import static jdk.test.lib.Asserts.assertEquals;
45 import static jdk.test.lib.Asserts.assertTrue;
46
47 public class JImageExtractTest extends JImageCliTest {
48 public void testExtract() throws IOException {
49 Set<Path> notJImageModules = Files.walk(Paths.get("."),1).collect(Collectors.toSet());
50 jimage("extract", getImagePath())
51 .assertSuccess()
52 .resultChecker(r -> {
53 assertTrue(r.output.isEmpty(), "Output is not expected");
54 });
55 verifyExplodedImage(Paths.get("."), notJImageModules);
56 }
57
58 public void testExtractHelp() {
59 for (String opt : Arrays.asList("-h", "--help")) {
60 jimage("extract", "--help")
61 .assertSuccess()
62 .resultChecker(r -> {
63 // extract - descriptive text
64 assertMatches("\\s+extract\\s+-\\s+.*", r.output);
65 });
66 }
67 }
68
69 public void testExtractToDir() throws IOException {
70 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
71 Set<Path> notJImageModules = Files.walk(tmp,1).collect(Collectors.toSet());
72 jimage("extract", "--dir", tmp.toString(), getImagePath())
73 .assertSuccess()
74 .resultChecker(r -> {
75 assertTrue(r.output.isEmpty(), "Output is not expected");
76 });
77 verifyExplodedImage(tmp, notJImageModules);
78 }
79
80 public void testExtractNoImageSpecified() {
81 jimage("extract", "")
82 .assertFailure()
83 .assertShowsError();
84 }
85
86 public void testExtractNotAnImage() throws IOException {
87 Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_an_image");
88 jimage("extract", tmp.toString())
89 .assertFailure()
90 .assertShowsError();
91 }
92
93 public void testExtractNotExistingImage() throws IOException {
94 Path tmp = Paths.get(".", "not_existing_image");
95 Files.deleteIfExists(tmp);
96 jimage("extract", tmp.toString())
97 .assertFailure()
98 .assertShowsError();
99 }
100
101 public void testExtractToUnspecifiedDir() {
102 jimage("extract", "--dir", "--", getImagePath())
103 .assertFailure()
104 .assertShowsError();
105 }
106
107 public void testExtractToNotExistingDir() throws IOException {
108 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
109 Set<Path> notJImageModules = Files.walk(tmp,1).collect(Collectors.toSet());
110 Files.delete(tmp);
111 jimage("extract", "--dir", tmp.toString(), getImagePath())
112 .assertSuccess()
113 .resultChecker(r -> {
114 assertTrue(r.output.isEmpty(), "Output is not expected");
115 });
116 verifyExplodedImage(tmp, notJImageModules);
117 }
118
119 public void testExtractFromDir() {
120 Path imagePath = Paths.get(getImagePath());
121 Path imageDirPath = imagePath.subpath(0, imagePath.getNameCount() - 1);
122 jimage("extract", imageDirPath.toString())
123 .assertFailure()
124 .assertShowsError();
125 }
126
127 public void testExtractToDirBySymlink() throws IOException {
128 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
129 Path symlink;
130 try {
131 symlink = Files.createSymbolicLink(Paths.get(".", "symlink"), tmp);
132 } catch (IOException|UnsupportedOperationException e) {
133 // symlinks are not supported
134 // nothing to test
135 return;
136 }
137 Set<Path> notJImageModules = Files.walk(tmp,1).collect(Collectors.toSet());
138 jimage("extract", "--dir", symlink.toString(), getImagePath())
139 .assertSuccess()
140 .resultChecker(r -> {
141 assertTrue(r.output.isEmpty(), "Output is not expected");
142 });
143 verifyExplodedImage(tmp, notJImageModules);
144 }
145
146 public void testExtractToReadOnlyDir() throws IOException {
147 Path filePath = Files.createTempDirectory(Paths.get("."), getClass().getName());
148 Set<String> supportedAttr = filePath.getFileSystem().supportedFileAttributeViews();
149 if (supportedAttr.contains("posix")) {
150 Files.setPosixFilePermissions(filePath, PosixFilePermissions.fromString("r-xr--r--"));
151 } else if (supportedAttr.contains("acl")) {
152 System.out.println("Entered into acl block");
153 UserPrincipal fileOwner = Files.getOwner(filePath);
154 AclFileAttributeView view = Files.getFileAttributeView(filePath, AclFileAttributeView.class);
155 AclEntry entry = AclEntry.newBuilder()
156 .setType(AclEntryType.DENY)
157 .setPrincipal(fileOwner)
158 .setPermissions(AclEntryPermission.WRITE_DATA)
159 .setFlags(AclEntryFlag.FILE_INHERIT, AclEntryFlag.DIRECTORY_INHERIT)
160 .build();
161 List<AclEntry> acl = view.getAcl();
162 acl.add(0, entry);
163 view.setAcl(acl);
164 }
165 jimage("extract", "--dir", filePath.toString(), getImagePath())
166 .assertFailure()
167 .assertShowsError();
168 }
169
170 public void testExtractToNotEmptyDir() throws IOException {
171 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
172 Files.createFile(Paths.get(tmp.toString(), ".not_empty"));
173 jimage("extract", "--dir", tmp.toString(), getImagePath())
174 .assertSuccess()
175 .resultChecker(r -> {
176 assertTrue(r.output.isEmpty(), "Output is not expected");
177 });
178 }
179
180 public void testExtractToFile() throws IOException {
181 Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_a_dir");
182 jimage("extract", "--dir", tmp.toString(), getImagePath())
183 .assertFailure()
184 .assertShowsError();
185 }
186
187 private void verifyExplodedImage(Path imagePath, Set<Path> notJImageModules) throws IOException {
188 Set<Path> allModules = Files.walk(imagePath, 1).collect(Collectors.toSet());
189 assertTrue(allModules.stream().anyMatch(p -> "java.base".equals(p.getFileName().toString())),
190 "Exploded image contains java.base module.");
191 Set<Path> badModules = allModules.stream()
192 .filter(p -> !Files.exists(p.resolve("module-info.class")))
193 .collect(Collectors.toSet());
194 // filter bad modules which are not part of jimage
195 badModules.removeAll(notJImageModules);
196 assertEquals(badModules, new HashSet<Path>() {{}},
197 "There are no exploded modules with missing 'module-info.class'");
198 }
199
200 public static void main(String[] args) throws Throwable {
201 new JImageExtractTest().runTests();
202 }
203 }
204