1 /*
2 * Copyright (c) 2016, 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 * @run main/othervm JImageExtractTest
30 */
31
32 import java.io.IOException;
33 import java.nio.file.Files;
34 import java.nio.file.Path;
35 import java.nio.file.Paths;
36 import java.nio.file.attribute.FileAttribute;
37 import java.nio.file.attribute.PosixFilePermission;
38 import java.nio.file.attribute.PosixFilePermissions;
39 import java.util.Arrays;
40 import java.util.HashSet;
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 jimage("extract", getImagePath())
50 .assertSuccess()
51 .resultChecker(r -> {
52 assertTrue(r.output.isEmpty(), "Output is not expected");
53 });
54 verifyExplodedImage(Paths.get("."));
55 }
56
57 public void testExtractHelp() {
58 for (String opt : Arrays.asList("-h", "--help")) {
59 jimage("extract", "--help")
60 .assertSuccess()
61 .resultChecker(r -> {
62 // extract - descriptive text
63 assertMatches("\\s+extract\\s+-\\s+.*", r.output);
64 });
65 }
66 }
67
68 public void testExtractToDir() throws IOException {
69 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
70 jimage("extract", "--dir", tmp.toString(), getImagePath())
71 .assertSuccess()
72 .resultChecker(r -> {
73 assertTrue(r.output.isEmpty(), "Output is not expected");
74 });
75 verifyExplodedImage(tmp);
76 }
77
78 public void testExtractNoImageSpecified() {
79 jimage("extract", "")
80 .assertFailure()
81 .assertShowsError();
82 }
83
84 public void testExtractNotAnImage() throws IOException {
85 Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_an_image");
86 jimage("extract", tmp.toString())
87 .assertFailure()
88 .assertShowsError();
89 }
90
91 public void testExtractNotExistingImage() throws IOException {
92 Path tmp = Paths.get(".", "not_existing_image");
93 Files.deleteIfExists(tmp);
94 jimage("extract", tmp.toString())
95 .assertFailure()
96 .assertShowsError();
97 }
98
99 public void testExtractToUnspecifiedDir() {
100 jimage("extract", "--dir", "--", getImagePath())
101 .assertFailure()
102 .assertShowsError();
103 }
104
105 public void testExtractToNotExistingDir() throws IOException {
106 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
107 Files.delete(tmp);
108 jimage("extract", "--dir", tmp.toString(), getImagePath())
109 .assertSuccess()
110 .resultChecker(r -> {
111 assertTrue(r.output.isEmpty(), "Output is not expected");
112 });
113 verifyExplodedImage(tmp);
114 }
115
116 public void testExtractFromDir() {
117 Path imagePath = Paths.get(getImagePath());
118 Path imageDirPath = imagePath.subpath(0, imagePath.getNameCount() - 1);
119 jimage("extract", imageDirPath.toString())
120 .assertFailure()
121 .assertShowsError();
122 }
123
124 public void testExtractToDirBySymlink() throws IOException {
125 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
126 try {
127 Path symlink = Files.createSymbolicLink(Paths.get(".", "symlink"), tmp);
128 jimage("extract", "--dir", symlink.toString(), getImagePath())
129 .assertSuccess()
130 .resultChecker(r -> {
131 assertTrue(r.output.isEmpty(), "Output is not expected");
132 });
133 verifyExplodedImage(tmp);
134 } catch (UnsupportedOperationException e) {
135 // symlinks are not supported
136 // nothing to test
137 }
138 }
139
140 public void testExtractToReadOnlyDir() throws IOException {
141 Set<PosixFilePermission> perms = PosixFilePermissions.fromString("r-xr--r--");
142 FileAttribute<Set<PosixFilePermission>> atts = PosixFilePermissions.asFileAttribute(perms);
143 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName(), atts);
144 jimage("extract", "--dir", tmp.toString(), getImagePath())
145 .assertFailure()
146 .assertShowsError();
147 }
148
149 public void testExtractToNotEmptyDir() throws IOException {
150 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
151 Files.createFile(Paths.get(tmp.toString(), ".not_empty"));
152 jimage("extract", "--dir", tmp.toString(), getImagePath())
153 .assertFailure()
154 .assertShowsError();
155 }
156
157 public void testExtractToFile() throws IOException {
158 Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_a_dir");
159 jimage("extract", "--dir", tmp.toString(), getImagePath())
160 .assertFailure()
161 .assertShowsError();
162 }
163
164 private void verifyExplodedImage(Path imagePath) throws IOException {
165 Set<Path> allModules = Files.walk(imagePath, 1).collect(Collectors.toSet());
166 assertTrue(allModules.stream().anyMatch(p -> "java.base".equals(p.getFileName().toString())),
167 "Exploded image contains java.base module.");
168
169 Set<Path> badModules = allModules.stream()
170 .filter(p -> !Files.exists(p.resolve("module-info.class")))
171 .collect(Collectors.toSet());
172 assertEquals(badModules, new HashSet<Path>() {{ add(imagePath); }},
173 "There are no exploded modules with missing 'module-info.class'");
174 }
175
176 public static void main(String[] args) throws Throwable {
177 new JImageExtractTest().runTests();
178 }
179 }
180