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 * @build jdk.test.lib.Asserts
30 * @run main/othervm 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.FileAttribute;
38 import java.nio.file.attribute.PosixFilePermission;
39 import java.nio.file.attribute.PosixFilePermissions;
40 import java.util.Arrays;
41 import java.util.HashSet;
42 import java.util.Set;
43 import java.util.stream.Collectors;
44
45 import static jdk.test.lib.Asserts.assertEquals;
46 import static jdk.test.lib.Asserts.assertTrue;
47
48 public class JImageExtractTest extends JImageCliTest {
49 public void testExtract() throws IOException {
50 jimage("extract", getImagePath())
51 .assertSuccess()
52 .resultChecker(r -> {
53 assertTrue(r.output.isEmpty(), "Output is not expected");
54 });
55 verifyExplodedImage(Paths.get("."));
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 jimage("extract", "--dir", tmp.toString(), getImagePath())
72 .assertSuccess()
73 .resultChecker(r -> {
74 assertTrue(r.output.isEmpty(), "Output is not expected");
75 });
76 verifyExplodedImage(tmp);
77 }
78
79 public void testExtractNoImageSpecified() {
80 jimage("extract", "")
81 .assertFailure()
82 .assertShowsError();
83 }
84
85 public void testExtractNotAnImage() throws IOException {
86 Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_an_image");
87 jimage("extract", tmp.toString())
88 .assertFailure()
89 .assertShowsError();
90 }
91
92 public void testExtractNotExistingImage() throws IOException {
93 Path tmp = Paths.get(".", "not_existing_image");
94 Files.deleteIfExists(tmp);
95 jimage("extract", tmp.toString())
96 .assertFailure()
97 .assertShowsError();
98 }
99
100 public void testExtractToUnspecifiedDir() {
101 jimage("extract", "--dir", "--", getImagePath())
102 .assertFailure()
103 .assertShowsError();
104 }
105
106 public void testExtractToNotExistingDir() throws IOException {
107 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
108 Files.delete(tmp);
109 jimage("extract", "--dir", tmp.toString(), getImagePath())
110 .assertSuccess()
111 .resultChecker(r -> {
112 assertTrue(r.output.isEmpty(), "Output is not expected");
113 });
114 verifyExplodedImage(tmp);
115 }
116
117 public void testExtractFromDir() {
118 Path imagePath = Paths.get(getImagePath());
119 Path imageDirPath = imagePath.subpath(0, imagePath.getNameCount() - 1);
120 jimage("extract", imageDirPath.toString())
121 .assertFailure()
122 .assertShowsError();
123 }
124
125 public void testExtractToDirBySymlink() throws IOException {
126 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
127 try {
128 Path symlink = Files.createSymbolicLink(Paths.get(".", "symlink"), tmp);
129 jimage("extract", "--dir", symlink.toString(), getImagePath())
130 .assertSuccess()
131 .resultChecker(r -> {
132 assertTrue(r.output.isEmpty(), "Output is not expected");
133 });
134 verifyExplodedImage(tmp);
135 } catch (UnsupportedOperationException e) {
136 // symlinks are not supported
137 // nothing to test
138 }
139 }
140
141 public void testExtractToReadOnlyDir() throws IOException {
142 Set<PosixFilePermission> perms = PosixFilePermissions.fromString("r-xr--r--");
143 FileAttribute<Set<PosixFilePermission>> atts = PosixFilePermissions.asFileAttribute(perms);
144 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName(), atts);
145 jimage("extract", "--dir", tmp.toString(), getImagePath())
146 .assertFailure()
147 .assertShowsError();
148 }
149
150 public void testExtractToNotEmptyDir() throws IOException {
151 Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
152 Files.createFile(Paths.get(tmp.toString(), ".not_empty"));
153 jimage("extract", "--dir", tmp.toString(), getImagePath())
154 .assertFailure()
155 .assertShowsError();
156 }
157
158 public void testExtractToFile() throws IOException {
159 Path tmp = Files.createTempFile(Paths.get("."), getClass().getName(), "not_a_dir");
160 jimage("extract", "--dir", tmp.toString(), getImagePath())
161 .assertFailure()
162 .assertShowsError();
163 }
164
165 private void verifyExplodedImage(Path imagePath) throws IOException {
166 Set<Path> allModules = Files.walk(imagePath, 1).collect(Collectors.toSet());
167 assertTrue(allModules.stream().anyMatch(p -> "java.base".equals(p.getFileName().toString())),
168 "Exploded image contains java.base module.");
169
170 Set<Path> badModules = allModules.stream()
171 .filter(p -> !Files.exists(p.resolve("module-info.class")))
172 .collect(Collectors.toSet());
173 assertEquals(badModules, new HashSet<Path>() {{ add(imagePath); }},
174 "There are no exploded modules with missing 'module-info.class'");
175 }
176
177 public static void main(String[] args) throws Throwable {
178 new JImageExtractTest().runTests();
179 }
180 }
181