GenOpenModule.java revision 3792:d516975e8110 
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 jdeps --generate-open-module option
27 * @library ../lib
28 * @build CompilerUtils JdepsUtil JdepsRunner
29 * @modules jdk.jdeps/com.sun.tools.jdeps
30 * @run testng GenOpenModule
31 */
32
33import java.io.IOException;
34import java.io.InputStream;
35import java.lang.module.ModuleDescriptor;
36
37import java.nio.file.Files;
38import java.nio.file.Path;
39import java.nio.file.Paths;
40
41import java.util.stream.Stream;
42
43import org.testng.annotations.BeforeTest;
44import org.testng.annotations.Test;
45
46import static org.testng.Assert.assertEquals;
47import static org.testng.Assert.assertTrue;
48
49public class GenOpenModule extends GenModuleInfo {
50    private static final String MODULE_INFO = "module-info.class";
51
52    private static final Path MODS_DIR = Paths.get("mods");
53    private static final Path LIBS_DIR = Paths.get("libs");
54    private static final Path DEST_DIR = Paths.get("moduleinfosrc");
55    private static final Path NEW_MODS_DIR = Paths.get("new_mods");
56
57    /**
58     * Compiles all modules used by the test
59     */
60    @BeforeTest
61    public void compileAll() throws Exception {
62
63        compileModules(MODS_DIR);
64
65        createJARFiles(MODS_DIR, LIBS_DIR);
66    }
67
68    @Test
69    public void test() throws IOException {
70        Stream<String> files = MODULES.stream()
71                .map(mn -> LIBS_DIR.resolve(mn + ".jar"))
72                .map(Path::toString);
73
74        Stream<String> options = Stream.concat(
75            Stream.of("--generate-open-module", DEST_DIR.toString()), files);
76        JdepsRunner.run(options.toArray(String[]::new));
77
78        // check file exists
79        MODULES.stream()
80             .map(mn -> DEST_DIR.resolve(mn).resolve("module-info.java"))
81             .forEach(f -> assertTrue(Files.exists(f)));
82
83        // copy classes to a temporary directory
84        // and then compile new module-info.java
85        copyClasses(MODS_DIR, NEW_MODS_DIR);
86        compileNewGenModuleInfo(DEST_DIR, NEW_MODS_DIR);
87
88        for (String mn : MODULES) {
89            Path p1 = NEW_MODS_DIR.resolve(mn).resolve(MODULE_INFO);
90            Path p2 = MODS_DIR.resolve(mn).resolve(MODULE_INFO);
91
92            try (InputStream in1 = Files.newInputStream(p1);
93                 InputStream in2 = Files.newInputStream(p2)) {
94                verify(ModuleDescriptor.read(in1),
95                       ModuleDescriptor.read(in2));
96            }
97        }
98    }
99
100    /*
101     * Verify the dependences
102     */
103    private void verify(ModuleDescriptor openModule, ModuleDescriptor md) {
104        System.out.println("verifying: " + openModule.name());
105        assertTrue(openModule.isOpen());
106        assertTrue(!md.isOpen());
107        assertEquals(openModule.name(), md.name());
108        assertEquals(openModule.requires(), md.requires());
109        assertTrue(openModule.exports().isEmpty());
110        assertEquals(openModule.provides(), md.provides());
111    }
112}
113