31 */
32
33 import java.io.File;
34 import java.lang.module.Configuration;
35 import java.lang.module.ModuleFinder;
36 import java.lang.module.ModuleReader;
37 import java.lang.module.ModuleReference;
38 import java.lang.reflect.Method;
39 import java.nio.file.FileSystem;
40 import java.nio.file.FileSystems;
41 import java.nio.file.Files;
42 import java.nio.file.Path;
43 import java.nio.file.Paths;
44 import java.util.Set;
45
46 import org.testng.annotations.Test;
47 import static org.testng.Assert.*;
48
49 @Test
50 public class ModulesInCustomFileSystem {
51
52 /**
53 * Test exploded modules in a JAR file system.
54 */
55 public void testExplodedModulesInJarFileSystem() throws Exception {
56 Path m1 = findModuleDirectory("m1");
57 Path m2 = findModuleDirectory("m2");
58 Path mlib = m1.getParent();
59 assertEquals(mlib, m2.getParent());
60
61 // create JAR file containing m1/** and m2/**
62 Path jar = Files.createTempDirectory("mlib").resolve("modules.jar");
63 JarUtils.createJarFile(jar, mlib);
64 testJarFileSystem(jar);
65 }
66
67 /**
68 * Test modular JARs in a JAR file system
69 */
70 public void testModularJARsInJarFileSystem() throws Exception {
71 Path m1 = findModuleDirectory("m1");
72 Path m2 = findModuleDirectory("m2");
73 Path contents = Files.createTempDirectory("contents");
74 JarUtils.createJarFile(contents.resolve("m1.jar"), m1);
75 JarUtils.createJarFile(contents.resolve("m2.jar"), m2);
76
77 // create JAR file containing m1.jar and m2.jar
78 Path jar = Files.createTempDirectory("mlib").resolve("modules.jar");
79 JarUtils.createJarFile(jar, contents);
80 testJarFileSystem(jar);
81 }
82
83 /**
84 * Opens a JAR file as a file system
85 */
86 private void testJarFileSystem(Path jar) throws Exception {
87 ClassLoader scl = ClassLoader.getSystemClassLoader();
88 try (FileSystem fs = FileSystems.newFileSystem(jar, scl)) {
89 // ModuleFinder to find modules in top-level directory
90 Path top = fs.getPath("/");
91 ModuleFinder finder = ModuleFinder.of(top);
92
93 // list the modules
94 listAllModules(finder);
95
96 // load modules into child layer, invoking m1/p.Main
97 loadAndRunModule(finder);
98 }
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31 */
32
33 import java.io.File;
34 import java.lang.module.Configuration;
35 import java.lang.module.ModuleFinder;
36 import java.lang.module.ModuleReader;
37 import java.lang.module.ModuleReference;
38 import java.lang.reflect.Method;
39 import java.nio.file.FileSystem;
40 import java.nio.file.FileSystems;
41 import java.nio.file.Files;
42 import java.nio.file.Path;
43 import java.nio.file.Paths;
44 import java.util.Set;
45
46 import org.testng.annotations.Test;
47 import static org.testng.Assert.*;
48
49 @Test
50 public class ModulesInCustomFileSystem {
51 private static final Path HERE = Paths.get("");
52
53 /**
54 * Test exploded modules in a JAR file system.
55 */
56 public void testExplodedModulesInJarFileSystem() throws Exception {
57 Path m1 = findModuleDirectory("m1");
58 Path m2 = findModuleDirectory("m2");
59 Path mlib = m1.getParent();
60 assertEquals(mlib, m2.getParent());
61
62 // create JAR file containing m1/** and m2/**
63 Path jar = Files.createTempDirectory(HERE, "mlib").resolve("modules.jar");
64 JarUtils.createJarFile(jar, mlib);
65 testJarFileSystem(jar);
66 }
67
68 /**
69 * Test modular JARs in a JAR file system
70 */
71 public void testModularJARsInJarFileSystem() throws Exception {
72 Path m1 = findModuleDirectory("m1");
73 Path m2 = findModuleDirectory("m2");
74 Path contents = Files.createTempDirectory(HERE, "contents");
75 JarUtils.createJarFile(contents.resolve("m1.jar"), m1);
76 JarUtils.createJarFile(contents.resolve("m2.jar"), m2);
77
78 // create JAR file containing m1.jar and m2.jar
79 Path jar = Files.createTempDirectory(HERE, "mlib").resolve("modules.jar");
80 JarUtils.createJarFile(jar, contents);
81 testJarFileSystem(jar);
82 }
83
84 /**
85 * Opens a JAR file as a file system
86 */
87 private void testJarFileSystem(Path jar) throws Exception {
88 ClassLoader scl = ClassLoader.getSystemClassLoader();
89 try (FileSystem fs = FileSystems.newFileSystem(jar, scl)) {
90 // ModuleFinder to find modules in top-level directory
91 Path top = fs.getPath("/");
92 ModuleFinder finder = ModuleFinder.of(top);
93
94 // list the modules
95 listAllModules(finder);
96
97 // load modules into child layer, invoking m1/p.Main
98 loadAndRunModule(finder);
99 }
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