Quelle ModuleFinderTest.java
Sprache: JAVA
/* * Copyright ( c ) 2015 , 2016 , Oracle and / or its affiliates . All rights reserved . * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER . * * This code is free software ; you can redistribute it and / or modify it * under the terms of the GNU General Public License version 2 only , as * published by the Free Software Foundation . * * This code is distributed in the hope that it will be useful , but WITHOUT * ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License * version 2 for more details ( a copy is included in the LICENSE file that * accompanied this code ) . * * You should have received a copy of the GNU General Public License version * 2 along with this work ; if not , write to the Free Software Foundation , * Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA . * * Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA * or visit www . oracle . com if you need additional information or have any * questions . /** * @ test * @ modules java . base / jdk . internal . module * @ build ModuleFinderTest * @ run testng ModuleFinderTest * @ summary Basic tests for java . lang . module . ModuleFinder import java.io.File;import java.io.OutputStream;import java.lang.module.FindException;import java.lang.module.InvalidModuleDescriptorException;import java.lang.module.ModuleDescriptor;import java.lang.module.ModuleFinder;import java.lang.module.ModuleReference;import java.nio.file.Files;import java.nio.file.Path;import java.nio.file.Paths;import java.util.Optional;import java.util.Set;import java.util.jar.JarEntry;import java.util.jar.JarOutputStream;import java.util.stream.Collectors;import jdk.internal.module.ModuleInfoWriter;import org.testng.annotations.Test;import static org.testng.Assert .*;public class ModuleFinderTest {private static final Path USER_DIR"user.dir" ));/** * Test ModuleFinder . ofSystem public void testOfSystem() {"java.se" ).isPresent());"java.base" ).isPresent());"java.rhubarb" ).isPresent());"java.se" ));"java.base" ));"java.rhubarb" ));/** * Test ModuleFinder . of with no entries public void testOfNoEntries() {"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with one directory of modules public void testOfOneDirectory() throws Exception {"mods" );"m1" ), "m1" );"m2.jar" ), "m2" );2 );"m1" ).isPresent());"m2" ).isPresent());"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with two directories public void testOfTwoDirectories() throws Exception {"mods1" );"m1" ), "m1@1.0" );"m2.jar" ), "m2@1.0" );"mods2" );"m1" ), "m1@2.0" );"m2.jar" ), "m2@2.0" );"m3" ), "m3" );"m4.jar" ), "m4" );4 );"m1" ).isPresent());"m2" ).isPresent());"m3" ).isPresent());"m4" ).isPresent());"java.rhubarb" ).isPresent());// check that m1@1.0 (and not m1@2.0) is found "m1" ).get().descriptor();"1.0" );// check that m2@1.0 (and not m2@2.0) is found "m2" ).get().descriptor();"1.0" );/** * Test ModuleFinder . of with one JAR file public void testOfOneJarFile() throws Exception {"mods" );"m1.jar" ), "m1" );1 );"m1" ).isPresent());"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with two JAR files public void testOfTwoJarFiles() throws Exception {"mods" );"m1.jar" ), "m1" );"m2.jar" ), "m2" );2 );"m1" ).isPresent());"m2" ).isPresent());"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with many JAR files public void testOfManyJarFiles() throws Exception {"mods" );"m1@1.0.jar" ), "m1@1.0" );"m2@1.0.jar" ), "m2" );"m1@2.0.jar" ), "m1@2.0" ); // shadowed "m3@1.0.jar" ), "m3" );3 );"m1" ).isPresent());"m2" ).isPresent());"m3" ).isPresent());"java.rhubarb" ).isPresent());// check that m1@1.0 (and not m1@2.0) is found "m1" ).get().descriptor();"1.0" );/** * Test ModuleFinder . of with one exploded module . public void testOfOneExplodedModule() throws Exception {"mods" );"m1" ), "m1" );1 );"m1" ).isPresent());"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with two exploded modules . public void testOfTwoExplodedModules() throws Exception {"mods" );"m1" ), "m1" );"m2" ), "m2" );2 );"m1" ).isPresent());"m2" ).isPresent());"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with a mix of module directories and JAR files . public void testOfMixDirectoriesAndJars() throws Exception {// directory with m1@1.0 and m2@1.0 "mods1" );"m1" ), "m1@1.0" );"m2.jar" ), "m2@1.0" );// JAR files: m1@2.0, m2@2.0, m3@2.0, m4@2.0 "mods2" );"m1.jar" ), "m1@2.0" );"m2.jar" ), "m2@2.0" );"m3.jar" ), "m3@2.0" );"m4.jar" ), "m4@2.0" );// directory with m3@3.0 and m4@3.0 "mods3" );"m3" ), "m3@3.0" );"m4.jar" ), "m4@3.0" );// JAR files: m5 and m6 "mods4" );"m5.jar" ), "m5@4.0" );"m6.jar" ), "m6@4.0" );6 );"m1" ).isPresent());"m2" ).isPresent());"m3" ).isPresent());"m4" ).isPresent());"m5" ).isPresent());"m6" ).isPresent());"java.rhubarb" ).isPresent());// m1 and m2 should be located in dir1 "m1" ).get().descriptor();"1.0" );"m2" ).get().descriptor();"1.0" );// m3 and m4 should be located in JAR files "m3" ).get().descriptor();"2.0" );"m4" ).get().descriptor();"2.0" );// m5 and m6 should be located in JAR files "m5" ).get().descriptor();"4.0" );"m6" ).get().descriptor();"4.0" );/** * Test ModuleFinder . of with a mix of module directories and exploded * modules . public void testOfMixDirectoriesAndExplodedModules() throws Exception {// directory with m1@1.0 and m2@1.0 "mods1" );"m1" ), "m1@1.0" );"m2.jar" ), "m2@1.0" );// exploded modules: m1@2.0, m2@2.0, m3@2.0, m4@2.0 "mods2" );"m1" ), "m1@2.0" );"m2" ), "m2@2.0" );"m3" ), "m3@2.0" );"m4" ), "m4@2.0" );4 );"m1" ).isPresent());"m2" ).isPresent());"m3" ).isPresent());"m4" ).isPresent());"java.rhubarb" ).isPresent());// m1 and m2 should be located in dir1 "m1" ).get().descriptor();"1.0" );"m2" ).get().descriptor();"1.0" );// m3 and m4 should be located in dir2 "m3" ).get().descriptor();"2.0" );"m4" ).get().descriptor();"2.0" );/** * Test ModuleFinder with a JAR file containing a mix of class and * non - class resources . public void testOfOneJarFileWithResources() throws Exception {"mods" );"m.jar" ), "m" ,"LICENSE" ,"README" ,"WEB-INF/tags" ,"p/Type.class" ,"p/resources/m.properties" ,"q-/Type.class" , // not a legal package name "q-/resources/m/properties" );"m" );"m1 not found" );2 );"p" ));"p.resources" ));/** * Test ModuleFinder with an exploded module containing a mix of class * and non - class resources public void testOfOneExplodedModuleWithResources() throws Exception {"mods" );"m" ), "m" ,"LICENSE" ,"README" ,"WEB-INF/tags" ,"p/Type.class" ,"p/resources/m.properties" ,"q-/Type.class" , // not a legal package name "q-/resources/m/properties" );"m" );"m not found" );2 );"p" ));"p.resources" ));/** * Test ModuleFinder with a JAR file containing a . class file in the top * level directory . public void testOfOneJarFileWithTopLevelClass() throws Exception {"mods" );"m.jar" ), "m" , "Mojo.class" );try {"m" );false );catch (FindException e) {instanceof InvalidModuleDescriptorException);"Mojo.class" ));try {false );catch (FindException e) {instanceof InvalidModuleDescriptorException);"Mojo.class" ));/** * Test ModuleFinder with a JAR file containing a . class file in the top * level directory . public void testOfOneExplodedModuleWithTopLevelClass() throws Exception {"mods" );"m" ), "m" , "Mojo.class" );try {"m" );false );catch (FindException e) {instanceof InvalidModuleDescriptorException);"Mojo.class" ));try {false );catch (FindException e) {instanceof InvalidModuleDescriptorException);"Mojo.class" ));/** * Test ModuleFinder . of with a path to a file that does not exist . public void testOfWithDoesNotExistEntry() throws Exception {"mods1" );"mods2" );"m2.jar" ), "m2@1.0" );delete (dir1);"m2" ).isPresent());1 );"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with a file path to an unrecognized file type . public void testOfWithUnrecognizedEntry() throws Exception {"mods" );"m" , ".junk" );try {"java.rhubarb" );false );catch (FindException e) {// expected try {false );catch (FindException e) {// expected /** * Test ModuleFinder . of with a file path to a directory containing a file * that will not be recognized as a module . public void testOfWithUnrecognizedEntryInDirectory1() throws Exception {"mods" );"m" , ".junk" );"java.rhubarb" ).isPresent());/** * Test ModuleFinder . of with a file path to a directory containing a file * that will not be recognized as a module . public void testOfWithUnrecognizedEntryInDirectory2() throws Exception {"mods" );"m1.jar" ), "m1" );"m2" , ".junk" );"m1" ).isPresent());"m2" ).isPresent());1 );/** * Test ModuleFinder . of with a directory that contains two * versions of the same module public void testOfDuplicateModulesInDirectory() throws Exception {"mods" );"m1@1.0.jar" ), "m1" );"m1@2.0.jar" ), "m1" );try {"m1" );false );catch (FindException expected) { }try {false );catch (FindException expected) { }/** * Test ModuleFinder . of with a directory containing hidden files public void testOfWithHiddenFiles() throws Exception {"mods" );"m" ), "m" ,"com/.ignore" ,"com/foo/.ignore" ,"com/foo/foo.properties" );"m" ).orElse(null );if (System.getProperty("os.name" ).startsWith("Windows" )) {"com" , "com.foo" );else {"com.foo" );/** * Test ModuleFinder . of with a truncated module - info . class public void testOfWithTruncatedModuleInfo() throws Exception {"mods" );// create an empty <dir>/rhubarb/module-info.class "rhubarb" ));"module-info.class" ));try {"rhubarb" );false );catch (FindException e) {instanceof InvalidModuleDescriptorException);try {false );catch (FindException e) {instanceof InvalidModuleDescriptorException);/** * Test ModuleFinder . compose with no module finders public void testComposeOfNone() throws Exception {"java.rhubarb" ).isPresent());/** * Test ModuleFinder . compose with one module finder public void testComposeOfOne() throws Exception {"mods" );"m1.jar" ), "m1" );"m2.jar" ), "m2" );2 );"m1" ).isPresent());"m2" ).isPresent());"java.rhubarb" ).isPresent());/** * Test ModuleFinder . compose with two module finders public void testComposeOfTwo() throws Exception {"mods1" );"m1.jar" ), "m1@1.0" );"m2.jar" ), "m2@1.0" );"mods2" );"m1.jar" ), "m1@2.0" );"m2.jar" ), "m2@2.0" );"m3.jar" ), "m3" );"m4.jar" ), "m4" );4 );"m1" ).isPresent());"m2" ).isPresent());"m3" ).isPresent());"m4" ).isPresent());"java.rhubarb" ).isPresent());// check that m1@1.0 is found "m1" ).get().descriptor();"1.0" );// check that m2@1.0 is found "m2" ).get().descriptor();"1.0" );/** * Test ModuleFinder . compose with three module finders public void testComposeOfThree() throws Exception {"mods1" );"m1.jar" ), "m1@1.0" );"m2.jar" ), "m2@1.0" );"mods2" );"m1.jar" ), "m1@2.0" );"m2.jar" ), "m2@2.0" );"m3.jar" ), "m3@2.0" );"m4.jar" ), "m4@2.0" );"mods3" );"m3.jar" ), "m3@3.0" );"m4.jar" ), "m4@3.0" );"m5.jar" ), "m5" );"m6.jar" ), "m6" );6 );"m1" ).isPresent());"m2" ).isPresent());"m3" ).isPresent());"m4" ).isPresent());"m5" ).isPresent());"m6" ).isPresent());"java.rhubarb" ).isPresent());// check that m1@1.0 is found "m1" ).get().descriptor();"1.0" );// check that m2@1.0 is found "m2" ).get().descriptor();"1.0" );// check that m3@2.0 is found "m3" ).get().descriptor();"2.0" );// check that m4@2.0 is found "m4" ).get().descriptor();"2.0" );/** * Test null handling public void testNulls() {// ofSystem try {null );false );catch (NullPointerException expected) { }// of "d" );try {null );false );catch (NullPointerException expected) { }try {null );false );catch (NullPointerException expected) { }try {null );false );catch (NullPointerException expected) { }try {null );false );catch (NullPointerException expected) { }try {null , dir);false );catch (NullPointerException expected) { }// compose try {null );false );catch (NullPointerException expected) { }try {null );false );catch (NullPointerException expected) { }try {null );false );catch (NullPointerException expected) { }try {null , finder);false );catch (NullPointerException expected) { }/** * Parses a string of the form { @ code name [ @ version ] } and returns a * ModuleDescriptor with that name and version . The ModuleDescriptor * will have a requires on java . base . static ModuleDescriptor newModuleDescriptor(String mid) {int i = mid.indexOf("@" );if (i == -1 ) {null ;else {0 , i);1 );"java.base" );if (vs != null )return builder.build();/** * Creates an exploded module in the given directory and containing a * module descriptor with the given module name / version . static Path createExplodedModule(Path dir, String mid, String... entries)throws Exception"module-info.class" );try (OutputStream out = Files.newOutputStream(mi)) {for (String entry : entries) {'/' , File.separatorChar));return dir;/** * Creates a JAR file with the given file path and containing a module * descriptor with the given module name / version . static Path createModularJar(Path file, String mid, String ... entries)throws Exceptiontry (OutputStream out = Files.newOutputStream(file)) {try (JarOutputStream jos = new JarOutputStream(out)) {new JarEntry("module-info.class" );for (String entry : entries) {new JarEntry(entry);return file;
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