| /* |
| * Copyright (c) 2015, 2017, 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 |
| * @library /lib/testlibrary /test/lib |
| * @modules java.base/jdk.internal.module |
| * jdk.compiler |
| * @build ModuleReaderTest jdk.test.lib.compiler.CompilerUtils JarUtils |
| * @run testng ModuleReaderTest |
| * @summary Basic tests for java.lang.module.ModuleReader |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.module.ModuleFinder; |
| import java.lang.module.ModuleReader; |
| import java.lang.module.ModuleReference; |
| import java.net.URI; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.nio.ByteBuffer; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.spi.ToolProvider; |
| |
| import jdk.internal.module.ModulePath; |
| import jdk.test.lib.compiler.CompilerUtils; |
| |
| import org.testng.annotations.BeforeTest; |
| import org.testng.annotations.Test; |
| import static org.testng.Assert.*; |
| |
| @Test |
| public class ModuleReaderTest { |
| |
| private static final String TEST_SRC = System.getProperty("test.src"); |
| |
| private static final Path USER_DIR = Paths.get(System.getProperty("user.dir")); |
| private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); |
| private static final Path MODS_DIR = Paths.get("mods"); |
| |
| // the module name of the base module |
| private static final String BASE_MODULE = "java.base"; |
| |
| // the module name of the test module |
| private static final String TEST_MODULE = "m"; |
| |
| // resources in the base module |
| private static final String[] BASE_RESOURCES = { |
| "java/lang/Object.class" |
| }; |
| |
| // (directory) resources that may be in the base module |
| private static final String[] MAYBE_BASE_RESOURCES = { |
| "java", |
| "java/", |
| "java/lang", |
| "java/lang/", |
| }; |
| |
| // resource names that should not be found in the base module |
| private static final String[] NOT_BASE_RESOURCES = { |
| "NotFound", |
| "/java", |
| "//java", |
| "/java/lang", |
| "//java/lang", |
| "java//lang", |
| "/java/lang/Object.class", |
| "//java/lang/Object.class", |
| "java/lang/Object.class/", |
| "java//lang//Object.class", |
| "./java/lang/Object.class", |
| "java/./lang/Object.class", |
| "java/lang/./Object.class", |
| "../java/lang/Object.class", |
| "java/../lang/Object.class", |
| "java/lang/../Object.class", |
| }; |
| |
| // resources in test module (can't use module-info.class as a test |
| // resource as it will be modified by the jmod tool) |
| private static final String[] TEST_RESOURCES = { |
| "p/Main.class" |
| }; |
| |
| // (directory) resources that may be in the test module |
| private static final String[] MAYBE_TEST_RESOURCES = { |
| "p", |
| "p/" |
| }; |
| |
| // resource names that should not be found in the test module |
| private static final String[] NOT_TEST_RESOURCES = { |
| "NotFound", |
| "/p", |
| "//p", |
| "/p/Main.class", |
| "//p/Main.class", |
| "p/Main.class/", |
| "p//Main.class", |
| "./p/Main.class", |
| "p/./Main.class", |
| "../p/Main.class", |
| "p/../p/Main.class" |
| }; |
| |
| |
| @BeforeTest |
| public void compileTestModule() throws Exception { |
| |
| // javac -d mods/$TESTMODULE src/$TESTMODULE/** |
| boolean compiled |
| = CompilerUtils.compile(SRC_DIR.resolve(TEST_MODULE), |
| MODS_DIR.resolve(TEST_MODULE)); |
| assertTrue(compiled, "test module did not compile"); |
| } |
| |
| |
| /** |
| * Test ModuleReader to module in runtime image |
| */ |
| public void testImage() throws IOException { |
| |
| ModuleFinder finder = ModuleFinder.ofSystem(); |
| ModuleReference mref = finder.find(BASE_MODULE).get(); |
| ModuleReader reader = mref.open(); |
| |
| try (reader) { |
| |
| for (String name : BASE_RESOURCES) { |
| byte[] expectedBytes; |
| Module baseModule = Object.class.getModule(); |
| try (InputStream in = baseModule.getResourceAsStream(name)) { |
| expectedBytes = in.readAllBytes(); |
| } |
| |
| testFind(reader, name, expectedBytes); |
| testOpen(reader, name, expectedBytes); |
| testRead(reader, name, expectedBytes); |
| testList(reader, name); |
| } |
| |
| // test resources that may be in the base module |
| for (String name : MAYBE_BASE_RESOURCES) { |
| Optional<URI> ouri = reader.find(name); |
| ouri.ifPresent(uri -> { |
| if (name.endsWith("/")) |
| assertTrue(uri.toString().endsWith("/")); |
| }); |
| } |
| |
| // test "not found" in java.base module |
| for (String name : NOT_BASE_RESOURCES) { |
| assertFalse(reader.find(name).isPresent()); |
| assertFalse(reader.open(name).isPresent()); |
| assertFalse(reader.read(name).isPresent()); |
| } |
| |
| // test nulls |
| try { |
| reader.find(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| try { |
| reader.open(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| try { |
| reader.read(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| try { |
| reader.release(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| } |
| |
| // test closed ModuleReader |
| try { |
| reader.open(BASE_RESOURCES[0]); |
| assertTrue(false); |
| } catch (IOException expected) { } |
| |
| |
| try { |
| reader.read(BASE_RESOURCES[0]); |
| assertTrue(false); |
| } catch (IOException expected) { } |
| } |
| |
| |
| /** |
| * Test ModuleReader to exploded module |
| */ |
| public void testExplodedModule() throws IOException { |
| test(MODS_DIR); |
| } |
| |
| |
| /** |
| * Test ModuleReader to modular JAR |
| */ |
| public void testModularJar() throws IOException { |
| Path dir = Files.createTempDirectory(USER_DIR, "mlib"); |
| |
| // jar cf mlib/${TESTMODULE}.jar -C mods . |
| JarUtils.createJarFile(dir.resolve("m.jar"), |
| MODS_DIR.resolve(TEST_MODULE)); |
| |
| test(dir); |
| } |
| |
| |
| /** |
| * Test ModuleReader to JMOD |
| */ |
| public void testJMod() throws IOException { |
| Path dir = Files.createTempDirectory(USER_DIR, "mlib"); |
| |
| // jmod create --class-path mods/${TESTMODULE} mlib/${TESTMODULE}.jmod |
| String cp = MODS_DIR.resolve(TEST_MODULE).toString(); |
| String jmod = dir.resolve("m.jmod").toString(); |
| String[] args = { "create", "--class-path", cp, jmod }; |
| ToolProvider jmodTool = ToolProvider.findFirst("jmod") |
| .orElseThrow(() -> |
| new RuntimeException("jmod tool not found") |
| ); |
| assertEquals(jmodTool.run(System.out, System.out, args), 0); |
| |
| test(dir); |
| } |
| |
| |
| /** |
| * The test module is found on the given module path. Open a ModuleReader |
| * to the test module and test the reader. |
| */ |
| void test(Path mp) throws IOException { |
| |
| ModuleFinder finder = ModulePath.of(Runtime.version(), true, mp); |
| ModuleReference mref = finder.find(TEST_MODULE).get(); |
| ModuleReader reader = mref.open(); |
| |
| try (reader) { |
| |
| // test resources in test module |
| for (String name : TEST_RESOURCES) { |
| byte[] expectedBytes |
| = Files.readAllBytes(MODS_DIR |
| .resolve(TEST_MODULE) |
| .resolve(name.replace('/', File.separatorChar))); |
| |
| testFind(reader, name, expectedBytes); |
| testOpen(reader, name, expectedBytes); |
| testRead(reader, name, expectedBytes); |
| testList(reader, name); |
| } |
| |
| // test resources that may be in the test module |
| for (String name : MAYBE_TEST_RESOURCES) { |
| System.out.println(name); |
| Optional<URI> ouri = reader.find(name); |
| ouri.ifPresent(uri -> { |
| if (name.endsWith("/")) |
| assertTrue(uri.toString().endsWith("/")); |
| }); |
| } |
| |
| // test "not found" in test module |
| for (String name : NOT_TEST_RESOURCES) { |
| assertFalse(reader.find(name).isPresent()); |
| assertFalse(reader.open(name).isPresent()); |
| assertFalse(reader.read(name).isPresent()); |
| } |
| |
| // test nulls |
| try { |
| reader.find(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| try { |
| reader.open(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| try { |
| reader.read(null); |
| assertTrue(false); |
| } catch (NullPointerException expected) { } |
| |
| try { |
| reader.release(null); |
| throw new RuntimeException(); |
| } catch (NullPointerException expected) { } |
| |
| } |
| |
| // test closed ModuleReader |
| try { |
| reader.open(TEST_RESOURCES[0]); |
| assertTrue(false); |
| } catch (IOException expected) { } |
| |
| |
| try { |
| reader.read(TEST_RESOURCES[0]); |
| assertTrue(false); |
| } catch (IOException expected) { } |
| |
| try { |
| reader.list(); |
| assertTrue(false); |
| } catch (IOException expected) { } |
| } |
| |
| /** |
| * Test ModuleReader#find |
| */ |
| void testFind(ModuleReader reader, String name, byte[] expectedBytes) |
| throws IOException |
| { |
| Optional<URI> ouri = reader.find(name); |
| assertTrue(ouri.isPresent()); |
| |
| URL url = ouri.get().toURL(); |
| if (!url.getProtocol().equalsIgnoreCase("jmod")) { |
| URLConnection uc = url.openConnection(); |
| uc.setUseCaches(false); |
| try (InputStream in = uc.getInputStream()) { |
| byte[] bytes = in.readAllBytes(); |
| assertTrue(Arrays.equals(bytes, expectedBytes)); |
| } |
| } |
| } |
| |
| /** |
| * Test ModuleReader#open |
| */ |
| void testOpen(ModuleReader reader, String name, byte[] expectedBytes) |
| throws IOException |
| { |
| Optional<InputStream> oin = reader.open(name); |
| assertTrue(oin.isPresent()); |
| |
| InputStream in = oin.get(); |
| try (in) { |
| byte[] bytes = in.readAllBytes(); |
| assertTrue(Arrays.equals(bytes, expectedBytes)); |
| } |
| } |
| |
| /** |
| * Test ModuleReader#read |
| */ |
| void testRead(ModuleReader reader, String name, byte[] expectedBytes) |
| throws IOException |
| { |
| Optional<ByteBuffer> obb = reader.read(name); |
| assertTrue(obb.isPresent()); |
| |
| ByteBuffer bb = obb.get(); |
| try { |
| int rem = bb.remaining(); |
| assertTrue(rem == expectedBytes.length); |
| byte[] bytes = new byte[rem]; |
| bb.get(bytes); |
| assertTrue(Arrays.equals(bytes, expectedBytes)); |
| } finally { |
| reader.release(bb); |
| } |
| } |
| |
| /** |
| * Test ModuleReader#list |
| */ |
| void testList(ModuleReader reader, String name) throws IOException { |
| List<String> list = reader.list().collect(Collectors.toList()); |
| Set<String> names = new HashSet<>(list); |
| assertTrue(names.size() == list.size()); // no duplicates |
| |
| assertTrue(names.contains("module-info.class")); |
| assertTrue(names.contains(name)); |
| |
| // all resources should be locatable via find |
| for (String e : names) { |
| assertTrue(reader.find(e).isPresent()); |
| } |
| } |
| |
| } |