1 /*
   2  * Copyright (c) 2014, 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  * @library /lib/testlibrary
  27  * @modules jdk.jartool/sun.tools.jar
  28  *          jdk.jlink/jdk.tools.jmod
  29  *          jdk.compiler
  30  * @build BasicTest CompilerUtils jdk.testlibrary.*
  31  * @run testng BasicTest
  32  * @summary Basic test of starting an application as a module
  33  */
  34 
  35 import java.io.File;
  36 import java.nio.file.Files;
  37 import java.nio.file.Path;
  38 import java.nio.file.Paths;
  39 
  40 import jdk.testlibrary.ProcessTools;
  41 
  42 import org.testng.annotations.BeforeTest;
  43 import org.testng.annotations.Test;
  44 import static org.testng.Assert.*;
  45 
  46 
  47 @Test
  48 public class BasicTest {
  49 
  50     private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));
  51 
  52     private static final String TEST_SRC = System.getProperty("test.src");
  53 
  54     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
  55     private static final Path MODS_DIR = Paths.get("mods");
  56 
  57     // the module name of the test module
  58     private static final String TEST_MODULE = "test";
  59 
  60     // the module main class
  61     private static final String MAIN_CLASS = "jdk.test.Main";
  62 
  63 
  64     @BeforeTest
  65     public void compileTestModule() throws Exception {
  66 
  67         // javac -d mods/$TESTMODULE src/$TESTMODULE/**
  68         boolean compiled
  69             = CompilerUtils.compile(SRC_DIR.resolve(TEST_MODULE),
  70                                     MODS_DIR.resolve(TEST_MODULE));
  71 
  72         assertTrue(compiled, "test module did not compile");
  73     }
  74 
  75     /**
  76      * Execute "java" with the given arguments, returning the exit code.
  77      */
  78     private int exec(String... args) throws Exception {
  79        return ProcessTools.executeTestJava(args)
  80                 .outputTo(System.out)
  81                 .errorTo(System.out)
  82                 .getExitValue();
  83     }
  84 
  85 
  86     /**
  87      * The initial module is loaded from an exploded module
  88      */
  89     public void testRunWithExplodedModule() throws Exception {
  90         String dir = MODS_DIR.toString();
  91         String subdir = MODS_DIR.resolve(TEST_MODULE).toString();
  92         String mid = TEST_MODULE + "/" + MAIN_CLASS;
  93 
  94         // java --module-path mods -module $TESTMODULE/$MAINCLASS
  95         int exitValue = exec("--module-path", dir, "--module", mid);
  96         assertTrue(exitValue == 0);
  97 
  98         // java --module-path mods/$TESTMODULE --module $TESTMODULE/$MAINCLASS
  99         exitValue = exec("--module-path", subdir, "--module", mid);
 100         assertTrue(exitValue == 0);
 101 
 102         // java --module-path=mods --module=$TESTMODULE/$MAINCLASS
 103         exitValue = exec("--module-path=" + dir, "--module=" + mid);
 104         assertTrue(exitValue == 0);
 105 
 106         // java --module-path=mods/$TESTMODULE --module=$TESTMODULE/$MAINCLASS
 107         exitValue = exec("--module-path=" + subdir, "--module=" + mid);
 108         assertTrue(exitValue == 0);
 109 
 110         // java -p mods -m $TESTMODULE/$MAINCLASS
 111         exitValue = exec("-p", dir, "-m", mid);
 112         assertTrue(exitValue == 0);
 113 
 114         // java -p mods/$TESTMODULE -m $TESTMODULE/$MAINCLASS
 115         exitValue = exec("-p", subdir, "-m", mid);
 116         assertTrue(exitValue == 0);
 117     }
 118 
 119 
 120     /**
 121      * The initial module is loaded from a modular JAR file
 122      */
 123     public void testRunWithModularJar() throws Exception {
 124         Path dir = Files.createTempDirectory(USER_DIR, "mlib");
 125         Path jar = dir.resolve("m.jar");
 126 
 127         // jar --create ...
 128         String classes = MODS_DIR.resolve(TEST_MODULE).toString();
 129         String[] args = {
 130             "--create",
 131             "--file=" + jar,
 132             "--main-class=" + MAIN_CLASS,
 133             "-C", classes, "."
 134         };
 135         boolean success
 136             = new sun.tools.jar.Main(System.out, System.out, "jar")
 137                 .run(args);
 138         assertTrue(success);
 139 
 140         // java --module-path mlib -module $TESTMODULE
 141         int exitValue = exec("--module-path", dir.toString(),
 142                              "--module", TEST_MODULE);
 143         assertTrue(exitValue == 0);
 144 
 145         // java --module-path mlib/m.jar -module $TESTMODULE
 146         exitValue = exec("--module-path", jar.toString(),
 147                          "--module", TEST_MODULE);
 148         assertTrue(exitValue == 0);
 149     }
 150 
 151 
 152     /**
 153      * Attempt to run with the initial module packaged as a JMOD file.
 154      */
 155     public void testTryRunWithJMod() throws Exception {
 156         Path dir = Files.createTempDirectory(USER_DIR, "mlib");
 157 
 158         // jmod create ...
 159         String cp = MODS_DIR.resolve(TEST_MODULE).toString();
 160         String jmod = dir.resolve("m.jmod").toString();
 161         String[] args = {
 162             "create",
 163             "--class-path", cp,
 164             "--main-class", MAIN_CLASS,
 165             jmod
 166         };
 167         jdk.tools.jmod.JmodTask task = new jdk.tools.jmod.JmodTask();
 168         assertEquals(task.run(args), 0);
 169 
 170         // java --module-path mods --module $TESTMODULE
 171         int exitValue = exec("--module-path", dir.toString(),
 172                              "--module", TEST_MODULE);
 173         assertTrue(exitValue != 0);
 174     }
 175 
 176 
 177     /**
 178      * Run the test with a non-existent file on the application module path.
 179      * It should be silently ignored.
 180      */
 181     public void testRunWithNonExistentEntry() throws Exception {
 182         String mp = "DoesNotExist" + File.pathSeparator + MODS_DIR.toString();
 183         String mid = TEST_MODULE + "/" + MAIN_CLASS;
 184 
 185         // java --module-path mods --module $TESTMODULE/$MAINCLASS
 186         int exitValue = exec("--module-path", mp, "--module", mid);
 187         assertTrue(exitValue == 0);
 188     }
 189 
 190 
 191     /**
 192      * Attempt to run an unknown initial module
 193      */
 194     public void testTryRunWithBadModule() throws Exception {
 195         String modulepath = MODS_DIR.toString();
 196 
 197         // java --module-path mods -m $TESTMODULE
 198         int exitValue = exec("--module-path", modulepath, "-m", "rhubarb");
 199         assertTrue(exitValue != 0);
 200     }
 201 
 202 
 203     /**
 204      * Attempt to run with -m specifying a main class that does not
 205      * exist.
 206      */
 207     public void testTryRunWithBadMainClass() throws Exception {
 208         String modulepath = MODS_DIR.toString();
 209         String mid = TEST_MODULE + "/p.rhubarb";
 210 
 211         // java --module-path mods -m $TESTMODULE/$MAINCLASS
 212         int exitValue = exec("--module-path", modulepath, "-m", mid);
 213         assertTrue(exitValue != 0);
 214     }
 215 
 216 
 217     /**
 218      * Attempt to run with -m specifying a modular JAR that does not have
 219      * a MainClass attribute
 220      */
 221     public void testTryRunWithMissingMainClass() throws Exception {
 222         Path dir = Files.createTempDirectory(USER_DIR, "mlib");
 223 
 224         // jar --create ...
 225         String classes = MODS_DIR.resolve(TEST_MODULE).toString();
 226         String jar = dir.resolve("m.jar").toString();
 227         String[] args = {
 228             "--create",
 229             "--file=" + jar,
 230             "-C", classes, "."
 231         };
 232         boolean success
 233             = new sun.tools.jar.Main(System.out, System.out, "jar")
 234                 .run(args);
 235         assertTrue(success);
 236 
 237         // java --module-path mods -m $TESTMODULE
 238         int exitValue = exec("--module-path", dir.toString(), "-m", TEST_MODULE);
 239         assertTrue(exitValue != 0);
 240     }
 241 
 242 
 243     /**
 244      * Attempt to run with -m specifying a main class that is a different
 245      * module to that specified to -m
 246      */
 247     public void testTryRunWithMainClassInWrongModule() throws Exception {
 248         String modulepath = MODS_DIR.toString();
 249         String mid = "java.base/" + MAIN_CLASS;
 250 
 251         // java --module-path mods --module $TESTMODULE/$MAINCLASS
 252         int exitValue = exec("--module-path", modulepath, "--module", mid);
 253         assertTrue(exitValue != 0);
 254     }
 255 
 256 }