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