/*
* Copyright ( c ) 2014 , 2018 , 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 / test / lib
* @ modules jdk . compiler
* jdk . jartool
* jdk . jlink
* @ build BasicTest jdk . test . lib . compiler . CompilerUtils
* @ run testng BasicTest
* @ bug 8234076
* @ summary Basic test of starting an application as a module
*/
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.spi.ToolProvider;
import jdk.test.lib.compiler.CompilerUtils;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.Utils;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static org.testng.Assert .*;
@Test
public class BasicTest {
private static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar" )
.orElseThrow(() ->
new RuntimeException("jar tool not found" )
);
private static final ToolProvider JMOD_TOOL = ToolProvider.findFirst("jmod" )
.orElseThrow(() ->
new RuntimeException("jmod tool not found" )
);
private static final Path USER_DIR = Paths.get(System.getProperty("user.dir" ));
private static final String TEST_SRC = System.getProperty("test.src" );
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 test module
private static final String TEST_MODULE = "test" ;
// the module main class
private static final String MAIN_CLASS = "jdk.test.Main" ;
// for Windows specific launcher tests
static final boolean IS_WINDOWS = System.getProperty("os.name" , "unknown" ).startsWith("Windows" );
@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" );
}
/**
* Execute " java " with the given arguments , returning the exit code .
*/
private int exec(String... args) throws Exception {
return ProcessTools.executeTestJava(args)
.outputTo(System.out)
.errorTo(System.out)
.getExitValue();
}
/**
* The initial module is loaded from an exploded module
*/
public void testRunWithExplodedModule() throws Exception {
String dir = MODS_DIR.toString();
String subdir = MODS_DIR.resolve(TEST_MODULE).toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// java --module-path mods -module $TESTMODULE/$MAINCLASS
int exitValue = exec("--module-path" , dir, "--module" , mid);
assertTrue(exitValue == 0 );
// java --module-path mods/$TESTMODULE --module $TESTMODULE/$MAINCLASS
exitValue = exec("--module-path" , subdir, "--module" , mid);
assertTrue(exitValue == 0 );
// java --module-path=mods --module=$TESTMODULE/$MAINCLASS
exitValue = exec("--module-path=" + dir, "--module=" + mid);
assertTrue(exitValue == 0 );
// java --module-path=mods/$TESTMODULE --module=$TESTMODULE/$MAINCLASS
exitValue = exec("--module-path=" + subdir, "--module=" + mid);
assertTrue(exitValue == 0 );
// java -p mods -m $TESTMODULE/$MAINCLASS
exitValue = exec("-p" , dir, "-m" , mid);
assertTrue(exitValue == 0 );
// java -p mods/$TESTMODULE -m $TESTMODULE/$MAINCLASS
exitValue = exec("-p" , subdir, "-m" , mid);
assertTrue(exitValue == 0 );
}
/**
* The initial module is loaded from a modular JAR file
*/
public void testRunWithModularJar() throws Exception {
Path dir = Files.createTempDirectory(USER_DIR, "mlib" );
Path jar = dir.resolve("m.jar" );
// jar --create ...
String classes = MODS_DIR.resolve(TEST_MODULE).toString();
String[] args = {
"--create" ,
"--file=" + jar,
"--main-class=" + MAIN_CLASS,
"-C" , classes, "."
};
int rc = JAR_TOOL.run(System.out, System.out, args);
assertTrue(rc == 0 );
// java --module-path mlib -module $TESTMODULE
int exitValue = exec("--module-path" , dir.toString(),
"--module" , TEST_MODULE);
assertTrue(exitValue == 0 );
// java --module-path mlib/m.jar -module $TESTMODULE
exitValue = exec("--module-path" , jar.toString(),
"--module" , TEST_MODULE);
assertTrue(exitValue == 0 );
}
/**
* Attempt to run with the initial module packaged as a JMOD file .
*/
public void testTryRunWithJMod() throws Exception {
Path dir = Files.createTempDirectory(USER_DIR, "mlib" );
// jmod create ...
String cp = MODS_DIR.resolve(TEST_MODULE).toString();
String jmod = dir.resolve("m.jmod" ).toString();
String[] args = {
"create" ,
"--class-path" , cp,
"--main-class" , MAIN_CLASS,
jmod
};
assertEquals(JMOD_TOOL.run(System.out, System.out, args), 0 );
// java --module-path mods --module $TESTMODULE
int exitValue = exec("--module-path" , dir.toString(),
"--module" , TEST_MODULE);
assertTrue(exitValue != 0 );
}
/**
* Run the test with a non - existent file on the application module path .
* It should be silently ignored .
*/
public void testRunWithNonExistentEntry() throws Exception {
String mp = "DoesNotExist" + File.pathSeparator + MODS_DIR.toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// java --module-path mods --module $TESTMODULE/$MAINCLASS
int exitValue = exec("--module-path" , mp, "--module" , mid);
assertTrue(exitValue == 0 );
}
/**
* Attempt to run an unknown initial module
*/
public void testTryRunWithBadModule() throws Exception {
String modulepath = MODS_DIR.toString();
// java --module-path mods -m $TESTMODULE
int exitValue = exec("--module-path" , modulepath, "-m" , "rhubarb" );
assertTrue(exitValue != 0 );
}
/**
* Attempt to run with - m specifying a main class that does not
* exist .
*/
public void testTryRunWithBadMainClass() throws Exception {
String modulepath = MODS_DIR.toString();
String mid = TEST_MODULE + "/p.rhubarb" ;
// java --module-path mods -m $TESTMODULE/$MAINCLASS
int exitValue = exec("--module-path" , modulepath, "-m" , mid);
assertTrue(exitValue != 0 );
}
/**
* Attempt to run with - m specifying a modular JAR that does not have
* a MainClass attribute
*/
public void testTryRunWithMissingMainClass() throws Exception {
Path dir = Files.createTempDirectory(USER_DIR, "mlib" );
// jar --create ...
String classes = MODS_DIR.resolve(TEST_MODULE).toString();
String jar = dir.resolve("m.jar" ).toString();
String[] args = {
"--create" ,
"--file=" + jar,
"-C" , classes, "."
};
int rc = JAR_TOOL.run(System.out, System.out, args);
assertTrue(rc == 0 );
// java --module-path mods -m $TESTMODULE
int exitValue = exec("--module-path" , dir.toString(), "-m" , TEST_MODULE);
assertTrue(exitValue != 0 );
}
/**
* Attempt to run with - m specifying a main class that is a different
* module to that specified to - m
*/
public void testTryRunWithMainClassInWrongModule() throws Exception {
String modulepath = MODS_DIR.toString();
String mid = "java.base/" + MAIN_CLASS;
// java --module-path mods --module $TESTMODULE/$MAINCLASS
int exitValue = exec("--module-path" , modulepath, "--module" , mid);
assertTrue(exitValue != 0 );
}
/**
* Helper method that creates a ProcessBuilder with command line arguments
* while setting the _ JAVA_LAUNCHER_DEBUG environment variable .
*/
private ProcessBuilder createProcessWithLauncherDebugging(String... cmds) {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(Utils.addTestJavaOpts(cmds));
pb.environment().put("_JAVA_LAUNCHER_DEBUG" , "true" );
return pb;
}
/**
* Test the ability for the Windows launcher to do proper application argument
* detection and expansion , when using the long form module option and all passed in
* command line arguments are prefixed with a dash .
*
* These tests are not expected to work on * nixes , and are ignored .
*/
public void testWindowsWithLongFormModuleOption() throws Exception {
if (!IS_WINDOWS) {
return ;
}
String dir = MODS_DIR.toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// java --module-path=mods --module=$TESTMODULE/$MAINCLASS --help
// We should be able to find the argument --help as an application argument
ProcessTools.executeProcess(
createProcessWithLauncherDebugging(
"--module-path=" + dir,
"--module=" + mid,
"--help" ))
.outputTo(System.out)
.errorTo(System.out)
.shouldContain("F--help" );
// java --module-path=mods --module=$TESTMODULE/$MAINCLASS <...src/test>/*.java --help
// We should be able to see argument expansion happen
ProcessTools.executeProcess(
createProcessWithLauncherDebugging(
"--module-path=" + dir,
"--module=" + mid,
SRC_DIR.resolve(TEST_MODULE).toString() + "\\*.java" ,
"--help" ))
.outputTo(System.out)
.errorTo(System.out)
.shouldContain("F--help" )
.shouldContain("module-info.java" );
}
/**
* Test that - - module = is terminating for VM argument processing just like - - module
*/
public void testLongFormModuleOptionTermination() throws Exception {
String dir = MODS_DIR.toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// java --module-path=mods --module=$TESTMODULE/$MAINCLASS --module-path=mods --module=$TESTMODULE/$MAINCLASS
// The first --module= will terminate the VM arguments processing. The second pair of module-path and module will be
// deemed as application arguments
OutputAnalyzer output = ProcessTools.executeProcess(
createProcessWithLauncherDebugging(
"--module-path=" + dir,
"--module=" + mid,
"--module-path=" + dir,
"--module=" + mid))
.outputTo(System.out)
.errorTo(System.out)
.shouldContain("argv[ 0] = '--module-path=" + dir)
.shouldContain("argv[ 1] = '--module=" + mid);
if (IS_WINDOWS) {
output.shouldContain("F--module-path=" + dir).shouldContain("F--module=" + mid);
}
// java --module=$TESTMODULE/$MAINCLASS --module-path=mods
// This command line will not work as --module= is terminating and the module will be not found
int exitValue = exec("--module=" + mid, "--module-path" + dir);
assertTrue(exitValue != 0 );
}
}
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