jdk-24/test/jdk/tools/jlink/plugins/SystemModuleDescriptors/ModuleMainClassTest.java

146 lines
5.1 KiB
Java

/*
* Copyright (c) 2024, 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.
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.spi.ToolProvider;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import jdk.test.lib.compiler.CompilerUtils;
import jdk.test.lib.util.FileUtils;
import static jdk.test.lib.process.ProcessTools.*;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.BeforeAll;
import static org.junit.jupiter.api.Assertions.*;
/**
* @test
* @bug 8322809
* @library /test/lib
* @modules jdk.compiler jdk.jlink
* @build jdk.test.lib.compiler.CompilerUtils
* jdk.test.lib.process.ProcessTools
* jdk.test.lib.util.FileUtils
* ModuleMainClassTest
* @run junit ModuleMainClassTest
*/
public class ModuleMainClassTest {
private static final String JAVA_HOME = System.getProperty("java.home");
private static final String TEST_SRC = System.getProperty("test.src");
private static final Path SRC_DIR = Path.of(TEST_SRC, "src");
private static final Path MODS_DIR = Path.of("mods");
private static final Path JMODS_DIR = Path.of("jmods");
private static final Path IMAGE = Path.of("image");
// the module names are sorted by the plugin and so these names cover
// the cases that are before and after the elements of `jdk.*` modules
// with main classes
private static String[] modules = new String[] {"com.foo", "net.foo"};
private static boolean hasJmods() {
if (!Files.exists(Paths.get(JAVA_HOME, "jmods"))) {
System.err.println("Test skipped. NO jmods directory");
return false;
}
return true;
}
@BeforeAll
public static void compileAll() throws Throwable {
if (!hasJmods()) return;
for (String mn : modules) {
Path msrc = SRC_DIR.resolve(mn);
assertTrue(CompilerUtils.compile(msrc, MODS_DIR,
"--module-source-path", SRC_DIR.toString(),
"--add-exports", "java.base/jdk.internal.module=" + mn));
}
if (Files.exists(IMAGE)) {
FileUtils.deleteFileTreeUnchecked(IMAGE);
}
// create JMOD files
Files.createDirectories(JMODS_DIR);
Stream.of(modules).forEach(mn ->
assertTrue(jmod("create",
"--class-path", MODS_DIR.resolve(mn).toString(),
"--main-class", mn + ".Main",
JMODS_DIR.resolve(mn + ".jmod").toString()) == 0)
);
// the run-time image created will have 4 modules with main classes
createImage(IMAGE, "com.foo");
}
@Test
public void testComFoo() throws Exception {
if (!hasJmods()) return;
Path java = IMAGE.resolve("bin").resolve("java");
assertTrue(executeProcess(java.toString(),
"-m", "com.foo")
.outputTo(System.out)
.errorTo(System.out)
.getExitValue() == 0);
}
@Test
public void testNetFoo() throws Exception {
if (!hasJmods()) return;
Path java = IMAGE.resolve("bin").resolve("java");
assertTrue(executeProcess(java.toString(),
"-m", "net.foo")
.outputTo(System.out)
.errorTo(System.out)
.getExitValue() == 0);
}
static final ToolProvider JLINK_TOOL = ToolProvider.findFirst("jlink")
.orElseThrow(() -> new RuntimeException("jlink tool not found"));
static final ToolProvider JMOD_TOOL = ToolProvider.findFirst("jmod")
.orElseThrow(() -> new RuntimeException("jmod tool not found"));
private static void createImage(Path outputDir, String... modules) throws Throwable {
assertTrue(JLINK_TOOL.run(System.out, System.out,
"--output", outputDir.toString(),
"--add-modules", Arrays.stream(modules).collect(Collectors.joining(",")),
"--module-path", JMODS_DIR.toString()) == 0);
}
private static int jmod(String... options) {
System.out.println("jmod " + Arrays.asList(options));
return JMOD_TOOL.run(System.out, System.out, options);
}
}