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/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.jpackage.tests;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.util.Collection;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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import java.util.jar.JarFile;
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import java.util.Objects;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import java.nio.file.Path;
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import java.util.function.Predicate;
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import java.util.jar.JarEntry;
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import jdk.jpackage.test.Annotations.Parameters;
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import jdk.jpackage.test.Annotations.Test;
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import jdk.jpackage.test.*;
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import jdk.jpackage.test.Functional.ThrowingConsumer;
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import static jdk.jpackage.tests.MainClassTest.Script.MainClassType.*;
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/*
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* @test
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* @summary test different settings of main class name for jpackage
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* @library ../../../../helpers
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* @build jdk.jpackage.test.*
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* @modules jdk.jpackage/jdk.jpackage.internal
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* @compile MainClassTest.java
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* @run main/othervm/timeout=360 -Xmx512m jdk.jpackage.test.Main
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* --jpt-run=jdk.jpackage.tests.MainClassTest
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* --jpt-space-subst=_
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* --jpt-exclude=modular=y;_main-class=n;_jar-main-class=b;_jlink=y
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* --jpt-exclude=modular=y;_main-class=n;_jar-main-class=n;_jlink=n
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*/
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public final class MainClassTest {
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static final class Script {
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Script() {
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appDesc = JavaAppDesc.parse("test.Hello");
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}
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Script modular(boolean v) {
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appDesc.setModuleName(v ? null : "com.other");
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return this;
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}
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Script withJLink(boolean v) {
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withJLink = v;
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return this;
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}
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Script withMainClass(MainClassType v) {
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mainClass = v;
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return this;
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}
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Script withJarMainClass(MainClassType v) {
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appDesc.setJarWithMainClass(v != NotSet);
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jarMainClass = v;
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return this;
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}
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Script expectedErrorMessage(String v) {
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expectedErrorMessage = v;
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return this;
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}
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@Override
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public String toString() {
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return Stream.of(
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format("modular", appDesc.moduleName() != null ? 'y' : 'n'),
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format("main-class", mainClass),
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format("jar-main-class", jarMainClass),
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format("jlink", withJLink ? 'y' : 'n'),
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format("error", expectedErrorMessage)
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).filter(Objects::nonNull).collect(Collectors.joining("; "));
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}
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private static String format(String key, Object value) {
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if (value == null) {
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return null;
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}
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return String.join("=", key, value.toString());
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}
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enum MainClassType {
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NotSet("n"),
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SetWrong("b"),
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SetRight("y");
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MainClassType(String label) {
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this.label = label;
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}
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@Override
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public String toString() {
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return label;
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}
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private final String label;
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};
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private JavaAppDesc appDesc;
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private boolean withJLink;
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private MainClassType mainClass;
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private MainClassType jarMainClass;
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private String expectedErrorMessage;
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}
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public MainClassTest(Script script) {
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this.script = script;
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nonExistingMainClass = Stream.of(
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script.appDesc.packageName(), "ThereIsNoSuchClass").filter(
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Objects::nonNull).collect(Collectors.joining("."));
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cmd = JPackageCommand.helloAppImage(script.appDesc);
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if (!script.withJLink) {
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cmd.setFakeRuntime();
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}
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final String moduleName = script.appDesc.moduleName();
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switch (script.mainClass) {
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case NotSet:
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if (moduleName != null) {
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// Don't specify class name, only module name.
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cmd.setArgumentValue("--module", moduleName);
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} else {
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cmd.removeArgumentWithValue("--main-class");
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}
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break;
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case SetWrong:
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if (moduleName != null) {
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cmd.setArgumentValue("--module",
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String.join("/", moduleName, nonExistingMainClass));
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} else {
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cmd.setArgumentValue("--main-class", nonExistingMainClass);
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}
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}
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}
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@Parameters
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public static Collection scripts() {
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final var withMainClass = Set.of(SetWrong, SetRight);
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List<Script[]> scripts = new ArrayList<>();
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for (var withJLink : List.of(true, false)) {
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for (var modular : List.of(true, false)) {
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for (var mainClass : Script.MainClassType.values()) {
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for (var jarMainClass : Script.MainClassType.values()) {
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if (!withJLink && (jarMainClass == SetWrong || mainClass
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== SetWrong)) {
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// Without runtime can't run app to verify it will fail, so
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// there is no point in such testing.
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continue;
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}
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Script script = new Script()
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.modular(modular)
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.withJLink(withJLink)
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.withMainClass(mainClass)
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.withJarMainClass(jarMainClass);
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if (withMainClass.contains(jarMainClass)
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|| withMainClass.contains(mainClass)) {
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} else if (modular) {
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script.expectedErrorMessage(
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"A main class was not specified nor was one found in the jar");
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} else {
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script.expectedErrorMessage(
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"Error: Main application class is missing");
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}
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scripts.add(new Script[]{script});
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}
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}
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}
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}
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return scripts;
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}
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@Test
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public void test() throws IOException {
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if (script.jarMainClass == SetWrong) {
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initJarWithWrongMainClass();
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}
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if (script.expectedErrorMessage != null) {
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// This is the case when main class is not found nor in jar
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// file nor on command line.
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List<String> output = cmd
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.saveConsoleOutput(true)
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.execute()
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.assertExitCodeIs(1)
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.getOutput();
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TKit.assertTextStream(script.expectedErrorMessage).apply(output.stream());
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return;
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}
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// Get here only if main class is specified.
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boolean appShouldSucceed = false;
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// Should succeed if valid main class is set on the command line.
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appShouldSucceed |= (script.mainClass == SetRight);
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// Should succeed if main class is not set on the command line but set
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// to valid value in the jar.
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appShouldSucceed |= (script.mainClass == NotSet && script.jarMainClass == SetRight);
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if (appShouldSucceed) {
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cmd.executeAndAssertHelloAppImageCreated();
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} else {
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cmd.executeAndAssertImageCreated();
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if (!cmd.isFakeRuntime(String.format("Not running [%s]",
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cmd.appLauncherPath()))) {
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List<String> output = new Executor()
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.setDirectory(cmd.outputDir())
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.setExecutable(cmd.appLauncherPath())
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.dumpOutput().saveOutput()
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.execute().assertExitCodeIs(1).getOutput();
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TKit.assertTextStream(String.format(
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"Error: Could not find or load main class %s",
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nonExistingMainClass)).apply(output.stream());
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}
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}
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}
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private void initJarWithWrongMainClass() {
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// Call JPackageCommand.executePrerequisiteActions() to build app's jar.
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// executePrerequisiteActions() is called by JPackageCommand instance
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// only once.
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cmd.executePrerequisiteActions();
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Path jarFile;
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if (script.appDesc.moduleName() != null) {
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jarFile = Path.of(cmd.getArgumentValue("--module-path"),
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script.appDesc.jarFileName());
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} else {
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jarFile = cmd.inputDir().resolve(cmd.getArgumentValue("--main-jar"));
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}
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// Create jar file with the main class attribute in manifest set to
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// non-existing class.
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TKit.withTempDirectory("repack-jar", workDir -> {
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Path manifestFile = workDir.resolve("META-INF/MANIFEST.MF");
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try (var jar = new JarFile(jarFile.toFile())) {
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jar.stream()
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.filter(Predicate.not(JarEntry::isDirectory))
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.sequential().forEachOrdered(ThrowingConsumer.toConsumer(
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jarEntry -> {
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try (var in = jar.getInputStream(jarEntry)) {
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Path fileName = workDir.resolve(jarEntry.getName());
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Files.createDirectories(fileName.getParent());
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Files.copy(in, fileName);
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}
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}));
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}
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Files.delete(jarFile);
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// Adjust manifest.
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TKit.createTextFile(manifestFile, Files.readAllLines(
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manifestFile).stream().map(line -> line.replace(
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script.appDesc.className(), nonExistingMainClass)));
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new Executor().setToolProvider(JavaTool.JAR)
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.addArguments("-c", "-M", "-f", jarFile.toString())
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.addArguments("-C", workDir.toString(), ".")
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.execute().assertExitCodeIsZero();
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});
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}
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private final JPackageCommand cmd;
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private final Script script;
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private final String nonExistingMainClass;
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}
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