8271170: Add unit test for what jpackage app launcher puts in the environment

Reviewed-by: almatvee, herrick

Author: Alexey Semenyuk

test/jdk/tools/jpackage/apps/image/Hello.java renamed to test/jdk/tools/jpackage/apps/Hello.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021, 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.util.List;
+import java.util.ArrayList;
+
+public class PrintEnv {
+
+    public static void main(String[] args) {
+        List<String> lines = printArgs(args);
+        lines.forEach(System.out::println);
+    }
+
+    private static List<String> printArgs(String[] args) {
+        List<String> lines = new ArrayList<>();
+
+        for (String arg : args) {
+            if (arg.startsWith(PRINT_ENV_VAR)) {
+                String name = arg.substring(PRINT_ENV_VAR.length());
+                lines.add(name + "=" + System.getenv(name));
+            } else if (arg.startsWith(PRINT_SYS_PROP)) {
+                String name = arg.substring(PRINT_SYS_PROP.length());
+                lines.add(name + "=" + System.getProperty(name));
+            } else {
+                throw new IllegalArgumentException();
+            }
+        }
+
+        return lines;
+    }
+
+    private final static String PRINT_ENV_VAR = "--print-env-var=";
+    private final static String PRINT_SYS_PROP = "--print-sys-prop=";
+}

test/jdk/tools/jpackage/apps/PrintEnv.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2021, 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
@@ -56,6 +56,8 @@ public final class HelloApp {
     }
 
     private JarBuilder prepareSources(Path srcDir) throws IOException {
+        final String srcClassName = appDesc.srcClassName();
+
         final String qualifiedClassName = appDesc.className();
 
         final String className = qualifiedClassName.substring(
@@ -83,9 +85,9 @@ private JarBuilder prepareSources(Path srcDir) throws IOException {
         // Add package directive and replace class name in java source file.
         // Works with simple test Hello.java.
         // Don't expect too much from these regexps!
-        Pattern classNameRegex = Pattern.compile("\\bHello\\b");
+        Pattern classNameRegex = Pattern.compile("\\b" + srcClassName + "\\b");
         Pattern classDeclaration = Pattern.compile(
-                "(^.*\\bclass\\s+)\\bHello\\b(.*$)");
+                "(^.*\\bclass\\s+)\\b" + srcClassName + "\\b(.*$)");
         Pattern importDirective = Pattern.compile(
                 "(?<=import (?:static )?+)[^;]+");
         AtomicBoolean classDeclared = new AtomicBoolean();
@@ -97,7 +99,8 @@ private JarBuilder prepareSources(Path srcDir) throws IOException {
                     System.lineSeparator(), line);
         });
 
-        Files.write(srcFile, Files.readAllLines(HELLO_JAVA).stream().map(line -> {
+        Files.write(srcFile,
+                Files.readAllLines(appDesc.srcJavaPath()).stream().map(line -> {
             Matcher m;
             if (classDeclared.getPlain()) {
                 if ((m = classNameRegex.matcher(line)).find()) {
@@ -144,13 +147,14 @@ void addTo(JPackageCommand cmd) {
             return cmd.getArgumentValue("--module-path", cmd::inputDir, Path::of);
         };
 
-        if (moduleName == null && CLASS_NAME.equals(qualifiedClassName)) {
+        if (moduleName == null && CLASS_NAME.equals(qualifiedClassName)
+                && HELLO_JAVA.equals(appDesc.srcJavaPath())) {
             // Use Hello.java as is.
             cmd.addPrerequisiteAction((self) -> {
                 if (self.inputDir() != null) {
                     Path jarFile = self.inputDir().resolve(appDesc.jarFileName());
                     createJarBuilder().setOutputJar(jarFile).addSourceFile(
-                            HELLO_JAVA).create();
+                            appDesc.srcJavaPath()).create();
                 }
             });
         } else if (appDesc.jmodFileName() != null) {
@@ -159,7 +163,7 @@ void addTo(JPackageCommand cmd) {
                 createBundle(appDesc, getModulePath.get());
             });
         } else {
-            // Modular app in .jar file
+            // Modular/non-modular app in .jar file
             cmd.addPrerequisiteAction(unused -> {
                 final Path jarFile;
                 if (moduleName == null) {
@@ -195,7 +199,7 @@ void addTo(JPackageCommand cmd) {
     }
 
     static JavaAppDesc createDefaltAppDesc() {
-        return new JavaAppDesc().setClassName(CLASS_NAME).setBundleFileName("hello.jar");
+        return new JavaAppDesc().setSrcJavaPath(HELLO_JAVA).setClassName(CLASS_NAME).setBundleFileName("hello.jar");
     }
 
     static void verifyOutputFile(Path outputFile, List<String> args,
@@ -462,7 +466,7 @@ public static AppOutputVerifier assertApp(Path helloAppLauncher) {
     private final JavaAppDesc appDesc;
 
     private static final Path HELLO_JAVA = TKit.TEST_SRC_ROOT.resolve(
-            "apps/image/Hello.java");
+            "apps/Hello.java");
 
     private final static String CLASS_NAME = HELLO_JAVA.getFileName().toString().split(
             "\\.", 2)[0];

test/jdk/tools/jpackage/apps/installer/Hello.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2021, 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
@@ -30,6 +30,11 @@ public final class JavaAppDesc {
     public JavaAppDesc() {
     }
 
+    public JavaAppDesc setSrcJavaPath(Path v) {
+        srcJavaPath = v;
+        return this;
+    }
+
     public JavaAppDesc setClassName(String v) {
         qualifiedClassName = v;
         return this;
@@ -55,6 +60,15 @@ public JavaAppDesc setWithMainClass(boolean v) {
         return this;
     }
 
+    public Path srcJavaPath() {
+        return srcJavaPath;
+    }
+
+    public String srcClassName() {
+        String fname = srcJavaPath().getFileName().toString();
+        return fname.substring(0, fname.lastIndexOf('.'));
+    }
+
     public String className() {
         return qualifiedClassName;
     }
@@ -113,6 +127,9 @@ public boolean isWithMainClass() {
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();
+        if (srcJavaPath != null) {
+            sb.append(srcJavaPath.toString()).append('*');
+        }
         if (bundleFileName != null) {
             sb.append(bundleFileName).append(':');
         }
@@ -135,7 +152,7 @@ public String toString() {
      * Create Java application description form encoded string value.
      *
      * Syntax of encoded Java application description is
-     * [(jar_file|jmods_file|exploded_jmods_file):][module_name/]qualified_class_name[!][@module_version].
+     * [src_java_file*][(jar_file|jmods_file|exploded_jmods_file):][module_name/]qualified_class_name[!][@module_version].
      *
      * E.g.: `duke.jar:com.other/com.other.foo.bar.Buz!@3.7` encodes modular
      * application. Module name is `com.other`. Main class is
@@ -168,8 +185,16 @@ public static JavaAppDesc parse(final String javaAppDesc) {
             return desc;
         }
 
+        String srcJavaPathAndOther = Functional.identity(() -> {
+            String[] components = javaAppDesc.split("\\*", 2);
+            if (components.length == 2) {
+                desc.setSrcJavaPath(Path.of(components[0]));
+            }
+            return components[components.length - 1];
+        }).get();
+
         String moduleNameAndOther = Functional.identity(() -> {
-            String[] components = javaAppDesc.split(":", 2);
+            String[] components = srcJavaPathAndOther.split(":", 2);
             if (components.length == 2) {
                 desc.setBundleFileName(components[0]);
             }
@@ -206,6 +231,7 @@ public static JavaAppDesc parse(final String javaAppDesc) {
         return desc;
     }
 
+    private Path srcJavaPath;
     private String qualifiedClassName;
     private String moduleName;
     private String bundleFileName;

test/jdk/tools/jpackage/helpers/jdk/jpackage/test/HelloApp.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2021, 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
@@ -185,9 +185,13 @@ public void testMainLauncherIsModular(boolean mainLauncherIsModular) {
             cmd.ignoreDefaultRuntime(true); // because of --add-modules
         }
 
+        final String expectedMod = JavaAppDesc.parse(modularAppDesc.toString())
+                .setBundleFileName(null)
+                .setSrcJavaPath(null)
+                .toString();
+
         new AdditionalLauncher("ModularAppLauncher")
-        .addRawProperties(Map.entry("module", JavaAppDesc.parse(
-                modularAppDesc.toString()).setBundleFileName(null).toString()))
+        .addRawProperties(Map.entry("module", expectedMod))
         .addRawProperties(Map.entry("main-jar", ""))
         .applyTo(cmd);
 
@@ -208,8 +212,6 @@ public void testMainLauncherIsModular(boolean mainLauncherIsModular) {
         String moduleValue = cfg.getValue("Application", "app.mainmodule");
         String mainClass = null;
         String classpath = null;
-        String expectedMod = JavaAppDesc.parse(
-                modularAppDesc.toString()).setBundleFileName(null).toString();
         TKit.assertEquals(expectedMod, moduleValue,
                 String.format("Check value of app.mainmodule=[%s]" +
                 "in ModularAppLauncher cfg file is as expected", expectedMod));