--- /dev/null 2016-09-29 15:14:41.775246283 +0300 +++ new/test/tools/jimage/JImageCliTest.java 2016-10-06 18:03:18.057914812 +0300 @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2016, 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.io.ByteArrayOutputStream; +import java.io.PrintStream; +import java.io.PrintWriter; +import java.lang.reflect.Method; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.Arrays; +import java.util.function.Consumer; +import java.util.regex.Pattern; + +import static java.nio.charset.StandardCharsets.UTF_8; +import static jdk.test.lib.Asserts.assertFalse; +import static jdk.test.lib.Asserts.assertTrue; +import static jdk.test.lib.Asserts.fail; + +/** + * This class is intended to be a base class for classes which are about to test + * command line interface of jimage. + */ +public class JImageCliTest { + + private String bootImagePath; + + public JImageCliTest() { + Path imagePath = Paths.get(System.getProperty("java.home"), "lib", "modules"); + if (Files.exists(imagePath)) { + this.bootImagePath = imagePath.toAbsolutePath().toString(); + } + } + + public void assertMatches(String regex, String output) { + Pattern pattern = Pattern.compile(regex); + if (!pattern.matcher(output).find()) { + fail(String.format("Expected to find a string match for [%s] in output \n[\n%s\n]\n.", + pattern, output)); + } + } + + /** + * Returns a path to a tested image to share it across tests. By default it returns a path to the boot image + * of tested JDK. This behavior can be redefined by descendants. + */ + public String getImagePath() { + return bootImagePath; + } + + /** + * Runs jimage task with the supplied arguments. + */ + protected static JImageResult jimage(String... args) { + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + PrintStream ps = new PrintStream(baos); + System.out.println("jimage " + Arrays.asList(args)); + int exitCode = jdk.tools.jimage.Main.run(args, new PrintWriter(ps)); + return new JImageResult(exitCode, new String(baos.toByteArray(), UTF_8)); + } + + protected static class JImageResult { + final int exitCode; + final String output; + + JImageResult(int exitCode, String output) { + this.exitCode = exitCode; + this.output = output; + } + + JImageResult assertSuccess() { assertTrue(exitCode == 0, output); return this; } + JImageResult assertFailure() { assertFalse(exitCode == 0, output); return this; } + + // a helper to ensure the error output doesn't exhibit implementation details + JImageResult assertShowsError() { + assertTrue(output.contains("Error"), + String.format("Output contains error, output=[%s]\n", output)); + assertFalse(output.contains("Exception"), + String.format("Output doesn't contain a stacktrace, output=[%s]\n", output)); + return this; + } + + JImageResult resultChecker(Consumer r) { r.accept(this); return this; } + } + + protected final void runTests() throws Throwable { + if (getImagePath() != null) { + for (Method m : getClass().getDeclaredMethods()) { + if (m.getName().startsWith("test")) { + System.out.printf("Invoking %s\n", m.getName()); + m.invoke(this); + } + } + } else { + System.out.println("This is not an image build. Skipping."); + } + } + +} +