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