| /* |
| * Copyright (c) 2011, 2015, 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 static jdk.testlibrary.Asserts.*; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| |
| import jdk.testlibrary.JcmdBase; |
| import jdk.testlibrary.OutputAnalyzer; |
| import jdk.testlibrary.ProcessTools; |
| import jdk.testlibrary.Utils; |
| |
| /* |
| * @test |
| * @bug 7104647 7154822 |
| * @summary Unit test for jcmd utility. The test will send different diagnostic |
| * command requests to the current java process. |
| * |
| * @library /lib/testlibrary |
| * |
| * @build jdk.testlibrary.* |
| * @run main/othervm -XX:+UsePerfData TestJcmdSanity |
| */ |
| public class TestJcmdSanity { |
| |
| private static final String TEST_SRC = System.getProperty("test.src").trim(); |
| private static final String[] VM_ARGS = new String[] { "-XX:+UsePerfData" }; |
| private static final String JCMD_COMMAND_REGEX = "(\\w|\\.)*"; |
| private static final String PERF_COUNTER_REGEX = "(\\w|\\.)*\\=.*"; |
| |
| public static void main(String[] args) throws Exception { |
| testJcmdPidHelp(); |
| testJcmdPidHelpHelp(); |
| testJcmdPid_f(); |
| testJcmdPidPerfCounterPrint(); |
| testJcmdPidBigScript(); |
| } |
| |
| /** |
| * jcmd -J-XX:+UsePerfData pid help |
| */ |
| private static void testJcmdPidHelp() throws Exception { |
| OutputAnalyzer output = JcmdBase.jcmd(VM_ARGS, |
| new String[] {"help"}); |
| |
| output.shouldHaveExitValue(0); |
| output.shouldNotContain("Exception"); |
| output.shouldContain(Long.toString(ProcessTools.getProcessId()) + ":"); |
| matchJcmdCommands(output); |
| output.shouldContain("For more information about a specific command use 'help <command>'."); |
| } |
| |
| /** |
| * jcmd -J-XX:+UsePerfData pid help help |
| */ |
| private static void testJcmdPidHelpHelp() throws Exception { |
| OutputAnalyzer output = JcmdBase.jcmd(VM_ARGS, |
| new String[] {"help", "help"}); |
| |
| output.shouldHaveExitValue(0); |
| verifyOutputAgainstFile(output); |
| } |
| |
| /** |
| * jcmd -J-XX:+UsePerfData pid PerfCounter.print |
| */ |
| private static void testJcmdPidPerfCounterPrint() throws Exception { |
| OutputAnalyzer output = JcmdBase.jcmd(VM_ARGS, |
| new String[] {"PerfCounter.print"}); |
| |
| output.shouldHaveExitValue(0); |
| matchPerfCounters(output); |
| } |
| |
| /** |
| * jcmd -J-XX:+UsePerfData pid -f dcmd-script.txt |
| */ |
| private static void testJcmdPid_f() throws Exception { |
| File scrpitFile = new File(TEST_SRC, "dcmd-script.txt"); |
| OutputAnalyzer output = JcmdBase.jcmd(VM_ARGS, |
| new String[] {"-f", scrpitFile.getAbsolutePath()}); |
| |
| output.shouldHaveExitValue(0); |
| verifyOutputAgainstFile(output); |
| } |
| |
| /** |
| * Tests that it possible send a file over 1024 bytes large via jcmd -f. |
| * |
| * jcmd -J-XX:+UsePerfData pid -f dcmd-big-script.txt |
| */ |
| private static void testJcmdPidBigScript() throws Exception { |
| File scrpitFile = new File(TEST_SRC, "dcmd-big-script.txt"); |
| OutputAnalyzer output = JcmdBase.jcmd(VM_ARGS, |
| new String[] {"-f", scrpitFile.getAbsolutePath()}); |
| |
| output.shouldHaveExitValue(0); |
| output.shouldNotContain("Exception"); |
| output.shouldContain(System.getProperty("java.vm.name").trim()); |
| } |
| |
| /** |
| * Verifies the listed jcmd commands match a certain pattern. |
| * |
| * The output of the jcmd commands should look like: |
| * VM.uptime |
| * VM.flags |
| * VM.system_properties |
| * |
| * @param output The generated output from the jcmd. |
| * @throws Exception |
| */ |
| private static void matchJcmdCommands(OutputAnalyzer output) throws Exception { |
| int matchedCount = output.shouldMatchByLine(JCMD_COMMAND_REGEX, |
| "help", |
| JCMD_COMMAND_REGEX); |
| assertGreaterThan(matchedCount , 0, |
| "Found no lines matching pattern: " + JCMD_COMMAND_REGEX); |
| } |
| |
| /** |
| * Verifies the generated output from the PerfCounter.print command |
| * matches a certain pattern. |
| * |
| * The output of perf counters should look like: |
| * java.property.java.vm.name="Java HotSpot(TM) 64-Bit Server VM" |
| * java.threads.daemon=7 |
| * sun.rt.javaCommand="com.sun.javatest.regtest.MainWrapper /tmp/jtreg/jtreg-workdir/classes/sun/tools/jcmd/TestJcmdSanity.jta" |
| * |
| * @param output The generated output from the PerfCounter.print command. |
| * @throws Exception |
| */ |
| private static void matchPerfCounters(OutputAnalyzer output) throws Exception { |
| int matchedCount = output.shouldMatchByLineFrom(PERF_COUNTER_REGEX, |
| PERF_COUNTER_REGEX); |
| assertGreaterThan(matchedCount , 0, |
| "Found no lines matching pattern: " + PERF_COUNTER_REGEX); |
| } |
| |
| private static void verifyOutputAgainstFile(OutputAnalyzer output) throws IOException { |
| Path path = Paths.get(TEST_SRC, "help_help.out"); |
| List<String> fileOutput = Files.readAllLines(path); |
| List<String> outputAsLines = output.asLines(); |
| assertTrue(outputAsLines.containsAll(fileOutput), |
| "The ouput should contain all content of " + path.toAbsolutePath()); |
| } |
| |
| } |