jdk/test/sun/tools/jcmd/TestJcmdSanity.java
changeset 22286 5c1a07e4573d
child 24366 57c0a8b7a936
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/tools/jcmd/TestJcmdSanity.java	Thu Jan 16 11:37:49 2014 +0100
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 2011, 2014, 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.util.List;
+
+import jdk.testlibrary.JcmdBase;
+import jdk.testlibrary.OutputAnalyzer;
+import jdk.testlibrary.ProcessTools;
+import jdk.testlibrary.Utils;
+
+/**
+ * Unit test for jcmd utility. The test will send different diagnostic command
+ * requests to the current java process.
+ */
+/*
+ * @test
+ * @bug 7104647 7154822
+ * @library /lib/testlibrary
+ * @run main 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(Integer.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 {
+        File file = new File(TEST_SRC, "help_help.out");
+        List<String> fileOutput = Utils.fileAsList(file);
+        List<String> outputAsLines = output.asLines();
+        assertTrue(outputAsLines.containsAll(fileOutput),
+                "The ouput should contain all content of " + file.getAbsolutePath());
+    }
+
+}