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/*******************************************************************************
* Copyright (c) 2009 Red Hat, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.callgraph.launch.tests;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import junit.framework.TestCase;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.linuxtools.callgraph.launch.LaunchStapGraph;
import org.eclipse.linuxtools.internal.callgraph.core.LaunchConfigurationConstants;
public class SystemTapCommandLineTest extends TestCase {
File tmpfile = new File("");
public final String currentPath = tmpfile.getAbsolutePath();
public String stapCommand;
public final String scriptPath = currentPath+"/stapscript";
public String binaryPath = "";
public final String graphDataPath = currentPath+"/graph_data_output.graph";
public final String parseFunctionPath = currentPath+"/parse_function_nomark.stp";
//FOR TESTING RAW STAP SCRIPT OUTPUT
public String getCommandOutput(String command, boolean needsBinary){
Runtime rt = Runtime.getRuntime();
try {
//CREATE/ACCESS A TEMPORARY FILE TO HOLD THE SCRIPT
File file = new File(scriptPath);
file.createNewFile();
//WRITE THE COMMAND TO THE FILE
BufferedWriter wbuff = new BufferedWriter(new FileWriter(file));
wbuff.write(command);
wbuff.close();
//EXECUTE THE COMMAND
Process pr = null;
rt.exec("kill stap");
if (needsBinary){
pr = rt.exec("stap -c '"+binaryPath+ "' "+ scriptPath + " " + binaryPath);
}else{
pr = rt.exec("stap "+scriptPath);
}
pr.waitFor();
InputStream inpstr = pr.getInputStream();
BufferedReader rbuff = new BufferedReader (new InputStreamReader(inpstr));
String line = "";
String text = "";
//READ THE STANDARD OUTPUT OF COMMAND
while ((line = rbuff.readLine()) != null){
text += line;
}
rbuff.close();
return text;
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
public void testBasicStapScript() {
if (!TestConstants.canRunStap)
return;
final String expected = "probe_beginprobe_end";
String command = "probe begin { " +
"printf(\"probe_begin\")" +
"exit()" +
"}" +
"probe end {" +
"printf(\"probe_end\")" +
"}";
String actual = getCommandOutput(command, false);
assertEquals(expected, actual);
}
public void testFunctionProbes(){
binaryPath = currentPath+"/basic";
final String expected = "mainfoo";
String command = "probe process(@1).function(\"*\"){ printf(\"%s\",probefunc()) }";
String actual = getCommandOutput(command, true);
assertEquals(expected, actual);
}
public void testBasicOperations(){
if (!TestConstants.canRunStap)
return;
final String expected = "01234";
String command = "global map\n" +
"global num\n" +
"probe begin {" +
"for (num=0; num<5; num++){"+
"map[num]=num"+
"}"+
"exit()"+
"}"+
"probe end {" +
"foreach (tmp in map){"+
"printf(\"%d\",map[tmp])"+
"}"+
"}";
String actual = getCommandOutput(command, false);
assertEquals(expected, actual);
}
public void testFailure(){
try {
LaunchStapGraph shortcut = new LaunchStapGraph();
ILaunchConfiguration config = shortcut.outsideGetLaunchConfigType().newInstance(null, "Temp Name");
ILaunchConfigurationWorkingCopy wc = config.copy("Temp Name");
wc.setAttribute(LaunchConfigurationConstants.BINARY_PATH,currentPath + "/basic");
wc.setAttribute(LaunchConfigurationConstants.SCRIPT_PATH,scriptPath);
wc.setAttribute(LaunchConfigurationConstants.ARGUMENTS,"-e'()'");
wc.setAttribute(LaunchConfigurationConstants.OUTPUT_PATH,graphDataPath);
config = wc.doSave();
config.launch("profile", null);
} catch (CoreException e) {
e.printStackTrace();
}
}
public void initializeFiles(){
File scriptFile = new File(scriptPath);
File graphDataFile = new File(graphDataPath);
try {
scriptFile.createNewFile();
graphDataFile.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
}
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