/*
    * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
    * the spring framework, http://el4j.sf.net
    * Copyright (C) 2008 by ELCA Informatique SA, Av. de la Harpe 22-24,
    * 1000 Lausanne, Switzerland, http://www.elca.ch
    *
    * EL4J is published under the GNU Lesser General Public License (LGPL)
    * Version 2.1. See http://www.gnu.org/licenses/
    *
   * This program 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 Lesser General Public License for more details.
   *
   * For alternative licensing, please contact info@elca.ch
   */
  package ch.elca.el4j.tests.services.debug;
  
  import static org.junit.Assert.assertEquals;
  
  import java.util.Properties;
  
  import org.junit.Test;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.support.FileSystemXmlApplicationContext;
  
  import ch.elca.el4j.services.debug.BshCommandLineLauncher;
  import ch.elca.el4j.services.debug.ResultHolder;
  import ch.elca.el4j.services.debug.ShellExecutor;
  import ch.elca.el4j.services.debug.ShellExecutorImpl;
  import ch.elca.el4j.util.codingsupport.annotations.FindBugsSuppressWarnings;
  
  /**
   * @svnLink $Revision: 4010 $;$Date: 2009-12-01 10:59:54 +0100 (Di, 01. Dez 2009) $;$Author: jonasha $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/bshlauncher/src/test/java/ch/elca/el4j/tests/services/debug/ShellExecutorTest.java $
   */
  public class ShellExecutorTest {
  
  	@Test
  	public void testSimpleEval () {
  		ShellExecutor se = new ShellExecutorImpl();
  		
  		se.eval("bsh.show=true;");
  		Object result = se.eval("System.out.println(\"hello world\"); ii=10;");
  		System.out.println("result:"+result);
  	}
  	
  	@Test
  	public void testBshCommandLauncher() {
  		Properties bkup = System.getProperties();
  		
  		System.setProperty(BshCommandLineLauncher.BSH_LAUNCH_STRING, "uu=123;");
  		ApplicationContext ac = new FileSystemXmlApplicationContext("classpath*:mandatory/debugStartBshLauncher.xml");
  		
  		BshCommandLineLauncher b = (BshCommandLineLauncher) ac.getBean("bshLauncher");
  		ResultHolder result = b.getShellExecutor().eval("i=uu;"); // returns the value of "uu" (=123)
  		assertEquals(123, ((Number) result.getReturnValue()).longValue());
  		
  		System.setProperties(bkup); // restore original system properties
  	}
  	
  	@Test
  	@FindBugsSuppressWarnings(value = "DLS_DEAD_LOCAL_STORE",
  							justification = "Test method doesn't care for values that are never read")
  	public void testBshCommandLauncher2() {
  		Properties bkup = System.getProperties();
  		
  		System.setProperty(BshCommandLineLauncher.BSH_LAUNCH_STRING, "aa=2;");
  		ApplicationContext ac = new FileSystemXmlApplicationContext ("classpath*:mandatory/debugStartBshLauncher.xml");
  		
  		BshCommandLineLauncher b = (BshCommandLineLauncher) ac.getBean("bshLauncher");
  		b.addScriptletClasspath("/test_scriptlets");
  		ResultHolder result = b.getShellExecutor().eval("debug(); el4j_test(); threadInfo();"); // increment aa
  		result = b.getShellExecutor().eval("i=aa;"); // returns the value of "vv" (=3)
  		assertEquals(3, ((Number)result.getReturnValue()).longValue());
  		
  		System.setProperties(bkup); // restore original system properties
  	}
  	
  }