cachebsftest.java

大名鼎鼎的java动态脚本语言。已经通过了sun的认证

/*
 * $Id: CacheBSFTest.java,v 1.2 2005/03/02 08:22:40 jstrachan Exp $
 * 
 * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
 * 
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met: 1. Redistributions of source code must retain
 * copyright statements and notices. Redistributions must also contain a copy
 * of this document. 2. Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer in
 * the documentation and/or other materials provided with the distribution. 3.
 * The name "groovy" must not be used to endorse or promote products derived
 * from this Software without prior written permission of The Codehaus. For
 * written permission, please contact [e-mail]. 4. Products derived
 * from this Software may not be called "groovy" nor may "groovy" appear in
 * their names without prior written permission of The Codehaus. "groovy" is a
 * registered trademark of The Codehaus. 5. Due credit should be given to The
 * Codehaus - http://groovy.codehaus.org/
 * 
 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *  
 */
package org.codehaus.groovy.bsf;

import java.util.List;

import junit.framework.TestCase;

import org.apache.bsf.BSFManager;

/**
 * Tests the Caching BSF integration
 * 
 * @author James Birchfield
 * @version $Revision: 1.2 $
 */
public class CacheBSFTest extends TestCase {

    protected BSFManager manager;

    protected void setUp() throws Exception {
        // lets manually register Groovy until its part of the BSF distro
        BSFManager.registerScriptingEngine(
            "groovy",
            CachingGroovyEngine.class.getName(),
            new String[] { "groovy", "gy" });

        manager = new BSFManager();
    }

    public void testExec() throws Exception {
        manager.exec("groovy", "Test1.groovy", 0, 0, "println('testing Exec')");
        //nothing to really test here...just looking for debug that says it
        // used cache version
        manager.exec("groovy", "Test1.groovy", 0, 0, "println('testing Exec')");
    }

    public void testEval() throws Exception {
        Object answer = manager.eval("groovy", "Test1.groovy", 0, 0, "println('testing Eval')\n  return [1, 2, 3]");
        // nothing to really test here...just looking for debug that says it
        // used cache version
        answer = manager.eval("groovy", "Test.groovy", 0, 0, "println('testing Eval')\n  return [1, 2, 3]");

        assertTrue("Should return a list: " + answer, answer instanceof List);
        List list = (List) answer;
        assertEquals("List should be of right size", 3, list.size());

        System.out.println("The eval returned the value: " + list);
    }

    public void testBsfVariables() throws Exception {
        Object answer =
            manager.eval(
                "groovy",
                "Test1.groovy",
                0,
                0,
                "println('testing variables')\n  assert this.bsf != null\n  return this.bsf");
        assertTrue("Should have an answer", answer != null);
    }

    public void testVariables() throws Exception {
        manager.registerBean("x", new Integer(4));

        Object answer =
            manager.eval(
                "groovy",
                "Test1.groovy",
                0,
                0,
                "valueOfX = this.bsf.lookupBean('x'); assert valueOfX == 4; valueOfX + 1");
        // nothing to really test here...just looking for debug that says it
        // used cache version
        answer =
            manager.eval(
                "groovy",
                "Test2.groovy",
                0,
                0,
                "valueOfX = this.bsf.lookupBean('x'); assert valueOfX == 4; valueOfX + 1");
        assertEquals("Incorrect return", new Integer(5), answer);
    }

    public void testDeclaredVariables() throws Exception {
        manager.declareBean("foo", new Integer(5), Integer.class);

        Object answer = manager.eval("groovy", "Test1.groovy", 0, 0, "valueOfFoo = foo; return valueOfFoo");

        assertEquals(new Integer(5), answer);

        manager.declareBean("foo", new Integer(6), Integer.class);

        answer = manager.eval("groovy", "Test2.groovy", 0, 0, "valueOfFoo = foo; return valueOfFoo");
        assertEquals(new Integer(6), answer);
    }
}