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Groovy example source code file (CacheBSFTest.java)

This example Groovy source code file (CacheBSFTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

bsfexception, bsfmanager, cachinggroovyengine, compilationerror, compilationerror, exception, exception, exec, integer, integer, list, object, object, should, util

The Groovy CacheBSFTest.java source code

/*
 * $Id: CacheBSFTest.java 20485 2010-07-20 13:03:59Z paulk $
 * 
 * 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 info@codehaus.org. 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 junit.framework.TestCase;
import org.apache.bsf.BSFEngine;
import org.apache.bsf.BSFException;
import org.apache.bsf.BSFManager;

import java.util.List;
import java.util.Vector;

/**
 * Tests the Caching BSF integration
 *
 * @author James Birchfield
 * @version $Revision: 20485 $
 */
public class CacheBSFTest extends TestCase {

    protected BSFManager manager;
    private static final Class CACHING_ENGINE = CachingGroovyEngine.class;

    protected void setUp() throws Exception {
        // override standard engine with caching one
        BSFManager.registerScriptingEngine("groovy", CACHING_ENGINE.getName(), new String[]{"groovy", "gy"});
        manager = new BSFManager();
    }

    public void testVersion() throws Exception {
        //System.out.println("BSFManager.getVersion() = " + BSFManager.getVersion());
        BSFEngine bsfEngine = manager.loadScriptingEngine("groovy");
        assertEquals(CACHING_ENGINE, bsfEngine.getClass());
    }

    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 testCompileErrorWithExec() throws Exception {
        try {
            manager.exec("groovy", "dummy", 0, 0, "assert assert");
            fail("Should have caught compile exception");
        } catch (BSFException e) {
            assertTrue("e.getMessage() should contain CompilationError: " + e.getMessage(),
                    e.getMessage().indexOf("CompilationError") != -1);
        }
    }

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

    public void testCompileErrorWithEval() throws Exception {
        try {
            manager.eval("groovy", "dummy", 0, 0, "assert assert");
            fail("Should have caught compile exception");
        } catch (BSFException e) {
            assertTrue("e.getMessage() should contain CompilationError: " + e.getMessage(),
                    e.getMessage().indexOf("CompilationError") != -1);
        }
    }

    public void testBuiltInVariable() throws Exception {
        Object answer = manager.eval("groovy", "Test1.groovy", 0, 0,
                "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 dontcare = 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
        Object 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 testClassLoaderSet() throws BSFException {
        CachingGroovyEngine cachingGroovyEngine = new CachingGroovyEngine();
        manager.setClassLoader(null);
        cachingGroovyEngine.initialize(manager, "dummy", new Vector());
        // still working implies classloader set, coverage confirms this
        assertEquals("hi", manager.eval("groovy", "dummy", 0, 0, "'hi'"));
    }

    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);
    }
}

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