test/org/apache/bsf/BSFEngineTestTmpl.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2004 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 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 end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "Apache BSF", "Apache", and "Apache Software Foundation"
 *    must not be used to endorse or promote products derived from
 *    this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``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 APACHE SOFTWARE FOUNDATION 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many individuals
 * on behalf of the Apache Software Foundation and was originally created by
 * Sanjiva Weerawarana and others at International Business Machines
 * Corporation. For more information on the Apache Software Foundation,
 * please see <http://www.apache.org/>.
 */

package org.apache.bsf;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

import junit.framework.TestCase;

import org.apache.bsf.BSFManager;

/**
 * Superclass for language engine tests.
 * @author   Victor J. Orlikowski <vjo@us.ibm.com>
 */
public abstract class BSFEngineTestTmpl extends TestCase {
    protected BSFManager bsfManager;
    protected PrintStream sysOut;

    private PrintStream tmpOut;
    private ByteArrayOutputStream tmpBaos;

    public BSFEngineTestTmpl(String name) {
        super(name);

        sysOut = System.out;
        tmpBaos = new ByteArrayOutputStream();
        tmpOut = new PrintStream(tmpBaos);
    }

    public void setUp() {
        bsfManager = new BSFManager();
        System.setOut(tmpOut);
    }

    public void tearDown() {
        System.setOut(sysOut);
        resetTmpOut();
    }
    
    protected String getTmpOutStr() {
        return tmpBaos.toString();
    }

    protected void resetTmpOut() {
        tmpBaos.reset();
    }
    
    protected String failMessage(String failure, Exception e) {
        String message = failure;
        message += "\nReason:\n";
        message += e.getMessage();
        message += "\n";
        return message;
    }
}