/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002 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 "The Jakarta Project", "Ant", 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.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.BuildFileTest;

import java.io.File;

/**
 * A test class for the 'concat' task, used to concatenate a series of
 * files into a single stream.
 *
 * @author <a href="mailto:derek@activate.net">Derek Slager</a>
 */
public class ConcatTest 
    extends BuildFileTest {

    /**
     * The name of the temporary file.
     */
    private static final String tempFile = "concat.tmp";

    /**
     * The name of the temporary file.
     */
    private static final String tempFile2 = "concat.tmp.2";

    /**
     * Required constructor.
     */
    public ConcatTest(String name) {
        super(name);
    }

    /**
     * Test set up, called by the unit test framework prior to each
     * test.
     */
    public void setUp() {
        configureProject("src/etc/testcases/taskdefs/concat.xml");
    }

    /**
     * Test tear down, called by the unit test framework prior to each
     * test.
     */
    public void tearDown() {
        // Remove temporary files.
        String[] rm = new String[] { tempFile, tempFile2 };
        for (int i = 0; i < rm.length; i++) {
            File f = new File(getProjectDir(), rm[i]);
            if (f.exists()) {
                f.delete();
            }
        }
    }

    /**
     * Expect an exception when insufficient information is provided.
     */
    public void test1() {
        expectBuildException("test1", "Insufficient information.");
    }

    /**
     * Expect an exception when the destination file is invalid.
     */
    public void test2() {
        expectBuildException("test2", "Invalid destination file.");
    }

    /**
     * Cats the string 'Hello, World!' to a temporary file.
     */
    public void test3() {

        File file = new File(getProjectDir(), tempFile);
        if (file.exists()) {
            file.delete();
        }

        executeTarget("test3");

        assertTrue(file.exists());
    }

    /**
     * Cats the file created in test3 three times.
     */
    public void test4() {

        test3();

        File file = new File(getProjectDir(), tempFile);
        final long origSize = file.length();

        executeTarget("test4");

        File file2 = new File(getProjectDir(), tempFile2);
        final long newSize = file2.length();

        assertEquals(origSize * 3, newSize);
    }

    /**
     * Cats the string 'Hello, World!' to the console.
     */
    public void test5() {
        expectLog("test5", "Hello, World!");
    }

}
