Ant example source code file (BZip2Test.java)

This example Ant source code file (BZip2Test.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 - Ant tags/keywords

b, bufferedinputstream, bzip2test, bzip2test, cbzip2inputstream, file, file, fileinputstream, fileinputstream, fileutils, inputstream, inputstream, io, string, z

The BZip2Test.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.BuildFileTest;
import org.apache.tools.ant.util.FileUtils;
import org.apache.tools.bzip2.CBZip2InputStream;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.IOException;

/**
 */
public class BZip2Test extends BuildFileTest {

    /** Utilities used for file operations */
    private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();

    public BZip2Test(String name) {
        super(name);
    }

    public void setUp() {
        configureProject("src/etc/testcases/taskdefs/bzip2.xml");
        executeTarget("prepare");
    }

    public void tearDown() {
        executeTarget("cleanup");
    }

    public void testRealTest() throws IOException {
        executeTarget("realTest");

        // doesn't work: Depending on the compression engine used,
        // compressed bytes may differ. False errors would be
        // reported.
        // assertTrue("File content mismatch",
        // FILE_UTILS.contentEquals(project.resolveFile("expected/asf-logo-huge.tar.bz2"),
        // project.resolveFile("asf-logo-huge.tar.bz2")));

        // We have to compare the decompressed content instead:

        File originalFile =
            project.resolveFile("expected/asf-logo-huge.tar.bz2");
        File actualFile   = project.resolveFile("asf-logo-huge.tar.bz2");

        InputStream originalIn =
            new BufferedInputStream(new FileInputStream(originalFile));
        assertEquals((byte) 'B', originalIn.read());
        assertEquals((byte) 'Z', originalIn.read());

        InputStream actualIn =
            new BufferedInputStream(new FileInputStream(actualFile));
        assertEquals((byte) 'B', actualIn.read());
        assertEquals((byte) 'Z', actualIn.read());

        originalIn = new CBZip2InputStream(originalIn);
        actualIn   = new CBZip2InputStream(actualIn);

        while (true) {
            int expected = originalIn.read();
            int actual   = actualIn.read();
            if (expected >= 0) {
                if (expected != actual) {
                    fail("File content mismatch");
                }
            } else {
                if (actual >= 0) {
                    fail("File content mismatch");
                }
                break;
            }
        }

        originalIn.close();
        actualIn.close();
    }

    public void testResource(){
        executeTarget("realTestWithResource");
    }

    public void testDateCheck(){
        executeTarget("testDateCheck");
        String log = getLog();
        assertTrue(
            "Expecting message ending with 'asf-logo.gif.bz2 is up to date.' but got '" + log + "'",
            log.endsWith("asf-logo.gif.bz2 is up to date."));
    }

}