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Ant example source code file (PathTest.java)

This example Ant source code file (PathTest.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

buildexception, buildexception, can, file, io, netware, path, path, reference, string, string, unix, unix, util, windows, you

The PathTest.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.types;

import java.io.File;
import java.util.Locale;

import junit.framework.TestCase;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.condition.Os;

/**
 * JUnit 3 testcases for org.apache.tools.ant.types.Path
 *
 */

public class PathTest extends TestCase {

    public static boolean isUnixStyle = File.pathSeparatorChar == ':';
    public static boolean isNetWare = Os.isFamily("netware");

    private Project project;

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

    public void setUp() {
        project = new Project();
        project.setBasedir(System.getProperty("root"));
    }

    // actually tests constructor as well as setPath
    public void testConstructorUnixStyle() {
        Path p = new Path(project, "/a:/b");
        String[] l = p.list();
        assertEquals("two items, Unix style", 2, l.length);
        if (isUnixStyle) {
            assertEquals("/a", l[0]);
            assertEquals("/b", l[1]);
        } else if (isNetWare) {
            assertEquals("\\a", l[0]);
            assertEquals("\\b", l[1]);
        } else {
            String base = new File(File.separator).getAbsolutePath();
            assertEquals(base + "a", l[0]);
            assertEquals(base + "b", l[1]);
        }
    }

    public void testRelativePathUnixStyle() {
        project.setBasedir(new File(System.getProperty("root"), "src/etc").getAbsolutePath());
        Path p = new Path(project, "..:testcases");
        String[] l = p.list();
        assertEquals("two items, Unix style", 2, l.length);
        if (isUnixStyle) {
           assertTrue("test resolved relative to src/etc",
                 l[0].endsWith("/src"));
           assertTrue("test resolved relative to src/etc",
                 l[1].endsWith("/src/etc/testcases"));
        } else if (isNetWare) {
           assertTrue("test resolved relative to src/etc",
                 l[0].endsWith("\\src"));
           assertTrue("test resolved relative to src/etc",
                 l[1].endsWith("\\src\\etc\\testcases"));
        } else {
           assertTrue("test resolved relative to src/etc",
                 l[0].endsWith("\\src"));
           assertTrue("test resolved relative to src/etc",
                 l[1].endsWith("\\src\\etc\\testcases"));
        }
    }

    public void testConstructorWindowsStyle() {
        Path p = new Path(project, "\\a;\\b");
        String[] l = p.list();
        assertEquals("two items, DOS style", 2, l.length);
        if (isUnixStyle) {
            assertEquals("/a", l[0]);
            assertEquals("/b", l[1]);
        } else if (isNetWare) {
            assertEquals("\\a", l[0]);
            assertEquals("\\b", l[1]);
        } else {
            String base = new File(File.separator).getAbsolutePath();
            assertEquals(base + "a", l[0]);
            assertEquals(base + "b", l[1]);
        }

        p = new Path(project, "c:\\test");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 2, l.length);
            assertTrue("c resolved relative to project\'s basedir",
                   l[0].endsWith("/c"));
            assertEquals("/test", l[1]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 1, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
        } else {
            assertEquals("drives on DOS", 1, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
        }

        p = new Path(project, "c:\\test;d:\\programs");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 4, l.length);
            assertTrue("c resolved relative to project\'s basedir",
                   l[0].endsWith("/c"));
            assertEquals("/test", l[1]);
            assertTrue("d resolved relative to project\'s basedir",
                   l[2].endsWith("/d"));
            assertEquals("/programs", l[3]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 2, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("d:\\programs", l[1].toLowerCase(Locale.US));
        } else {
            assertEquals("drives on DOS", 2, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("d:\\programs", l[1].toLowerCase(Locale.US));
        }

        p = new Path(project, "c:/test");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 2, l.length);
            assertTrue("c resolved relative to project\'s basedir",
                   l[0].endsWith("/c"));
            assertEquals("/test", l[1]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 1, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
        } else {
            assertEquals("drives on DOS", 1, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
        }

        p = new Path(project, "c:/test;d:/programs");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 4, l.length);
            assertTrue("c resolved relative to project\'s basedir",
                   l[0].endsWith("/c"));
            assertEquals("/test", l[1]);
            assertTrue("d resolved relative to project\'s basedir",
                   l[2].endsWith("/d"));
            assertEquals("/programs", l[3]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 2, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("d:\\programs", l[1].toLowerCase(Locale.US));
        } else {
            assertEquals("drives on DOS", 2, l.length);
            assertEquals("c:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("d:\\programs", l[1].toLowerCase(Locale.US));
        }
    }

    public void testConstructorNetWareStyle() {
        // try a netware-volume length path, see how it is handled
        Path p = new Path(project, "sys:\\test");
        String[] l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 2, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("/sys"));
            assertEquals("/test", l[1]);
        } else if (isNetWare) {
            assertEquals("sys:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("volumes on NetWare", 1, l.length);
        } else {
            assertEquals("no multiple character-length volumes on Windows", 2, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("\\sys"));
            assertTrue("test resolved relative to project\'s basedir",
                   l[1].endsWith("\\test"));
        }

        // try a multi-part netware-volume length path, see how it is handled
        p = new Path(project, "sys:\\test;dev:\\temp");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 4, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("/sys"));
            assertEquals("/test", l[1]);
            assertTrue("dev resolved relative to project\'s basedir",
                   l[2].endsWith("/dev"));
            assertEquals("/temp", l[3]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 2, l.length);
            assertEquals("sys:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("dev:\\temp", l[1].toLowerCase(Locale.US));
        } else {
            assertEquals("no multiple character-length volumes on Windows", 4, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("\\sys"));
            assertTrue("test resolved relative to project\'s basedir",
                   l[1].endsWith("\\test"));
            assertTrue("dev resolved relative to project\'s basedir",
                   l[2].endsWith("\\dev"));
            assertTrue("temp resolved relative to project\'s basedir",
                   l[3].endsWith("\\temp"));
        }

        // try a netware-volume length path w/forward slash, see how it is handled
        p = new Path(project, "sys:/test");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 2, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("/sys"));
            assertEquals("/test", l[1]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 1, l.length);
            assertEquals("sys:\\test", l[0].toLowerCase(Locale.US));
        } else {
            assertEquals("no multiple character-length volumes on Windows", 2, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("\\sys"));
            assertTrue("test resolved relative to project\'s basedir",
                   l[1].endsWith("\\test"));
        }

        // try a multi-part netware-volume length path w/forward slash, see how it is handled
        p = new Path(project, "sys:/test;dev:/temp");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 4, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("/sys"));
            assertEquals("/test", l[1]);
            assertTrue("dev resolved relative to project\'s basedir",
                   l[2].endsWith("/dev"));
            assertEquals("/temp", l[3]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 2, l.length);
            assertEquals("sys:\\test", l[0].toLowerCase(Locale.US));
            assertEquals("dev:\\temp", l[1].toLowerCase(Locale.US));
        } else {
            assertEquals("no multiple character-length volumes on Windows", 4, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("\\sys"));
            assertTrue("test resolved relative to project\'s basedir",
                   l[1].endsWith("\\test"));
            assertTrue("dev resolved relative to project\'s basedir",
                   l[2].endsWith("\\dev"));
            assertTrue("temp resolved relative to project\'s basedir",
                   l[3].endsWith("\\temp"));
         }

        // try a multi-part netware-volume length path with UNIX
        // separator (this testcase if from an actual bug that was
        // found, in AvailableTest, which uses PathTokenizer)
        p = new Path(project,
                     "SYS:\\JAVA/lib/rt.jar:SYS:\\JAVA/lib/classes.zip");
        l = p.list();
        if (isUnixStyle) {
            assertEquals("no drives on Unix", 3, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("/SYS"));
            assertEquals("/JAVA/lib/rt.jar", l[1]);
            assertEquals("/JAVA/lib/classes.zip", l[2]);
        } else if (isNetWare) {
            assertEquals("volumes on NetWare", 2, l.length);
            assertEquals("sys:\\java\\lib\\rt.jar", l[0].toLowerCase(Locale.US));
            assertEquals("sys:\\java\\lib\\classes.zip", l[1].toLowerCase(Locale.US));
        } else {
            assertEquals("no multiple character-length volumes on Windows", 3, l.length);
            assertTrue("sys resolved relative to project\'s basedir",
                   l[0].endsWith("\\SYS"));
            assertTrue("java/lib/rt.jar resolved relative to project\'s basedir",
                   l[1].endsWith("\\JAVA\\lib\\rt.jar"));
            assertTrue("java/lib/classes.zip resolved relative to project\'s basedir",
                   l[2].endsWith("\\JAVA\\lib\\classes.zip"));
        }
    }

    public void testConstructorMixedStyle() {
        Path p = new Path(project, "\\a;\\b:/c");
        String[] l = p.list();
        assertEquals("three items, mixed style", 3, l.length);
        if (isUnixStyle) {
            assertEquals("/a", l[0]);
            assertEquals("/b", l[1]);
            assertEquals("/c", l[2]);
        } else if (isNetWare) {
            assertEquals("\\a", l[0]);
            assertEquals("\\b", l[1]);
            assertEquals("\\c", l[2]);
        } else {
            String base = new File(File.separator).getAbsolutePath();
            assertEquals(base + "a", l[0]);
            assertEquals(base + "b", l[1]);
            assertEquals(base + "c", l[2]);
        }
    }

    public void testSetLocation() {
        Path p = new Path(project);
        p.setLocation(new File(File.separatorChar+"a"));
        String[] l = p.list();
        if (isUnixStyle) {
            assertEquals(1, l.length);
            assertEquals("/a", l[0]);
        } else if (isNetWare) {
            assertEquals(1, l.length);
            assertEquals("\\a", l[0]);
        } else {
            assertEquals(1, l.length);
            assertEquals(":\\a", l[0].substring(1));
        }
    }

    public void testAppending() {
        Path p = new Path(project, "/a:/b");
        String[] l = p.list();
        assertEquals("2 after construction", 2, l.length);
        p.setLocation(new File("/c"));
        l = p.list();
        assertEquals("3 after setLocation", 3, l.length);
        p.setPath("\\d;\\e");
        l = p.list();
        assertEquals("5 after setPath", 5, l.length);
        p.append(new Path(project, "\\f"));
        l = p.list();
        assertEquals("6 after append", 6, l.length);
        p.createPath().setLocation(new File("/g"));
        l = p.list();
        assertEquals("7 after append", 7, l.length);
    }

    public void testEmpyPath() {
        Path p = new Path(project, "");
        String[] l = p.list();
        assertEquals("0 after construction", 0, l.length);
        p.setPath("");
        l = p.list();
        assertEquals("0 after setPath", 0, l.length);
        p.append(new Path(project));
        l = p.list();
        assertEquals("0 after append", 0, l.length);
        p.createPath();
        l = p.list();
        assertEquals("0 after append", 0, l.length);
    }

    public void testUnique() {
        Path p = new Path(project, "/a:/a");
        String[] l = p.list();
        assertEquals("1 after construction", 1, l.length);
        String base = new File(File.separator).getAbsolutePath();
        p.setLocation(new File(base, "a"));
        l = p.list();
        assertEquals("1 after setLocation", 1, l.length);
        p.setPath("\\a;/a");
        l = p.list();
        assertEquals("1 after setPath", 1, l.length);
        p.append(new Path(project, "/a;\\a:\\a"));
        l = p.list();
        assertEquals("1 after append", 1, l.length);
        p.createPath().setPath("\\a:/a");
        l = p.list();
        assertEquals("1 after append", 1, l.length);
    }

    public void testEmptyElementIfIsReference() {
        Path p = new Path(project, "/a:/a");
        try {
            p.setRefid(new Reference("dummyref"));
            fail("Can add reference to Path with elements from constructor");
        } catch (BuildException be) {
            assertEquals("You must not specify more than one attribute when using refid",
                         be.getMessage());
        }

        p = new Path(project);
        p.setLocation(new File("/a"));
        try {
            p.setRefid(new Reference("dummyref"));
            fail("Can add reference to Path with elements from setLocation");
        } catch (BuildException be) {
            assertEquals("You must not specify more than one attribute when using refid",
                         be.getMessage());
        }

        Path another = new Path(project, "/a:/a");
        project.addReference("dummyref", another);
        p = new Path(project);
        p.setRefid(new Reference("dummyref"));
        try {
            p.setLocation(new File("/a"));
            fail("Can set location in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify more than one attribute when using refid",
                         be.getMessage());
        }

        try {
            p.setPath("/a;\\a");
            fail("Can set path in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify more than one attribute when using refid",
                         be.getMessage());
        }

        try {
            p.createPath();
            fail("Can create nested Path in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify nested elements when using refid",
                         be.getMessage());
        }

        try {
            p.createPathElement();
            fail("Can create nested PathElement in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify nested elements when using refid",
                         be.getMessage());
        }

        try {
            p.addFileset(new FileSet());
            fail("Can add nested FileSet in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify nested elements when using refid",
                         be.getMessage());
        }

        try {
            p.addFilelist(new FileList());
            fail("Can add nested FileList in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify nested elements when using refid",
                         be.getMessage());
        }

        try {
            p.addDirset(new DirSet());
            fail("Can add nested Dirset in Path that is a reference.");
        } catch (BuildException be) {
            assertEquals("You must not specify nested elements when using refid",
                         be.getMessage());
        }
    }

    public void testCircularReferenceCheck() {
        Path p = new Path(project);
        project.addReference("dummy", p);
        p.setRefid(new Reference("dummy"));
        try {
            p.list();
            fail("Can make Path a Reference to itself.");
        } catch (BuildException be) {
            assertEquals("This data type contains a circular reference.",
                         be.getMessage());
        }

        // dummy1 --> dummy2 --> dummy3 --> dummy1
        Path p1 = new Path(project);
        project.addReference("dummy1", p1);
        Path p2 = p1.createPath();
        project.addReference("dummy2", p2);
        Path p3 = p2.createPath();
        project.addReference("dummy3", p3);
        p3.setRefid(new Reference("dummy1"));
        try {
            p1.list();
            fail("Can make circular reference.");
        } catch (BuildException be) {
            assertEquals("This data type contains a circular reference.",
                         be.getMessage());
        }

        // dummy1 --> dummy2 --> dummy3 (with Path "/a")
        p1 = new Path(project);
        project.addReference("dummy1", p1);
        p2 = p1.createPath();
        project.addReference("dummy2", p2);
        p3 = p2.createPath();
        project.addReference("dummy3", p3);
        p3.setLocation(new File("/a"));
        String[] l = p1.list();
        assertEquals("One element buried deep inside a nested path structure",
                     1, l.length);
        if (isUnixStyle) {
            assertEquals("/a", l[0]);
        } else if (isNetWare) {
            assertEquals("\\a", l[0]);
        } else {
            assertEquals(":\\a", l[0].substring(1));
        }
    }

    public void testFileList() {
        Path p = new Path(project);
        FileList f = new FileList();
        f.setProject(project);
        f.setDir(project.resolveFile("."));
        f.setFiles("build.xml");
        p.addFilelist(f);
        String[] l = p.list();
        assertEquals(1, l.length);
        assertEquals(project.resolveFile("build.xml").getAbsolutePath(), l[0]);
    }

    public void testFileSet() {
        Path p = new Path(project);
        FileSet f = new FileSet();
        f.setProject(project);
        f.setDir(project.resolveFile("."));
        f.setIncludes("build.xml");
        p.addFileset(f);
        String[] l = p.list();
        assertEquals(1, l.length);
        assertEquals(project.resolveFile("build.xml").getAbsolutePath(), l[0]);
    }

    public void testDirSet() {
        Path p = new Path(project);
        DirSet d = new DirSet();
        d.setProject(project);
        d.setDir(project.resolveFile("."));
        d.setIncludes("build");
        p.addDirset(d);
        String[] l = p.list();
        assertEquals(1, l.length);
        assertEquals(project.resolveFile("build").getAbsolutePath(), l[0]);
    }

    public void testRecursion() {
        Path p = new Path(project);
        try {
            p.append(p);
            assertEquals(0, p.list().length);
        } catch (BuildException x) {
            String m = x.toString();
            assertTrue(m, m.indexOf("circular") != -1);
        }
    }

}

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