src/testcases/org/apache/tools/ant/taskdefs/ConcatTest.java

/*
 * The Apache Software License, Version 1.1
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 * modification, are permitted provided that the following conditions
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 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
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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!");
    }

}