Cobertura example source code file (CommandLineBuilderTest.java)

This example Cobertura source code file (CommandLineBuilderTest.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 - Cobertura tags/keywords

commandlinebuilder, commandlinebuilder, commandlinebuildertest, exception, exception, file, hello, illegalargumentexception, io, ioexception, nullpointerexception, nullpointerexception, string, string, testcase

The Cobertura CommandLineBuilderTest.java source code

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2005 Grzegorz Lukasik
 *
 * Note: This file is dual licensed under the GPL and the Apache
 * Source License (so that it can be used from both the main
 * Cobertura classes and the ant tasks).
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */
package net.sourceforge.cobertura.util;

import java.io.File;
import java.io.IOException;

import junit.framework.TestCase;

/**
 * @author Grzegorz Lukasik
 */
public class CommandLineBuilderTest extends TestCase {

	private String[] testArguments( String[] args) throws Exception {
		CommandLineBuilder builder = new CommandLineBuilder();
		for( int i=0; i<args.length; i++)
			builder.addArg( args[i]);
		builder.saveArgs();
		
		File cmdFile = new File(builder.getCommandLineFile());
		assertTrue( cmdFile.isAbsolute());
		assertTrue( cmdFile.isFile());
		
		String[] result = 
		CommandLineBuilder.preprocessCommandLineArguments(
				new String[] { "--commandsfile", builder.getCommandLineFile()});
		builder.dispose();
		
		return result;
	}
	
	public void testExample() throws Exception {
		CommandLineBuilder builder = new CommandLineBuilder();
		builder.addArg("--someoption");
		builder.addArg("optionValue");
		builder.saveArgs();
		
		String[] args = 
		CommandLineBuilder.preprocessCommandLineArguments(
				new String[] { "--commandsfile", builder.getCommandLineFile()});

		assertEquals( "--someoption", args[0]);
		assertEquals( "optionValue", args[1]);
		
		builder.dispose();
	}

	public void testExample_2() throws Exception {
		CommandLineBuilder builder = new CommandLineBuilder();
		builder.addArg("--someoption", "optionValue");
		builder.saveArgs();
		
		String[] args = 
		CommandLineBuilder.preprocessCommandLineArguments(
				new String[] { "--commandsfile", builder.getCommandLineFile()});

		assertEquals( "--someoption", args[0]);
		assertEquals( "optionValue", args[1]);
		
		builder.dispose();
	}
	
	private void assertEquals(String[] first, String[] second)
	{
		assertEquals(first.length, second.length);
		for (int i = 0; i < first.length; i++)
		{
			assertEquals(first[i], second[i]);
		}
	}

	public void testManyOptions() throws Exception {
		String[] options = new String[100000];
		for( int i=0; i<options.length; i++) {
			options[i] = "myOption" + i;
		}

		String[] args = testArguments( options);
		assertEquals( options, args);
	}

	public void testVariousOptions() throws Exception {
		String[] options = { "hello", " one", "two ", "  three , ", "\"'xx", " ", "file .java", "f.java",
				"#@()39340*(@0$#&%^@#&4098353856_*(_@735/896_udsknbfdvzxvkasd DSFWBXfqw']][.,=---3\\]];",
				"null", "!@#$%^&*()_+-={}|[]\\:\";'<>?,./'"
		};
		String[] args = testArguments( options);
		assertEquals( options, args);
	}

	public void testEmptyOptions() throws Exception {
		String[] args = testArguments( new String[0]);
		assertEquals( new String[0], args);
	}

	public void testInvalidArguments() throws Exception {
		CommandLineBuilder builder = new CommandLineBuilder();
		try {
			builder.addArg(null);
			fail( "NullPointerException expected");
		} catch( NullPointerException ex) {}
		try {
			builder.addArg( "someArgument", null);
			fail( "NullPointerException expected");
		} catch( NullPointerException ex) {}
		try {
			builder.addArg( null, "someValue");
			fail( "NullPointerException expected");
		} catch( NullPointerException ex) {}
		try {
			CommandLineBuilder.preprocessCommandLineArguments(null);
			fail( "NullPointerException expected");
		} catch( NullPointerException ex) {}

		try {
			CommandLineBuilder.preprocessCommandLineArguments(new String[] { "Hello", null });
			fail( "NullPointerException expected");
		} catch( NullPointerException ex) {}

		try {
			CommandLineBuilder.preprocessCommandLineArguments(new String[] { "--commandsfile", "hello", null });
			fail( "NullPointerException expected");
		} catch( NullPointerException ex) {}
	}

	public void testCommandsFileOption() throws Exception {
		String[] args = { "Hello", "world" };
		String[] result = CommandLineBuilder.preprocessCommandLineArguments( args);
		assertSame( args, result);
		
		try {
			args = new String[]{ "Hello", "--commandsfile" };
			CommandLineBuilder.preprocessCommandLineArguments( args);
			fail( "IllegalArgumentException expected");
		} catch( IllegalArgumentException ex) {}

		try {
			args = new String[]{ "Hello", "--commandsfile", "hello.cmd" };
			CommandLineBuilder.preprocessCommandLineArguments( args);
			fail( "IO Exception expected");
		} catch( IOException ex) {}
	}
	
}