OptionSetSyntaxTest.java example

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/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.test.shell.syntax;

import org.jnode.shell.AbstractCommand;
import org.jnode.shell.Command;
import org.jnode.shell.CommandInfo;
import org.jnode.shell.CommandLine;
import org.jnode.shell.CommandLine.Token;
import org.jnode.shell.syntax.Argument;
import org.jnode.shell.syntax.CommandSyntaxException;
import org.jnode.shell.syntax.FileArgument;
import org.jnode.shell.syntax.FlagArgument;
import org.jnode.shell.syntax.IntegerArgument;
import org.jnode.shell.syntax.OptionSetSyntax;
import org.jnode.shell.syntax.OptionSyntax;
import org.junit.Assert;

public class OptionSetSyntaxTest {

    public static class Test extends AbstractCommand {
        private final FileArgument fileArg = new FileArgument("fileArg", Argument.OPTIONAL +
                Argument.MULTIPLE);
        private final IntegerArgument intArg = new IntegerArgument("intArg", Argument.OPTIONAL +
                Argument.MULTIPLE);
        private final FlagArgument flagArg1 = new FlagArgument("flagArg1", Argument.OPTIONAL +
                Argument.SINGLE);
        private final FlagArgument flagArg2 = new FlagArgument("flagArg2", Argument.OPTIONAL +
                Argument.SINGLE);
        private final FlagArgument flagArg3 = new FlagArgument("flagArg3", Argument.OPTIONAL +
                Argument.SINGLE);
        private final FlagArgument flagArg4 = new FlagArgument("flagArg4", Argument.OPTIONAL +
                Argument.SINGLE);

        public Test() {
            registerArguments(fileArg, intArg, flagArg1, flagArg2, flagArg3, flagArg4);
        }

        public void execute() throws Exception {
        }
    }

    @org.junit.Test
    public void testConstructor() {
        new OptionSetSyntax(new OptionSyntax("intArg", 'i'), new OptionSyntax("fileArg", 'f'),
                new OptionSyntax("flagArg1", 'x'), new OptionSyntax("flagArg2", 'y'),
                new OptionSyntax("flagArg3", 'z'), new OptionSyntax("flagArg4", "boring"));
    }

    @org.junit.Test
    public void testOne() throws Exception {
        TestShell shell = new TestShell();
        shell.addAlias("cmd", "org.jnode.test.shell.syntax.OptionSetSyntaxTest$Test");
        shell.addSyntax("cmd", new OptionSetSyntax(new OptionSyntax("intArg", 'i'),
                new OptionSyntax("fileArg", 'f'), new OptionSyntax("flagArg1", 'x'),
                new OptionSyntax("flagArg2", 'y'), new OptionSyntax("flagArg3", 'z'),
                new OptionSyntax("flagArg4", "boring")));

        CommandLine cl;
        CommandInfo cmdInfo;
        Command cmd;

        cl = new CommandLine(new Token("cmd"), new Token[] {}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);

        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1")},
                        null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals("F1", cmd.getArgumentBundle().getArgument("fileArg").getValue()
                .toString());

        cl =
                new CommandLine(new Token("cmd"), new Token[] {new Token("-f"), new Token("F1"),
                    new Token("-x"), new Token("-yz")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("flagArg1").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("flagArg2").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("flagArg3").getValues().length);

        cl = new CommandLine(new Token("cmd"), new Token[] {new Token("-yz")}, null);
        cmdInfo = cl.parseCommandLine(shell);
        cmd = cmdInfo.createCommandInstance();
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("fileArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("intArg").getValues().length);
        Assert.assertEquals(0, cmd.getArgumentBundle().getArgument("flagArg1").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("flagArg2").getValues().length);
        Assert.assertEquals(1, cmd.getArgumentBundle().getArgument("flagArg3").getValues().length);

        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {new Token("-xya")}, null);
            cl.parseCommandLine(shell);
            Assert.fail("no exception");
        } catch (CommandSyntaxException ex) {
            // expected
        }

        try {
            cl = new CommandLine(new Token("cmd"), new Token[] {new Token("-")}, null);
            cl.parseCommandLine(shell);
            Assert.fail("no exception");
        } catch (CommandSyntaxException ex) {
            // expected
        }
    }
}