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/*
This file is part of GNUnet.
(C) 2011, 2012 Christian Grothoff (and other contributing authors)
GNUnet 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 3, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
package org.gnunet.util.getopt;
import org.junit.Assert;
import org.junit.Test;
class Target {
@Option(
action = OptionAction.STORE_STRING,
shortname = "s",
longname = "string",
argumentName = "SOME_STRING",
description = "just some string"
)
String someString;
@Option(
action = OptionAction.SET,
shortname = "y",
longname = "set",
description = "enable, default disabled"
)
boolean set = false;
@Option(
action = OptionAction.RESET,
shortname = "n",
longname = "reset",
description = "disable, default enabled"
)
boolean reset = true;
@Option(
action = OptionAction.INCREMENT,
shortname = "i",
longname = "inc",
description = "increment a counter"
)
int counter = 0;
@Option(
action = OptionAction.STORE_NUMBER,
shortname = "w",
longname = "value",
description = "some value"
)
int intVal = 0;
}
public class GetoptTest {
@Test
public void test_str() {
Target t = new Target();
Parser p = new Parser(t);
t.someString = null;
// argument after shortopt
p.parse(new String[]{"-s", "foo"});
Assert.assertEquals("foo", t.someString);
t.someString = null;
// argument directly with shortopt
p.parse(new String[]{"-sfoo"});
Assert.assertEquals("foo", t.someString);
t.someString = null;
p.parse(new String[]{"--string=foo"});
Assert.assertEquals("foo", t.someString);
t.someString = null;
p.parse(new String[]{"--string", "foo"});
Assert.assertEquals("foo", t.someString);
t.someString = null;
// last argument counts
p.parse(new String[]{"--string", "bar", "--string", "foo"});
Assert.assertEquals("foo", t.someString);
t.someString = null;
boolean thrown;
thrown = false;
// absence of argument throws ArgumentError (longopt)
try {
p.parse(new String[]{"--string"});
} catch (Parser.ArgumentError e) {
thrown = true;
}
Assert.assertTrue(thrown);
thrown = false;
// absence of argument throws ArgumentError (shortopt)
try {
p.parse(new String[]{"-s"});
} catch (Parser.ArgumentError e) {
thrown = true;
}
Assert.assertTrue(thrown);
t.someString = null;
// a way to specify an empty string
p.parse(new String[]{"--string="});
Assert.assertEquals("", t.someString);
}
@Test
public void test_help() {
Target t = new Target();
Parser p = new Parser(t);
String help = p.getHelp();
Assert.assertTrue(help.contains("--string"));
Assert.assertTrue(help.contains("-s"));
Assert.assertTrue(help.contains("-y"));
Assert.assertTrue(help.contains("--set"));
}
@Test
public void test_bool() {
Target t = new Target();
Parser p = new Parser(t);
p.parse(new String[]{"--set", "--reset"});
Assert.assertTrue(t.set);
Assert.assertTrue(!t.reset);
t.set = false;
t.reset = true;
p.parse(new String[]{"-y", "-n"});
Assert.assertTrue(t.set);
Assert.assertTrue(!t.reset);
t.set = false;
t.reset = true;
p.parse(new String[]{"-yn"});
Assert.assertTrue(t.set);
Assert.assertTrue(!t.reset);
}
@Test
public void test_positional() {
Target t = new Target();
Parser p = new Parser(t);
String[] rest = p.parse(new String[]{"--string=bla", "foo", "bar", "--set", "--", "--reset", "baz"});
Assert.assertArrayEquals(new String[]{"foo", "bar", "--reset", "baz"}, rest);
}
@Test
public void test_long() {
Target t = new Target();
Parser p = new Parser(t);
String[] rest;
rest = p.parse(new String[]{"-w5"});
Assert.assertEquals(5, t.intVal);
rest = p.parse(new String[]{"--value=6"});
Assert.assertEquals(6, t.intVal);
rest = p.parse(new String[]{"--value", "7"});
Assert.assertEquals(7, t.intVal);
rest = p.parse(new String[]{"--value", "-7"});
Assert.assertEquals(-7, t.intVal);
boolean thrown = false;
try {
rest = p.parse(new String[]{"--value", "x"});
} catch (Parser.ArgumentError e) {
thrown = true;
}
Assert.assertTrue(thrown);
}
}
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