01: /*
02: * Copyright (c) 2001-2007, Jean Tessier
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: *
09: * * Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: *
12: * * Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * * Neither the name of Jean Tessier nor the names of his contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: package com.jeantessier.commandline;
34:
35: import java.io.*;
36:
37: import junit.framework.*;
38:
39: public class TestCommandLineUsage extends TestCase {
40: public void testToggleSwitch() throws CommandLineException,
41: IOException {
42: CommandLine commandLine = new CommandLine(
43: new NullParameterStrategy());
44: commandLine.addToggleSwitch("switch");
45:
46: CommandLineUsage commandLineUsage = new CommandLineUsage(
47: getName());
48: commandLine.accept(commandLineUsage);
49:
50: BufferedReader in = new BufferedReader(new StringReader(
51: commandLineUsage.toString()));
52: int i = 1;
53: assertEquals("line " + i++, "USAGE:", in.readLine());
54: assertEquals("line " + i++, " " + getName(), in.readLine());
55: assertEquals("line " + i++,
56: " [-switch] (defaults to false)", in.readLine());
57: assertEquals("line " + i++, null, in.readLine());
58: }
59:
60: public void testAliasSwitch() throws CommandLineException,
61: IOException {
62: CommandLine commandLine = new CommandLine(
63: new NullParameterStrategy());
64: commandLine.addToggleSwitch("toggle1");
65: commandLine.addToggleSwitch("toggle2");
66: commandLine.addAliasSwitch("alias", "toggle1", "toggle2");
67:
68: CommandLineUsage commandLineUsage = new CommandLineUsage(
69: getName());
70: commandLine.accept(commandLineUsage);
71:
72: BufferedReader in = new BufferedReader(new StringReader(
73: commandLineUsage.toString()));
74: int i = 1;
75: assertEquals("line " + i++, "USAGE:", in.readLine());
76: assertEquals("line " + i++, " " + getName(), in.readLine());
77: assertEquals("line " + i++, " [-alias]", in.readLine());
78: assertEquals("line " + i++,
79: " [-toggle1] (defaults to false)", in.readLine());
80: assertEquals("line " + i++,
81: " [-toggle2] (defaults to false)", in.readLine());
82: assertEquals("line " + i++, "", in.readLine());
83: assertEquals("line " + i++,
84: "-alias is shorthand for the combination:", in
85: .readLine());
86: assertEquals("line " + i++, " -toggle1", in.readLine());
87: assertEquals("line " + i++, " -toggle2", in.readLine());
88: assertEquals("line " + i++, null, in.readLine());
89: }
90: }
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