summaryrefslogtreecommitdiff
path: root/3rdParty/jargs-1.0/src/test/java/jargs/gnu/test/CmdLineParserTestCase.java
blob: aa8d3d458d0c2e5e45cd84657d480481b71d61a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
package gnu.jargs.test;

import jargs.gnu.CmdLineParser;

import java.util.Enumeration;
import java.util.Locale;
import java.util.Vector;

import junit.framework.TestCase;

public class CmdLineParserTestCase extends TestCase {

	public CmdLineParserTestCase(String name) {
		super(name);
	}

	public void testStandardOptions() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
		CmdLineParser.Option size = parser.addIntegerOption('s', "size");
		CmdLineParser.Option name = parser.addStringOption('n', "name");
		CmdLineParser.Option fraction = parser.addDoubleOption('f', "fraction");
		CmdLineParser.Option missing = parser.addBooleanOption('m', "missing");
		CmdLineParser.Option careful = parser.addBooleanOption("careful");
		CmdLineParser.Option bignum = parser.addLongOption('b', "bignum");
		assertEquals(null, parser.getOptionValue(size));
		Long longValue = new Long(new Long(Integer.MAX_VALUE).longValue() + 1);
		parser.parse(new String[] { "-v", "--size=100", "-b",
				longValue.toString(), "-n", "foo", "-f", "0.1", "rest" },
				Locale.US);
		assertEquals(null, parser.getOptionValue(missing));
		assertEquals(Boolean.TRUE, parser.getOptionValue(verbose));
		assertEquals(100, ((Integer) parser.getOptionValue(size)).intValue());
		assertEquals("foo", parser.getOptionValue(name));
		assertEquals(longValue, parser.getOptionValue(bignum));
		assertEquals(0.1, ((Double) parser.getOptionValue(fraction))
				.doubleValue(), 0.1e-6);
		assertArrayEquals(new String[]{"rest"}, parser.getRemainingArgs());
	}


    public void testDefaults() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option boolean1 = parser.addBooleanOption("boolean1");
		CmdLineParser.Option boolean2 = parser.addBooleanOption("boolean2");
		CmdLineParser.Option boolean3 = parser.addBooleanOption("boolean3");
		CmdLineParser.Option boolean4 = parser.addBooleanOption("boolean4");
		CmdLineParser.Option boolean5 = parser.addBooleanOption("boolean5");

		CmdLineParser.Option int1 = parser.addIntegerOption("int1");
		CmdLineParser.Option int2 = parser.addIntegerOption("int2");
		CmdLineParser.Option int3 = parser.addIntegerOption("int3");
		CmdLineParser.Option int4 = parser.addIntegerOption("int4");

		CmdLineParser.Option string1 = parser.addStringOption("string1");
		CmdLineParser.Option string2 = parser.addStringOption("string2");
		CmdLineParser.Option string3 = parser.addStringOption("string3");
		CmdLineParser.Option string4 = parser.addStringOption("string4");

		parser.parse(new String[] {
          "--boolean1", "--boolean2",
          "--int1=42", "--int2=42",
          "--string1=Hello", "--string2=Hello",
        });

		assertEquals(Boolean.TRUE, parser.getOptionValue(boolean1));
		assertEquals(Boolean.TRUE,
                     parser.getOptionValue(boolean2, Boolean.FALSE));
		assertEquals(null, parser.getOptionValue(boolean3));
		assertEquals(Boolean.FALSE,
                     parser.getOptionValue(boolean4, Boolean.FALSE));
		assertEquals(Boolean.TRUE,
                     parser.getOptionValue(boolean5, Boolean.TRUE));

        Integer forty_two  = new Integer(42);
        Integer thirty_six = new Integer(36);

		assertEquals(forty_two,  parser.getOptionValue(int1));
		assertEquals(forty_two,  parser.getOptionValue(int2, thirty_six));
		assertEquals(null,       parser.getOptionValue(int3));
		assertEquals(thirty_six, parser.getOptionValue(int4, thirty_six));

		assertEquals("Hello",   parser.getOptionValue(string1));
		assertEquals("Hello",   parser.getOptionValue(string2, "Goodbye"));
		assertEquals(null,      parser.getOptionValue(string3));
		assertEquals("Goodbye", parser.getOptionValue(string4, "Goodbye"));
    }


	public void testMultipleUses() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
		CmdLineParser.Option foo = parser.addBooleanOption('f', "foo");
		CmdLineParser.Option bar = parser.addBooleanOption('b', "bar");

		parser.parse(new String[] {
          "--foo", "-v", "-v", "--verbose", "-v", "-b", "rest"
        });

        int verbosity = 0;
        while (true) {
            Boolean b = (Boolean)parser.getOptionValue(verbose);

            if (b == null) {
                break;
            }

            if (b == Boolean.TRUE) {
                verbosity++;
            }
            else {
                assertEquals(Boolean.FALSE, b);
                verbosity--;
            }
        }

        assertEquals(4, verbosity);
    }


	public void testCombinedFlags() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option alt = parser.addBooleanOption('a', "alt");
		CmdLineParser.Option debug = parser.addBooleanOption('d', "debug");
		CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
		parser.parse(new String[] {
          "-dv"
        });

        assertEquals(null, parser.getOptionValue(alt));
        assertEquals(Boolean.TRUE, parser.getOptionValue(debug));
        assertEquals(Boolean.TRUE, parser.getOptionValue(verbose));
    }


	public void testExplictlyTerminatedOptions() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option alt = parser.addBooleanOption('a', "alt");
		CmdLineParser.Option debug = parser.addBooleanOption('d', "debug");
		CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
		CmdLineParser.Option fraction = parser.addDoubleOption('f', "fraction");
		parser.parse(new String[] {
          "-a", "hello", "-d", "-f", "10", "--", "goodbye", "-v", "welcome",
          "-f", "-10"
        });

        assertEquals(Boolean.TRUE,   parser.getOptionValue(alt));
        assertEquals(Boolean.TRUE,   parser.getOptionValue(debug));
        assertEquals(null,           parser.getOptionValue(verbose));
        assertEquals(new Double(10), parser.getOptionValue(fraction));

		assertArrayEquals(
          new String[]{"hello", "goodbye", "-v", "welcome", "-f", "-10"},
          parser.getRemainingArgs());
    }


	public void testGetOptionValues() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
		CmdLineParser.Option foo = parser.addBooleanOption('f', "foo");
		CmdLineParser.Option bar = parser.addBooleanOption('b', "bar");

		parser.parse(new String[] {
          "--foo", "-v", "-v", "--verbose", "-v", "-b", "rest"
        });

        int verbosity = 0;
        Vector v = parser.getOptionValues(verbose);
        Enumeration e = v.elements();
        while (e.hasMoreElements()) {
            Boolean b = (Boolean)e.nextElement();

            if (b == Boolean.TRUE) {
                verbosity++;
            }
            else {
                assertEquals(Boolean.FALSE, b);
                verbosity--;
            }
        }

        assertEquals(4, verbosity);
    }


	public void testBadFormat() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option size = parser.addIntegerOption('s', "size");
		try {
			parser.parse(new String[] { "--size=blah" });
			fail("Expected IllegalOptionValueException");
		} catch (CmdLineParser.IllegalOptionValueException e) {
			// pass
		}
	}

	public void testResetBetweenParse() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option verbose = parser.addBooleanOption('v', "verbose");
		parser.parse(new String[] { "-v" });
		assertEquals(Boolean.TRUE, parser.getOptionValue(verbose));
		parser.parse(new String[] {});
		assertEquals(null, parser.getOptionValue(verbose));
	}

	public void testLocale() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option fraction = parser.addDoubleOption('f', "fraction");
		parser.parse(new String[] { "--fraction=0.2" }, Locale.US);
		assertEquals(0.2, ((Double) parser.getOptionValue(fraction))
				.doubleValue(), 0.1e-6);
		parser.parse(new String[] { "--fraction=0,2" }, Locale.GERMANY);
		assertEquals(0.2, ((Double) parser.getOptionValue(fraction))
				.doubleValue(), 0.1e-6);
	}

	public void testDetachedOption() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		CmdLineParser.Option detached = new CmdLineParser.Option.BooleanOption(
				'v', "verbose");
		assertEquals(null, parser.getOptionValue(detached));
		try {
			parser.parse(new String[] { "-v" });
			fail("UnknownOptionException expected");
		} catch (CmdLineParser.UnknownOptionException e) {
			// pass
		}
		assertEquals(null, parser.getOptionValue(detached));
	}

	public void testMissingValueForStringOption() throws Exception {
		CmdLineParser parser = new CmdLineParser();
		parser.addBooleanOption('v', "verbose");
		parser.addStringOption('c', "config");

		try {
			parser.parse(new String[] {"-v", "-c"});
			fail();
		} catch (CmdLineParser.IllegalOptionValueException e) {
		}
	}
	
	private void assertArrayEquals(Object[] expected, Object[] actual) {
		assertNotNull(actual);
		assertEquals(expected.length, actual.length);
		for (int i = 0; i < expected.length; ++i) {
			assertEquals(expected[i], actual[i]);
		}
	}

}