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16
17 package org.apache.commons.configuration;
18
19 import java.io.File  ;
20 import java.util.ArrayList ;
21 import java.util.HashSet ;
22 import java.util.Iterator ;
23 import java.util.List ;
24 import java.util.NoSuchElementException ;
25 import java.util.Set ;
26
27 import junit.framework.TestCase;
28
29
35 public class TestSubsetConfiguration extends TestCase
36 {
37 static final String TEST_DIR = "conf";
38 static final String TEST_FILE = "testDigesterConfiguration2.xml";
39
40 public void testGetProperty()
41 {
42 Configuration conf = new BaseConfiguration();
43 conf.setProperty("test.key1", "value1");
44 conf.setProperty("testing.key2", "value1");
45
46 Configuration subset = new SubsetConfiguration(conf, "test", ".");
47 assertFalse("the subset is empty", subset.isEmpty());
48 assertTrue("'key1' not found in the subset", subset.containsKey("key1"));
49 assertFalse("'ng.key2' found in the subset", subset.containsKey("ng.key2"));
50 }
51
52 public void testSetProperty()
53 {
54 Configuration conf = new BaseConfiguration();
55 Configuration subset = new SubsetConfiguration(conf, "test", ".");
56
57 subset.setProperty("key1", "value1");
59 assertEquals("key1 in the subset configuration", "value1", subset.getProperty("key1"));
60 assertEquals("test.key1 in the parent configuration", "value1", conf.getProperty("test.key1"));
61
62 conf.setProperty("test.key2", "value2");
64 assertEquals("test.key2 in the parent configuration", "value2", conf.getProperty("test.key2"));
65 assertEquals("key2 in the subset configuration", "value2", subset.getProperty("key2"));
66 }
67
68 public void testGetParentKey()
69 {
70 SubsetConfiguration subset = new SubsetConfiguration(null, "prefix", ".");
72 assertEquals("parent key for \"key\"", "prefix.key", subset.getParentKey("key"));
73 assertEquals("parent key for \"\"", "prefix", subset.getParentKey(""));
74
75 subset = new SubsetConfiguration(null, "prefix", null);
77 assertEquals("parent key for \"key\"", "prefixkey", subset.getParentKey("key"));
78 assertEquals("parent key for \"\"", "prefix", subset.getParentKey(""));
79 }
80
81 public void testGetChildKey()
82 {
83 SubsetConfiguration subset = new SubsetConfiguration(null, "prefix", ".");
85 assertEquals("parent key for \"prefixkey\"", "key", subset.getChildKey("prefix.key"));
86 assertEquals("parent key for \"prefix\"", "", subset.getChildKey("prefix"));
87
88 subset = new SubsetConfiguration(null, "prefix", null);
90 assertEquals("parent key for \"prefixkey\"", "key", subset.getChildKey("prefixkey"));
91 assertEquals("parent key for \"prefix\"", "", subset.getChildKey("prefix"));
92 }
93
94 public void testGetKeys()
95 {
96 Configuration conf = new BaseConfiguration();
97 conf.setProperty("test", "value0");
98 conf.setProperty("test.key1", "value1");
99 conf.setProperty("testing.key2", "value1");
100
101 Configuration subset = new SubsetConfiguration(conf, "test", ".");
102
103 Iterator it = subset.getKeys();
104 assertEquals("1st key", "", it.next());
105 assertEquals("2nd key", "key1", it.next());
106 assertFalse("too many elements", it.hasNext());
107 }
108
109 public void testGetKeysWithPrefix()
110 {
111 Configuration conf = new BaseConfiguration();
112 conf.setProperty("test.abc", "value0");
113 conf.setProperty("test.abc.key1", "value1");
114 conf.setProperty("test.abcdef.key2", "value1");
115
116 Configuration subset = new SubsetConfiguration(conf, "test", ".");
117
118 Iterator it = subset.getKeys("abc");
119 assertEquals("1st key", "abc", it.next());
120 assertEquals("2nd key", "abc.key1", it.next());
121 assertFalse("too many elements", it.hasNext());
122 }
123
124 public void testGetList()
125 {
126 Configuration conf = new BaseConfiguration();
127 conf.setProperty("test.abc", "value0,value1");
128 conf.addProperty("test.abc", "value3");
129
130 Configuration subset = new SubsetConfiguration(conf, "test", ".");
131 List list = subset.getList("abc", new ArrayList ());
132 assertEquals(3, list.size());
133 }
134
135 public void testGetParent()
136 {
137 Configuration conf = new BaseConfiguration();
138 SubsetConfiguration subset = new SubsetConfiguration(conf, "prefix", ".");
139
140 assertEquals("parent", conf, subset.getParent());
141 }
142
143 public void testGetPrefix()
144 {
145 Configuration conf = new BaseConfiguration();
146 SubsetConfiguration subset = new SubsetConfiguration(conf, "prefix", ".");
147
148 assertEquals("prefix", "prefix", subset.getPrefix());
149 }
150
151 public void testSetPrefix()
152 {
153 Configuration conf = new BaseConfiguration();
154 SubsetConfiguration subset = new SubsetConfiguration(conf, null, ".");
155 subset.setPrefix("prefix");
156
157 assertEquals("prefix", "prefix", subset.getPrefix());
158 }
159
160 public void testThrowtExceptionOnMissing()
161 {
162 BaseConfiguration config = new BaseConfiguration();
163 config.setThrowExceptionOnMissing(true);
164
165 SubsetConfiguration subset = new SubsetConfiguration(config, "prefix");
166
167 try
168 {
169 subset.getString("foo");
170 fail("NoSuchElementException expected");
171 }
172 catch (NoSuchElementException e)
173 {
174 }
176
177 config.setThrowExceptionOnMissing(false);
178 assertNull(subset.getString("foo"));
179
180
181 subset.setThrowExceptionOnMissing(true);
182 try
183 {
184 config.getString("foo");
185 fail("NoSuchElementException expected");
186 }
187 catch (NoSuchElementException e)
188 {
189 }
191 }
192
193 public void testNested() throws Exception
194 {
195 ConfigurationFactory factory = new ConfigurationFactory();
196 File src = new File (new File (TEST_DIR), TEST_FILE);
197 factory.setConfigurationURL(src.toURL());
198 Configuration config = factory.getConfiguration();
199 Configuration subConf = config.subset("tables.table(0)");
200 assertTrue(subConf.getKeys().hasNext());
201 Configuration subSubConf = subConf.subset("fields.field(1)");
202 Iterator itKeys = subSubConf.getKeys();
203 Set keys = new HashSet ();
204 keys.add("name");
205 keys.add("type");
206 while(itKeys.hasNext())
207 {
208 String k = (String ) itKeys.next();
209 assertTrue(keys.contains(k));
210 keys.remove(k);
211 }
212 assertTrue(keys.isEmpty());
213 }
214
215 public void testClear()
216 {
217 Configuration config = new BaseConfiguration();
218 config.setProperty("test.key1", "value1");
219 config.setProperty("testing.key2", "value1");
220
221 Configuration subset = config.subset("test");
222 subset.clear();
223
224 assertTrue("the subset is not empty", subset.isEmpty());
225 assertFalse("the parent configuration is empty", config.isEmpty());
226 }
227 }
228 |
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