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1 package org.apache.commons.configuration;
2
3
18
19 import junit.framework.TestCase;
20
21
26 public class TestConfigurationKey extends TestCase
27 {
28 private static final String  TESTPROPS = "tables.table(0).fields.field(1)";
29
30 private static final String TESTATTR = "[@dataType]";
31
32 private static final String TESTKEY = TESTPROPS + TESTATTR;
33
34 public void testAppend()
35 {
36 ConfigurationKey key = new ConfigurationKey();
37 key.append("tables").append("table.").appendIndex(0);
38 key.append("fields.").append("field").appendIndex(1);
39 key.appendAttribute("dataType");
40 assertEquals(TESTKEY, key.toString());
41 }
42
43 public void testIterate()
44 {
45 ConfigurationKey key = new ConfigurationKey(TESTKEY);
46 ConfigurationKey.KeyIterator it = key.iterator();
47 assertTrue(it.hasNext());
48 assertEquals("tables", it.nextKey());
49 assertEquals("table", it.nextKey());
50 assertTrue(it.hasIndex());
51 assertEquals(0, it.getIndex());
52 assertEquals("fields", it.nextKey());
53 assertFalse(it.hasIndex());
54 assertEquals("field", it.nextKey(true));
55 assertEquals(1, it.getIndex());
56 assertFalse(it.isAttribute());
57 assertEquals("field", it.currentKey(true));
58 assertEquals("dataType", it.nextKey());
59 assertEquals("[@dataType]", it.currentKey(true));
60 assertTrue(it.isAttribute());
61 assertFalse(it.hasNext());
62
63 key = new ConfigurationKey();
64 assertFalse(key.iterator().hasNext());
65 key.append("simple");
66 it = key.iterator();
67 assertTrue(it.hasNext());
68 assertEquals("simple", it.next());
69 }
70
71 public void testAttribute()
72 {
73 assertTrue(ConfigurationKey.isAttributeKey(TESTATTR));
74 assertFalse(ConfigurationKey.isAttributeKey(TESTPROPS));
75 assertFalse(ConfigurationKey.isAttributeKey(TESTKEY));
76
77 ConfigurationKey key = new ConfigurationKey(TESTPROPS);
78 key.append(TESTATTR);
79 assertEquals(TESTKEY, key.toString());
80 }
81
82 public void testLength()
83 {
84 ConfigurationKey key = new ConfigurationKey(TESTPROPS);
85 assertEquals(TESTPROPS.length(), key.length());
86 key.appendAttribute("dataType");
87 assertEquals(TESTKEY.length(), key.length());
88 key.setLength(TESTPROPS.length());
89 assertEquals(TESTPROPS.length(), key.length());
90 assertEquals(TESTPROPS, key.toString());
91 }
92
93 public void testConstructAttributeKey()
94 {
95 assertEquals("[@attribute]", ConfigurationKey.constructAttributeKey("attribute"));
96 assertEquals("attribute", ConfigurationKey.attributeName("[@attribute]"));
97 assertEquals("attribute", ConfigurationKey.attributeName("attribute"));
98 }
99
100 public void testEquals()
101 {
102 ConfigurationKey k1 = new ConfigurationKey(TESTKEY);
103 ConfigurationKey k2 = new ConfigurationKey(TESTKEY);
104 assertTrue(k1.equals(k2));
105 assertTrue(k2.equals(k1));
106 k2.append("anotherPart");
107 assertFalse(k1.equals(k2));
108 assertFalse(k2.equals(k1));
109 assertFalse(k1.equals(null));
110 assertTrue(k1.equals(TESTKEY));
111 }
112
113 public void testCommonKey()
114 {
115 ConfigurationKey k1 = new ConfigurationKey(TESTKEY);
116 ConfigurationKey k2 = new ConfigurationKey("tables.table(0).name");
117 ConfigurationKey kc = k1.commonKey(k2);
118 assertEquals(new ConfigurationKey("tables.table(0)"), kc);
119 assertEquals(kc, k2.commonKey(k1));
120
121 k2 = new ConfigurationKey("tables.table(1).fields.field(1)");
122 kc = k1.commonKey(k2);
123 assertEquals(new ConfigurationKey("tables"), kc);
124
125 k2 = new ConfigurationKey("completely.different.key");
126 kc = k1.commonKey(k2);
127 assertEquals(0, kc.length());
128
129 k2 = new ConfigurationKey();
130 kc = k1.commonKey(k2);
131 assertEquals(0, kc.length());
132
133 kc = k1.commonKey(k1);
134 assertEquals(kc, k1);
135 }
136
137 public void testDifferenceKey()
138 {
139 ConfigurationKey k1 = new ConfigurationKey(TESTKEY);
140 ConfigurationKey kd = k1.differenceKey(k1);
141 assertEquals(0, kd.length());
142
143 ConfigurationKey k2 = new ConfigurationKey("tables.table(0).name");
144 kd = k1.differenceKey(k2);
145 assertEquals("name", kd.toString());
146
147 k2 = new ConfigurationKey("tables.table(1).fields.field(1)");
148 kd = k1.differenceKey(k2);
149 assertEquals("table(1).fields.field(1)", kd.toString());
150
151 k2 = new ConfigurationKey("completely.different.key");
152 kd = k1.differenceKey(k2);
153 assertEquals(k2, kd);
154 }
155 }
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