001 package org.apache.maven.artifact.versioning;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import java.util.Locale;
023
024 import junit.framework.TestCase;
025
026 /**
027 * Test ComparableVersion.
028 *
029 * @author <a href="mailto:hboutemy@apache.org">Hervé Boutemy</a>
030 */
031 @SuppressWarnings( "unchecked" )
032 public class ComparableVersionTest
033 extends TestCase
034 {
035 private Comparable newComparable( String version )
036 {
037 return new ComparableVersion( version );
038 }
039
040 private static final String[] VERSIONS_QUALIFIER =
041 { "1-alpha2snapshot", "1-alpha2", "1-alpha-123", "1-beta-2", "1-beta123", "1-m2", "1-m11", "1-rc", "1-cr2",
042 "1-rc123", "1-SNAPSHOT", "1", "1-sp", "1-sp2", "1-sp123", "1-abc", "1-def", "1-pom-1", "1-1-snapshot",
043 "1-1", "1-2", "1-123" };
044
045 private static final String[] VERSIONS_NUMBER =
046 { "2.0", "2-1", "2.0.a", "2.0.0.a", "2.0.2", "2.0.123", "2.1.0", "2.1-a", "2.1b", "2.1-c", "2.1-1", "2.1.0.1",
047 "2.2", "2.123", "11.a2", "11.a11", "11.b2", "11.b11", "11.m2", "11.m11", "11", "11.a", "11b", "11c", "11m" };
048
049 private void checkVersionsOrder( String[] versions )
050 {
051 Comparable[] c = new Comparable[versions.length];
052 for ( int i = 0; i < versions.length; i++ )
053 {
054 c[i] = newComparable( versions[i] );
055 }
056
057 for ( int i = 1; i < versions.length; i++ )
058 {
059 Comparable low = c[i - 1];
060 for ( int j = i; j < versions.length; j++ )
061 {
062 Comparable high = c[j];
063 assertTrue( "expected " + low + " < " + high, low.compareTo( high ) < 0 );
064 assertTrue( "expected " + high + " > " + low, high.compareTo( low ) > 0 );
065 }
066 }
067 }
068
069 private void checkVersionsEqual( String v1, String v2 )
070 {
071 Comparable c1 = newComparable( v1 );
072 Comparable c2 = newComparable( v2 );
073 assertTrue( "expected " + v1 + " == " + v2, c1.compareTo( c2 ) == 0 );
074 assertTrue( "expected " + v2 + " == " + v1, c2.compareTo( c1 ) == 0 );
075 assertTrue( "expected same hashcode for " + v1 + " and " + v2, c1.hashCode() == c2.hashCode() );
076 assertTrue( "expected " + v1 + ".equals( " + v2 + " )", c1.equals( c2 ) );
077 assertTrue( "expected " + v2 + ".equals( " + v1 + " )", c2.equals( c1 ) );
078 }
079
080 private void checkVersionsOrder( String v1, String v2 )
081 {
082 Comparable c1 = newComparable( v1 );
083 Comparable c2 = newComparable( v2 );
084 assertTrue( "expected " + v1 + " < " + v2, c1.compareTo( c2 ) < 0 );
085 assertTrue( "expected " + v2 + " > " + v1, c2.compareTo( c1 ) > 0 );
086 }
087
088 public void testVersionsQualifier()
089 {
090 checkVersionsOrder( VERSIONS_QUALIFIER );
091 }
092
093 public void testVersionsNumber()
094 {
095 checkVersionsOrder( VERSIONS_NUMBER );
096 }
097
098 public void testVersionsEqual()
099 {
100 checkVersionsEqual( "1", "1" );
101 checkVersionsEqual( "1", "1.0" );
102 checkVersionsEqual( "1", "1.0.0" );
103 checkVersionsEqual( "1.0", "1.0.0" );
104 checkVersionsEqual( "1", "1-0" );
105 checkVersionsEqual( "1", "1.0-0" );
106 checkVersionsEqual( "1.0", "1.0-0" );
107 // no separator between number and character
108 checkVersionsEqual( "1a", "1.a" );
109 checkVersionsEqual( "1a", "1-a" );
110 checkVersionsEqual( "1a", "1.0-a" );
111 checkVersionsEqual( "1a", "1.0.0-a" );
112 checkVersionsEqual( "1.0a", "1.0.a" );
113 checkVersionsEqual( "1.0.0a", "1.0.0.a" );
114 checkVersionsEqual( "1x", "1.x" );
115 checkVersionsEqual( "1x", "1-x" );
116 checkVersionsEqual( "1x", "1.0-x" );
117 checkVersionsEqual( "1x", "1.0.0-x" );
118 checkVersionsEqual( "1.0x", "1.0.x" );
119 checkVersionsEqual( "1.0.0x", "1.0.0.x" );
120
121 // aliases
122 checkVersionsEqual( "1ga", "1" );
123 checkVersionsEqual( "1final", "1" );
124 checkVersionsEqual( "1cr", "1rc" );
125
126 // special "aliases" a, b and m for alpha, beta and milestone
127 checkVersionsEqual( "1a1", "1alpha1" );
128 checkVersionsEqual( "1b2", "1beta2" );
129 checkVersionsEqual( "1m3", "1milestone3" );
130
131 // case insensitive
132 checkVersionsEqual( "1X", "1x" );
133 checkVersionsEqual( "1A", "1a" );
134 checkVersionsEqual( "1B", "1b" );
135 checkVersionsEqual( "1M", "1m" );
136 checkVersionsEqual( "1Ga", "1" );
137 checkVersionsEqual( "1GA", "1" );
138 checkVersionsEqual( "1Final", "1" );
139 checkVersionsEqual( "1FinaL", "1" );
140 checkVersionsEqual( "1FINAL", "1" );
141 checkVersionsEqual( "1Cr", "1Rc" );
142 checkVersionsEqual( "1cR", "1rC" );
143 checkVersionsEqual( "1m3", "1Milestone3" );
144 checkVersionsEqual( "1m3", "1MileStone3" );
145 checkVersionsEqual( "1m3", "1MILESTONE3" );
146 }
147
148 public void testVersionComparing()
149 {
150 checkVersionsOrder( "1", "2" );
151 checkVersionsOrder( "1.5", "2" );
152 checkVersionsOrder( "1", "2.5" );
153 checkVersionsOrder( "1.0", "1.1" );
154 checkVersionsOrder( "1.1", "1.2" );
155 checkVersionsOrder( "1.0.0", "1.1" );
156 checkVersionsOrder( "1.0.1", "1.1" );
157 checkVersionsOrder( "1.1", "1.2.0" );
158
159 checkVersionsOrder( "1.0-alpha-1", "1.0" );
160 checkVersionsOrder( "1.0-alpha-1", "1.0-alpha-2" );
161 checkVersionsOrder( "1.0-alpha-1", "1.0-beta-1" );
162
163 checkVersionsOrder( "1.0-beta-1", "1.0-SNAPSHOT" );
164 checkVersionsOrder( "1.0-SNAPSHOT", "1.0" );
165 checkVersionsOrder( "1.0-alpha-1-SNAPSHOT", "1.0-alpha-1" );
166
167 checkVersionsOrder( "1.0", "1.0-1" );
168 checkVersionsOrder( "1.0-1", "1.0-2" );
169 checkVersionsOrder( "1.0.0", "1.0-1" );
170
171 checkVersionsOrder( "2.0-1", "2.0.1" );
172 checkVersionsOrder( "2.0.1-klm", "2.0.1-lmn" );
173 checkVersionsOrder( "2.0.1", "2.0.1-xyz" );
174
175 checkVersionsOrder( "2.0.1", "2.0.1-123" );
176 checkVersionsOrder( "2.0.1-xyz", "2.0.1-123" );
177 }
178
179 public void testLocaleIndependent()
180 {
181 Locale orig = Locale.getDefault();
182 Locale[] locales = { Locale.ENGLISH, new Locale( "tr" ), Locale.getDefault() };
183 try
184 {
185 for ( Locale locale : locales )
186 {
187 Locale.setDefault( locale );
188 checkVersionsEqual( "1-abcdefghijklmnopqrstuvwxyz", "1-ABCDEFGHIJKLMNOPQRSTUVWXYZ" );
189 }
190 }
191 finally
192 {
193 Locale.setDefault( orig );
194 }
195 }
196
197 public void testReuse()
198 {
199 ComparableVersion c1 = new ComparableVersion( "1" );
200 c1.parseVersion( "2" );
201
202 Comparable c2 = newComparable( "2" );
203
204 assertEquals( "reused instance should be equivalent to new instance", c1, c2 );
205 }
206 }