1 package org.eclipse.aether.util;
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22 import static org.eclipse.aether.internal.test.util.TestFileUtils.*;
23 import static org.junit.Assert.*;
24
25 import java.io.File;
26 import java.io.IOException;
27 import java.nio.charset.StandardCharsets;
28 import java.util.Arrays;
29 import java.util.HashMap;
30 import java.util.Map;
31 import java.util.Map.Entry;
32
33 import org.eclipse.aether.util.ChecksumUtils;
34 import org.junit.Before;
35 import org.junit.BeforeClass;
36 import org.junit.Test;
37
38 public class ChecksumUtilTest
39 {
40 private static final String EMPTY = "EMPTY";
41 private static final String PATTERN = "PATTERN";
42 private static final String TEXT = "TEXT";
43
44 private Map<String, File> files = new HashMap<>(3);
45
46 private Map<String, byte[]> bytes = new HashMap<>(3);
47
48 private static Map<String, String> emptyChecksums = new HashMap<>();
49
50 private static Map<String, String> patternChecksums = new HashMap<>();
51
52 private static Map<String, String> textChecksums = new HashMap<>();
53
54 private Map<String, Map<String, String>> sums = new HashMap<>();
55
56 @BeforeClass
57 public static void beforeClass()
58 {
59 emptyChecksums.put( "MD5", "d41d8cd98f00b204e9800998ecf8427e" );
60 emptyChecksums.put( "SHA-1", "da39a3ee5e6b4b0d3255bfef95601890afd80709" );
61 emptyChecksums.put( "SHA-256", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" );
62 emptyChecksums.put( "SHA-512", "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e" );
63 patternChecksums.put( "MD5", "14f01d6c7de7d4cf0a4887baa3528b5a" );
64 patternChecksums.put( "SHA-1", "feeeda19f626f9b0ef6cbf5948c1ec9531694295" );
65 patternChecksums.put( "SHA-256", "81d480a714840ab206dc8de62ca6119036f65499ad9e2e227c2465551bed684d" );
66 patternChecksums.put( "SHA-512", "931aa34118d9a85b9514e0224046d736a5bd7e2b2f366505fe1ad07ed85e1a4ac0cbc18e9b9a7fe36ce835be2a18cb571202a4975d182553faff336970eb0b7e" );
67 textChecksums.put( "MD5", "12582d1a662cefe3385f2113998e43ed" );
68 textChecksums.put( "SHA-1", "a8ae272db549850eef2ff54376f8cac2770745ee" );
69 textChecksums.put( "SHA-256", "35829adced2979761ba521dc2bb7d166e92ebed7342319d041398e509d481a46" );
70 textChecksums.put( "SHA-512", "2d6d19570b26080fa88101af2256ce3dae63512b06864cd36a05371c81d6dbd0ec226dd75f22e8d46a9582e1fc40ee6e7a02d43c852f3c92255982b835db6e7c" );
71 }
72
73 @Before
74 public void before()
75 throws IOException
76 {
77 sums.clear();
78
79 byte[] emptyBytes = new byte[0];
80 bytes.put( EMPTY, emptyBytes );
81 files.put( EMPTY, createTempFile( emptyBytes, 0 ) );
82 sums.put( EMPTY, emptyChecksums );
83
84 byte[] patternBytes = writeBytes( new byte[] { 0, 1, 2, 4, 8, 16, 32, 64, 127, -1, -2, -4, -8, -16, -32, -64, -127 }, 1000 );
85 bytes.put( PATTERN, patternBytes );
86 files.put( PATTERN, createTempFile( patternBytes, 1 ) );
87 sums.put( PATTERN, patternChecksums );
88
89 byte[] textBytes = writeBytes( "the quick brown fox jumps over the lazy dog\n".getBytes( StandardCharsets.UTF_8 ), 500 );
90 bytes.put( TEXT, textBytes );
91 files.put( TEXT, createTempFile( textBytes, 1 ) );
92 sums.put( TEXT, textChecksums );
93
94 }
95
96 @Test
97 public void testEquality()
98 throws Throwable
99 {
100 Map<String, Object> checksums = null;
101
102 for ( Map.Entry<String,File> fileEntry : files.entrySet() )
103 {
104
105 checksums = ChecksumUtils.calc( fileEntry.getValue(), Arrays.asList( "SHA-512", "SHA-256", "SHA-1", "MD5" ) );
106
107 for ( Entry<String, Object> entry : checksums.entrySet() )
108 {
109 if ( entry.getValue() instanceof Throwable )
110 {
111 throw (Throwable) entry.getValue();
112 }
113 String actual = entry.getValue().toString();
114 String expected = sums.get( fileEntry.getKey() ).get( entry.getKey() );
115 assertEquals( String.format( "checksums do not match for '%s', algorithm '%s'", fileEntry.getValue().getName(),
116 entry.getKey() ), expected, actual );
117 }
118 assertTrue( "Could not delete file", fileEntry.getValue().delete() );
119 }
120 }
121
122 @Test
123 public void testFileHandleLeakage()
124 throws IOException
125 {
126 for ( File file : files.values() )
127 {
128 for ( int i = 0; i < 150; i++ )
129 {
130 ChecksumUtils.calc( file, Arrays.asList( "SHA-512", "SHA-256", "SHA-1", "MD5" ) );
131 }
132 assertTrue( "Could not delete file", file.delete() );
133 }
134
135 }
136
137 @Test
138 public void testRead()
139 throws IOException
140 {
141 for ( Map<String, String> checksums : sums.values() )
142 {
143 String sha512 = checksums.get( "SHA-512" );
144 String sha256 = checksums.get( "SHA-256" );
145 String sha1 = checksums.get( "SHA-1" );
146 String md5 = checksums.get( "MD5" );
147
148 File sha512File = createTempFile( sha512 );
149 File sha256File = createTempFile( sha256 );
150 File sha1File = createTempFile( sha1 );
151 File md5File = createTempFile( md5 );
152
153 assertEquals( sha512, ChecksumUtils.read( sha512File ) );
154 assertEquals( sha256, ChecksumUtils.read( sha256File ) );
155 assertEquals( sha1, ChecksumUtils.read( sha1File ) );
156 assertEquals( md5, ChecksumUtils.read( md5File ) );
157
158 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.sha512)", sha512File.delete() );
159 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.sha256)", sha256File.delete() );
160 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.sha1)", sha1File.delete() );
161 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.md5)", md5File.delete() );
162 }
163 }
164
165 @Test
166 public void testReadSpaces()
167 throws IOException
168 {
169 for ( Map<String, String> checksums : sums.values() )
170 {
171 String sha512 = checksums.get( "SHA-512" );
172 String sha256 = checksums.get( "SHA-256" );
173 String sha1 = checksums.get( "SHA-1" );
174 String md5 = checksums.get( "MD5" );
175
176 File sha512File = createTempFile( "sha512-checksum = " + sha512 );
177 File sha256File = createTempFile( "sha256-checksum = " + sha256 );
178 File sha1File = createTempFile( "sha1-checksum = " + sha1 );
179 File md5File = createTempFile( md5 + " test" );
180
181 assertEquals( sha512, ChecksumUtils.read( sha512File ) );
182 assertEquals( sha256, ChecksumUtils.read( sha256File ) );
183 assertEquals( sha1, ChecksumUtils.read( sha1File ) );
184 assertEquals( md5, ChecksumUtils.read( md5File ) );
185
186 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.sha512)", sha512File.delete() );
187 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.sha256)", sha256File.delete() );
188 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.sha1)", sha1File.delete() );
189 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksums.md5)", md5File.delete() );
190 }
191 }
192
193 @Test
194 public void testReadEmptyFile()
195 throws IOException
196 {
197 File file = createTempFile( "" );
198
199 assertEquals( "", ChecksumUtils.read( file ) );
200
201 assertTrue( "ChecksumUtils leaks file handles (cannot delete checksum.empty)", file.delete() );
202 }
203
204 @Test
205 public void testToHexString()
206 {
207 assertNull( ChecksumUtils.toHexString( null ) );
208 assertEquals( "", ChecksumUtils.toHexString( new byte[] {} ) );
209 assertEquals( "00", ChecksumUtils.toHexString( new byte[] { 0 } ) );
210 assertEquals( "ff", ChecksumUtils.toHexString( new byte[] { -1 } ) );
211 assertEquals( "00017f", ChecksumUtils.toHexString( new byte[] { 0, 1, 127 } ) );
212 }
213
214 @Test
215 public void testCalcWithByteArray() throws Throwable
216 {
217 Map<String, Object> checksums = null;
218
219 for ( Map.Entry<String, byte[]> bytesEntry : bytes.entrySet() )
220 {
221 checksums = ChecksumUtils.calc( bytesEntry.getValue(), Arrays.asList( "SHA-512", "SHA-256", "SHA-1", "MD5" ) );
222
223 for ( Entry<String, Object> entry : checksums.entrySet() )
224 {
225 if ( entry.getValue() instanceof Throwable )
226 {
227 throw (Throwable) entry.getValue();
228 }
229 String actual = entry.getValue().toString();
230 String expected = sums.get( bytesEntry.getKey() ).get( entry.getKey() );
231 assertEquals( String.format( "checksums do not match for '%s', algorithm '%s'", bytesEntry.getKey(),
232 entry.getKey() ), expected, actual );
233 }
234 }
235 }
236
237 private byte[] writeBytes( byte[] pattern, int repeat )
238 {
239 byte[] result = new byte[pattern.length * repeat];
240 for ( int i = 0; i < repeat; i++ )
241 {
242 System.arraycopy( pattern, 0, result, i * pattern.length, pattern.length );
243 }
244 return result;
245 }
246 }
247