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12 package org.eclipse.jgit.internal.storage.file;
13
14 import static java.nio.charset.StandardCharsets.UTF_8;
15 import static org.junit.Assert.assertEquals;
16 import static org.junit.Assert.assertNotNull;
17 import static org.junit.Assert.assertNull;
18
19 import java.io.File;
20 import java.io.FileNotFoundException;
21 import java.io.FileOutputStream;
22 import java.io.IOException;
23 import java.text.SimpleDateFormat;
24 import java.util.List;
25
26 import org.eclipse.jgit.lib.CheckoutEntry;
27 import org.eclipse.jgit.lib.Constants;
28 import org.eclipse.jgit.lib.ObjectId;
29 import org.eclipse.jgit.lib.PersonIdent;
30 import org.eclipse.jgit.lib.ReflogEntry;
31 import org.eclipse.jgit.lib.ReflogReader;
32 import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
33 import org.junit.Test;
34
35 public class ReflogReaderTest extends SampleDataRepositoryTestCase {
36
37 static byte[] oneLine = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\tcommit: Add a toString for debugging to RemoteRefUpdate\n"
38 .getBytes(UTF_8);
39
40 static byte[] twoLine = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
41 + "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n")
42 .getBytes(UTF_8);
43
44 static byte[] twoLineWithAppendInProgress = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
45 + "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n"
46 + "54794942a18a237c57a80719afed44bb78172b10 ")
47 .getBytes(UTF_8);
48
49 static byte[] aLine = "1111111111111111111111111111111111111111 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to a\n"
50 .getBytes(UTF_8);
51
52 static byte[] masterLine = "2222222222222222222222222222222222222222 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to master\n"
53 .getBytes(UTF_8);
54
55 static byte[] headLine = "3333333333333333333333333333333333333333 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to HEAD\n"
56 .getBytes(UTF_8);
57
58 static byte[] oneLineWithoutComment = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\n"
59 .getBytes(UTF_8);
60
61 static byte[] switchBranch = "0d43a6890a19fd657faad1c4cfbe3cb1b47851c3 4809df9c0d8bce5b00955563f77c5a9f25aa0d12 A O Thor Too <authortoo@wri.tr> 1315088009 +0200\tcheckout: moving from new/work to master\n"
62 .getBytes(UTF_8);
63
64 @Test
65 public void testReadOneLine() throws Exception {
66 setupReflog("logs/refs/heads/master", oneLine);
67
68 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
69 ReflogEntry e = reader.getLastEntry();
70 assertEquals(ObjectId
71 .fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
72 .getOldId());
73 assertEquals(ObjectId
74 .fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
75 .getNewId());
76 assertEquals("A O Thor Too", e.getWho().getName());
77 assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
78 assertEquals(120, e.getWho().getTimeZoneOffset());
79 assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
80 assertEquals("commit: Add a toString for debugging to RemoteRefUpdate",
81 e.getComment());
82 }
83
84 private static String iso(PersonIdent id) {
85 final SimpleDateFormat fmt;
86 fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
87 fmt.setTimeZone(id.getTimeZone());
88 return fmt.format(id.getWhen());
89 }
90
91 @Test
92 public void testReadTwoLine() throws Exception {
93 setupReflog("logs/refs/heads/master", twoLine);
94
95 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
96 List<ReflogEntry> reverseEntries = reader.getReverseEntries();
97 assertEquals(2, reverseEntries.size());
98 ReflogEntry e = reverseEntries.get(0);
99 assertEquals(ObjectId
100 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
101 .getOldId());
102 assertEquals(ObjectId
103 .fromString("54794942a18a237c57a80719afed44bb78172b10"), e
104 .getNewId());
105 assertEquals("Same A U Thor", e.getWho().getName());
106 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
107 assertEquals(60, e.getWho().getTimeZoneOffset());
108 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
109 assertEquals(
110 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
111 e.getComment());
112
113 e = reverseEntries.get(1);
114 assertEquals(ObjectId
115 .fromString("0000000000000000000000000000000000000000"), e
116 .getOldId());
117 assertEquals(ObjectId
118 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
119 .getNewId());
120 assertEquals("A U Thor", e.getWho().getName());
121 assertEquals("thor@committer.au", e.getWho().getEmailAddress());
122 assertEquals(-60, e.getWho().getTimeZoneOffset());
123 assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
124 assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
125 }
126
127 @Test
128 public void testReadWhileAppendIsInProgress() throws Exception {
129 setupReflog("logs/refs/heads/master", twoLineWithAppendInProgress);
130 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
131 List<ReflogEntry> reverseEntries = reader.getReverseEntries();
132 assertEquals(2, reverseEntries.size());
133 ReflogEntry e = reverseEntries.get(0);
134 assertEquals(ObjectId
135 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
136 .getOldId());
137 assertEquals(ObjectId
138 .fromString("54794942a18a237c57a80719afed44bb78172b10"), e
139 .getNewId());
140 assertEquals("Same A U Thor", e.getWho().getName());
141 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
142 assertEquals(60, e.getWho().getTimeZoneOffset());
143 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
144 assertEquals(
145 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
146 e.getComment());
147
148
149 }
150
151
152 @Test
153 public void testReadRightLog() throws Exception {
154 setupReflog("logs/refs/heads/a", aLine);
155 setupReflog("logs/refs/heads/master", masterLine);
156 setupReflog("logs/HEAD", headLine);
157 assertEquals("branch: change to master", db.getReflogReader("master")
158 .getLastEntry().getComment());
159 assertEquals("branch: change to a", db.getReflogReader("a")
160 .getLastEntry().getComment());
161 assertEquals("branch: change to HEAD", db.getReflogReader("HEAD")
162 .getLastEntry().getComment());
163 }
164
165 @Test
166 public void testReadLineWithMissingComment() throws Exception {
167 setupReflog("logs/refs/heads/master", oneLineWithoutComment);
168 final ReflogReader reader = db.getReflogReader("master");
169 ReflogEntry e = reader.getLastEntry();
170 assertEquals(ObjectId
171 .fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
172 .getOldId());
173 assertEquals(ObjectId
174 .fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
175 .getNewId());
176 assertEquals("A O Thor Too", e.getWho().getName());
177 assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
178 assertEquals(120, e.getWho().getTimeZoneOffset());
179 assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
180 assertEquals("",
181 e.getComment());
182 }
183
184 @Test
185 public void testNoLog() throws Exception {
186 assertEquals(0, db.getReflogReader("master").getReverseEntries().size());
187 assertNull(db.getReflogReader("master").getLastEntry());
188 }
189
190 @Test
191 public void testCheckout() throws Exception {
192 setupReflog("logs/HEAD", switchBranch);
193 List<ReflogEntry> entries = db.getReflogReader(Constants.HEAD)
194 .getReverseEntries();
195 assertEquals(1, entries.size());
196 ReflogEntry entry = entries.get(0);
197 CheckoutEntry checkout = entry.parseCheckout();
198 assertNotNull(checkout);
199 assertEquals("master", checkout.getToBranch());
200 assertEquals("new/work", checkout.getFromBranch());
201 }
202
203 @Test
204 public void testSpecificEntryNumber() throws Exception {
205 setupReflog("logs/refs/heads/master", twoLine);
206
207 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
208 ReflogEntry e = reader.getReverseEntry(0);
209 assertEquals(
210 ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
211 e.getOldId());
212 assertEquals(
213 ObjectId.fromString("54794942a18a237c57a80719afed44bb78172b10"),
214 e.getNewId());
215 assertEquals("Same A U Thor", e.getWho().getName());
216 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
217 assertEquals(60, e.getWho().getTimeZoneOffset());
218 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
219 assertEquals(
220 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
221 e.getComment());
222
223 e = reader.getReverseEntry(1);
224 assertEquals(
225 ObjectId.fromString("0000000000000000000000000000000000000000"),
226 e.getOldId());
227 assertEquals(
228 ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
229 e.getNewId());
230 assertEquals("A U Thor", e.getWho().getName());
231 assertEquals("thor@committer.au", e.getWho().getEmailAddress());
232 assertEquals(-60, e.getWho().getTimeZoneOffset());
233 assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
234 assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
235
236 assertNull(reader.getReverseEntry(3));
237 }
238
239 private void setupReflog(String logName, byte[] data)
240 throws FileNotFoundException, IOException {
241 File logfile = new File(db.getDirectory(), logName);
242 if (!logfile.getParentFile().mkdirs()
243 && !logfile.getParentFile().isDirectory()) {
244 throw new IOException(
245 "oops, cannot create the directory for the test reflog file"
246 + logfile);
247 }
248 try (FileOutputStream fileOutputStream = new FileOutputStream(logfile)) {
249 fileOutputStream.write(data);
250 }
251 }
252
253 }