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45 package org.eclipse.jgit.internal.storage.file;
46
47 import static org.junit.Assert.assertEquals;
48 import static org.junit.Assert.assertNotNull;
49 import static org.junit.Assert.assertNull;
50
51 import java.io.File;
52 import java.io.FileNotFoundException;
53 import java.io.FileOutputStream;
54 import java.io.IOException;
55 import java.text.SimpleDateFormat;
56 import java.util.List;
57
58 import org.eclipse.jgit.lib.CheckoutEntry;
59 import org.eclipse.jgit.lib.Constants;
60 import org.eclipse.jgit.lib.ObjectId;
61 import org.eclipse.jgit.lib.PersonIdent;
62 import org.eclipse.jgit.lib.ReflogEntry;
63 import org.eclipse.jgit.lib.ReflogReader;
64 import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
65 import org.junit.Test;
66
67 public class ReflogReaderTest extends SampleDataRepositoryTestCase {
68
69 static byte[] oneLine = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\tcommit: Add a toString for debugging to RemoteRefUpdate\n"
70 .getBytes();
71
72 static byte[] twoLine = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
73 + "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n")
74 .getBytes();
75
76 static byte[] twoLineWithAppendInProgress = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
77 + "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n"
78 + "54794942a18a237c57a80719afed44bb78172b10 ")
79 .getBytes();
80
81 static byte[] aLine = "1111111111111111111111111111111111111111 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to a\n"
82 .getBytes();
83
84 static byte[] masterLine = "2222222222222222222222222222222222222222 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to master\n"
85 .getBytes();
86
87 static byte[] headLine = "3333333333333333333333333333333333333333 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to HEAD\n"
88 .getBytes();
89
90 static byte[] oneLineWithoutComment = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\n"
91 .getBytes();
92
93 static byte[] switchBranch = "0d43a6890a19fd657faad1c4cfbe3cb1b47851c3 4809df9c0d8bce5b00955563f77c5a9f25aa0d12 A O Thor Too <authortoo@wri.tr> 1315088009 +0200\tcheckout: moving from new/work to master\n"
94 .getBytes();
95
96 @Test
97 public void testReadOneLine() throws Exception {
98 setupReflog("logs/refs/heads/master", oneLine);
99
100 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
101 ReflogEntry e = reader.getLastEntry();
102 assertEquals(ObjectId
103 .fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
104 .getOldId());
105 assertEquals(ObjectId
106 .fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
107 .getNewId());
108 assertEquals("A O Thor Too", e.getWho().getName());
109 assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
110 assertEquals(120, e.getWho().getTimeZoneOffset());
111 assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
112 assertEquals("commit: Add a toString for debugging to RemoteRefUpdate",
113 e.getComment());
114 }
115
116 private static String iso(PersonIdent id) {
117 final SimpleDateFormat fmt;
118 fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
119 fmt.setTimeZone(id.getTimeZone());
120 return fmt.format(id.getWhen());
121 }
122
123 @Test
124 public void testReadTwoLine() throws Exception {
125 setupReflog("logs/refs/heads/master", twoLine);
126
127 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
128 List<ReflogEntry> reverseEntries = reader.getReverseEntries();
129 assertEquals(2, reverseEntries.size());
130 ReflogEntry e = reverseEntries.get(0);
131 assertEquals(ObjectId
132 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
133 .getOldId());
134 assertEquals(ObjectId
135 .fromString("54794942a18a237c57a80719afed44bb78172b10"), e
136 .getNewId());
137 assertEquals("Same A U Thor", e.getWho().getName());
138 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
139 assertEquals(60, e.getWho().getTimeZoneOffset());
140 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
141 assertEquals(
142 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
143 e.getComment());
144
145 e = reverseEntries.get(1);
146 assertEquals(ObjectId
147 .fromString("0000000000000000000000000000000000000000"), e
148 .getOldId());
149 assertEquals(ObjectId
150 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
151 .getNewId());
152 assertEquals("A U Thor", e.getWho().getName());
153 assertEquals("thor@committer.au", e.getWho().getEmailAddress());
154 assertEquals(-60, e.getWho().getTimeZoneOffset());
155 assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
156 assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
157 }
158
159 @Test
160 public void testReadWhileAppendIsInProgress() throws Exception {
161 setupReflog("logs/refs/heads/master", twoLineWithAppendInProgress);
162 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
163 List<ReflogEntry> reverseEntries = reader.getReverseEntries();
164 assertEquals(2, reverseEntries.size());
165 ReflogEntry e = reverseEntries.get(0);
166 assertEquals(ObjectId
167 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
168 .getOldId());
169 assertEquals(ObjectId
170 .fromString("54794942a18a237c57a80719afed44bb78172b10"), e
171 .getNewId());
172 assertEquals("Same A U Thor", e.getWho().getName());
173 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
174 assertEquals(60, e.getWho().getTimeZoneOffset());
175 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
176 assertEquals(
177 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
178 e.getComment());
179
180
181 }
182
183
184 @Test
185 public void testReadRightLog() throws Exception {
186 setupReflog("logs/refs/heads/a", aLine);
187 setupReflog("logs/refs/heads/master", masterLine);
188 setupReflog("logs/HEAD", headLine);
189 assertEquals("branch: change to master", db.getReflogReader("master")
190 .getLastEntry().getComment());
191 assertEquals("branch: change to a", db.getReflogReader("a")
192 .getLastEntry().getComment());
193 assertEquals("branch: change to HEAD", db.getReflogReader("HEAD")
194 .getLastEntry().getComment());
195 }
196
197 @Test
198 public void testReadLineWithMissingComment() throws Exception {
199 setupReflog("logs/refs/heads/master", oneLineWithoutComment);
200 final ReflogReader reader = db.getReflogReader("master");
201 ReflogEntry e = reader.getLastEntry();
202 assertEquals(ObjectId
203 .fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
204 .getOldId());
205 assertEquals(ObjectId
206 .fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
207 .getNewId());
208 assertEquals("A O Thor Too", e.getWho().getName());
209 assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
210 assertEquals(120, e.getWho().getTimeZoneOffset());
211 assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
212 assertEquals("",
213 e.getComment());
214 }
215
216 @Test
217 public void testNoLog() throws Exception {
218 assertEquals(0, db.getReflogReader("master").getReverseEntries().size());
219 assertNull(db.getReflogReader("master").getLastEntry());
220 }
221
222 @Test
223 public void testCheckout() throws Exception {
224 setupReflog("logs/HEAD", switchBranch);
225 List<ReflogEntry> entries = db.getReflogReader(Constants.HEAD)
226 .getReverseEntries();
227 assertEquals(1, entries.size());
228 ReflogEntry entry = entries.get(0);
229 CheckoutEntry checkout = entry.parseCheckout();
230 assertNotNull(checkout);
231 assertEquals("master", checkout.getToBranch());
232 assertEquals("new/work", checkout.getFromBranch());
233 }
234
235 @Test
236 public void testSpecificEntryNumber() throws Exception {
237 setupReflog("logs/refs/heads/master", twoLine);
238
239 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
240 ReflogEntry e = reader.getReverseEntry(0);
241 assertEquals(
242 ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
243 e.getOldId());
244 assertEquals(
245 ObjectId.fromString("54794942a18a237c57a80719afed44bb78172b10"),
246 e.getNewId());
247 assertEquals("Same A U Thor", e.getWho().getName());
248 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
249 assertEquals(60, e.getWho().getTimeZoneOffset());
250 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
251 assertEquals(
252 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
253 e.getComment());
254
255 e = reader.getReverseEntry(1);
256 assertEquals(
257 ObjectId.fromString("0000000000000000000000000000000000000000"),
258 e.getOldId());
259 assertEquals(
260 ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
261 e.getNewId());
262 assertEquals("A U Thor", e.getWho().getName());
263 assertEquals("thor@committer.au", e.getWho().getEmailAddress());
264 assertEquals(-60, e.getWho().getTimeZoneOffset());
265 assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
266 assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
267
268 assertNull(reader.getReverseEntry(3));
269 }
270
271 private void setupReflog(String logName, byte[] data)
272 throws FileNotFoundException, IOException {
273 File logfile = new File(db.getDirectory(), logName);
274 if (!logfile.getParentFile().mkdirs()
275 && !logfile.getParentFile().isDirectory()) {
276 throw new IOException(
277 "oops, cannot create the directory for the test reflog file"
278 + logfile);
279 }
280 FileOutputStream fileOutputStream = new FileOutputStream(logfile);
281 try {
282 fileOutputStream.write(data);
283 } finally {
284 fileOutputStream.close();
285 }
286 }
287
288 }