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45 package org.eclipse.jgit.internal.storage.file;
46
47 import static java.nio.charset.StandardCharsets.UTF_8;
48 import static org.junit.Assert.assertEquals;
49 import static org.junit.Assert.assertNotNull;
50 import static org.junit.Assert.assertNull;
51
52 import java.io.File;
53 import java.io.FileNotFoundException;
54 import java.io.FileOutputStream;
55 import java.io.IOException;
56 import java.text.SimpleDateFormat;
57 import java.util.List;
58
59 import org.eclipse.jgit.lib.CheckoutEntry;
60 import org.eclipse.jgit.lib.Constants;
61 import org.eclipse.jgit.lib.ObjectId;
62 import org.eclipse.jgit.lib.PersonIdent;
63 import org.eclipse.jgit.lib.ReflogEntry;
64 import org.eclipse.jgit.lib.ReflogReader;
65 import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
66 import org.junit.Test;
67
68 public class ReflogReaderTest extends SampleDataRepositoryTestCase {
69
70 static byte[] oneLine = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\tcommit: Add a toString for debugging to RemoteRefUpdate\n"
71 .getBytes(UTF_8);
72
73 static byte[] twoLine = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
74 + "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n")
75 .getBytes(UTF_8);
76
77 static byte[] twoLineWithAppendInProgress = ("0000000000000000000000000000000000000000 c6734895958052a9dbc396cff4459dc1a25029ab A U Thor <thor@committer.au> 1243028201 -0100\tbranch: Created from rr/renamebranchv4\n"
78 + "c6734895958052a9dbc396cff4459dc1a25029ab 54794942a18a237c57a80719afed44bb78172b10 Same A U Thor <same.author@example.com> 1243028202 +0100\trebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d\n"
79 + "54794942a18a237c57a80719afed44bb78172b10 ")
80 .getBytes(UTF_8);
81
82 static byte[] aLine = "1111111111111111111111111111111111111111 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to a\n"
83 .getBytes(UTF_8);
84
85 static byte[] masterLine = "2222222222222222222222222222222222222222 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to master\n"
86 .getBytes(UTF_8);
87
88 static byte[] headLine = "3333333333333333333333333333333333333333 3e7549db262d1e836d9bf0af7e22355468f1717c A U Thor <thor@committer.au> 1243028201 -0100\tbranch: change to HEAD\n"
89 .getBytes(UTF_8);
90
91 static byte[] oneLineWithoutComment = "da85355dfc525c9f6f3927b876f379f46ccf826e 3e7549db262d1e836d9bf0af7e22355468f1717c A O Thor Too <authortoo@wri.tr> 1243028200 +0200\n"
92 .getBytes(UTF_8);
93
94 static byte[] switchBranch = "0d43a6890a19fd657faad1c4cfbe3cb1b47851c3 4809df9c0d8bce5b00955563f77c5a9f25aa0d12 A O Thor Too <authortoo@wri.tr> 1315088009 +0200\tcheckout: moving from new/work to master\n"
95 .getBytes(UTF_8);
96
97 @Test
98 public void testReadOneLine() throws Exception {
99 setupReflog("logs/refs/heads/master", oneLine);
100
101 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
102 ReflogEntry e = reader.getLastEntry();
103 assertEquals(ObjectId
104 .fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
105 .getOldId());
106 assertEquals(ObjectId
107 .fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
108 .getNewId());
109 assertEquals("A O Thor Too", e.getWho().getName());
110 assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
111 assertEquals(120, e.getWho().getTimeZoneOffset());
112 assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
113 assertEquals("commit: Add a toString for debugging to RemoteRefUpdate",
114 e.getComment());
115 }
116
117 private static String iso(PersonIdent id) {
118 final SimpleDateFormat fmt;
119 fmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
120 fmt.setTimeZone(id.getTimeZone());
121 return fmt.format(id.getWhen());
122 }
123
124 @Test
125 public void testReadTwoLine() throws Exception {
126 setupReflog("logs/refs/heads/master", twoLine);
127
128 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
129 List<ReflogEntry> reverseEntries = reader.getReverseEntries();
130 assertEquals(2, reverseEntries.size());
131 ReflogEntry e = reverseEntries.get(0);
132 assertEquals(ObjectId
133 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
134 .getOldId());
135 assertEquals(ObjectId
136 .fromString("54794942a18a237c57a80719afed44bb78172b10"), e
137 .getNewId());
138 assertEquals("Same A U Thor", e.getWho().getName());
139 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
140 assertEquals(60, e.getWho().getTimeZoneOffset());
141 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
142 assertEquals(
143 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
144 e.getComment());
145
146 e = reverseEntries.get(1);
147 assertEquals(ObjectId
148 .fromString("0000000000000000000000000000000000000000"), e
149 .getOldId());
150 assertEquals(ObjectId
151 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
152 .getNewId());
153 assertEquals("A U Thor", e.getWho().getName());
154 assertEquals("thor@committer.au", e.getWho().getEmailAddress());
155 assertEquals(-60, e.getWho().getTimeZoneOffset());
156 assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
157 assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
158 }
159
160 @Test
161 public void testReadWhileAppendIsInProgress() throws Exception {
162 setupReflog("logs/refs/heads/master", twoLineWithAppendInProgress);
163 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
164 List<ReflogEntry> reverseEntries = reader.getReverseEntries();
165 assertEquals(2, reverseEntries.size());
166 ReflogEntry e = reverseEntries.get(0);
167 assertEquals(ObjectId
168 .fromString("c6734895958052a9dbc396cff4459dc1a25029ab"), e
169 .getOldId());
170 assertEquals(ObjectId
171 .fromString("54794942a18a237c57a80719afed44bb78172b10"), e
172 .getNewId());
173 assertEquals("Same A U Thor", e.getWho().getName());
174 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
175 assertEquals(60, e.getWho().getTimeZoneOffset());
176 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
177 assertEquals(
178 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
179 e.getComment());
180
181
182 }
183
184
185 @Test
186 public void testReadRightLog() throws Exception {
187 setupReflog("logs/refs/heads/a", aLine);
188 setupReflog("logs/refs/heads/master", masterLine);
189 setupReflog("logs/HEAD", headLine);
190 assertEquals("branch: change to master", db.getReflogReader("master")
191 .getLastEntry().getComment());
192 assertEquals("branch: change to a", db.getReflogReader("a")
193 .getLastEntry().getComment());
194 assertEquals("branch: change to HEAD", db.getReflogReader("HEAD")
195 .getLastEntry().getComment());
196 }
197
198 @Test
199 public void testReadLineWithMissingComment() throws Exception {
200 setupReflog("logs/refs/heads/master", oneLineWithoutComment);
201 final ReflogReader reader = db.getReflogReader("master");
202 ReflogEntry e = reader.getLastEntry();
203 assertEquals(ObjectId
204 .fromString("da85355dfc525c9f6f3927b876f379f46ccf826e"), e
205 .getOldId());
206 assertEquals(ObjectId
207 .fromString("3e7549db262d1e836d9bf0af7e22355468f1717c"), e
208 .getNewId());
209 assertEquals("A O Thor Too", e.getWho().getName());
210 assertEquals("authortoo@wri.tr", e.getWho().getEmailAddress());
211 assertEquals(120, e.getWho().getTimeZoneOffset());
212 assertEquals("2009-05-22T23:36:40", iso(e.getWho()));
213 assertEquals("",
214 e.getComment());
215 }
216
217 @Test
218 public void testNoLog() throws Exception {
219 assertEquals(0, db.getReflogReader("master").getReverseEntries().size());
220 assertNull(db.getReflogReader("master").getLastEntry());
221 }
222
223 @Test
224 public void testCheckout() throws Exception {
225 setupReflog("logs/HEAD", switchBranch);
226 List<ReflogEntry> entries = db.getReflogReader(Constants.HEAD)
227 .getReverseEntries();
228 assertEquals(1, entries.size());
229 ReflogEntry entry = entries.get(0);
230 CheckoutEntry checkout = entry.parseCheckout();
231 assertNotNull(checkout);
232 assertEquals("master", checkout.getToBranch());
233 assertEquals("new/work", checkout.getFromBranch());
234 }
235
236 @Test
237 public void testSpecificEntryNumber() throws Exception {
238 setupReflog("logs/refs/heads/master", twoLine);
239
240 ReflogReader reader = new ReflogReaderImpl(db, "refs/heads/master");
241 ReflogEntry e = reader.getReverseEntry(0);
242 assertEquals(
243 ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
244 e.getOldId());
245 assertEquals(
246 ObjectId.fromString("54794942a18a237c57a80719afed44bb78172b10"),
247 e.getNewId());
248 assertEquals("Same A U Thor", e.getWho().getName());
249 assertEquals("same.author@example.com", e.getWho().getEmailAddress());
250 assertEquals(60, e.getWho().getTimeZoneOffset());
251 assertEquals("2009-05-22T22:36:42", iso(e.getWho()));
252 assertEquals(
253 "rebase finished: refs/heads/rr/renamebranch5 onto c6e3b9fe2da0293f11eae202ec35fb343191a82d",
254 e.getComment());
255
256 e = reader.getReverseEntry(1);
257 assertEquals(
258 ObjectId.fromString("0000000000000000000000000000000000000000"),
259 e.getOldId());
260 assertEquals(
261 ObjectId.fromString("c6734895958052a9dbc396cff4459dc1a25029ab"),
262 e.getNewId());
263 assertEquals("A U Thor", e.getWho().getName());
264 assertEquals("thor@committer.au", e.getWho().getEmailAddress());
265 assertEquals(-60, e.getWho().getTimeZoneOffset());
266 assertEquals("2009-05-22T20:36:41", iso(e.getWho()));
267 assertEquals("branch: Created from rr/renamebranchv4", e.getComment());
268
269 assertNull(reader.getReverseEntry(3));
270 }
271
272 private void setupReflog(String logName, byte[] data)
273 throws FileNotFoundException, IOException {
274 File logfile = new File(db.getDirectory(), logName);
275 if (!logfile.getParentFile().mkdirs()
276 && !logfile.getParentFile().isDirectory()) {
277 throw new IOException(
278 "oops, cannot create the directory for the test reflog file"
279 + logfile);
280 }
281 try (FileOutputStream fileOutputStream = new FileOutputStream(logfile)) {
282 fileOutputStream.write(data);
283 }
284 }
285
286 }