org.spearce.jgit.test/tst/org/spearce/jgit/revwalk/RevCommitParseTest.java

   1 /*
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   4  * All rights reserved.
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   7  * without modification, are permitted provided that the following
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  13  * - Redistributions in binary form must reproduce the above
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  24  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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  37
  38 package org.spearce.jgit.revwalk;
  39
  40 import org.spearce.jgit.lib.ObjectId;
  41 import org.spearce.jgit.lib.PersonIdent;
  42 import org.spearce.jgit.lib.RepositoryTestCase;
  43
  44 public class RevCommitParseTest extends RepositoryTestCase {
  45         public void testParse_NoParents() throws Exception {
  46                 final ObjectId treeId = id("9788669ad918b6fcce64af8882fc9a81cb6aba67");
  47                 final String authorName = "A U. Thor";
  48                 final String authorEmail = "a_u_thor@example.com";
  49                 final int authorTime = 1218123387;
  50
  51                 final String committerName = "C O. Miter";
  52                 final String committerEmail = "comiter@example.com";
  53                 final int committerTime = 1218123390;
  54                 final StringBuilder body = new StringBuilder();
  55
  56                 body.append("tree ");
  57                 body.append(treeId.name());
  58                 body.append("\n");
  59
  60                 body.append("author ");
  61                 body.append(authorName);
  62                 body.append(" <");
  63                 body.append(authorEmail);
  64                 body.append("> ");
  65                 body.append(authorTime);
  66                 body.append(" +0700\n");
  67
  68                 body.append("committer ");
  69                 body.append(committerName);
  70                 body.append(" <");
  71                 body.append(committerEmail);
  72                 body.append("> ");
  73                 body.append(committerTime);
  74                 body.append(" -0500\n");
  75
  76                 body.append("\n");
  77
  78                 final RevWalk rw = new RevWalk(db);
  79                 final RevCommit c;
  80
  81                 c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
  82                 assertNull(c.getTree());
  83                 assertNull(c.parents);
  84
  85                 c.parseCanonical(rw, body.toString().getBytes("UTF-8"));
  86                 assertNotNull(c.getTree());
  87                 assertEquals(treeId, c.getTree().getId());
  88                 assertSame(rw.lookupTree(treeId), c.getTree());
  89
  90                 assertNotNull(c.parents);
  91                 assertEquals(0, c.parents.length);
  92                 assertEquals("", c.getFullMessage());
  93
  94                 final PersonIdent cAuthor = c.getAuthorIdent();
  95                 assertNotNull(cAuthor);
  96                 assertEquals(authorName, cAuthor.getName());
  97                 assertEquals(authorEmail, cAuthor.getEmailAddress());
  98
  99                 final PersonIdent cCommitter = c.getCommitterIdent();
 100                 assertNotNull(cCommitter);
 101                 assertEquals(committerName, cCommitter.getName());
 102                 assertEquals(committerEmail, cCommitter.getEmailAddress());
 103         }
 104
 105         private RevCommit create(final String msg) throws Exception {
 106                 final StringBuilder b = new StringBuilder();
 107                 b.append("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n");
 108                 b.append("author A U. Thor <a_u_thor@example.com> 1218123387 +0700\n");
 109                 b.append("committer C O. Miter <c@example.com> 1218123390 -0500\n");
 110                 b.append("\n");
 111                 b.append(msg);
 112
 113                 final RevCommit c;
 114                 c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 115                 c.parseCanonical(new RevWalk(db), b.toString().getBytes("UTF-8"));
 116                 return c;
 117         }
 118
 119         public void testParse_WeirdHeaderOnlyCommit() throws Exception {
 120                 final StringBuilder b = new StringBuilder();
 121                 b.append("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n");
 122                 b.append("author A U. Thor <a_u_thor@example.com> 1218123387 +0700\n");
 123                 b.append("committer C O. Miter <c@example.com> 1218123390 -0500\n");
 124
 125                 final RevCommit c;
 126                 c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 127                 c.parseCanonical(new RevWalk(db), b.toString().getBytes("UTF-8"));
 128
 129                 assertEquals("", c.getFullMessage());
 130                 assertEquals("", c.getShortMessage());
 131         }
 132
 133         public void testParse_NoMessage() throws Exception {
 134                 final String msg = "";
 135                 final RevCommit c = create(msg);
 136                 assertEquals(msg, c.getFullMessage());
 137                 assertEquals(msg, c.getShortMessage());
 138         }
 139
 140         public void testParse_OnlyLFMessage() throws Exception {
 141                 final RevCommit c = create("\n");
 142                 assertEquals("\n", c.getFullMessage());
 143                 assertEquals("", c.getShortMessage());
 144         }
 145
 146         public void testParse_ShortLineOnlyNoLF() throws Exception {
 147                 final String shortMsg = "This is a short message.";
 148                 final RevCommit c = create(shortMsg);
 149                 assertEquals(shortMsg, c.getFullMessage());
 150                 assertEquals(shortMsg, c.getShortMessage());
 151         }
 152
 153         public void testParse_ShortLineOnlyEndLF() throws Exception {
 154                 final String shortMsg = "This is a short message.";
 155                 final String fullMsg = shortMsg + "\n";
 156                 final RevCommit c = create(fullMsg);
 157                 assertEquals(fullMsg, c.getFullMessage());
 158                 assertEquals(shortMsg, c.getShortMessage());
 159         }
 160
 161         public void testParse_ShortLineOnlyEmbeddedLF() throws Exception {
 162                 final String fullMsg = "This is a\nshort message.";
 163                 final String shortMsg = fullMsg.replace('\n', ' ');
 164                 final RevCommit c = create(fullMsg);
 165                 assertEquals(fullMsg, c.getFullMessage());
 166                 assertEquals(shortMsg, c.getShortMessage());
 167         }
 168
 169         public void testParse_ShortLineOnlyEmbeddedAndEndingLF() throws Exception {
 170                 final String fullMsg = "This is a\nshort message.\n";
 171                 final String shortMsg = "This is a short message.";
 172                 final RevCommit c = create(fullMsg);
 173                 assertEquals(fullMsg, c.getFullMessage());
 174                 assertEquals(shortMsg, c.getShortMessage());
 175         }
 176
 177         public void testParse_GitStyleMessage() throws Exception {
 178                 final String shortMsg = "This fixes a bug.";
 179                 final String body = "We do it with magic and pixie dust and stuff.\n"
 180                                 + "\n" + "Signed-off-by: A U. Thor <author@example.com>\n";
 181                 final String fullMsg = shortMsg + "\n" + "\n" + body;
 182                 final RevCommit c = create(fullMsg);
 183                 assertEquals(fullMsg, c.getFullMessage());
 184                 assertEquals(shortMsg, c.getShortMessage());
 185         }
 186
 187         private static ObjectId id(final String str) {
 188                 return ObjectId.fromString(str);
 189         }
 190 }