dulwich/tests/test_objects.py

   1 # test_objects.py -- tests for objects.py
   2 # Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
   3 #
   4 # This program is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU General Public License
   6 # as published by the Free Software Foundation; version 2
   7 # of the License or (at your option) any later version of
   8 # the License.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  18 # MA  02110-1301, USA.
  19
  20
  21 """Tests for git base objects."""
  22
  23 # TODO: Round-trip parse-serialize-parse and serialize-parse-serialize tests.
  24
  25
  26 import os
  27 import stat
  28 import unittest
  29
  30 from dulwich.objects import (
  31     Blob,
  32     Tree,
  33     Commit,
  34     Tag,
  35     format_timezone,
  36     hex_to_sha,
  37     parse_timezone,
  38     )
  39
  40 a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'
  41 b_sha = '2969be3e8ee1c0222396a5611407e4769f14e54b'
  42 c_sha = '954a536f7819d40e6f637f849ee187dd10066349'
  43 tree_sha = '70c190eb48fa8bbb50ddc692a17b44cb781af7f6'
  44 tag_sha = '71033db03a03c6a36721efcf1968dd8f8e0cf023'
  45
  46 class BlobReadTests(unittest.TestCase):
  47     """Test decompression of blobs"""
  48
  49     def get_sha_file(self, obj, base, sha):
  50         return obj.from_file(os.path.join(os.path.dirname(__file__),
  51                                           'data', base, sha))
  52
  53     def get_blob(self, sha):
  54         """Return the blob named sha from the test data dir"""
  55         return self.get_sha_file(Blob, 'blobs', sha)
  56
  57     def get_tree(self, sha):
  58         return self.get_sha_file(Tree, 'trees', sha)
  59
  60     def get_tag(self, sha):
  61         return self.get_sha_file(Tag, 'tags', sha)
  62
  63     def commit(self, sha):
  64         return self.get_sha_file(Commit, 'commits', sha)
  65
  66     def test_decompress_simple_blob(self):
  67         b = self.get_blob(a_sha)
  68         self.assertEqual(b.data, 'test 1\n')
  69         self.assertEqual(b.sha().hexdigest(), a_sha)
  70
  71     def test_hash(self):
  72         b = self.get_blob(a_sha)
  73         self.assertEqual(hash(b.id), hash(b))
  74
  75     def test_parse_empty_blob_object(self):
  76         sha = 'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391'
  77         b = self.get_blob(sha)
  78         self.assertEqual(b.data, '')
  79         self.assertEqual(b.id, sha)
  80         self.assertEqual(b.sha().hexdigest(), sha)
  81
  82     def test_create_blob_from_string(self):
  83         string = 'test 2\n'
  84         b = Blob.from_string(string)
  85         self.assertEqual(b.data, string)
  86         self.assertEqual(b.sha().hexdigest(), b_sha)
  87
  88     def test_chunks(self):
  89         string = 'test 5\n'
  90         b = Blob.from_string(string)
  91         self.assertEqual([string], b.chunked)
  92
  93     def test_set_chunks(self):
  94         b = Blob()
  95         b.chunked = ['te', 'st', ' 5\n']
  96         self.assertEqual('test 5\n', b.data)
  97         b.chunked = ['te', 'st', ' 6\n']
  98         self.assertEqual('test 6\n', b.as_raw_string())
  99
 100     def test_parse_legacy_blob(self):
 101         string = 'test 3\n'
 102         b = self.get_blob(c_sha)
 103         self.assertEqual(b.data, string)
 104         self.assertEqual(b.sha().hexdigest(), c_sha)
 105
 106     def test_eq(self):
 107         blob1 = self.get_blob(a_sha)
 108         blob2 = self.get_blob(a_sha)
 109         self.assertEqual(blob1, blob2)
 110
 111     def test_read_tree_from_file(self):
 112         t = self.get_tree(tree_sha)
 113         self.assertEqual(t.entries()[0], (33188, 'a', a_sha))
 114         self.assertEqual(t.entries()[1], (33188, 'b', b_sha))
 115
 116     def test_read_tag_from_file(self):
 117         t = self.get_tag(tag_sha)
 118         self.assertEqual(t.object, (Commit, '51b668fd5bf7061b7d6fa525f88803e6cfadaa51'))
 119         self.assertEqual(t.name,'signed')
 120         self.assertEqual(t.tagger,'Ali Sabil <ali.sabil@gmail.com>')
 121         self.assertEqual(t.tag_time, 1231203091)
 122         self.assertEqual(t.message, 'This is a signed tag\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.9 (GNU/Linux)\n\niEYEABECAAYFAkliqx8ACgkQqSMmLy9u/kcx5ACfakZ9NnPl02tOyYP6pkBoEkU1\n5EcAn0UFgokaSvS371Ym/4W9iJj6vh3h\n=ql7y\n-----END PGP SIGNATURE-----\n')
 123
 124
 125     def test_read_commit_from_file(self):
 126         sha = '60dacdc733de308bb77bb76ce0fb0f9b44c9769e'
 127         c = self.commit(sha)
 128         self.assertEqual(c.tree, tree_sha)
 129         self.assertEqual(c.parents, ['0d89f20333fbb1d2f3a94da77f4981373d8f4310'])
 130         self.assertEqual(c.author,
 131             'James Westby <jw+debian@jameswestby.net>')
 132         self.assertEqual(c.committer,
 133             'James Westby <jw+debian@jameswestby.net>')
 134         self.assertEqual(c.commit_time, 1174759230)
 135         self.assertEqual(c.commit_timezone, 0)
 136         self.assertEqual(c.author_timezone, 0)
 137         self.assertEqual(c.message, 'Test commit\n')
 138
 139     def test_read_commit_no_parents(self):
 140         sha = '0d89f20333fbb1d2f3a94da77f4981373d8f4310'
 141         c = self.commit(sha)
 142         self.assertEqual(c.tree, '90182552c4a85a45ec2a835cadc3451bebdfe870')
 143         self.assertEqual(c.parents, [])
 144         self.assertEqual(c.author,
 145             'James Westby <jw+debian@jameswestby.net>')
 146         self.assertEqual(c.committer,
 147             'James Westby <jw+debian@jameswestby.net>')
 148         self.assertEqual(c.commit_time, 1174758034)
 149         self.assertEqual(c.commit_timezone, 0)
 150         self.assertEqual(c.author_timezone, 0)
 151         self.assertEqual(c.message, 'Test commit\n')
 152
 153     def test_read_commit_two_parents(self):
 154         sha = '5dac377bdded4c9aeb8dff595f0faeebcc8498cc'
 155         c = self.commit(sha)
 156         self.assertEqual(c.tree, 'd80c186a03f423a81b39df39dc87fd269736ca86')
 157         self.assertEqual(c.parents, ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
 158                                        '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6'])
 159         self.assertEqual(c.author,
 160             'James Westby <jw+debian@jameswestby.net>')
 161         self.assertEqual(c.committer,
 162             'James Westby <jw+debian@jameswestby.net>')
 163         self.assertEqual(c.commit_time, 1174773719)
 164         self.assertEqual(c.commit_timezone, 0)
 165         self.assertEqual(c.author_timezone, 0)
 166         self.assertEqual(c.message, 'Merge ../b\n')
 167
 168
 169
 170 class CommitSerializationTests(unittest.TestCase):
 171
 172     def make_base(self):
 173         c = Commit()
 174         c.tree = 'd80c186a03f423a81b39df39dc87fd269736ca86'
 175         c.parents = ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd', '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6']
 176         c.author = 'James Westby <jw+debian@jameswestby.net>'
 177         c.committer = 'James Westby <jw+debian@jameswestby.net>'
 178         c.commit_time = 1174773719
 179         c.author_time = 1174773719
 180         c.commit_timezone = 0
 181         c.author_timezone = 0
 182         c.message =  'Merge ../b\n'
 183         return c
 184
 185     def test_encoding(self):
 186         c = self.make_base()
 187         c.encoding = "iso8859-1"
 188         self.assertTrue("encoding iso8859-1\n" in c.as_raw_string())
 189
 190     def test_short_timestamp(self):
 191         c = self.make_base()
 192         c.commit_time = 30
 193         c1 = Commit()
 194         c1.set_raw_string(c.as_raw_string())
 195         self.assertEquals(30, c1.commit_time)
 196
 197     def test_raw_length(self):
 198         c = self.make_base()
 199         self.assertEquals(len(c.as_raw_string()), c.raw_length())
 200
 201     def test_simple(self):
 202         c = self.make_base()
 203         self.assertEquals(c.id, '5dac377bdded4c9aeb8dff595f0faeebcc8498cc')
 204         self.assertEquals(
 205                 'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
 206                 'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
 207                 'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
 208                 'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 209                 'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 210                 '\n'
 211                 'Merge ../b\n', c.as_raw_string())
 212
 213     def test_timezone(self):
 214         c = self.make_base()
 215         c.commit_timezone = 5 * 60
 216         self.assertTrue(" +0005\n" in c.as_raw_string())
 217
 218     def test_neg_timezone(self):
 219         c = self.make_base()
 220         c.commit_timezone = -1 * 3600
 221         self.assertTrue(" -0100\n" in c.as_raw_string())
 222
 223
 224 class CommitDeserializationTests(unittest.TestCase):
 225
 226     def test_simple(self):
 227         c = Commit.from_string(
 228                 'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
 229                 'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
 230                 'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
 231                 'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 232                 'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 233                 '\n'
 234                 'Merge ../b\n')
 235         self.assertEquals('Merge ../b\n', c.message)
 236         self.assertEquals('James Westby <jw+debian@jameswestby.net>',
 237             c.author)
 238         self.assertEquals('James Westby <jw+debian@jameswestby.net>',
 239             c.committer)
 240         self.assertEquals('d80c186a03f423a81b39df39dc87fd269736ca86',
 241             c.tree)
 242         self.assertEquals(['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
 243                           '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6'],
 244             c.parents)
 245
 246     def test_custom(self):
 247         c = Commit.from_string(
 248                 'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
 249                 'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
 250                 'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
 251                 'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 252                 'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 253                 'extra-field data\n'
 254                 '\n'
 255                 'Merge ../b\n')
 256         self.assertEquals([('extra-field', 'data')], c.extra)
 257
 258
 259 class TreeSerializationTests(unittest.TestCase):
 260
 261     def test_simple(self):
 262         myhexsha = "d80c186a03f423a81b39df39dc87fd269736ca86"
 263         x = Tree()
 264         x["myname"] = (0100755, myhexsha)
 265         self.assertEquals('100755 myname\0' + hex_to_sha(myhexsha),
 266                 x.as_raw_string())
 267
 268     def test_tree_dir_sort(self):
 269         x = Tree()
 270         x["a.c"] = (0100755, "d80c186a03f423a81b39df39dc87fd269736ca86")
 271         x["a"] = (stat.S_IFDIR, "d80c186a03f423a81b39df39dc87fd269736ca86")
 272         x["a/c"] = (stat.S_IFDIR, "d80c186a03f423a81b39df39dc87fd269736ca86")
 273         self.assertEquals(["a.c", "a", "a/c"], [p[0] for p in x.iteritems()])
 274
 275
 276 class TagSerializeTests(unittest.TestCase):
 277
 278     def test_serialize_simple(self):
 279         x = Tag()
 280         x.tagger = "Jelmer Vernooij <jelmer@samba.org>"
 281         x.name = "0.1"
 282         x.message = "Tag 0.1"
 283         x.object = (Blob, "d80c186a03f423a81b39df39dc87fd269736ca86")
 284         x.tag_time = 423423423
 285         x.tag_timezone = 0
 286         self.assertEquals("""object d80c186a03f423a81b39df39dc87fd269736ca86
 287 type blob
 288 tag 0.1
 289 tagger Jelmer Vernooij <jelmer@samba.org> 423423423 +0000
 290
 291 Tag 0.1""", x.as_raw_string())
 292
 293
 294 class TagParseTests(unittest.TestCase):
 295
 296     def test_parse_ctime(self):
 297         x = Tag()
 298         x.set_raw_string("""object a38d6181ff27824c79fc7df825164a212eff6a3f
 299 type commit
 300 tag v2.6.22-rc7
 301 tagger Linus Torvalds <torvalds@woody.linux-foundation.org> Sun Jul 1 12:54:34 2007 -0700
 302
 303 Linux 2.6.22-rc7
 304 -----BEGIN PGP SIGNATURE-----
 305 Version: GnuPG v1.4.7 (GNU/Linux)
 306
 307 iD8DBQBGiAaAF3YsRnbiHLsRAitMAKCiLboJkQECM/jpYsY3WPfvUgLXkACgg3ql
 308 OK2XeQOiEeXtT76rV4t2WR4=
 309 =ivrA
 310 -----END PGP SIGNATURE-----
 311 """)
 312         self.assertEquals("Linus Torvalds <torvalds@woody.linux-foundation.org>", x.tagger)
 313         self.assertEquals("v2.6.22-rc7", x.name)
 314
 315     def test_parse_no_tagger(self):
 316         x = Tag()
 317         x.set_raw_string("""object a38d6181ff27824c79fc7df825164a212eff6a3f
 318 type commit
 319 tag v2.6.22-rc7
 320
 321 Linux 2.6.22-rc7
 322 -----BEGIN PGP SIGNATURE-----
 323 Version: GnuPG v1.4.7 (GNU/Linux)
 324
 325 iD8DBQBGiAaAF3YsRnbiHLsRAitMAKCiLboJkQECM/jpYsY3WPfvUgLXkACgg3ql
 326 OK2XeQOiEeXtT76rV4t2WR4=
 327 =ivrA
 328 -----END PGP SIGNATURE-----
 329 """)
 330         self.assertEquals(None, x.tagger)
 331         self.assertEquals("v2.6.22-rc7", x.name)
 332
 333
 334 class TimezoneTests(unittest.TestCase):
 335
 336     def test_parse_timezone_utc(self):
 337         self.assertEquals(0, parse_timezone("+0000"))
 338
 339     def test_generate_timezone_utc(self):
 340         self.assertEquals("+0000", format_timezone(0))
 341
 342     def test_parse_timezone_cet(self):
 343         self.assertEquals(60 * 60, parse_timezone("+0100"))
 344
 345     def test_format_timezone_cet(self):
 346         self.assertEquals("+0100", format_timezone(60 * 60))
 347
 348     def test_format_timezone_pdt(self):
 349         self.assertEquals("-0400", format_timezone(-4 * 60 * 60))
 350
 351     def test_parse_timezone_pdt(self):
 352         self.assertEquals(-4 * 60 * 60, parse_timezone("-0400"))
 353
 354     def test_format_timezone_pdt_half(self):
 355         self.assertEquals("-0440", format_timezone(int(((-4 * 60) - 40) * 60)))
 356
 357     def test_parse_timezone_pdt_half(self):
 358         self.assertEquals(((-4 * 60) - 40) * 60, parse_timezone("-0440"))