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
  24 import os
  25 import stat
  26 import unittest
  27
  28 from dulwich.objects import (
  29     Blob,
  30     Tree,
  31     Commit,
  32     Tag,
  33     format_timezone,
  34     hex_to_sha,
  35     parse_timezone,
  36     )
  37
  38 a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'
  39 b_sha = '2969be3e8ee1c0222396a5611407e4769f14e54b'
  40 c_sha = '954a536f7819d40e6f637f849ee187dd10066349'
  41 tree_sha = '70c190eb48fa8bbb50ddc692a17b44cb781af7f6'
  42 tag_sha = '71033db03a03c6a36721efcf1968dd8f8e0cf023'
  43
  44 class BlobReadTests(unittest.TestCase):
  45     """Test decompression of blobs"""
  46
  47     def get_sha_file(self, obj, base, sha):
  48         return obj.from_file(os.path.join(os.path.dirname(__file__),
  49                                           'data', base, sha))
  50
  51     def get_blob(self, sha):
  52         """Return the blob named sha from the test data dir"""
  53         return self.get_sha_file(Blob, 'blobs', sha)
  54
  55     def get_tree(self, sha):
  56         return self.get_sha_file(Tree, 'trees', sha)
  57
  58     def get_tag(self, sha):
  59         return self.get_sha_file(Tag, 'tags', sha)
  60
  61     def commit(self, sha):
  62         return self.get_sha_file(Commit, 'commits', sha)
  63
  64     def test_decompress_simple_blob(self):
  65         b = self.get_blob(a_sha)
  66         self.assertEqual(b.data, 'test 1\n')
  67         self.assertEqual(b.sha().hexdigest(), a_sha)
  68
  69     def test_hash(self):
  70         b = self.get_blob(a_sha)
  71         self.assertEqual(hash(b.id), hash(b))
  72
  73     def test_parse_empty_blob_object(self):
  74         sha = 'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391'
  75         b = self.get_blob(sha)
  76         self.assertEqual(b.data, '')
  77         self.assertEqual(b.id, sha)
  78         self.assertEqual(b.sha().hexdigest(), sha)
  79
  80     def test_create_blob_from_string(self):
  81         string = 'test 2\n'
  82         b = Blob.from_string(string)
  83         self.assertEqual(b.data, string)
  84         self.assertEqual(b.sha().hexdigest(), b_sha)
  85
  86     def test_parse_legacy_blob(self):
  87         string = 'test 3\n'
  88         b = self.get_blob(c_sha)
  89         self.assertEqual(b.data, string)
  90         self.assertEqual(b.sha().hexdigest(), c_sha)
  91
  92     def test_eq(self):
  93         blob1 = self.get_blob(a_sha)
  94         blob2 = self.get_blob(a_sha)
  95         self.assertEqual(blob1, blob2)
  96
  97     def test_read_tree_from_file(self):
  98         t = self.get_tree(tree_sha)
  99         self.assertEqual(t.entries()[0], (33188, 'a', a_sha))
 100         self.assertEqual(t.entries()[1], (33188, 'b', b_sha))
 101
 102     def test_read_tag_from_file(self):
 103         t = self.get_tag(tag_sha)
 104         self.assertEqual(t.object, (Commit, '51b668fd5bf7061b7d6fa525f88803e6cfadaa51'))
 105         self.assertEqual(t.name,'signed')
 106         self.assertEqual(t.tagger,'Ali Sabil <ali.sabil@gmail.com>')
 107         self.assertEqual(t.tag_time, 1231203091)
 108         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')
 109
 110
 111     def test_read_commit_from_file(self):
 112         sha = '60dacdc733de308bb77bb76ce0fb0f9b44c9769e'
 113         c = self.commit(sha)
 114         self.assertEqual(c.tree, tree_sha)
 115         self.assertEqual(c.parents, ['0d89f20333fbb1d2f3a94da77f4981373d8f4310'])
 116         self.assertEqual(c.author,
 117             'James Westby <jw+debian@jameswestby.net>')
 118         self.assertEqual(c.committer,
 119             'James Westby <jw+debian@jameswestby.net>')
 120         self.assertEqual(c.commit_time, 1174759230)
 121         self.assertEqual(c.commit_timezone, 0)
 122         self.assertEqual(c.author_timezone, 0)
 123         self.assertEqual(c.message, 'Test commit\n')
 124
 125     def test_read_commit_no_parents(self):
 126         sha = '0d89f20333fbb1d2f3a94da77f4981373d8f4310'
 127         c = self.commit(sha)
 128         self.assertEqual(c.tree, '90182552c4a85a45ec2a835cadc3451bebdfe870')
 129         self.assertEqual(c.parents, [])
 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, 1174758034)
 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_two_parents(self):
 140         sha = '5dac377bdded4c9aeb8dff595f0faeebcc8498cc'
 141         c = self.commit(sha)
 142         self.assertEqual(c.tree, 'd80c186a03f423a81b39df39dc87fd269736ca86')
 143         self.assertEqual(c.parents, ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
 144                                        '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6'])
 145         self.assertEqual(c.author,
 146             'James Westby <jw+debian@jameswestby.net>')
 147         self.assertEqual(c.committer,
 148             'James Westby <jw+debian@jameswestby.net>')
 149         self.assertEqual(c.commit_time, 1174773719)
 150         self.assertEqual(c.commit_timezone, 0)
 151         self.assertEqual(c.author_timezone, 0)
 152         self.assertEqual(c.message, 'Merge ../b\n')
 153
 154
 155
 156 class CommitSerializationTests(unittest.TestCase):
 157
 158     def make_base(self):
 159         c = Commit()
 160         c.tree = 'd80c186a03f423a81b39df39dc87fd269736ca86'
 161         c.parents = ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd', '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6']
 162         c.author = 'James Westby <jw+debian@jameswestby.net>'
 163         c.committer = 'James Westby <jw+debian@jameswestby.net>'
 164         c.commit_time = 1174773719
 165         c.author_time = 1174773719
 166         c.commit_timezone = 0
 167         c.author_timezone = 0
 168         c.message =  'Merge ../b\n'
 169         return c
 170
 171     def test_encoding(self):
 172         c = self.make_base()
 173         c.encoding = "iso8859-1"
 174         self.assertTrue("encoding iso8859-1\n" in c.as_raw_string())
 175
 176     def test_short_timestamp(self):
 177         c = self.make_base()
 178         c.commit_time = 30
 179         c1 = Commit()
 180         c1.set_raw_string(c.as_raw_string())
 181         self.assertEquals(30, c1.commit_time)
 182
 183     def test_raw_length(self):
 184         c = self.make_base()
 185         self.assertEquals(len(c.as_raw_string()), c._raw_length())
 186
 187     def test_simple(self):
 188         c = self.make_base()
 189         self.assertEquals(c.id, '5dac377bdded4c9aeb8dff595f0faeebcc8498cc')
 190         self.assertEquals(
 191                 'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
 192                 'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
 193                 'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
 194                 'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 195                 'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 196                 '\n'
 197                 'Merge ../b\n', c.as_raw_string())
 198
 199     def test_timezone(self):
 200         c = self.make_base()
 201         c.commit_timezone = 5 * 60
 202         self.assertTrue(" +0005\n" in c.as_raw_string())
 203
 204     def test_neg_timezone(self):
 205         c = self.make_base()
 206         c.commit_timezone = -1 * 3600
 207         self.assertTrue(" -0100\n" in c.as_raw_string())
 208
 209
 210 class CommitDeserializationTests(unittest.TestCase):
 211
 212     def test_simple(self):
 213         c = Commit.from_string(
 214                 'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
 215                 'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
 216                 'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
 217                 'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 218                 'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 219                 '\n'
 220                 'Merge ../b\n')
 221         self.assertEquals('Merge ../b\n', c.message)
 222         self.assertEquals('James Westby <jw+debian@jameswestby.net>',
 223             c.author)
 224         self.assertEquals('James Westby <jw+debian@jameswestby.net>',
 225             c.committer)
 226         self.assertEquals('d80c186a03f423a81b39df39dc87fd269736ca86',
 227             c.tree)
 228         self.assertEquals(['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
 229                           '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6'],
 230             c.parents)
 231
 232     def test_custom(self):
 233         c = Commit.from_string(
 234                 'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
 235                 'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
 236                 'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
 237                 'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 238                 'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
 239                 'extra-field data\n'
 240                 '\n'
 241                 'Merge ../b\n')
 242         self.assertEquals([('extra-field', 'data')], c.extra)
 243
 244
 245 class TreeSerializationTests(unittest.TestCase):
 246
 247     def test_simple(self):
 248         myhexsha = "d80c186a03f423a81b39df39dc87fd269736ca86"
 249         x = Tree()
 250         x["myname"] = (0100755, myhexsha)
 251         self.assertEquals('100755 myname\0' + hex_to_sha(myhexsha),
 252                 x.as_raw_string())
 253
 254     def test_tree_dir_sort(self):
 255         x = Tree()
 256         x["a.c"] = (0100755, "d80c186a03f423a81b39df39dc87fd269736ca86")
 257         x["a"] = (stat.S_IFDIR, "d80c186a03f423a81b39df39dc87fd269736ca86")
 258         x["a/c"] = (stat.S_IFDIR, "d80c186a03f423a81b39df39dc87fd269736ca86")
 259         self.assertEquals(["a.c", "a", "a/c"], [p[0] for p in x.iteritems()])
 260
 261
 262 class TagSerializeTests(unittest.TestCase):
 263
 264     def test_serialize_simple(self):
 265         x = Tag()
 266         x.tagger = "Jelmer Vernooij <jelmer@samba.org>"
 267         x.name = "0.1"
 268         x.message = "Tag 0.1"
 269         x.object = (3, "d80c186a03f423a81b39df39dc87fd269736ca86")
 270         x.tag_time = 423423423
 271         x.tag_timezone = 0
 272         self.assertEquals("""object d80c186a03f423a81b39df39dc87fd269736ca86
 273 type blob
 274 tag 0.1
 275 tagger Jelmer Vernooij <jelmer@samba.org> 423423423 +0000
 276
 277 Tag 0.1""", x.as_raw_string())
 278
 279
 280 class TagParseTests(unittest.TestCase):
 281
 282     def test_parse_ctime(self):
 283         x = Tag()
 284         x.set_raw_string("""object a38d6181ff27824c79fc7df825164a212eff6a3f
 285 type commit
 286 tag v2.6.22-rc7
 287 tagger Linus Torvalds <torvalds@woody.linux-foundation.org> Sun Jul 1 12:54:34 2007 -0700
 288
 289 Linux 2.6.22-rc7
 290 -----BEGIN PGP SIGNATURE-----
 291 Version: GnuPG v1.4.7 (GNU/Linux)
 292
 293 iD8DBQBGiAaAF3YsRnbiHLsRAitMAKCiLboJkQECM/jpYsY3WPfvUgLXkACgg3ql
 294 OK2XeQOiEeXtT76rV4t2WR4=
 295 =ivrA
 296 -----END PGP SIGNATURE-----
 297 """)
 298         self.assertEquals("Linus Torvalds <torvalds@woody.linux-foundation.org>", x.tagger)
 299         self.assertEquals("v2.6.22-rc7", x.name)
 300
 301     def test_parse_no_tagger(self):
 302         x = Tag()
 303         x.set_raw_string("""object a38d6181ff27824c79fc7df825164a212eff6a3f
 304 type commit
 305 tag v2.6.22-rc7
 306
 307 Linux 2.6.22-rc7
 308 -----BEGIN PGP SIGNATURE-----
 309 Version: GnuPG v1.4.7 (GNU/Linux)
 310
 311 iD8DBQBGiAaAF3YsRnbiHLsRAitMAKCiLboJkQECM/jpYsY3WPfvUgLXkACgg3ql
 312 OK2XeQOiEeXtT76rV4t2WR4=
 313 =ivrA
 314 -----END PGP SIGNATURE-----
 315 """)
 316         self.assertEquals(None, x.tagger)
 317         self.assertEquals("v2.6.22-rc7", x.name)
 318
 319
 320 class TimezoneTests(unittest.TestCase):
 321
 322     def test_parse_timezone_utc(self):
 323         self.assertEquals(0, parse_timezone("+0000"))
 324
 325     def test_generate_timezone_utc(self):
 326         self.assertEquals("+0000", format_timezone(0))
 327
 328     def test_parse_timezone_cet(self):
 329         self.assertEquals(60 * 60, parse_timezone("+0100"))
 330
 331     def test_format_timezone_cet(self):
 332         self.assertEquals("+0100", format_timezone(60 * 60))
 333
 334     def test_format_timezone_pdt(self):
 335         self.assertEquals("-0400", format_timezone(-4 * 60 * 60))
 336
 337     def test_parse_timezone_pdt(self):
 338         self.assertEquals(-4 * 60 * 60, parse_timezone("-0400"))
 339
 340     def test_format_timezone_pdt_half(self):
 341         self.assertEquals("-0440", format_timezone(int(((-4 * 60) - 40) * 60)))
 342
 343     def test_parse_timezone_pdt_half(self):
 344         self.assertEquals(((-4 * 60) - 40) * 60, parse_timezone("-0440"))