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test_objects.py
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# test_objects.py -- tests for objects.py
# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# of the License or (at your option) any later version of
# the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
"""Tests for git base objects."""
import os
import stat
import unittest
from dulwich.objects import (
Blob,
Tree,
Commit,
Tag,
format_timezone,
hex_to_sha,
parse_timezone,
)
a_sha = '6f670c0fb53f9463760b7295fbb814e965fb20c8'
b_sha = '2969be3e8ee1c0222396a5611407e4769f14e54b'
c_sha = '954a536f7819d40e6f637f849ee187dd10066349'
tree_sha = '70c190eb48fa8bbb50ddc692a17b44cb781af7f6'
tag_sha = '71033db03a03c6a36721efcf1968dd8f8e0cf023'
class BlobReadTests(unittest.TestCase):
"""Test decompression of blobs"""
def get_sha_file(self, obj, base, sha):
return obj.from_file(os.path.join(os.path.dirname(__file__),
'data', base, sha))
def get_blob(self, sha):
"""Return the blob named sha from the test data dir"""
return self.get_sha_file(Blob, 'blobs', sha)
def get_tree(self, sha):
return self.get_sha_file(Tree, 'trees', sha)
def get_tag(self, sha):
return self.get_sha_file(Tag, 'tags', sha)
def commit(self, sha):
return self.get_sha_file(Commit, 'commits', sha)
def test_decompress_simple_blob(self):
b = self.get_blob(a_sha)
self.assertEqual(b.data, 'test 1\n')
self.assertEqual(b.sha().hexdigest(), a_sha)
def test_hash(self):
b = self.get_blob(a_sha)
self.assertEqual(hash(b.id), hash(b))
def test_parse_empty_blob_object(self):
sha = 'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391'
b = self.get_blob(sha)
self.assertEqual(b.data, '')
self.assertEqual(b.id, sha)
self.assertEqual(b.sha().hexdigest(), sha)
def test_create_blob_from_string(self):
string = 'test 2\n'
b = Blob.from_string(string)
self.assertEqual(b.data, string)
self.assertEqual(b.sha().hexdigest(), b_sha)
def test_chunks(self):
string = 'test 5\n'
b = Blob.from_string(string)
self.assertEqual([string], b.chunked)
def test_set_chunks(self):
b = Blob()
b.chunked = ['te', 'st', ' 5\n']
self.assertEqual('test 5\n', b.data)
b.chunked = ['te', 'st', ' 6\n']
self.assertEqual('test 6\n', b.as_raw_string())
def test_parse_legacy_blob(self):
string = 'test 3\n'
b = self.get_blob(c_sha)
self.assertEqual(b.data, string)
self.assertEqual(b.sha().hexdigest(), c_sha)
def test_eq(self):
blob1 = self.get_blob(a_sha)
blob2 = self.get_blob(a_sha)
self.assertEqual(blob1, blob2)
def test_read_tree_from_file(self):
t = self.get_tree(tree_sha)
self.assertEqual(t.entries()[0], (33188, 'a', a_sha))
self.assertEqual(t.entries()[1], (33188, 'b', b_sha))
def test_read_tag_from_file(self):
t = self.get_tag(tag_sha)
self.assertEqual(t.object, (Commit, '51b668fd5bf7061b7d6fa525f88803e6cfadaa51'))
self.assertEqual(t.name,'signed')
self.assertEqual(t.tagger,'Ali Sabil <ali.sabil@gmail.com>')
self.assertEqual(t.tag_time, 1231203091)
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')
def test_read_commit_from_file(self):
sha = '60dacdc733de308bb77bb76ce0fb0f9b44c9769e'
c = self.commit(sha)
self.assertEqual(c.tree, tree_sha)
self.assertEqual(c.parents, ['0d89f20333fbb1d2f3a94da77f4981373d8f4310'])
self.assertEqual(c.author,
'James Westby <jw+debian@jameswestby.net>')
self.assertEqual(c.committer,
'James Westby <jw+debian@jameswestby.net>')
self.assertEqual(c.commit_time, 1174759230)
self.assertEqual(c.commit_timezone, 0)
self.assertEqual(c.author_timezone, 0)
self.assertEqual(c.message, 'Test commit\n')
def test_read_commit_no_parents(self):
sha = '0d89f20333fbb1d2f3a94da77f4981373d8f4310'
c = self.commit(sha)
self.assertEqual(c.tree, '90182552c4a85a45ec2a835cadc3451bebdfe870')
self.assertEqual(c.parents, [])
self.assertEqual(c.author,
'James Westby <jw+debian@jameswestby.net>')
self.assertEqual(c.committer,
'James Westby <jw+debian@jameswestby.net>')
self.assertEqual(c.commit_time, 1174758034)
self.assertEqual(c.commit_timezone, 0)
self.assertEqual(c.author_timezone, 0)
self.assertEqual(c.message, 'Test commit\n')
def test_read_commit_two_parents(self):
sha = '5dac377bdded4c9aeb8dff595f0faeebcc8498cc'
c = self.commit(sha)
self.assertEqual(c.tree, 'd80c186a03f423a81b39df39dc87fd269736ca86')
self.assertEqual(c.parents, ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
'4cffe90e0a41ad3f5190079d7c8f036bde29cbe6'])
self.assertEqual(c.author,
'James Westby <jw+debian@jameswestby.net>')
self.assertEqual(c.committer,
'James Westby <jw+debian@jameswestby.net>')
self.assertEqual(c.commit_time, 1174773719)
self.assertEqual(c.commit_timezone, 0)
self.assertEqual(c.author_timezone, 0)
self.assertEqual(c.message, 'Merge ../b\n')
class CommitSerializationTests(unittest.TestCase):
def make_base(self):
c = Commit()
c.tree = 'd80c186a03f423a81b39df39dc87fd269736ca86'
c.parents = ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd', '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6']
c.author = 'James Westby <jw+debian@jameswestby.net>'
c.committer = 'James Westby <jw+debian@jameswestby.net>'
c.commit_time = 1174773719
c.author_time = 1174773719
c.commit_timezone = 0
c.author_timezone = 0
c.message = 'Merge ../b\n'
return c
def test_encoding(self):
c = self.make_base()
c.encoding = "iso8859-1"
self.assertTrue("encoding iso8859-1\n" in c.as_raw_string())
def test_short_timestamp(self):
c = self.make_base()
c.commit_time = 30
c1 = Commit()
c1.set_raw_string(c.as_raw_string())
self.assertEquals(30, c1.commit_time)
def test_raw_length(self):
c = self.make_base()
self.assertEquals(len(c.as_raw_string()), c._raw_length())
def test_simple(self):
c = self.make_base()
self.assertEquals(c.id, '5dac377bdded4c9aeb8dff595f0faeebcc8498cc')
self.assertEquals(
'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
'\n'
'Merge ../b\n', c.as_raw_string())
def test_timezone(self):
c = self.make_base()
c.commit_timezone = 5 * 60
self.assertTrue(" +0005\n" in c.as_raw_string())
def test_neg_timezone(self):
c = self.make_base()
c.commit_timezone = -1 * 3600
self.assertTrue(" -0100\n" in c.as_raw_string())
class CommitDeserializationTests(unittest.TestCase):
def test_simple(self):
c = Commit.from_string(
'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
'\n'
'Merge ../b\n')
self.assertEquals('Merge ../b\n', c.message)
self.assertEquals('James Westby <jw+debian@jameswestby.net>',
c.author)
self.assertEquals('James Westby <jw+debian@jameswestby.net>',
c.committer)
self.assertEquals('d80c186a03f423a81b39df39dc87fd269736ca86',
c.tree)
self.assertEquals(['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
'4cffe90e0a41ad3f5190079d7c8f036bde29cbe6'],
c.parents)
def test_custom(self):
c = Commit.from_string(
'tree d80c186a03f423a81b39df39dc87fd269736ca86\n'
'parent ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd\n'
'parent 4cffe90e0a41ad3f5190079d7c8f036bde29cbe6\n'
'author James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
'committer James Westby <jw+debian@jameswestby.net> 1174773719 +0000\n'
'extra-field data\n'
'\n'
'Merge ../b\n')
self.assertEquals([('extra-field', 'data')], c.extra)
class TreeSerializationTests(unittest.TestCase):
def test_simple(self):
myhexsha = "d80c186a03f423a81b39df39dc87fd269736ca86"
x = Tree()
x["myname"] = (0100755, myhexsha)
self.assertEquals('100755 myname\0' + hex_to_sha(myhexsha),
x.as_raw_string())
def test_tree_dir_sort(self):
x = Tree()
x["a.c"] = (0100755, "d80c186a03f423a81b39df39dc87fd269736ca86")
x["a"] = (stat.S_IFDIR, "d80c186a03f423a81b39df39dc87fd269736ca86")
x["a/c"] = (stat.S_IFDIR, "d80c186a03f423a81b39df39dc87fd269736ca86")
self.assertEquals(["a.c", "a", "a/c"], [p[0] for p in x.iteritems()])
class TagSerializeTests(unittest.TestCase):
def test_serialize_simple(self):
x = Tag()
x.tagger = "Jelmer Vernooij <jelmer@samba.org>"
x.name = "0.1"
x.message = "Tag 0.1"
x.object = (3, "d80c186a03f423a81b39df39dc87fd269736ca86")
x.tag_time = 423423423
x.tag_timezone = 0
self.assertEquals("""object d80c186a03f423a81b39df39dc87fd269736ca86
type blob
tag 0.1
tagger Jelmer Vernooij <jelmer@samba.org> 423423423 +0000
Tag 0.1""", x.as_raw_string())
class TagParseTests(unittest.TestCase):
def test_parse_ctime(self):
x = Tag()
x.set_raw_string("""object a38d6181ff27824c79fc7df825164a212eff6a3f
type commit
tag v2.6.22-rc7
tagger Linus Torvalds <torvalds@woody.linux-foundation.org> Sun Jul 1 12:54:34 2007 -0700
Linux 2.6.22-rc7
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.7 (GNU/Linux)
iD8DBQBGiAaAF3YsRnbiHLsRAitMAKCiLboJkQECM/jpYsY3WPfvUgLXkACgg3ql
OK2XeQOiEeXtT76rV4t2WR4=
=ivrA
-----END PGP SIGNATURE-----
""")
self.assertEquals("Linus Torvalds <torvalds@woody.linux-foundation.org>", x.tagger)
self.assertEquals("v2.6.22-rc7", x.name)
def test_parse_no_tagger(self):
x = Tag()
x.set_raw_string("""object a38d6181ff27824c79fc7df825164a212eff6a3f
type commit
tag v2.6.22-rc7
Linux 2.6.22-rc7
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.7 (GNU/Linux)
iD8DBQBGiAaAF3YsRnbiHLsRAitMAKCiLboJkQECM/jpYsY3WPfvUgLXkACgg3ql
OK2XeQOiEeXtT76rV4t2WR4=
=ivrA
-----END PGP SIGNATURE-----
""")
self.assertEquals(None, x.tagger)
self.assertEquals("v2.6.22-rc7", x.name)
class TimezoneTests(unittest.TestCase):
def test_parse_timezone_utc(self):
self.assertEquals(0, parse_timezone("+0000"))
def test_generate_timezone_utc(self):
self.assertEquals("+0000", format_timezone(0))
def test_parse_timezone_cet(self):
self.assertEquals(60 * 60, parse_timezone("+0100"))
def test_format_timezone_cet(self):
self.assertEquals("+0100", format_timezone(60 * 60))
def test_format_timezone_pdt(self):
self.assertEquals("-0400", format_timezone(-4 * 60 * 60))
def test_parse_timezone_pdt(self):
self.assertEquals(-4 * 60 * 60, parse_timezone("-0400"))
def test_format_timezone_pdt_half(self):
self.assertEquals("-0440", format_timezone(int(((-4 * 60) - 40) * 60)))
def test_parse_timezone_pdt_half(self):
self.assertEquals(((-4 * 60) - 40) * 60, parse_timezone("-0440"))

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