1
# (C) 2005 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
from bzrlib.tests import TestCaseInTempDir
26
return sha.new(t).hexdigest()
32
if sys.platform in ('win32', 'cygwin'):
35
# allow it to stabilize
36
start = int(time.time())
37
while int(time.time()) == start:
41
class TestHashCache(TestCaseInTempDir):
43
def test_hashcache(self):
44
"""Functional tests for hashcache"""
45
from bzrlib.hashcache import HashCache
48
# make a dummy bzr directory just to hold the cache
52
file('foo', 'wb').write('hello')
56
self.assertEquals(hc.get_sha1('foo'),
57
'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d')
58
self.assertEquals(hc.miss_count, 1)
59
self.assertEquals(hc.hit_count, 0)
61
# check we hit without re-reading
62
self.assertEquals(hc.get_sha1('foo'),
63
'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d')
64
##self.assertEquals(hc.miss_count, 1)
65
##self.assertEquals(hc.hit_count, 1)
67
# check again without re-reading
68
self.assertEquals(hc.get_sha1('foo'),
69
'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d')
70
##self.assertEquals(hc.miss_count, 1)
71
##self.assertEquals(hc.hit_count, 2)
73
# write new file and make sure it is seen
74
file('foo', 'wb').write('goodbye')
76
self.assertEquals(hc.get_sha1('foo'),
77
'3c8ec4874488f6090a157b014ce3397ca8e06d4f')
78
##self.assertEquals(hc.miss_count, 2)
80
# quickly write new file of same size and make sure it is seen
81
# this may rely on detection of timestamps that are too close
83
file('foo', 'wb').write('g00dbye')
84
self.assertEquals(hc.get_sha1('foo'),
87
file('foo2', 'wb').write('other file')
88
self.assertEquals(hc.get_sha1('foo2'), sha1('other file'))
91
self.assertEquals(hc.get_sha1('foo2'), None)
93
file('foo2', 'wb').write('new content')
94
self.assertEquals(hc.get_sha1('foo2'), sha1('new content'))
96
self.assertEquals(hc.get_sha1('subdir'), None)
98
# it's likely neither are cached at the moment because they
99
# changed recently, but we can't be sure
102
# should now be safe to cache it if we reread them
103
self.assertEquals(hc.get_sha1('foo'), sha1('g00dbye'))
104
##self.assertEquals(len(hc._cache), 1)
105
self.assertEquals(hc.get_sha1('foo2'), sha1('new content'))
106
##self.assertEquals(len(hc._cache), 2)
108
# write out, read back in and check that we don't need to
116
##self.assertEquals(len(hc._cache), 2)
117
self.assertEquals(hc.get_sha1('foo'), sha1('g00dbye'))
118
##self.assertEquals(hc.hit_count, 1)
119
##self.assertEquals(hc.miss_count, 0)
120
self.assertEquals(hc.get_sha1('foo2'), sha1('new content'))