1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
# Copyright (C) 2012-2014 Codethink Limited
#
# 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.
#
# 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.
import logging
import os
import unittest
import fs.tempfs
import cliapp
import morphlib
import morphlib.gitdir_tests
class FakeApplication(object):
def __init__(self):
self.settings = {
'verbose': True
}
class CachedRepoTests(unittest.TestCase):
known_commit = 'a4da32f5a81c8bc6d660404724cedc3bc0914a75'
bad_sha1_known_to_rev_parse = 'cafecafecafecafecafecafecafecafecafecafe'
def rev_parse(self, ref):
output = {
self.bad_sha1_known_to_rev_parse: self.bad_sha1_known_to_rev_parse,
'a4da32f5a81c8bc6d660404724cedc3bc0914a75':
'a4da32f5a81c8bc6d660404724cedc3bc0914a75',
'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9':
'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
'master': 'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
'baserock/morph': '8b780e2e6f102fcf400ff973396566d36d730501'
}
ref = ref.rstrip('^{commit}')
try:
return output[ref]
except KeyError:
raise cliapp.AppException('git rev-parse --verify %s' % ref)
def copy_repository(self, source_dir, target_dir):
if target_dir.endswith('failed-checkout'):
raise morphlib.cachedrepo.CopyError(self.repo, target_dir)
def checkout_ref(self, ref, target_dir):
if ref == '079bbfd447c8534e464ce5d40b80114c2022ebf4':
raise morphlib.cachedrepo.CheckoutError(self.repo, ref, target_dir)
else:
with open(os.path.join(target_dir, 'foo.morph'), 'w') as f:
f.write('contents of foo.morph')
def clone_into(self, target_dir, ref):
if target_dir.endswith('failed-checkout'):
raise morphlib.cachedrepo.CloneError(self.repo, target_dir)
self.clone_target = target_dir
self.clone_ref = ref
def update_successfully(self, **kwargs):
pass
def update_with_failure(self, **kwargs):
raise cliapp.AppException('git remote update origin')
def setUp(self):
self.repo_name = 'foo'
self.repo_url = 'git://foo.bar/foo.git'
self.repo_path = '/tmp/foo'
with morphlib.gitdir_tests.allow_nonexistant_git_repos():
self.repo = morphlib.cachedrepo.CachedRepo(
FakeApplication(), self.repo_name, self.repo_url,
self.repo_path)
self.tempfs = fs.tempfs.TempFS()
def test_constructor_sets_name_and_url_and_path(self):
self.assertEqual(self.repo.original_name, self.repo_name)
self.assertEqual(self.repo.url, self.repo_url)
self.assertEqual(self.repo.path, self.repo_path)
def test_fail_clone_checkout_into_existing_directory(self):
self.repo._gitdir.checkout = self.checkout_ref
self.repo._clone_into = self.clone_into
self.assertRaises(morphlib.cachedrepo.CheckoutDirectoryExistsError,
self.repo.clone_checkout,
'e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
self.tempfs.root_path)
def test_fail_checkout_due_to_clone_error(self):
self.repo._gitdir._rev_parse = self.rev_parse
self.repo._clone_into = self.clone_into
self.assertRaises(
morphlib.cachedrepo.CloneError, self.repo.clone_checkout,
'a4da32f5a81c8bc6d660404724cedc3bc0914a75',
self.tempfs.getsyspath('failed-checkout'))
def test_fail_checkout_due_to_copy_error(self):
self.repo._gitdir._rev_parse = self.rev_parse
self.repo._copy_repository = self.copy_repository
self.assertRaises(morphlib.cachedrepo.CopyError, self.repo.checkout,
'a4da32f5a81c8bc6d660404724cedc3bc0914a75',
self.tempfs.getsyspath('failed-checkout'))
def test_fail_checkout_from_invalid_ref(self):
self.repo._gitdir._rev_parse = self.rev_parse
self.repo._copy_repository = self.copy_repository
self.repo._checkout_ref_in_clone = self.checkout_ref
self.assertRaises(
morphlib.cachedrepo.CheckoutError, self.repo.checkout,
'079bbfd447c8534e464ce5d40b80114c2022ebf4',
self.tempfs.getsyspath('checkout-from-invalid-ref'))
def test_checkout_from_existing_ref_into_new_directory(self):
self.repo._gitdir._rev_parse = self.rev_parse
self.repo._copy_repository = self.copy_repository
self.repo._checkout_ref_in_clone = self.checkout_ref
unpack_dir = self.tempfs.getsyspath('unpack-dir')
self.repo.checkout('e28a23812eadf2fce6583b8819b9c5dbd36b9fb9',
unpack_dir)
self.assertTrue(os.path.exists(unpack_dir))
morph_filename = os.path.join(unpack_dir, 'foo.morph')
self.assertTrue(os.path.exists(morph_filename))
def test_successful_update(self):
self.repo._gitdir.update_remotes = self.update_successfully
self.repo.update()
def test_failing_update(self):
self.repo._gitdir.update_remotes = self.update_with_failure
self.assertRaises(morphlib.cachedrepo.UpdateError, self.repo.update)
def test_no_update_if_local(self):
with morphlib.gitdir_tests.allow_nonexistant_git_repos():
self.repo = morphlib.cachedrepo.CachedRepo(
object(), 'local:repo', 'file:///local/repo/', '/local/repo/')
self.repo._gitdir.update_remotes = self.update_with_failure
self.repo._gitdir._rev_parse = self.rev_parse
self.assertFalse(self.repo.requires_update_for_ref(self.known_commit))
self.repo.update()
def test_clone_checkout(self):
self.repo._gitdir._rev_parse = self.rev_parse
self.repo._clone_into = self.clone_into
self.repo.clone_checkout('master', '/.DOES_NOT_EXIST')
self.assertEqual(self.clone_target, '/.DOES_NOT_EXIST')
self.assertEqual(self.clone_ref, 'master')
def test_no_need_to_update_repo_for_existing_sha1(self):
# If the SHA1 is present locally already there's no need to update.
# If it's a named ref then it might have changed in the remote, so we
# must still update.
self.repo._gitdir._rev_parse = self.rev_parse
self.assertFalse(self.repo.requires_update_for_ref(self.known_commit))
self.assertTrue(self.repo.requires_update_for_ref('named_ref'))
def test_no_need_to_update_repo_if_already_updated(self):
self.repo._gitdir.update_remotes = self.update_successfully
self.repo._gitdir._rev_parse = self.rev_parse
self.assertTrue(self.repo.requires_update_for_ref('named_ref'))
self.repo.update()
self.assertFalse(self.repo.requires_update_for_ref('named_ref'))
|