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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
# Copyright (C) 2005 by Canonical Ltd
# -*- coding: utf-8 -*-
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Black-box tests for bzr pull."""
import os
import sys
from bzrlib.branch import Branch
from bzrlib.tests.blackbox import ExternalBase
from bzrlib.uncommit import uncommit
class TestPull(ExternalBase):
def example_branch(test):
test.runbzr('init')
file('hello', 'wt').write('foo')
test.runbzr('add hello')
test.runbzr('commit -m setup hello')
file('goodbye', 'wt').write('baz')
test.runbzr('add goodbye')
test.runbzr('commit -m setup goodbye')
def test_pull(self):
"""Pull changes from one branch to another."""
os.mkdir('a')
os.chdir('a')
self.example_branch()
self.runbzr('pull', retcode=3)
self.runbzr('missing', retcode=3)
self.runbzr('missing .')
self.runbzr('missing')
# this will work on windows because we check for the same branch
# in pull - if it fails, it is a regression
self.runbzr('pull')
self.runbzr('pull /', retcode=3)
if sys.platform not in ('win32', 'cygwin'):
self.runbzr('pull')
os.chdir('..')
self.runbzr('branch a b')
os.chdir('b')
self.runbzr('pull')
os.mkdir('subdir')
self.runbzr('add subdir')
self.runbzr('commit -m blah --unchanged')
os.chdir('../a')
a = Branch.open('.')
b = Branch.open('../b')
self.assertEquals(a.revision_history(), b.revision_history()[:-1])
self.runbzr('pull ../b')
self.assertEquals(a.revision_history(), b.revision_history())
self.runbzr('commit -m blah2 --unchanged')
os.chdir('../b')
self.runbzr('commit -m blah3 --unchanged')
# no overwrite
self.runbzr('pull ../a', retcode=3)
os.chdir('..')
self.runbzr('branch b overwriteme')
os.chdir('overwriteme')
self.runbzr('pull --overwrite ../a')
overwritten = Branch.open('.')
self.assertEqual(overwritten.revision_history(),
a.revision_history())
os.chdir('../a')
self.runbzr('merge ../b')
self.runbzr('commit -m blah4 --unchanged')
os.chdir('../b/subdir')
self.runbzr('pull ../../a')
self.assertEquals(a.revision_history()[-1], b.revision_history()[-1])
self.runbzr('commit -m blah5 --unchanged')
self.runbzr('commit -m blah6 --unchanged')
os.chdir('..')
self.runbzr('pull ../a')
os.chdir('../a')
self.runbzr('commit -m blah7 --unchanged')
self.runbzr('merge ../b')
self.runbzr('commit -m blah8 --unchanged')
self.runbzr('pull ../b')
self.runbzr('pull ../b')
def test_pull_revision(self):
"""Pull some changes from one branch to another."""
os.mkdir('a')
os.chdir('a')
self.example_branch()
file('hello2', 'wt').write('foo')
self.runbzr('add hello2')
self.runbzr('commit -m setup hello2')
file('goodbye2', 'wt').write('baz')
self.runbzr('add goodbye2')
self.runbzr('commit -m setup goodbye2')
os.chdir('..')
self.runbzr('branch -r 1 a b')
os.chdir('b')
self.runbzr('pull -r 2')
a = Branch.open('../a')
b = Branch.open('.')
self.assertEquals(a.revno(),4)
self.assertEquals(b.revno(),2)
self.runbzr('pull -r 3')
self.assertEquals(b.revno(),3)
self.runbzr('pull -r 4')
self.assertEquals(a.revision_history(), b.revision_history())
def test_overwrite_uptodate(self):
# Make sure pull --overwrite overwrites
# even if the target branch has merged
# everything already.
bzr = self.run_bzr
def get_rh(expected_len):
rh = self.capture('revision-history')
# Make sure we don't have trailing empty revisions
rh = rh.strip().split('\n')
self.assertEqual(len(rh), expected_len)
return rh
os.mkdir('a')
os.chdir('a')
bzr('init')
open('foo', 'wb').write('original\n')
bzr('add', 'foo')
bzr('commit', '-m', 'initial commit')
os.chdir('..')
bzr('branch', 'a', 'b')
os.chdir('a')
open('foo', 'wb').write('changed\n')
bzr('commit', '-m', 'later change')
open('foo', 'wb').write('another\n')
bzr('commit', '-m', 'a third change')
rev_history_a = get_rh(3)
os.chdir('../b')
bzr('merge', '../a')
bzr('commit', '-m', 'merge')
rev_history_b = get_rh(2)
bzr('pull', '--overwrite', '../a')
rev_history_b = get_rh(3)
self.assertEqual(rev_history_b, rev_history_a)
def test_overwrite_children(self):
# Make sure pull --overwrite sets the revision-history
# to be identical to the pull source, even if we have convergence
bzr = self.run_bzr
def get_rh(expected_len):
rh = self.capture('revision-history')
# Make sure we don't have trailing empty revisions
rh = rh.strip().split('\n')
self.assertEqual(len(rh), expected_len)
return rh
os.mkdir('a')
os.chdir('a')
bzr('init')
open('foo', 'wb').write('original\n')
bzr('add', 'foo')
bzr('commit', '-m', 'initial commit')
os.chdir('..')
bzr('branch', 'a', 'b')
os.chdir('a')
open('foo', 'wb').write('changed\n')
bzr('commit', '-m', 'later change')
open('foo', 'wb').write('another\n')
bzr('commit', '-m', 'a third change')
rev_history_a = get_rh(3)
os.chdir('../b')
bzr('merge', '../a')
bzr('commit', '-m', 'merge')
rev_history_b = get_rh(2)
os.chdir('../a')
open('foo', 'wb').write('a fourth change\n')
bzr('commit', '-m', 'a fourth change')
rev_history_a = get_rh(4)
# With convergence, we could just pull over the
# new change, but with --overwrite, we want to switch our history
os.chdir('../b')
bzr('pull', '--overwrite', '../a')
rev_history_b = get_rh(4)
self.assertEqual(rev_history_b, rev_history_a)
def test_pull_remember(self):
"""Pull changes from one branch to another and test parent location."""
transport = self.get_transport()
tree_a = self.make_branch_and_tree('branch_a')
branch_a = tree_a.branch
self.build_tree(['branch_a/a'])
tree_a.add('a')
tree_a.commit('commit a')
tree_b = branch_a.bzrdir.sprout('branch_b').open_workingtree()
branch_b = tree_b.branch
tree_c = branch_a.bzrdir.sprout('branch_c').open_workingtree()
branch_c = tree_c.branch
self.build_tree(['branch_a/b'])
tree_a.add('b')
tree_a.commit('commit b')
# reset parent
parent = branch_b.get_parent()
branch_b.set_parent(None)
self.assertEqual(None, branch_b.get_parent())
# test pull for failure without parent set
os.chdir('branch_b')
out = self.runbzr('pull', retcode=3)
self.assertEquals(out,
('','bzr: ERROR: No pull location known or specified.\n'))
# test implicit --remember when no parent set, this pull conflicts
self.build_tree(['d'])
tree_b.add('d')
tree_b.commit('commit d')
out = self.runbzr('pull ../branch_a', retcode=3)
self.assertEquals(out,
('','bzr: ERROR: These branches have diverged. Use the merge command to reconcile them.\n'))
self.assertEquals(branch_b.get_parent(), parent)
# test implicit --remember after resolving previous failure
uncommit(branch=branch_b, tree=tree_b)
transport.delete('branch_b/d')
self.runbzr('pull')
self.assertEquals(branch_b.get_parent(), parent)
# test explicit --remember
self.runbzr('pull ../branch_c --remember')
self.assertEquals(branch_b.get_parent(),
branch_c.bzrdir.root_transport.base)
def test_pull_bundle(self):
from bzrlib.testament import Testament
# Build up 2 trees and prepare for a pull
tree_a = self.make_branch_and_tree('branch_a')
f = open('branch_a/a', 'wb')
f.write('hello')
f.close()
tree_a.add('a')
tree_a.commit('message')
tree_b = tree_a.bzrdir.sprout('branch_b').open_workingtree()
# Make a change to 'a' that 'b' can pull
f = open('branch_a/a', 'wb')
f.write('hey there')
f.close()
tree_a.commit('message')
# Create the bundle for 'b' to pull
os.chdir('branch_a')
bundle_file = open('../bundle', 'wb')
bundle_file.write(self.run_bzr('bundle', '../branch_b')[0])
bundle_file.close()
os.chdir('../branch_b')
output = self.run_bzr('pull', '../bundle')
self.assertEqual('', output[0])
self.assertEqual('All changes applied successfully.\n'
'1 revision(s) pulled.\n', output[1])
self.assertEqualDiff(tree_a.branch.revision_history(),
tree_b.branch.revision_history())
testament_a = Testament.from_revision(tree_a.branch.repository,
tree_a.get_parent_ids()[0])
testament_b = Testament.from_revision(tree_b.branch.repository,
tree_b.get_parent_ids()[0])
self.assertEqualDiff(testament_a.as_text(),
testament_b.as_text())
# it is legal to attempt to pull an already-merged bundle
output = self.run_bzr('pull', '../bundle')
self.assertEqual('', output[0])
self.assertEqual('0 revision(s) pulled.\n', output[1])
|