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# 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
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')
if sys.platform not in ('win32', 'cygwin'):
# This is equivalent to doing "bzr pull ."
# Which means that bzr creates 2 branches grabbing
# the same location, and tries to pull.
# However, 2 branches mean 2 locks on the same file
# which ultimately implies a deadlock.
# (non windows platforms allow multiple locks on the
# same file by the same calling process)
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)
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