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# Copyright (C) 2005 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])
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