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# Copyright (C) 2004, 2005, 2007 Canonical Ltd
#
# 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
"""Tests for branch.pull behaviour."""
import os
from bzrlib.branch import Branch, BzrBranchFormat5
from bzrlib.bzrdir import BzrDir
from bzrlib import errors
from bzrlib.memorytree import MemoryTree
from bzrlib.revision import NULL_REVISION
from bzrlib.tests.branch_implementations.test_branch import TestCaseWithBranch
class TestPull(TestCaseWithBranch):
def test_pull_convergence_simple(self):
# when revisions are pulled, the left-most accessible parents must
# become the revision-history.
parent = self.make_branch_and_tree('parent')
parent.commit('1st post', rev_id='P1', allow_pointless=True)
mine = parent.bzrdir.sprout('mine').open_workingtree()
mine.commit('my change', rev_id='M1', allow_pointless=True)
parent.merge_from_branch(mine.branch)
parent.commit('merge my change', rev_id='P2')
mine.pull(parent.branch)
self.assertEqual(['P1', 'P2'], mine.branch.revision_history())
def test_pull_merged_indirect(self):
# it should be possible to do a pull from one branch into another
# when the tip of the target was merged into the source branch
# via a third branch - so its buried in the ancestry and is not
# directly accessible.
parent = self.make_branch_and_tree('parent')
parent.commit('1st post', rev_id='P1', allow_pointless=True)
mine = parent.bzrdir.sprout('mine').open_workingtree()
mine.commit('my change', rev_id='M1', allow_pointless=True)
other = parent.bzrdir.sprout('other').open_workingtree()
other.merge_from_branch(mine.branch)
other.commit('merge my change', rev_id='O2')
parent.merge_from_branch(other.branch)
parent.commit('merge other', rev_id='P2')
mine.pull(parent.branch)
self.assertEqual(['P1', 'P2'], mine.branch.revision_history())
def test_pull_updates_checkout_and_master(self):
"""Pulling into a checkout updates the checkout and the master branch"""
master_tree = self.make_branch_and_tree('master')
rev1 = master_tree.commit('master')
checkout = master_tree.branch.create_checkout('checkout')
other = master_tree.branch.bzrdir.sprout('other').open_workingtree()
rev2 = other.commit('other commit')
# now pull, which should update both checkout and master.
checkout.branch.pull(other.branch)
self.assertEqual([rev1, rev2], checkout.branch.revision_history())
self.assertEqual([rev1, rev2], master_tree.branch.revision_history())
def test_pull_raises_specific_error_on_master_connection_error(self):
master_tree = self.make_branch_and_tree('master')
checkout = master_tree.branch.create_checkout('checkout')
other = master_tree.branch.bzrdir.sprout('other').open_workingtree()
# move the branch out of the way on disk to cause a connection
# error.
os.rename('master', 'master_gone')
# try to pull, which should raise a BoundBranchConnectionFailure.
self.assertRaises(errors.BoundBranchConnectionFailure,
checkout.branch.pull, other.branch)
def test_pull_returns_result(self):
parent = self.make_branch_and_tree('parent')
parent.commit('1st post', rev_id='P1')
mine = parent.bzrdir.sprout('mine').open_workingtree()
mine.commit('my change', rev_id='M1')
result = parent.branch.pull(mine.branch)
self.assertIsNot(None, result)
self.assertIs(mine.branch, result.source_branch)
self.assertIs(parent.branch, result.target_branch)
self.assertIs(parent.branch, result.master_branch)
self.assertIs(None, result.local_branch)
self.assertEqual(1, result.old_revno)
self.assertEqual('P1', result.old_revid)
self.assertEqual(2, result.new_revno)
self.assertEqual('M1', result.new_revid)
self.assertEqual(None, result.tag_conflicts)
def test_pull_overwrite(self):
tree_a = self.make_branch_and_tree('tree_a')
tree_a.commit('message 1')
tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
tree_a.commit('message 2', rev_id='rev2a')
tree_b.commit('message 2', rev_id='rev2b')
self.assertRaises(errors.DivergedBranches, tree_a.pull, tree_b.branch)
self.assertRaises(errors.DivergedBranches,
tree_a.branch.pull, tree_b.branch,
overwrite=False, stop_revision='rev2b')
# It should not have updated the branch tip, but it should have fetched
# the revision
self.assertEqual('rev2a', tree_a.branch.last_revision())
self.assertTrue(tree_a.branch.repository.has_revision('rev2b'))
tree_a.branch.pull(tree_b.branch, overwrite=True,
stop_revision='rev2b')
self.assertEqual('rev2b', tree_a.branch.last_revision())
self.assertEqual(tree_b.branch.revision_history(),
tree_a.branch.revision_history())
class TestPullHook(TestCaseWithBranch):
def setUp(self):
self.hook_calls = []
TestCaseWithBranch.setUp(self)
def capture_post_pull_hook(self, result):
"""Capture post pull hook calls to self.hook_calls.
The call is logged, as is some state of the two branches.
"""
if result.local_branch:
local_locked = result.local_branch.is_locked()
local_base = result.local_branch.base
else:
local_locked = None
local_base = None
self.hook_calls.append(
('post_pull', result.source_branch, local_base,
result.master_branch.base, result.old_revno,
result.old_revid,
result.new_revno, result.new_revid,
result.source_branch.is_locked(), local_locked,
result.master_branch.is_locked()))
def test_post_pull_empty_history(self):
target = self.make_branch('target')
source = self.make_branch('source')
Branch.hooks.install_named_hook('post_pull',
self.capture_post_pull_hook, None)
target.pull(source)
# with nothing there we should still get a notification, and
# have both branches locked at the notification time.
self.assertEqual([
('post_pull', source, None, target.base, 0, NULL_REVISION,
0, NULL_REVISION, True, None, True)
],
self.hook_calls)
def test_post_pull_bound_branch(self):
# pulling to a bound branch should pass in the master branch to the
# hook, allowing the correct number of emails to be sent, while still
# allowing hooks that want to modify the target to do so to both
# instances.
target = self.make_branch('target')
local = self.make_branch('local')
try:
local.bind(target)
except errors.UpgradeRequired:
# We can't bind this format to itself- typically it is the local
# branch that doesn't support binding. As of May 2007
# remotebranches can't be bound. Let's instead make a new local
# branch of the default type, which does allow binding.
# See https://bugs.launchpad.net/bzr/+bug/112020
local = BzrDir.create_branch_convenience('local2')
local.bind(target)
source = self.make_branch('source')
Branch.hooks.install_named_hook('post_pull',
self.capture_post_pull_hook, None)
local.pull(source)
# with nothing there we should still get a notification, and
# have both branches locked at the notification time.
self.assertEqual([
('post_pull', source, local.base, target.base, 0, NULL_REVISION,
0, NULL_REVISION, True, True, True)
],
self.hook_calls)
def test_post_pull_nonempty_history(self):
target = self.make_branch_and_memory_tree('target')
target.lock_write()
target.add('')
rev1 = target.commit('rev 1')
target.unlock()
sourcedir = target.bzrdir.clone(self.get_url('source'))
source = MemoryTree.create_on_branch(sourcedir.open_branch())
rev2 = source.commit('rev 2')
Branch.hooks.install_named_hook('post_pull',
self.capture_post_pull_hook, None)
target.branch.pull(source.branch)
# with nothing there we should still get a notification, and
# have both branches locked at the notification time.
self.assertEqual([
('post_pull', source.branch, None, target.branch.base, 1, rev1,
2, rev2, True, None, True)
],
self.hook_calls)
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