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# Copyright (C) 2005 by Canonical Ltd
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# -*- coding: utf-8 -*-
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# Copyright (C) 2005-2010 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Black-box tests for bzr pull.
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Black-box tests for bzr pull."""
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from bzrlib.branch import Branch
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from bzrlib.osutils import abspath
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from bzrlib.directory_service import directories
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from bzrlib.osutils import pathjoin
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from bzrlib.tests.blackbox import ExternalBase
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from bzrlib.uncommit import uncommit
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from bzrlib.workingtree import WorkingTree
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class TestPull(ExternalBase):
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def example_branch(test):
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file('hello', 'wt').write('foo')
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test.runbzr('add hello')
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test.runbzr('commit -m setup hello')
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file('goodbye', 'wt').write('baz')
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test.runbzr('add goodbye')
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test.runbzr('commit -m setup goodbye')
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def example_branch(self, path='.'):
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tree = self.make_branch_and_tree(path)
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self.build_tree_contents([
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(pathjoin(path, 'hello'), 'foo'),
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(pathjoin(path, 'goodbye'), 'baz')])
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tree.commit(message='setup')
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tree.commit(message='setup')
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def test_pull(self):
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"""Pull changes from one branch to another."""
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a_tree = self.example_branch('a')
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self.runbzr('pull', retcode=3)
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self.runbzr('missing', retcode=3)
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self.runbzr('missing .')
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self.runbzr('missing')
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if sys.platform not in ('win32', 'cygwin'):
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# This is equivalent to doing "bzr pull ."
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# Which means that bzr creates 2 branches grabbing
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# the same location, and tries to pull.
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# However, 2 branches mean 2 locks on the same file
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# which ultimately implies a deadlock.
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# (non windows platforms allow multiple locks on the
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# same file by the same calling process)
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self.runbzr('pull /', retcode=3)
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if sys.platform not in ('win32', 'cygwin'):
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self.run_bzr('pull', retcode=3)
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self.run_bzr('missing', retcode=3)
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self.run_bzr('missing .')
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self.run_bzr('missing')
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# this will work on windows because we check for the same branch
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# in pull - if it fails, it is a regression
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self.run_bzr('pull /', retcode=3)
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if sys.platform not in ('win32', 'cygwin'):
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self.runbzr('branch a b')
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b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
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self.runbzr('add subdir')
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self.runbzr('commit -m blah --unchanged')
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b = Branch.open('../b')
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self.assertEquals(a.revision_history(), b.revision_history()[:-1])
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self.runbzr('pull ../b')
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self.assertEquals(a.revision_history(), b.revision_history())
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self.runbzr('commit -m blah2 --unchanged')
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self.runbzr('commit -m blah3 --unchanged')
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b_tree.commit(message='blah', allow_pointless=True)
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self.assertEqual(a.revision_history(), b.revision_history()[:-1])
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self.run_bzr('pull ../b')
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self.assertEqual(a.revision_history(), b.revision_history())
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a_tree.commit(message='blah2', allow_pointless=True)
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b_tree.commit(message='blah3', allow_pointless=True)
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self.runbzr('pull ../a', retcode=3)
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self.run_bzr('pull ../a', retcode=3)
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self.runbzr('branch b overwriteme')
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b_tree.bzrdir.sprout('overwriteme')
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os.chdir('overwriteme')
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self.runbzr('pull --overwrite ../a')
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self.run_bzr('pull --overwrite ../a')
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overwritten = Branch.open('.')
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self.assertEqual(overwritten.revision_history(),
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a.revision_history())
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self.runbzr('merge ../b')
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self.runbzr('commit -m blah4 --unchanged')
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a_tree.merge_from_branch(b_tree.branch)
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a_tree.commit(message="blah4", allow_pointless=True)
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os.chdir('../b/subdir')
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self.runbzr('pull ../../a')
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self.assertEquals(a.revision_history()[-1], b.revision_history()[-1])
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self.runbzr('commit -m blah5 --unchanged')
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self.runbzr('commit -m blah6 --unchanged')
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self.run_bzr('pull ../../a')
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self.assertEqual(a.revision_history()[-1], b.revision_history()[-1])
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sub_tree = WorkingTree.open_containing('.')[0]
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sub_tree.commit(message="blah5", allow_pointless=True)
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sub_tree.commit(message="blah6", allow_pointless=True)
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self.runbzr('pull ../a')
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self.run_bzr('pull ../a')
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self.runbzr('commit -m blah7 --unchanged')
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self.runbzr('merge ../b')
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self.runbzr('commit -m blah8 --unchanged')
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self.runbzr('pull ../b')
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self.runbzr('pull ../b')
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a_tree.commit(message="blah7", allow_pointless=True)
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a_tree.merge_from_branch(b_tree.branch)
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a_tree.commit(message="blah8", allow_pointless=True)
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self.run_bzr('pull ../b')
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self.run_bzr('pull ../b')
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def test_pull_dash_d(self):
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self.example_branch('a')
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self.make_branch_and_tree('b')
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self.make_branch_and_tree('c')
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# pull into that branch
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self.run_bzr('pull -d b a')
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# pull into a branch specified by a url
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c_url = urlutils.local_path_to_url('c')
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self.assertStartsWith(c_url, 'file://')
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self.run_bzr(['pull', '-d', c_url, 'a'])
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def test_pull_revision(self):
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"""Pull some changes from one branch to another."""
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self.example_branch()
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file('hello2', 'wt').write('foo')
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self.runbzr('add hello2')
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self.runbzr('commit -m setup hello2')
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file('goodbye2', 'wt').write('baz')
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self.runbzr('add goodbye2')
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self.runbzr('commit -m setup goodbye2')
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self.runbzr('branch -r 1 a b')
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a_tree = self.example_branch('a')
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self.build_tree_contents([
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('a/goodbye2', 'baz')])
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a_tree.commit(message="setup")
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a_tree.add('goodbye2')
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a_tree.commit(message="setup")
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b_tree = a_tree.bzrdir.sprout('b',
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revision_id=a_tree.branch.get_rev_id(1)).open_workingtree()
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self.runbzr('pull -r 2')
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self.run_bzr('pull -r 2')
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a = Branch.open('../a')
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b = Branch.open('.')
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self.assertEquals(a.revno(),4)
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self.assertEquals(b.revno(),2)
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self.runbzr('pull -r 3')
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self.assertEquals(b.revno(),3)
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self.runbzr('pull -r 4')
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self.assertEquals(a.revision_history(), b.revision_history())
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self.assertEqual(a.revno(),4)
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self.assertEqual(b.revno(),2)
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self.run_bzr('pull -r 3')
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self.assertEqual(b.revno(),3)
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self.run_bzr('pull -r 4')
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self.assertEqual(a.revision_history(), b.revision_history())
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def test_overwrite_uptodate(self):
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# Make sure pull --overwrite overwrites
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# even if the target branch has merged
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# everything already.
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def get_rh(expected_len):
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rh = self.capture('revision-history')
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# Make sure we don't have trailing empty revisions
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rh = rh.strip().split('\n')
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self.assertEqual(len(rh), expected_len)
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open('foo', 'wb').write('original\n')
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bzr('commit', '-m', 'initial commit')
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bzr('branch', 'a', 'b')
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open('foo', 'wb').write('changed\n')
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bzr('commit', '-m', 'later change')
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open('foo', 'wb').write('another\n')
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bzr('commit', '-m', 'a third change')
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rev_history_a = get_rh(3)
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bzr('commit', '-m', 'merge')
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rev_history_b = get_rh(2)
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bzr('pull', '--overwrite', '../a')
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rev_history_b = get_rh(3)
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a_tree = self.make_branch_and_tree('a')
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self.build_tree_contents([('a/foo', 'original\n')])
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a_tree.commit(message='initial commit')
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b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
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self.build_tree_contents([('a/foo', 'changed\n')])
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a_tree.commit(message='later change')
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self.build_tree_contents([('a/foo', 'a third change')])
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a_tree.commit(message='a third change')
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rev_history_a = a_tree.branch.revision_history()
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self.assertEqual(len(rev_history_a), 3)
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b_tree.merge_from_branch(a_tree.branch)
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b_tree.commit(message='merge')
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self.assertEqual(len(b_tree.branch.revision_history()), 2)
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self.run_bzr('pull --overwrite ../a')
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rev_history_b = b_tree.branch.revision_history()
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self.assertEqual(len(rev_history_b), 3)
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self.assertEqual(rev_history_b, rev_history_a)
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def test_overwrite_children(self):
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# Make sure pull --overwrite sets the revision-history
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# to be identical to the pull source, even if we have convergence
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def get_rh(expected_len):
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rh = self.capture('revision-history')
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# Make sure we don't have trailing empty revisions
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rh = rh.strip().split('\n')
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self.assertEqual(len(rh), expected_len)
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open('foo', 'wb').write('original\n')
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bzr('commit', '-m', 'initial commit')
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bzr('branch', 'a', 'b')
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open('foo', 'wb').write('changed\n')
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bzr('commit', '-m', 'later change')
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open('foo', 'wb').write('another\n')
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bzr('commit', '-m', 'a third change')
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rev_history_a = get_rh(3)
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bzr('commit', '-m', 'merge')
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rev_history_b = get_rh(2)
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open('foo', 'wb').write('a fourth change\n')
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bzr('commit', '-m', 'a fourth change')
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rev_history_a = get_rh(4)
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a_tree = self.make_branch_and_tree('a')
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self.build_tree_contents([('a/foo', 'original\n')])
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a_tree.commit(message='initial commit')
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b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
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self.build_tree_contents([('a/foo', 'changed\n')])
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a_tree.commit(message='later change')
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self.build_tree_contents([('a/foo', 'a third change')])
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a_tree.commit(message='a third change')
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self.assertEqual(len(a_tree.branch.revision_history()), 3)
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b_tree.merge_from_branch(a_tree.branch)
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b_tree.commit(message='merge')
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self.assertEqual(len(b_tree.branch.revision_history()), 2)
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self.build_tree_contents([('a/foo', 'a fourth change\n')])
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a_tree.commit(message='a fourth change')
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rev_history_a = a_tree.branch.revision_history()
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self.assertEqual(len(rev_history_a), 4)
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# With convergence, we could just pull over the
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# new change, but with --overwrite, we want to switch our history
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bzr('pull', '--overwrite', '../a')
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rev_history_b = get_rh(4)
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self.run_bzr('pull --overwrite ../a')
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rev_history_b = b_tree.branch.revision_history()
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self.assertEqual(len(rev_history_b), 4)
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self.assertEqual(rev_history_b, rev_history_a)
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self.assertEqual(None, branch_b.get_parent())
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# test pull for failure without parent set
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os.chdir('branch_b')
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out = self.runbzr('pull', retcode=3)
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self.assertEquals(out,
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out = self.run_bzr('pull', retcode=3)
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self.assertEqual(out,
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('','bzr: ERROR: No pull location known or specified.\n'))
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# test implicit --remember when no parent set, this pull conflicts
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self.build_tree(['d'])
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tree_b.commit('commit d')
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out = self.runbzr('pull ../branch_a', retcode=3)
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self.assertEquals(out,
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('','bzr: ERROR: These branches have diverged. Try merge.\n'))
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self.assertEquals(abspath(branch_b.get_parent()), abspath(parent))
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out = self.run_bzr('pull ../branch_a', retcode=3)
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self.assertEqual(out,
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('','bzr: ERROR: These branches have diverged.'
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' Use the missing command to see how.\n'
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'Use the merge command to reconcile them.\n'))
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self.assertEqual(branch_b.get_parent(), parent)
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# test implicit --remember after resolving previous failure
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uncommit(branch=branch_b, tree=tree_b)
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transport.delete('branch_b/d')
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self.assertEquals(abspath(branch_b.get_parent()), abspath(parent))
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self.assertEqual(branch_b.get_parent(), parent)
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# test explicit --remember
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self.runbzr('pull ../branch_c --remember')
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self.assertEquals(abspath(branch_b.get_parent()),
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abspath(branch_c.bzrdir.root_transport.base))
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self.run_bzr('pull ../branch_c --remember')
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self.assertEqual(branch_b.get_parent(),
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branch_c.bzrdir.root_transport.base)
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def test_pull_bundle(self):
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from bzrlib.testament import Testament
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# Build up 2 trees and prepare for a pull
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tree_a = self.make_branch_and_tree('branch_a')
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f = open('branch_a/a', 'wb')
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tree_a.commit('message')
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tree_b = tree_a.bzrdir.sprout('branch_b').open_workingtree()
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# Make a change to 'a' that 'b' can pull
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f = open('branch_a/a', 'wb')
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tree_a.commit('message')
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# Create the bundle for 'b' to pull
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self.run_bzr('bundle ../branch_b -o ../bundle')
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os.chdir('../branch_b')
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out, err = self.run_bzr('pull ../bundle')
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self.assertEqual(out,
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'Now on revision 2.\n')
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self.assertEqual(err,
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' M a\nAll changes applied successfully.\n')
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self.assertEqualDiff(tree_a.branch.revision_history(),
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tree_b.branch.revision_history())
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testament_a = Testament.from_revision(tree_a.branch.repository,
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tree_a.get_parent_ids()[0])
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testament_b = Testament.from_revision(tree_b.branch.repository,
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tree_b.get_parent_ids()[0])
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self.assertEqualDiff(testament_a.as_text(),
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testament_b.as_text())
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# it is legal to attempt to pull an already-merged bundle
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out, err = self.run_bzr('pull ../bundle')
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self.assertEqual(err, '')
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self.assertEqual(out, 'No revisions to pull.\n')
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def test_pull_verbose_no_files(self):
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"""Pull --verbose should not list modified files"""
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tree_a = self.make_branch_and_tree('tree_a')
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self.build_tree(['tree_a/foo'])
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tree_b = self.make_branch_and_tree('tree_b')
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out = self.run_bzr('pull --verbose -d tree_b tree_a')[0]
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self.assertContainsRe(out, 'bar')
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self.assertNotContainsRe(out, 'added:')
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self.assertNotContainsRe(out, 'foo')
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def test_pull_quiet(self):
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"""Check that bzr pull --quiet does not print anything"""
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tree_a = self.make_branch_and_tree('tree_a')
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self.build_tree(['tree_a/foo'])
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revision_id = tree_a.commit('bar')
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tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
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out, err = self.run_bzr('pull --quiet -d tree_b')
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self.assertEqual(out, '')
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self.assertEqual(err, '')
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self.assertEqual(tree_b.last_revision(), revision_id)
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self.build_tree(['tree_a/moo'])
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revision_id = tree_a.commit('quack')
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out, err = self.run_bzr('pull --quiet -d tree_b')
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self.assertEqual(out, '')
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self.assertEqual(err, '')
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self.assertEqual(tree_b.last_revision(), revision_id)
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def test_pull_from_directory_service(self):
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source = self.make_branch_and_tree('source')
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source.commit('commit 1')
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target = source.bzrdir.sprout('target').open_workingtree()
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source_last = source.commit('commit 2')
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class FooService(object):
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"""A directory service that always returns source"""
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def look_up(self, name, url):
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directories.register('foo:', FooService, 'Testing directory service')
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self.addCleanup(directories.remove, 'foo:')
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self.run_bzr('pull foo:bar -d target')
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self.assertEqual(source_last, target.last_revision())
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def test_pull_verbose_defaults_to_long(self):
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tree = self.example_branch('source')
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target = self.make_branch_and_tree('target')
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out = self.run_bzr('pull -v source -d target')[0]
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self.assertContainsRe(out,
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r'revno: 1\ncommitter: .*\nbranch nick: source')
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self.assertNotContainsRe(out, r'\n {4}1 .*\n {6}setup\n')
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def test_pull_verbose_uses_default_log(self):
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tree = self.example_branch('source')
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target = self.make_branch_and_tree('target')
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target_config = target.branch.get_config()
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target_config.set_user_option('log_format', 'short')
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out = self.run_bzr('pull -v source -d target')[0]
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self.assertContainsRe(out, r'\n {4}1 .*\n {6}setup\n')
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self.assertNotContainsRe(
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out, r'revno: 1\ncommitter: .*\nbranch nick: source')
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def test_pull_smart_stacked_streaming_acceptance(self):
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"""'bzr pull -r 123' works on stacked, smart branches, even when the
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revision specified by the revno is only present in the fallback
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See <https://launchpad.net/bugs/380314>
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self.setup_smart_server_with_call_log()
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# Make a stacked-on branch with two commits so that the
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# revision-history can't be determined just by looking at the parent
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# field in the revision in the stacked repo.
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parent = self.make_branch_and_tree('parent', format='1.9')
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parent.commit(message='first commit')
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parent.commit(message='second commit')
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local = parent.bzrdir.sprout('local').open_workingtree()
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local.commit(message='local commit')
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local.branch.create_clone_on_transport(
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self.get_transport('stacked'), stacked_on=self.get_url('parent'))
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empty = self.make_branch_and_tree('empty', format='1.9')
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self.reset_smart_call_log()
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self.run_bzr(['pull', '-r', '1', self.get_url('stacked')],
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# This figure represent the amount of work to perform this use case. It
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# is entirely ok to reduce this number if a test fails due to rpc_count
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# being too low. If rpc_count increases, more network roundtrips have
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# become necessary for this use case. Please do not adjust this number
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# upwards without agreement from bzr's network support maintainers.
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self.assertLength(18, self.hpss_calls)
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remote = Branch.open('stacked')
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self.assertEndsWith(remote.get_stacked_on_url(), '/parent')
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def test_pull_cross_format_warning(self):
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"""You get a warning for probably slow cross-format pulls.
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# this is assumed to be going through InterDifferingSerializer
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from_tree = self.make_branch_and_tree('from', format='2a')
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to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
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from_tree.commit(message='first commit')
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out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
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self.assertContainsRe(err,
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"(?m)Doing on-the-fly conversion")
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def test_pull_cross_format_warning_no_IDS(self):
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"""You get a warning for probably slow cross-format pulls.
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# this simulates what would happen across the network, where
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# interdifferingserializer is not active
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debug.debug_flags.add('IDS_never')
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# TestCase take care of restoring them
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from_tree = self.make_branch_and_tree('from', format='2a')
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to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
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from_tree.commit(message='first commit')
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out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
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self.assertContainsRe(err,
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"(?m)Doing on-the-fly conversion")
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def test_pull_cross_format_from_network(self):
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self.setup_smart_server_with_call_log()
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from_tree = self.make_branch_and_tree('from', format='2a')
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to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
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self.assertIsInstance(from_tree.branch, remote.RemoteBranch)
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from_tree.commit(message='first commit')
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out, err = self.run_bzr(['pull', '-d', 'to',
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from_tree.branch.bzrdir.root_transport.base])
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self.assertContainsRe(err,
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"(?m)Doing on-the-fly conversion")
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def test_pull_to_experimental_format_warning(self):
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"""You get a warning for pulling into experimental formats.
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from_tree = self.make_branch_and_tree('from', format='development-subtree')
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to_tree = self.make_branch_and_tree('to', format='development-subtree')
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from_tree.commit(message='first commit')
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out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
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self.assertContainsRe(err,
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"(?m)Fetching into experimental format")
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def test_pull_cross_to_experimental_format_warning(self):
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"""You get a warning for pulling into experimental formats.
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from_tree = self.make_branch_and_tree('from', format='2a')
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to_tree = self.make_branch_and_tree('to', format='development-subtree')
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from_tree.commit(message='first commit')
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out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
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self.assertContainsRe(err,
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"(?m)Fetching into experimental format")
added
removed
bzrlib/tests/blackbox/test_pull.py
