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# Copyright (C) 2005 by Canonical Ltd
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# -*- coding: utf-8 -*-
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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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from bzrlib.branch import Branch
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from bzrlib.tests.blackbox import ExternalBase
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from bzrlib.uncommit import uncommit
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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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"""Pull changes from one branch to another."""
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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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# 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.runbzr('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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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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self.runbzr('pull ../a', retcode=3)
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self.runbzr('branch b overwriteme')
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os.chdir('overwriteme')
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self.runbzr('pull --overwrite ../a')
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overwritten = Branch.open('.')
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self.assertEqual(overwritten.revision_history(),
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self.runbzr('merge ../b')
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self.runbzr('commit -m blah4 --unchanged')
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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.runbzr('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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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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self.runbzr('pull -r 2')
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a = Branch.open('../a')
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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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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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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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# 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.assertEqual(rev_history_b, rev_history_a)
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def test_pull_remember(self):
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"""Pull changes from one branch to another and test parent location."""
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transport = self.get_transport()
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tree_a = self.make_branch_and_tree('branch_a')
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branch_a = tree_a.branch
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self.build_tree(['branch_a/a'])
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tree_a.commit('commit a')
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tree_b = branch_a.bzrdir.sprout('branch_b').open_workingtree()
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branch_b = tree_b.branch
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tree_c = branch_a.bzrdir.sprout('branch_c').open_workingtree()
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branch_c = tree_c.branch
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self.build_tree(['branch_a/b'])
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tree_a.commit('commit b')
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parent = branch_b.get_parent()
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branch_b.set_parent(None)
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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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out = self.runbzr('pull', retcode=3)
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self.assertEquals(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. Use the merge command to reconcile them.\n'))
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self.assertEquals(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(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(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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bundle_file = open('../bundle', 'wb')
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bundle_file.write(self.run_bzr('bundle', '../branch_b')[0])
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os.chdir('../branch_b')
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output = self.run_bzr('pull', '../bundle')
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self.assertEqual('', output[0])
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self.assertEqual('All changes applied successfully.\n'
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'1 revision(s) pulled.\n', output[1])
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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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output = self.run_bzr('pull', '../bundle')
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self.assertEqual('', output[0])
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self.assertEqual('0 revision(s) pulled.\n', output[1])
added
removed
bzrlib/tests/blackbox/test_pull.py
