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# Copyright (C) 2005, 2006 Canonical Ltd
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# (C) 2005 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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"""Tests for branch implementations - tests a branch format."""
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from bzrlib.branch import Branch, needs_read_lock, needs_write_lock
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from bzrlib.delta import TreeDelta
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from bzrlib.errors import (FileExists,
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UninitializableFormat,
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from bzrlib.osutils import getcwd
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import bzrlib.revision
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from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
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from bzrlib.tests.bzrdir_implementations.test_bzrdir import TestCaseWithBzrDir
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from bzrlib.branch import Branch
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from bzrlib.clone import copy_branch
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from bzrlib.commit import commit
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import bzrlib.errors as errors
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from bzrlib.errors import NoSuchRevision, UnlistableBranch, NotBranchError
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from bzrlib.selftest import TestCaseInTempDir
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from bzrlib.trace import mutter
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from bzrlib.transport import get_transport
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from bzrlib.transport.http import HttpServer
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.upgrade import upgrade
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from bzrlib.workingtree import WorkingTree
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# TODO: Make a branch using basis branch, and check that it
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# doesn't request any files that could have been avoided, by
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# hooking into the Transport.
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class TestCaseWithBranch(TestCaseWithBzrDir):
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super(TestCaseWithBranch, self).setUp()
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if self.branch is None:
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self.branch = self.make_branch('')
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def make_branch(self, relpath, format=None):
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repo = self.make_repository(relpath, format=format)
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# fixme RBC 20060210 this isnt necessarily a fixable thing,
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# Skipped is the wrong exception to raise.
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return self.branch_format.initialize(repo.bzrdir)
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except errors.UninitializableFormat:
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raise TestSkipped('Uninitializable branch format')
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def make_repository(self, relpath, shared=False, format=None):
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made_control = self.make_bzrdir(relpath, format=format)
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return made_control.create_repository(shared=shared)
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class TestBranch(TestCaseWithBranch):
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import bzrlib.transactions as transactions
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from bzrlib.selftest.HTTPTestUtil import TestCaseWithWebserver
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class TestBranch(TestCaseInTempDir):
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def test_append_revisions(self):
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"""Test appending more than one revision"""
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br = self.get_branch()
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br = Branch.initialize(".")
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br.append_revision("rev1")
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self.assertEquals(br.revision_history(), ["rev1",])
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br.append_revision("rev2", "rev3")
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def test_fetch_revisions(self):
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"""Test fetch-revision operation."""
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get_transport(self.get_url()).mkdir('b1')
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get_transport(self.get_url()).mkdir('b2')
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wt = self.make_branch_and_tree('b1')
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b2 = self.make_branch('b2')
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file('b1/foo', 'w').write('hello')
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wt.add(['foo'], ['foo-id'])
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wt.commit('lala!', rev_id='revision-1', allow_pointless=False)
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from bzrlib.fetch import Fetcher
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b1 = Branch.initialize('b1')
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b2 = Branch.initialize('b2')
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file(os.sep.join(['b1', 'foo']), 'w').write('hello')
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b1.add(['foo'], ['foo-id'])
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b1.commit('lala!', rev_id='revision-1', allow_pointless=False)
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mutter('start fetch')
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self.assertEqual((1, []), b2.fetch(b1))
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rev = b2.repository.get_revision('revision-1')
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tree = b2.repository.revision_tree('revision-1')
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self.assertEqual(tree.get_file_text('foo-id'), 'hello')
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def test_get_revision_delta(self):
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tree_a = self.make_branch_and_tree('a')
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self.build_tree(['a/foo'])
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tree_a.add('foo', 'file1')
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tree_a.commit('rev1', rev_id='rev1')
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self.build_tree(['a/vla'])
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tree_a.add('vla', 'file2')
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tree_a.commit('rev2', rev_id='rev2')
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delta = tree_a.branch.get_revision_delta(1)
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self.assertIsInstance(delta, TreeDelta)
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self.assertEqual([('foo', 'file1', 'file')], delta.added)
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delta = tree_a.branch.get_revision_delta(2)
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self.assertIsInstance(delta, TreeDelta)
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self.assertEqual([('vla', 'file2', 'file')], delta.added)
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def get_unbalanced_tree_pair(self):
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"""Return two branches, a and b, with one file in a."""
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get_transport(self.get_url()).mkdir('a')
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tree_a = self.make_branch_and_tree('a')
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f = Fetcher(from_branch=b1, to_branch=b2)
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eq = self.assertEquals
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eq(f.last_revision, 'revision-1')
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rev = b2.get_revision('revision-1')
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tree = b2.revision_tree('revision-1')
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eq(tree.get_file_text('foo-id'), 'hello')
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def test_push_stores(self):
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"""Copy the stores from one branch to another"""
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br_a = Branch.initialize("a")
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file('a/b', 'wb').write('b')
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tree_a.commit("silly commit", rev_id='A')
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get_transport(self.get_url()).mkdir('b')
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tree_b = self.make_branch_and_tree('b')
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return tree_a, tree_b
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def get_balanced_branch_pair(self):
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"""Returns br_a, br_b as with one commit in a, and b has a's stores."""
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tree_a, tree_b = self.get_unbalanced_tree_pair()
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tree_b.branch.repository.fetch(tree_a.branch.repository)
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return tree_a, tree_b
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def test_clone_branch(self):
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commit(br_a, "silly commit")
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br_b = Branch.initialize("b")
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self.assertRaises(NoSuchRevision, br_b.get_revision,
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br_a.revision_history()[0])
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br_a.push_stores(br_b)
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rev = br_b.get_revision(br_a.revision_history()[0])
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tree = br_b.revision_tree(br_a.revision_history()[0])
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if tree.inventory[file_id].kind == "file":
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tree.get_file(file_id).read()
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def test_copy_branch(self):
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"""Copy the stores from one branch to another"""
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tree_a, tree_b = self.get_balanced_branch_pair()
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tree_b.commit("silly commit")
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br_a, br_b = self.test_push_stores()
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commit(br_b, "silly commit")
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# this fails to test that the history from a was not used.
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dir_c = tree_a.bzrdir.clone('c', basis=tree_b.bzrdir)
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self.assertEqual(tree_a.branch.revision_history(),
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dir_c.open_branch().revision_history())
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br_c = copy_branch(br_a, 'c', basis_branch=br_b)
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self.assertEqual(br_a.revision_history(), br_c.revision_history())
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## # basis branches currently disabled for weave format
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## self.assertFalse(br_b.last_revision() in br_c.revision_history())
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## br_c.get_revision(br_b.last_revision())
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def test_clone_partial(self):
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def test_copy_partial(self):
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"""Copy only part of the history of a branch."""
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# TODO: RBC 20060208 test with a revision not on revision-history.
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# what should that behaviour be ? Emailed the list.
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wt_a = self.make_branch_and_tree('a')
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self.build_tree(['a/one'])
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wt_a.commit('commit one', rev_id='1')
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self.build_tree(['a/two'])
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wt_a.commit('commit two', rev_id='2')
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repo_b = self.make_repository('b')
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wt_a.bzrdir.open_repository().copy_content_into(repo_b)
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br_b = wt_a.bzrdir.open_branch().clone(repo_b.bzrdir, revision_id='1')
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self.assertEqual(br_b.last_revision(), '1')
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def test_sprout_partial(self):
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# test sprouting with a prefix of the revision-history.
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# also needs not-on-revision-history behaviour defined.
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wt_a = self.make_branch_and_tree('a')
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self.build_tree(['a/one'])
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wt_a.commit('commit one', rev_id='1')
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self.build_tree(['a/two'])
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wt_a.commit('commit two', rev_id='2')
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repo_b = self.make_repository('b')
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wt_a.bzrdir.open_repository().copy_content_into(repo_b)
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br_b = wt_a.bzrdir.open_branch().sprout(repo_b.bzrdir, revision_id='1')
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self.assertEqual(br_b.last_revision(), '1')
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def test_clone_branch_nickname(self):
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# test the nick name is preserved always
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raise TestSkipped('XXX branch cloning is not yet tested..')
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def test_clone_branch_parent(self):
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# test the parent is preserved always
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raise TestSkipped('XXX branch cloning is not yet tested..')
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def test_sprout_branch_nickname(self):
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# test the nick name is reset always
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raise TestSkipped('XXX branch sprouting is not yet tested..')
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def test_sprout_branch_parent(self):
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source = self.make_branch('source')
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target = source.bzrdir.sprout(self.get_url('target')).open_branch()
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self.assertEqual(source.bzrdir.root_transport.base, target.get_parent())
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def test_submit_branch(self):
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"""Submit location can be queried and set"""
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branch = self.make_branch('branch')
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self.assertEqual(branch.get_submit_branch(), None)
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branch.set_submit_branch('sftp://example.com')
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self.assertEqual(branch.get_submit_branch(), 'sftp://example.com')
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branch.set_submit_branch('sftp://example.net')
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self.assertEqual(branch.get_submit_branch(), 'sftp://example.net')
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self.build_tree(['a/', 'a/one'])
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br_a = Branch.initialize('a')
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br_a.commit('commit one', rev_id='u@d-1')
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self.build_tree(['a/two'])
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br_a.commit('commit two', rev_id='u@d-2')
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br_b = copy_branch(br_a, 'b', revision='u@d-1')
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self.assertEqual(br_b.last_revision(), 'u@d-1')
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self.assertTrue(os.path.exists('b/one'))
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self.assertFalse(os.path.exists('b/two'))
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def test_record_initial_ghost_merge(self):
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"""A pending merge with no revision present is still a merge."""
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wt = self.make_branch_and_tree('.')
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wt.add_pending_merge('non:existent@rev--ision--0--2')
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wt.commit('pretend to merge nonexistent-revision', rev_id='first')
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rev = branch.repository.get_revision(branch.last_revision())
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branch = Branch.initialize('.')
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branch.add_pending_merge('non:existent@rev--ision--0--2')
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branch.commit('pretend to merge nonexistent-revision', rev_id='first')
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rev = branch.get_revision(branch.last_revision())
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self.assertEqual(len(rev.parent_ids), 1)
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# parent_sha1s is not populated now, WTF. rbc 20051003
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self.assertEqual(len(rev.parent_sha1s), 0)
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self.assertEqual(rev.parent_ids[0], 'non:existent@rev--ision--0--2')
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def test_bad_revision(self):
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self.assertRaises(errors.InvalidRevisionId,
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self.get_branch().repository.get_revision,
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# TODO 20051003 RBC:
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# compare the gpg-to-sign info for a commit with a ghost and
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# an identical tree without a ghost
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def test_pending_merges(self):
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"""Tracking pending-merged revisions."""
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wt = self.make_branch_and_tree('.')
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self.assertEquals(wt.pending_merges(), [])
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wt.add_pending_merge('foo@azkhazan-123123-abcabc')
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self.assertEquals(wt.pending_merges(), ['foo@azkhazan-123123-abcabc'])
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wt.add_pending_merge('foo@azkhazan-123123-abcabc')
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self.assertEquals(wt.pending_merges(), ['foo@azkhazan-123123-abcabc'])
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wt.add_pending_merge('wibble@fofof--20050401--1928390812')
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self.assertEquals(wt.pending_merges(),
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b = Branch.initialize('.')
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self.assertEquals(b.pending_merges(), [])
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b.add_pending_merge('foo@azkhazan-123123-abcabc')
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self.assertEquals(b.pending_merges(), ['foo@azkhazan-123123-abcabc'])
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b.add_pending_merge('foo@azkhazan-123123-abcabc')
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self.assertEquals(b.pending_merges(), ['foo@azkhazan-123123-abcabc'])
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b.add_pending_merge('wibble@fofof--20050401--1928390812')
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self.assertEquals(b.pending_merges(),
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['foo@azkhazan-123123-abcabc',
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'wibble@fofof--20050401--1928390812'])
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wt.commit("commit from base with two merges")
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rev = b.repository.get_revision(b.revision_history()[0])
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b.commit("commit from base with two merges")
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rev = b.get_revision(b.revision_history()[0])
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self.assertEquals(len(rev.parent_ids), 2)
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self.assertEquals(rev.parent_ids[0],
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'foo@azkhazan-123123-abcabc')
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self.assertEquals(rev.parent_ids[1],
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'wibble@fofof--20050401--1928390812')
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# list should be cleared when we do a commit
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self.assertEquals(wt.pending_merges(), [])
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def test_sign_existing_revision(self):
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wt = self.make_branch_and_tree('.')
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wt.commit("base", allow_pointless=True, rev_id='A')
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from bzrlib.testament import Testament
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strategy = gpg.LoopbackGPGStrategy(None)
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branch.repository.sign_revision('A', strategy)
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self.assertEqual(Testament.from_revision(branch.repository,
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'A').as_short_text(),
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branch.repository.get_signature_text('A'))
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def test_store_signature(self):
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wt = self.make_branch_and_tree('.')
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branch.repository.store_revision_signature(
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gpg.LoopbackGPGStrategy(None), 'FOO', 'A')
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self.assertRaises(errors.NoSuchRevision,
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branch.repository.has_signature_for_revision_id,
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wt.commit("base", allow_pointless=True, rev_id='A')
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self.assertEqual('FOO',
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branch.repository.get_signature_text('A'))
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def test_branch_keeps_signatures(self):
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wt = self.make_branch_and_tree('source')
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wt.commit('A', allow_pointless=True, rev_id='A')
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wt.branch.repository.sign_revision('A',
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gpg.LoopbackGPGStrategy(None))
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#FIXME: clone should work to urls,
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# wt.clone should work to disks.
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self.build_tree(['target/'])
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d2 = wt.bzrdir.clone('target')
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self.assertEqual(wt.branch.repository.get_signature_text('A'),
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d2.open_repository().get_signature_text('A'))
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def test_nicks(self):
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"""Branch nicknames"""
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t = get_transport(self.get_url())
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branch = self.make_branch('bzr.dev')
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self.assertEqual(branch.nick, 'bzr.dev')
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t.move('bzr.dev', 'bzr.ab')
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branch = Branch.open(self.get_url('bzr.ab'))
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self.assertEqual(branch.nick, 'bzr.ab')
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branch.nick = "Aaron's branch"
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branch.nick = "Aaron's branch"
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branch.control_files.controlfilename("branch.conf")
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self.assertEqual(branch.nick, "Aaron's branch")
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t.move('bzr.ab', 'integration')
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branch = Branch.open(self.get_url('integration'))
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self.assertEqual(branch.nick, "Aaron's branch")
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branch.nick = u"\u1234"
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self.assertEqual(branch.nick, u"\u1234")
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def test_commit_nicks(self):
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"""Nicknames are committed to the revision"""
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get_transport(self.get_url()).mkdir('bzr.dev')
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wt = self.make_branch_and_tree('bzr.dev')
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branch.nick = "My happy branch"
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wt.commit('My commit respect da nick.')
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committed = branch.repository.get_revision(branch.last_revision())
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self.assertEqual(committed.properties["branch-nick"],
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def test_create_open_branch_uses_repository(self):
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repo = self.make_repository('.', shared=True)
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except errors.IncompatibleFormat:
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repo.bzrdir.root_transport.mkdir('child')
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child_dir = self.bzrdir_format.initialize('child')
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child_branch = self.branch_format.initialize(child_dir)
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except errors.UninitializableFormat:
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# branch references are not default init'able.
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self.assertEqual(repo.bzrdir.root_transport.base,
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child_branch.repository.bzrdir.root_transport.base)
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child_branch = branch.Branch.open(self.get_url('child'))
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self.assertEqual(repo.bzrdir.root_transport.base,
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child_branch.repository.bzrdir.root_transport.base)
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def test_format_description(self):
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tree = self.make_branch_and_tree('tree')
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text = tree.branch._format.get_format_description()
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self.failUnless(len(text))
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def test_check_branch_report_results(self):
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"""Checking a branch produces results which can be printed"""
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branch = self.make_branch('.')
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result = branch.check()
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# reports results through logging
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result.report_results(verbose=True)
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result.report_results(verbose=False)
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def test_get_commit_builder(self):
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self.assertIsInstance(self.make_branch(".").get_commit_builder([]),
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repository.CommitBuilder)
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def test_generate_revision_history(self):
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"""Create a fake revision history easily."""
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tree = self.make_branch_and_tree('.')
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rev1 = tree.commit('foo')
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orig_history = tree.branch.revision_history()
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rev2 = tree.commit('bar', allow_pointless=True)
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tree.branch.generate_revision_history(rev1)
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self.assertEqual(orig_history, tree.branch.revision_history())
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def test_generate_revision_history_NULL_REVISION(self):
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tree = self.make_branch_and_tree('.')
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rev1 = tree.commit('foo')
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tree.branch.generate_revision_history(bzrlib.revision.NULL_REVISION)
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self.assertEqual([], tree.branch.revision_history())
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class ChrootedTests(TestCaseWithBranch):
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"""A support class that provides readonly urls outside the local namespace.
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This is done by checking if self.transport_server is a MemoryServer. if it
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is then we are chrooted already, if it is not then an HttpServer is used
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super(ChrootedTests, self).setUp()
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if not self.transport_server == MemoryServer:
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self.transport_readonly_server = HttpServer
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self.assertEquals(b.pending_merges(), [])
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class TestRemote(TestCaseWithWebserver):
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def test_open_containing(self):
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self.assertRaises(NotBranchError, Branch.open_containing,
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self.get_readonly_url(''))
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self.get_remote_url(''))
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self.assertRaises(NotBranchError, Branch.open_containing,
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self.get_readonly_url('g/p/q'))
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branch = self.make_branch('.')
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branch, relpath = Branch.open_containing(self.get_readonly_url(''))
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self.assertEqual('', relpath)
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branch, relpath = Branch.open_containing(self.get_readonly_url('g/p/q'))
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self.assertEqual('g/p/q', relpath)
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self.get_remote_url('g/p/q'))
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b = Branch.initialize('.')
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Branch.open_containing(self.get_remote_url(''))
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Branch.open_containing(self.get_remote_url('g/p/q'))
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# TODO: rewrite this as a regular unittest, without relying on the displayed output
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# >>> from bzrlib.commit import commit
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# >>> bzrlib.trace.silent = True
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# >>> br1 = ScratchBranch(files=['foo', 'bar'])
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# >>> commit(br1, "lala!", rev_id="REVISION-ID-1", verbose=False)
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# >>> br2 = ScratchBranch()
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# >>> br2.update_revisions(br1)
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# Added 1 inventories.
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# >>> br2.revision_history()
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# >>> br2.update_revisions(br1)
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# >>> br1.text_store.total_size() == br2.text_store.total_size()
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class InstrumentedTransaction(object):
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class TestDecorator(object):
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self._calls.append('lr')
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def lock_write(self):
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self._calls.append('lw')
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self._calls.append('ul')
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def do_with_read(self):
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def except_with_read(self):
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def do_with_write(self):
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def except_with_write(self):
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class TestDecorators(TestCase):
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def test_needs_read_lock(self):
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branch = TestDecorator()
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self.assertEqual(1, branch.do_with_read())
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self.assertEqual(['lr', 'ul'], branch._calls)
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def test_excepts_in_read_lock(self):
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branch = TestDecorator()
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self.assertRaises(RuntimeError, branch.except_with_read)
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self.assertEqual(['lr', 'ul'], branch._calls)
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def test_needs_write_lock(self):
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branch = TestDecorator()
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self.assertEqual(2, branch.do_with_write())
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self.assertEqual(['lw', 'ul'], branch._calls)
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def test_excepts_in_write_lock(self):
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branch = TestDecorator()
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self.assertRaises(RuntimeError, branch.except_with_write)
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self.assertEqual(['lw', 'ul'], branch._calls)
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class TestBranchTransaction(TestCaseWithBranch):
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class TestBranchTransaction(TestCaseInTempDir):
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super(TestBranchTransaction, self).setUp()
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self.branch = Branch.initialize('.')
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def test_default_get_transaction(self):
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"""branch.get_transaction on a new branch should give a PassThrough."""
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self.failUnless(isinstance(self.get_branch().get_transaction(),
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self.failUnless(isinstance(self.branch.get_transaction(),
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transactions.PassThroughTransaction))
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def test__set_new_transaction(self):
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self.get_branch()._set_transaction(transactions.ReadOnlyTransaction())
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self.branch._set_transaction(transactions.ReadOnlyTransaction())
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def test__set_over_existing_transaction_raises(self):
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self.get_branch()._set_transaction(transactions.ReadOnlyTransaction())
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self.branch._set_transaction(transactions.ReadOnlyTransaction())
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self.assertRaises(errors.LockError,
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self.get_branch()._set_transaction,
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self.branch._set_transaction,
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transactions.ReadOnlyTransaction())
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def test_finish_no_transaction_raises(self):
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self.assertRaises(errors.LockError, self.get_branch()._finish_transaction)
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self.assertRaises(errors.LockError, self.branch._finish_transaction)
488
207
def test_finish_readonly_transaction_works(self):
489
self.get_branch()._set_transaction(transactions.ReadOnlyTransaction())
490
self.get_branch()._finish_transaction()
491
self.assertEqual(None, self.get_branch().control_files._transaction)
208
self.branch._set_transaction(transactions.ReadOnlyTransaction())
209
self.branch._finish_transaction()
210
self.assertEqual(None, self.branch._transaction)
493
212
def test_unlock_calls_finish(self):
494
self.get_branch().lock_read()
213
self.branch.lock_read()
495
214
transaction = InstrumentedTransaction()
496
self.get_branch().control_files._transaction = transaction
497
self.get_branch().unlock()
215
self.branch._transaction = transaction
498
217
self.assertEqual(['finish'], transaction.calls)
500
219
def test_lock_read_acquires_ro_transaction(self):
501
self.get_branch().lock_read()
502
self.failUnless(isinstance(self.get_branch().get_transaction(),
220
self.branch.lock_read()
221
self.failUnless(isinstance(self.branch.get_transaction(),
503
222
transactions.ReadOnlyTransaction))
504
self.get_branch().unlock()
506
def test_lock_write_acquires_write_transaction(self):
507
self.get_branch().lock_write()
225
def test_lock_write_acquires_passthrough_transaction(self):
226
self.branch.lock_write()
508
227
# cannot use get_transaction as its magic
509
self.failUnless(isinstance(self.get_branch().control_files._transaction,
510
transactions.WriteTransaction))
511
self.get_branch().unlock()
514
class TestBranchPushLocations(TestCaseWithBranch):
516
def test_get_push_location_unset(self):
517
self.assertEqual(None, self.get_branch().get_push_location())
519
def test_get_push_location_exact(self):
520
from bzrlib.config import (locations_config_filename,
521
ensure_config_dir_exists)
522
ensure_config_dir_exists()
523
fn = locations_config_filename()
524
print >> open(fn, 'wt'), ("[%s]\n"
525
"push_location=foo" %
526
self.get_branch().base[:-1])
527
self.assertEqual("foo", self.get_branch().get_push_location())
529
def test_set_push_location(self):
530
from bzrlib.config import (locations_config_filename,
531
ensure_config_dir_exists)
532
ensure_config_dir_exists()
533
fn = locations_config_filename()
534
branch = self.get_branch()
535
branch.set_push_location('foo')
536
local_path = urlutils.local_path_from_url(branch.base[:-1])
537
self.assertFileEqual("[%s]\n"
538
"push_location = foo" % local_path,
541
# TODO RBC 20051029 test getting a push location from a branch in a
542
# recursive section - that is, it appends the branch name.
545
class TestFormat(TestCaseWithBranch):
546
"""Tests for the format itself."""
548
def test_format_initialize_find_open(self):
549
# loopback test to check the current format initializes to itself.
550
if not self.branch_format.is_supported():
551
# unsupported formats are not loopback testable
552
# because the default open will not open them and
553
# they may not be initializable.
555
# supported formats must be able to init and open
556
t = get_transport(self.get_url())
557
readonly_t = get_transport(self.get_readonly_url())
558
made_branch = self.make_branch('.')
559
self.failUnless(isinstance(made_branch, branch.Branch))
561
# find it via bzrdir opening:
562
opened_control = bzrdir.BzrDir.open(readonly_t.base)
563
direct_opened_branch = opened_control.open_branch()
564
self.assertEqual(direct_opened_branch.__class__, made_branch.__class__)
565
self.assertEqual(opened_control, direct_opened_branch.bzrdir)
566
self.failUnless(isinstance(direct_opened_branch._format,
567
self.branch_format.__class__))
569
# find it via Branch.open
570
opened_branch = branch.Branch.open(readonly_t.base)
571
self.failUnless(isinstance(opened_branch, made_branch.__class__))
572
self.assertEqual(made_branch._format.__class__,
573
opened_branch._format.__class__)
574
# if it has a unique id string, can we probe for it ?
576
self.branch_format.get_format_string()
577
except NotImplementedError:
579
self.assertEqual(self.branch_format,
580
branch.BranchFormat.find_format(opened_control))
228
self.failUnless(isinstance(self.branch._transaction,
229
transactions.PassThroughTransaction))
added
removed
bzrlib/selftest/testbranch.py
