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# Copyright (C) 2005, 2006 Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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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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from cStringIO import StringIO
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from bzrlib.branch import Branch
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from bzrlib.bzrdir import BzrDir
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from bzrlib.lockdir import LockDir
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib.tests import TestCase, TestCaseWithTransport, TestSkipped
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from bzrlib.transport import get_transport
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from bzrlib.workingtree import (
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class TestTreeDirectory(TestCaseWithTransport):
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def test_kind_character(self):
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self.assertEqual(TreeDirectory().kind_character(), '/')
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class TestTreeEntry(TestCaseWithTransport):
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def test_kind_character(self):
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self.assertEqual(TreeEntry().kind_character(), '???')
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class TestTreeFile(TestCaseWithTransport):
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def test_kind_character(self):
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self.assertEqual(TreeFile().kind_character(), '')
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class TestTreeLink(TestCaseWithTransport):
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def test_kind_character(self):
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self.assertEqual(TreeLink().kind_character(), '')
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class TestDefaultFormat(TestCaseWithTransport):
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def test_get_set_default_format(self):
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old_format = workingtree.WorkingTreeFormat.get_default_format()
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self.assertTrue(isinstance(old_format, workingtree.WorkingTreeFormat3))
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workingtree.WorkingTreeFormat.set_default_format(SampleTreeFormat())
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# the default branch format is used by the meta dir format
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# which is not the default bzrdir format at this point
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dir = bzrdir.BzrDirMetaFormat1().initialize('.')
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dir.create_repository()
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result = dir.create_workingtree()
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self.assertEqual(result, 'A tree')
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workingtree.WorkingTreeFormat.set_default_format(old_format)
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self.assertEqual(old_format, workingtree.WorkingTreeFormat.get_default_format())
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tree = self.make_branch_and_tree('.')
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open_direct = workingtree.WorkingTree.open('.')
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self.assertEqual(tree.basedir, open_direct.basedir)
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open_no_args = workingtree.WorkingTree.open()
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self.assertEqual(tree.basedir, open_no_args.basedir)
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def test_open_containing(self):
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tree = self.make_branch_and_tree('.')
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open_direct, relpath = workingtree.WorkingTree.open_containing('.')
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self.assertEqual(tree.basedir, open_direct.basedir)
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self.assertEqual('', relpath)
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open_no_args, relpath = workingtree.WorkingTree.open_containing()
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self.assertEqual(tree.basedir, open_no_args.basedir)
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self.assertEqual('', relpath)
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open_subdir, relpath = workingtree.WorkingTree.open_containing('subdir')
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self.assertEqual(tree.basedir, open_subdir.basedir)
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self.assertEqual('subdir', relpath)
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class SampleTreeFormat(workingtree.WorkingTreeFormat):
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this format is initializable, unsupported to aid in testing the
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open and open_downlevel routines.
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def get_format_string(self):
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"""See WorkingTreeFormat.get_format_string()."""
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return "Sample tree format."
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def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
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accelerator_tree=None, hardlink=False):
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"""Sample branches cannot be created."""
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t = a_bzrdir.get_workingtree_transport(self)
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t.put_bytes('format', self.get_format_string())
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def is_supported(self):
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def open(self, transport, _found=False):
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return "opened tree."
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class TestWorkingTreeFormat(TestCaseWithTransport):
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"""Tests for the WorkingTreeFormat facility."""
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def test_find_format(self):
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# is the right format object found for a working tree?
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# create a branch with a few known format objects.
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self.build_tree(["foo/", "bar/"])
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def check_format(format, url):
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dir = format._matchingbzrdir.initialize(url)
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dir.create_repository()
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format.initialize(dir)
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t = get_transport(url)
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found_format = workingtree.WorkingTreeFormat.find_format(dir)
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self.failUnless(isinstance(found_format, format.__class__))
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check_format(workingtree.WorkingTreeFormat3(), "bar")
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def test_find_format_no_tree(self):
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dir = bzrdir.BzrDirMetaFormat1().initialize('.')
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self.assertRaises(errors.NoWorkingTree,
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workingtree.WorkingTreeFormat.find_format,
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def test_find_format_unknown_format(self):
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dir = bzrdir.BzrDirMetaFormat1().initialize('.')
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dir.create_repository()
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SampleTreeFormat().initialize(dir)
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self.assertRaises(errors.UnknownFormatError,
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workingtree.WorkingTreeFormat.find_format,
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def test_register_unregister_format(self):
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format = SampleTreeFormat()
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dir = bzrdir.BzrDirMetaFormat1().initialize('.')
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dir.create_repository()
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format.initialize(dir)
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# register a format for it.
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workingtree.WorkingTreeFormat.register_format(format)
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# which branch.Open will refuse (not supported)
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self.assertRaises(errors.UnsupportedFormatError, workingtree.WorkingTree.open, '.')
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# but open_downlevel will work
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self.assertEqual(format.open(dir), workingtree.WorkingTree.open_downlevel('.'))
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# unregister the format
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workingtree.WorkingTreeFormat.unregister_format(format)
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class TestWorkingTreeFormat3(TestCaseWithTransport):
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"""Tests specific to WorkingTreeFormat3."""
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def test_disk_layout(self):
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control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
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control.create_repository()
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control.create_branch()
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tree = workingtree.WorkingTreeFormat3().initialize(control)
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# format 'Bazaar-NG Working Tree format 3'
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# inventory = blank inventory
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# pending-merges = ''
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# no inventory.basis yet
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t = control.get_workingtree_transport(None)
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self.assertEqualDiff('Bazaar-NG Working Tree format 3',
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t.get('format').read())
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self.assertEqualDiff(t.get('inventory').read(),
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'<inventory format="5">\n'
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self.assertEqualDiff('### bzr hashcache v5\n',
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t.get('stat-cache').read())
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self.assertFalse(t.has('inventory.basis'))
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# no last-revision file means 'None' or 'NULLREVISION'
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self.assertFalse(t.has('last-revision'))
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# TODO RBC 20060210 do a commit, check the inventory.basis is created
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# correctly and last-revision file becomes present.
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def test_uses_lockdir(self):
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"""WorkingTreeFormat3 uses its own LockDir:
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- lock is a directory
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- when the WorkingTree is locked, LockDir can see that
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t = self.get_transport()
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dir = bzrdir.BzrDirMetaFormat1().initialize(url)
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repo = dir.create_repository()
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branch = dir.create_branch()
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tree = workingtree.WorkingTreeFormat3().initialize(dir)
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except errors.NotLocalUrl:
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raise TestSkipped('Not a local URL')
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self.assertIsDirectory('.bzr', t)
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self.assertIsDirectory('.bzr/checkout', t)
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self.assertIsDirectory('.bzr/checkout/lock', t)
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our_lock = LockDir(t, '.bzr/checkout/lock')
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self.assertEquals(our_lock.peek(), None)
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self.assertTrue(our_lock.peek())
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self.assertEquals(our_lock.peek(), None)
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def test_missing_pending_merges(self):
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control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
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control.create_repository()
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control.create_branch()
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tree = workingtree.WorkingTreeFormat3().initialize(control)
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tree._transport.delete("pending-merges")
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self.assertEqual([], tree.get_parent_ids())
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class TestFormat2WorkingTree(TestCaseWithTransport):
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"""Tests that are specific to format 2 trees."""
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def create_format2_tree(self, url):
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return self.make_branch_and_tree(
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url, format=bzrdir.BzrDirFormat6())
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def test_conflicts(self):
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# test backwards compatability
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tree = self.create_format2_tree('.')
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self.assertRaises(errors.UnsupportedOperation, tree.set_conflicts,
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file('lala.BASE', 'wb').write('labase')
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expected = conflicts.ContentsConflict('lala')
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self.assertEqual(list(tree.conflicts()), [expected])
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file('lala', 'wb').write('la')
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tree.add('lala', 'lala-id')
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expected = conflicts.ContentsConflict('lala', file_id='lala-id')
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self.assertEqual(list(tree.conflicts()), [expected])
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file('lala.THIS', 'wb').write('lathis')
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file('lala.OTHER', 'wb').write('laother')
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# When "text conflict"s happen, stem, THIS and OTHER are text
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expected = conflicts.TextConflict('lala', file_id='lala-id')
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self.assertEqual(list(tree.conflicts()), [expected])
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os.unlink('lala.OTHER')
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os.mkdir('lala.OTHER')
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expected = conflicts.ContentsConflict('lala', file_id='lala-id')
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self.assertEqual(list(tree.conflicts()), [expected])
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class InstrumentedTree(object):
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"""A instrumented tree to check the needs_tree_write_lock decorator."""
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def lock_tree_write(self):
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self._locks.append('t')
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@needs_tree_write_lock
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def method_with_tree_write_lock(self, *args, **kwargs):
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"""A lock_tree_write decorated method that returns its arguments."""
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@needs_tree_write_lock
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def method_that_raises(self):
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"""This method causes an exception when called with parameters.
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This allows the decorator code to be checked - it should still call
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self._locks.append('u')
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class TestInstrumentedTree(TestCase):
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def test_needs_tree_write_lock(self):
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"""@needs_tree_write_lock should be semantically transparent."""
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tree = InstrumentedTree()
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'method_with_tree_write_lock',
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tree.method_with_tree_write_lock.__name__)
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"A lock_tree_write decorated method that returns its arguments.",
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tree.method_with_tree_write_lock.__doc__)
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result = tree.method_with_tree_write_lock(1,2,3, a='b')
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self.assertEqual((args, kwargs), result)
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self.assertEqual(['t', 'u'], tree._locks)
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self.assertRaises(TypeError, tree.method_that_raises, 'foo')
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self.assertEqual(['t', 'u', 't', 'u'], tree._locks)
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class TestRevert(TestCaseWithTransport):
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def test_revert_conflicts_recursive(self):
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this_tree = self.make_branch_and_tree('this-tree')
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self.build_tree_contents([('this-tree/foo/',),
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('this-tree/foo/bar', 'bar')])
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this_tree.add(['foo', 'foo/bar'])
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this_tree.commit('created foo/bar')
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other_tree = this_tree.bzrdir.sprout('other-tree').open_workingtree()
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self.build_tree_contents([('other-tree/foo/bar', 'baz')])
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other_tree.commit('changed bar')
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self.build_tree_contents([('this-tree/foo/bar', 'qux')])
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this_tree.commit('changed qux')
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this_tree.merge_from_branch(other_tree.branch)
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self.assertEqual(1, len(this_tree.conflicts()))
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this_tree.revert(['foo'])
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self.assertEqual(0, len(this_tree.conflicts()))
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class TestAutoResolve(TestCaseWithTransport):
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def test_auto_resolve(self):
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base = self.make_branch_and_tree('base')
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self.build_tree_contents([('base/hello', 'Hello')])
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base.add('hello', 'hello_id')
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other = base.bzrdir.sprout('other').open_workingtree()
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self.build_tree_contents([('other/hello', 'hELLO')])
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other.commit('Case switch')
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this = base.bzrdir.sprout('this').open_workingtree()
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self.failUnlessExists('this/hello')
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self.build_tree_contents([('this/hello', 'Hello World')])
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this.commit('Add World')
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this.merge_from_branch(other.branch)
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self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
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self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
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self.build_tree_contents([('this/hello', '<<<<<<<')])
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self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
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self.build_tree_contents([('this/hello', '=======')])
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self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
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self.build_tree_contents([('this/hello', '\n>>>>>>>')])
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remaining, resolved = this.auto_resolve()
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self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
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self.assertEqual([], resolved)
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self.build_tree_contents([('this/hello', 'hELLO wORLD')])
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remaining, resolved = this.auto_resolve()
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self.assertEqual([], this.conflicts())
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self.assertEqual([conflicts.TextConflict('hello', None, 'hello_id')],
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self.failIfExists('this/hello.BASE')
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def test_auto_resolve_dir(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/hello/'])
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tree.add('hello', 'hello-id')
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file_conflict = conflicts.TextConflict('file', None, 'hello-id')
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tree.set_conflicts(conflicts.ConflictList([file_conflict]))
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class TestFindTrees(TestCaseWithTransport):
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def test_find_trees(self):
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self.make_branch_and_tree('foo')
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self.make_branch_and_tree('foo/bar')
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# Sticking a tree inside a control dir is heinous, so let's skip it
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self.make_branch_and_tree('foo/.bzr/baz')
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self.make_branch('qux')
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trees = workingtree.WorkingTree.find_trees('.')
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self.assertEqual(2, len(list(trees)))
added
removed
bzrlib/tests/test_workingtree.py
