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# Copyright (C) 2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for foreign VCS utility code."""
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from bzrlib.bzrdir import (
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from bzrlib.inventory import Inventory
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from bzrlib.revision import Revision
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from bzrlib.tests import (
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TestCaseWithTransport,
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# This is the dummy foreign revision control system, used
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# mainly here in the testsuite to test the foreign VCS infrastructure.
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# It is basically standard Bazaar with some minor modifications to
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# It has the following differences to "regular" Bazaar:
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# - The control directory is named ".dummy", not ".bzr".
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# - The revision ids are tuples, not strings.
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# - Doesn't support more than one parent natively
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class DummyForeignVcsMapping(foreign.VcsMapping):
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"""A simple mapping for the dummy Foreign VCS, for use with testing."""
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def __eq__(self, other):
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return type(self) == type(other)
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def revision_id_bzr_to_foreign(self, bzr_revid):
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return tuple(bzr_revid[len("dummy-v1:"):].split("-")), self
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def revision_id_foreign_to_bzr(self, foreign_revid):
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return "dummy-v1:%s-%s-%s" % foreign_revid
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class DummyForeignVcsMappingRegistry(foreign.VcsMappingRegistry):
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def revision_id_bzr_to_foreign(self, revid):
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if not revid.startswith("dummy-"):
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raise errors.InvalidRevisionId(revid, None)
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mapping_version = revid[len("dummy-"):len("dummy-vx")]
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mapping = self.get(mapping_version)
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return mapping.revision_id_bzr_to_foreign(revid)
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class DummyForeignVcs(foreign.ForeignVcs):
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"""A dummy Foreign VCS, for use with testing.
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It has revision ids that are a tuple with three strings.
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self.mapping_registry = DummyForeignVcsMappingRegistry()
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self.mapping_registry.register("v1", DummyForeignVcsMapping(self),
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def show_foreign_revid(self, foreign_revid):
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return { "dummy ding": "%s/%s\\%s" % foreign_revid }
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class DummyForeignVcsBranch(branch.BzrBranch6,foreign.ForeignBranch):
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"""A Dummy VCS Branch."""
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def __init__(self, _format, _control_files, a_bzrdir, *args, **kwargs):
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self._format = _format
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self._base = a_bzrdir.transport.base
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self._ignore_fallbacks = False
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foreign.ForeignBranch.__init__(self,
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DummyForeignVcsMapping(DummyForeignVcs()))
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branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir,
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class InterToDummyVcsBranch(branch.GenericInterBranch,
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foreign.InterToForeignBranch):
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def is_compatible(source, target):
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return isinstance(target, DummyForeignVcsBranch)
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def lossy_push(self, stop_revision=None):
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self.source.lock_read()
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# This just handles simple cases, but that's good enough for tests
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my_history = self.target.revision_history()
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their_history = self.source.revision_history()
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if their_history[:min(len(my_history), len(their_history))] != my_history:
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raise errors.DivergedBranches(self.target, self.source)
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todo = their_history[len(my_history):]
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rev = self.source.repository.get_revision(revid)
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tree = self.source.repository.revision_tree(revid)
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def get_file_with_stat(file_id, path=None):
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return (tree.get_file(file_id), None)
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tree.get_file_with_stat = get_file_with_stat
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new_revid = self.target.mapping.revision_id_foreign_to_bzr(
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(str(rev.timestamp), str(rev.timezone),
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str(self.target.revno())))
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parent_revno, parent_revid= self.target.last_revision_info()
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builder = self.target.get_commit_builder([parent_revid],
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self.target.get_config(), rev.timestamp,
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rev.timezone, rev.committer, rev.properties,
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for path, ie in tree.inventory.iter_entries():
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new_ie.revision = None
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builder.record_entry_contents(new_ie,
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[self.target.repository.get_inventory(parent_revid)],
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(ie.kind, ie.text_size, ie.executable, ie.text_sha1))
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builder.finish_inventory()
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revidmap[revid] = builder.commit(rev.message)
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self.target.set_last_revision_info(parent_revno+1,
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trace.mutter('lossily pushed revision %s -> %s',
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revid, revidmap[revid])
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class DummyForeignVcsBranchFormat(branch.BzrBranchFormat6):
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def get_format_string(self):
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return "Branch for Testing"
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super(DummyForeignVcsBranchFormat, self).__init__()
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self._matchingbzrdir = DummyForeignVcsDirFormat()
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def open(self, a_bzrdir, _found=False):
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raise NotImplementedError
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transport = a_bzrdir.get_branch_transport(None)
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control_files = lockable_files.LockableFiles(transport, 'lock',
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return DummyForeignVcsBranch(_format=self,
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_control_files=control_files,
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_repository=a_bzrdir.find_repository())
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except errors.NoSuchFile:
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raise errors.NotBranchError(path=transport.base)
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class DummyForeignVcsDirFormat(BzrDirMetaFormat1):
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"""BzrDirFormat for the dummy foreign VCS."""
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def get_format_string(cls):
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return "A Dummy VCS Dir"
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def get_format_description(cls):
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return "A Dummy VCS Dir"
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def is_supported(cls):
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def get_branch_format(self):
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return DummyForeignVcsBranchFormat()
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def probe_transport(klass, transport):
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"""Return the .bzrdir style format present in a directory."""
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if not transport.has('.dummy'):
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raise errors.NotBranchError(path=transport.base)
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def initialize_on_transport(self, transport):
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"""Initialize a new bzrdir in the base directory of a Transport."""
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# Since we don't have a .bzr directory, inherit the
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# mode from the root directory
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temp_control = lockable_files.LockableFiles(transport,
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'', lockable_files.TransportLock)
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temp_control._transport.mkdir('.dummy',
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# FIXME: RBC 20060121 don't peek under
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mode=temp_control._dir_mode)
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bzrdir_transport = transport.clone('.dummy')
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# NB: no need to escape relative paths that are url safe.
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control_files = lockable_files.LockableFiles(bzrdir_transport,
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self._lock_file_name, self._lock_class)
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control_files.create_lock()
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return self.open(transport, _found=True)
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def _open(self, transport):
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return DummyForeignVcsDir(transport, self)
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class DummyForeignVcsDir(BzrDirMeta1):
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def __init__(self, _transport, _format):
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self._format = _format
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self.transport = _transport.clone('.dummy')
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self.root_transport = _transport
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self._mode_check_done = False
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self._control_files = lockable_files.LockableFiles(self.transport,
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"lock", lockable_files.TransportLock)
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def open_branch(self, ignore_fallbacks=True):
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return self._format.get_branch_format().open(self, _found=True)
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def cloning_metadir(self, stacked=False):
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"""Produce a metadir suitable for cloning with."""
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return format_registry.make_bzrdir("default")
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def sprout(self, url, revision_id=None, force_new_repo=False,
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recurse='down', possible_transports=None,
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accelerator_tree=None, hardlink=False, stacked=False,
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# dirstate doesn't cope with accelerator_trees well
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# that have a different control dir
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return super(DummyForeignVcsDir, self).sprout(url=url,
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revision_id=revision_id, force_new_repo=force_new_repo,
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recurse=recurse, possible_transports=possible_transports,
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hardlink=hardlink, stacked=stacked, source_branch=source_branch)
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class ForeignVcsRegistryTests(TestCase):
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"""Tests for the ForeignVcsRegistry class."""
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def test_parse_revision_id_no_dash(self):
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reg = foreign.ForeignVcsRegistry()
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self.assertRaises(errors.InvalidRevisionId,
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reg.parse_revision_id, "invalid")
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def test_parse_revision_id_unknown_mapping(self):
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reg = foreign.ForeignVcsRegistry()
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self.assertRaises(errors.InvalidRevisionId,
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reg.parse_revision_id, "unknown-foreignrevid")
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def test_parse_revision_id(self):
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reg = foreign.ForeignVcsRegistry()
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vcs = DummyForeignVcs()
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reg.register("dummy", vcs, "Dummy VCS")
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self.assertEquals((("some", "foreign", "revid"), DummyForeignVcsMapping(vcs)),
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reg.parse_revision_id("dummy-v1:some-foreign-revid"))
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class ForeignRevisionTests(TestCase):
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"""Tests for the ForeignRevision class."""
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def test_create(self):
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mapp = DummyForeignVcsMapping(DummyForeignVcs())
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rev = foreign.ForeignRevision(("a", "foreign", "revid"),
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mapp, "roundtripped-revid")
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self.assertEquals("", rev.inventory_sha1)
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self.assertEquals(("a", "foreign", "revid"), rev.foreign_revid)
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self.assertEquals(mapp, rev.mapping)
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class ShowForeignPropertiesTests(TestCase):
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"""Tests for the show_foreign_properties() function."""
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super(ShowForeignPropertiesTests, self).setUp()
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self.vcs = DummyForeignVcs()
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foreign.foreign_vcs_registry.register("dummy",
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self.vcs, "Dummy VCS")
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super(ShowForeignPropertiesTests, self).tearDown()
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foreign.foreign_vcs_registry.remove("dummy")
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def test_show_non_foreign(self):
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"""Test use with a native (non-foreign) bzr revision."""
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self.assertEquals({}, foreign.show_foreign_properties(Revision("arevid")))
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def test_show_imported(self):
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rev = Revision("dummy-v1:my-foreign-revid")
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self.assertEquals({ "dummy ding": "my/foreign\\revid" },
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foreign.show_foreign_properties(rev))
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def test_show_direct(self):
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rev = foreign.ForeignRevision(("some", "foreign", "revid"),
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DummyForeignVcsMapping(self.vcs),
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self.assertEquals({ "dummy ding": "some/foreign\\revid" },
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foreign.show_foreign_properties(rev))
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class WorkingTreeFileUpdateTests(TestCaseWithTransport):
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"""Tests for update_workingtree_fileids()."""
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def test_update_workingtree(self):
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wt = self.make_branch_and_tree('br1')
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self.build_tree_contents([('br1/bla', 'original contents\n')])
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wt.add('bla', 'bla-a')
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target = wt.bzrdir.sprout('br2').open_workingtree()
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target.unversion(['bla-a'])
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target.add('bla', 'bla-b')
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target.commit('bla-b')
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target_basis = target.basis_tree()
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target_basis.lock_read()
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self.addCleanup(target_basis.unlock)
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foreign.update_workingtree_fileids(wt, target_basis)
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self.assertEquals(["TREE_ROOT", "bla-b"], list(wt.inventory))
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class DummyForeignVcsTests(TestCaseWithTransport):
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"""Very basic test for DummyForeignVcs."""
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BzrDirFormat.register_control_format(DummyForeignVcsDirFormat)
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branch.InterBranch.register_optimiser(InterToDummyVcsBranch)
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self.addCleanup(self.unregister)
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super(DummyForeignVcsTests, self).setUp()
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def unregister(self):
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BzrDirFormat.unregister_control_format(DummyForeignVcsDirFormat)
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branch.InterBranch.unregister_optimiser(InterToDummyVcsBranch)
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def test_create(self):
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"""Test we can create dummies."""
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self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
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dir = BzrDir.open("d")
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self.assertEquals("A Dummy VCS Dir", dir._format.get_format_string())
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dir.open_repository()
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dir.open_workingtree()
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def test_sprout(self):
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"""Test we can clone dummies and that the format is not preserved."""
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self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
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dir = BzrDir.open("d")
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newdir = dir.sprout("e")
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self.assertNotEquals("A Dummy VCS Dir", newdir._format.get_format_string())
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removed
bzrlib/tests/test_foreign.py
