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# Copyright (C) 2008 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for foreign VCS utility code."""
from bzrlib import (
branch,
errors,
foreign,
lockable_files,
lockdir,
trace,
)
from bzrlib.bzrdir import (
BzrDir,
BzrDirFormat,
BzrDirMeta1,
BzrDirMetaFormat1,
format_registry,
)
from bzrlib.inventory import Inventory
from bzrlib.revision import Revision
from bzrlib.tests import (
TestCase,
TestCaseWithTransport,
)
# This is the dummy foreign revision control system, used
# mainly here in the testsuite to test the foreign VCS infrastructure.
# It is basically standard Bazaar with some minor modifications to
# make it "foreign".
#
# It has the following differences to "regular" Bazaar:
# - The control directory is named ".dummy", not ".bzr".
# - The revision ids are tuples, not strings.
# - Doesn't support more than one parent natively
class DummyForeignVcsMapping(foreign.VcsMapping):
"""A simple mapping for the dummy Foreign VCS, for use with testing."""
def __eq__(self, other):
return type(self) == type(other)
def revision_id_bzr_to_foreign(self, bzr_revid):
return tuple(bzr_revid[len("dummy-v1:"):].split("-")), self
def revision_id_foreign_to_bzr(self, foreign_revid):
return "dummy-v1:%s-%s-%s" % foreign_revid
class DummyForeignVcsMappingRegistry(foreign.VcsMappingRegistry):
def revision_id_bzr_to_foreign(self, revid):
if not revid.startswith("dummy-"):
raise errors.InvalidRevisionId(revid, None)
mapping_version = revid[len("dummy-"):len("dummy-vx")]
mapping = self.get(mapping_version)
return mapping.revision_id_bzr_to_foreign(revid)
class DummyForeignVcs(foreign.ForeignVcs):
"""A dummy Foreign VCS, for use with testing.
It has revision ids that are a tuple with three strings.
"""
def __init__(self):
self.mapping_registry = DummyForeignVcsMappingRegistry()
self.mapping_registry.register("v1", DummyForeignVcsMapping(self),
"Version 1")
def show_foreign_revid(self, foreign_revid):
return { "dummy ding": "%s/%s\\%s" % foreign_revid }
class DummyForeignVcsBranch(branch.BzrBranch6,foreign.ForeignBranch):
"""A Dummy VCS Branch."""
def __init__(self, _format, _control_files, a_bzrdir, *args, **kwargs):
self._format = _format
self._base = a_bzrdir.transport.base
self._ignore_fallbacks = False
foreign.ForeignBranch.__init__(self,
DummyForeignVcsMapping(DummyForeignVcs()))
branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir,
*args, **kwargs)
def dpull(self, source, stop_revision=None):
source.lock_read()
try:
# This just handles simple cases, but that's good enough for tests
my_history = self.revision_history()
their_history = source.revision_history()
if their_history[:min(len(my_history), len(their_history))] != my_history:
raise errors.DivergedBranches(self, source)
todo = their_history[len(my_history):]
revidmap = {}
for revid in todo:
rev = source.repository.get_revision(revid)
tree = source.repository.revision_tree(revid)
def get_file_with_stat(file_id, path=None):
return (tree.get_file(file_id), None)
tree.get_file_with_stat = get_file_with_stat
new_revid = self.mapping.revision_id_foreign_to_bzr(
(str(rev.timestamp), str(rev.timezone), str(self.revno())))
parent_revno, parent_revid= self.last_revision_info()
builder = self.get_commit_builder([parent_revid],
self.get_config(), rev.timestamp,
rev.timezone, rev.committer, rev.properties,
new_revid)
try:
for path, ie in tree.inventory.iter_entries():
new_ie = ie.copy()
new_ie.revision = None
builder.record_entry_contents(new_ie,
[self.repository.get_inventory(parent_revid)],
path, tree,
(ie.kind, ie.text_size, ie.executable, ie.text_sha1))
builder.finish_inventory()
except:
builder.abort()
raise
revidmap[revid] = builder.commit(rev.message)
self.set_last_revision_info(parent_revno+1, revidmap[revid])
trace.mutter('lossily pushed revision %s -> %s',
revid, revidmap[revid])
finally:
source.unlock()
return revidmap
class DummyForeignVcsBranchFormat(branch.BzrBranchFormat6):
def get_format_string(self):
return "Branch for Testing"
def __init__(self):
super(DummyForeignVcsBranchFormat, self).__init__()
self._matchingbzrdir = DummyForeignVcsDirFormat()
def open(self, a_bzrdir, _found=False):
if not _found:
raise NotImplementedError
try:
transport = a_bzrdir.get_branch_transport(None)
control_files = lockable_files.LockableFiles(transport, 'lock',
lockdir.LockDir)
return DummyForeignVcsBranch(_format=self,
_control_files=control_files,
a_bzrdir=a_bzrdir,
_repository=a_bzrdir.find_repository())
except errors.NoSuchFile:
raise errors.NotBranchError(path=transport.base)
class DummyForeignVcsDirFormat(BzrDirMetaFormat1):
"""BzrDirFormat for the dummy foreign VCS."""
@classmethod
def get_format_string(cls):
return "A Dummy VCS Dir"
@classmethod
def get_format_description(cls):
return "A Dummy VCS Dir"
@classmethod
def is_supported(cls):
return True
def get_branch_format(self):
return DummyForeignVcsBranchFormat()
@classmethod
def probe_transport(klass, transport):
"""Return the .bzrdir style format present in a directory."""
if not transport.has('.dummy'):
raise errors.NotBranchError(path=transport.base)
return klass()
def initialize_on_transport(self, transport):
"""Initialize a new bzrdir in the base directory of a Transport."""
# Since we don't have a .bzr directory, inherit the
# mode from the root directory
temp_control = lockable_files.LockableFiles(transport,
'', lockable_files.TransportLock)
temp_control._transport.mkdir('.dummy',
# FIXME: RBC 20060121 don't peek under
# the covers
mode=temp_control._dir_mode)
del temp_control
bzrdir_transport = transport.clone('.dummy')
# NB: no need to escape relative paths that are url safe.
control_files = lockable_files.LockableFiles(bzrdir_transport,
self._lock_file_name, self._lock_class)
control_files.create_lock()
return self.open(transport, _found=True)
def _open(self, transport):
return DummyForeignVcsDir(transport, self)
class DummyForeignVcsDir(BzrDirMeta1):
def __init__(self, _transport, _format):
self._format = _format
self.transport = _transport.clone('.dummy')
self.root_transport = _transport
self._mode_check_done = False
self._control_files = lockable_files.LockableFiles(self.transport,
"lock", lockable_files.TransportLock)
def open_branch(self, ignore_fallbacks=True):
return self._format.get_branch_format().open(self, _found=True)
def cloning_metadir(self, stacked=False):
"""Produce a metadir suitable for cloning with."""
return format_registry.make_bzrdir("default")
def sprout(self, url, revision_id=None, force_new_repo=False,
recurse='down', possible_transports=None,
accelerator_tree=None, hardlink=False, stacked=False,
source_branch=None):
# dirstate doesn't cope with accelerator_trees well
# that have a different control dir
return super(DummyForeignVcsDir, self).sprout(url=url,
revision_id=revision_id, force_new_repo=force_new_repo,
recurse=recurse, possible_transports=possible_transports,
hardlink=hardlink, stacked=stacked, source_branch=source_branch)
class ForeignVcsRegistryTests(TestCase):
"""Tests for the ForeignVcsRegistry class."""
def test_parse_revision_id_no_dash(self):
reg = foreign.ForeignVcsRegistry()
self.assertRaises(errors.InvalidRevisionId,
reg.parse_revision_id, "invalid")
def test_parse_revision_id_unknown_mapping(self):
reg = foreign.ForeignVcsRegistry()
self.assertRaises(errors.InvalidRevisionId,
reg.parse_revision_id, "unknown-foreignrevid")
def test_parse_revision_id(self):
reg = foreign.ForeignVcsRegistry()
vcs = DummyForeignVcs()
reg.register("dummy", vcs, "Dummy VCS")
self.assertEquals((("some", "foreign", "revid"), DummyForeignVcsMapping(vcs)),
reg.parse_revision_id("dummy-v1:some-foreign-revid"))
class ForeignRevisionTests(TestCase):
"""Tests for the ForeignRevision class."""
def test_create(self):
mapp = DummyForeignVcsMapping(DummyForeignVcs())
rev = foreign.ForeignRevision(("a", "foreign", "revid"),
mapp, "roundtripped-revid")
self.assertEquals("", rev.inventory_sha1)
self.assertEquals(("a", "foreign", "revid"), rev.foreign_revid)
self.assertEquals(mapp, rev.mapping)
class ShowForeignPropertiesTests(TestCase):
"""Tests for the show_foreign_properties() function."""
def setUp(self):
super(ShowForeignPropertiesTests, self).setUp()
self.vcs = DummyForeignVcs()
foreign.foreign_vcs_registry.register("dummy",
self.vcs, "Dummy VCS")
def tearDown(self):
super(ShowForeignPropertiesTests, self).tearDown()
foreign.foreign_vcs_registry.remove("dummy")
def test_show_non_foreign(self):
"""Test use with a native (non-foreign) bzr revision."""
self.assertEquals({}, foreign.show_foreign_properties(Revision("arevid")))
def test_show_imported(self):
rev = Revision("dummy-v1:my-foreign-revid")
self.assertEquals({ "dummy ding": "my/foreign\\revid" },
foreign.show_foreign_properties(rev))
def test_show_direct(self):
rev = foreign.ForeignRevision(("some", "foreign", "revid"),
DummyForeignVcsMapping(self.vcs),
"roundtrip-revid")
self.assertEquals({ "dummy ding": "some/foreign\\revid" },
foreign.show_foreign_properties(rev))
class WorkingTreeFileUpdateTests(TestCaseWithTransport):
"""Tests for update_workingtree_fileids()."""
def test_update_workingtree(self):
wt = self.make_branch_and_tree('br1')
self.build_tree_contents([('br1/bla', 'original contents\n')])
wt.add('bla', 'bla-a')
wt.commit('bla-a')
target = wt.bzrdir.sprout('br2').open_workingtree()
target.unversion(['bla-a'])
target.add('bla', 'bla-b')
target.commit('bla-b')
target_basis = target.basis_tree()
target_basis.lock_read()
self.addCleanup(target_basis.unlock)
foreign.update_workingtree_fileids(wt, target_basis)
wt.lock_read()
try:
self.assertEquals(["TREE_ROOT", "bla-b"], list(wt.inventory))
finally:
wt.unlock()
class DummyForeignVcsTests(TestCaseWithTransport):
"""Very basic test for DummyForeignVcs."""
def setUp(self):
BzrDirFormat.register_control_format(DummyForeignVcsDirFormat)
self.addCleanup(self.unregister)
super(DummyForeignVcsTests, self).setUp()
def unregister(self):
try:
BzrDirFormat.unregister_control_format(DummyForeignVcsDirFormat)
except ValueError:
pass
def test_create(self):
"""Test we can create dummies."""
self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
dir = BzrDir.open("d")
self.assertEquals("A Dummy VCS Dir", dir._format.get_format_string())
dir.open_repository()
dir.open_branch()
dir.open_workingtree()
def test_sprout(self):
"""Test we can clone dummies and that the format is not preserved."""
self.make_branch_and_tree("d", format=DummyForeignVcsDirFormat())
dir = BzrDir.open("d")
newdir = dir.sprout("e")
self.assertNotEquals("A Dummy VCS Dir", newdir._format.get_format_string())
|