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# Copyright (C) 2006, 2007 Canonical Ltd
# Authors: Robert Collins <robert.collins@canonical.com>
# and others
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Branch implementation tests for bzr.
These test the conformance of all the branch variations to the expected API.
Specific tests for individual formats are in the tests/test_branch file
rather than in tests/branch_implementations/*.py.
"""
from bzrlib import (
errors,
tests,
)
from bzrlib.branch import (BranchFormat,
_legacy_formats,
)
from bzrlib.remote import RemoteBranchFormat, RemoteBzrDirFormat
from bzrlib.smart.server import (
SmartTCPServer_for_testing,
ReadonlySmartTCPServer_for_testing,
)
from bzrlib.tests.bzrdir_implementations.test_bzrdir import TestCaseWithBzrDir
from bzrlib.transport.memory import MemoryServer
class BranchTestProviderAdapter(tests.TestScenarioApplier):
"""A tool to generate a suite testing multiple branch formats at once.
This is done by copying the test once for each transport and injecting
the transport_server, transport_readonly_server, and branch_format
classes into each copy. Each copy is also given a new id() to make it
easy to identify.
"""
def __init__(self, transport_server, transport_readonly_server, formats,
vfs_transport_factory=None):
self._transport_server = transport_server
self._transport_readonly_server = transport_readonly_server
self.scenarios = self.formats_to_scenarios(formats)
def formats_to_scenarios(self, formats):
"""Transform the input formats to a list of scenarios.
:param formats: A list of (branch_format, bzrdir_format).
"""
result = []
for branch_format, bzrdir_format in formats:
# some branches don't have separate format objects.
# so we have a conditional here to handle them.
scenario_name = getattr(branch_format, '__name__',
branch_format.__class__.__name__)
scenario = (scenario_name, {
"transport_server":self._transport_server,
"transport_readonly_server":self._transport_readonly_server,
"bzrdir_format":bzrdir_format,
"branch_format":branch_format,
})
result.append(scenario)
return result
class TestCaseWithBranch(TestCaseWithBzrDir):
"""This helper will be adapted for each branch_implementation test."""
def setUp(self):
super(TestCaseWithBranch, self).setUp()
self.branch = None
def get_branch(self):
if self.branch is None:
self.branch = self.make_branch('')
return self.branch
def make_branch(self, relpath, format=None):
repo = self.make_repository(relpath, format=format)
# fixme RBC 20060210 this isnt necessarily a fixable thing,
# Skipped is the wrong exception to raise.
try:
return self.branch_format.initialize(repo.bzrdir)
except errors.UninitializableFormat:
raise tests.TestSkipped('Uninitializable branch format')
def make_repository(self, relpath, shared=False, format=None):
made_control = self.make_bzrdir(relpath, format=format)
return made_control.create_repository(shared=shared)
def create_tree_with_merge(self):
"""Create a branch with a simple ancestry.
The graph should look like:
digraph H {
"rev-1" -> "rev-2" -> "rev-3";
"rev-1" -> "rev-1.1.1" -> "rev-3";
}
Or in ASCII:
1
|\
2 1.1.1
|/
3
"""
tree = self.make_branch_and_memory_tree('tree')
tree.lock_write()
try:
tree.add('')
tree.commit('first', rev_id='rev-1')
tree.commit('second', rev_id='rev-1.1.1')
# Uncommit that last commit and switch to the other line
tree.branch.set_last_revision_info(1, 'rev-1')
tree.set_parent_ids(['rev-1'])
tree.commit('alt-second', rev_id='rev-2')
tree.set_parent_ids(['rev-2', 'rev-1.1.1'])
tree.commit('third', rev_id='rev-3')
finally:
tree.unlock()
return tree
def test_suite():
result = tests.TestSuite()
test_branch_implementations = [
'bzrlib.tests.branch_implementations.test_bound_sftp',
'bzrlib.tests.branch_implementations.test_branch',
'bzrlib.tests.branch_implementations.test_break_lock',
'bzrlib.tests.branch_implementations.test_create_checkout',
'bzrlib.tests.branch_implementations.test_commit',
'bzrlib.tests.branch_implementations.test_get_revision_id_to_revno_map',
'bzrlib.tests.branch_implementations.test_hooks',
'bzrlib.tests.branch_implementations.test_http',
'bzrlib.tests.branch_implementations.test_last_revision_info',
'bzrlib.tests.branch_implementations.test_locking',
'bzrlib.tests.branch_implementations.test_parent',
'bzrlib.tests.branch_implementations.test_permissions',
'bzrlib.tests.branch_implementations.test_pull',
'bzrlib.tests.branch_implementations.test_push',
'bzrlib.tests.branch_implementations.test_revision_history',
'bzrlib.tests.branch_implementations.test_revision_id_to_revno',
'bzrlib.tests.branch_implementations.test_sprout',
'bzrlib.tests.branch_implementations.test_tags',
'bzrlib.tests.branch_implementations.test_uncommit',
'bzrlib.tests.branch_implementations.test_update',
]
# Generate a list of branch formats and their associated bzrdir formats to
# use.
combinations = [(format, format._matchingbzrdir) for format in
BranchFormat._formats.values() + _legacy_formats]
adapter = BranchTestProviderAdapter(
# None here will cause the default vfs transport server to be used.
None,
# None here will cause a readonly decorator to be created
# by the TestCaseWithTransport.get_readonly_transport method.
None,
combinations)
loader = tests.TestLoader()
tests.adapt_modules(test_branch_implementations, adapter, loader, result)
adapt_to_smart_server = BranchTestProviderAdapter(
SmartTCPServer_for_testing,
ReadonlySmartTCPServer_for_testing,
[(RemoteBranchFormat(), RemoteBzrDirFormat())],
MemoryServer
)
tests.adapt_modules(test_branch_implementations,
adapt_to_smart_server,
loader,
result)
return result
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