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- Committer: Canonical.com Patch Queue Manager
- Date: 2009-02-25 23:52:42 UTC
- mfrom: (4000.5.8 interbranch)
- Revision ID: pqm@pqm.ubuntu.com-20090225235242-3h3yxyd8smf6b0g2
(Jelmer) Add InterBranch class.
- files added:
- bzrlib/tests/per_interbranch
- files modified:
- bzrlib/branch.py
added
removed
bzrlib/tests/per_interbranch/__init__.py
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# Copyright (C) 2009 Canonical Ltd
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# -*- coding: utf-8 -*-
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#
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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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#
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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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#
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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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"""InterBranch implementation tests for bzr.
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These test the conformance of all the interbranch variations to the
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expected API including generally applicable corner cases.
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Specific tests for individual formats are in the tests for the formats
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itself rather than in tests/per_interbranch/*.py.
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"""
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from bzrlib.branch import (
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GenericInterBranch,
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InterBranch,
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)
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from bzrlib.errors import (
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FileExists,
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UninitializableFormat,
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)
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from bzrlib.tests import (
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adapt_modules,
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TestScenarioApplier,
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)
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from bzrlib.tests.bzrdir_implementations.test_bzrdir import TestCaseWithBzrDir
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from bzrlib.transport import get_transport
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class InterBranchTestProviderAdapter(TestScenarioApplier):
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"""A tool to generate a suite testing multiple inter branch formats.
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This is done by copying the test once for each interbranch provider and
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injecting the branch_format_from and branch_to_format classes into each
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copy. Each copy is also given a new id() to make it easy to identify.
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"""
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def __init__(self, formats):
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TestScenarioApplier.__init__(self)
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self.scenarios = self.formats_to_scenarios(formats)
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def formats_to_scenarios(self, formats):
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"""Transform the input formats to a list of scenarios.
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:param formats: A list of tuples:
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(interbranch_class, branch_format_from, branch_format_to).
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"""
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result = []
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for interbranch_class, branch_format_from, branch_format_to in formats:
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id = '%s,%s,%s' % (interbranch_class.__name__,
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branch_format_from.__class__.__name__,
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branch_format_to.__class__.__name__)
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scenario = (id,
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{
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"branch_format_from":branch_format_from,
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"interbranch_class":interbranch_class,
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"branch_format_to":branch_format_to,
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})
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result.append(scenario)
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return result
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@staticmethod
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def default_test_list():
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"""Generate the default list of interbranch permutations to test."""
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result = []
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# test the default InterBranch between format 6 and the current
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# default format.
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for optimiser_class in InterBranch._optimisers:
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format_from_test, format_to_test = \
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optimiser_class._get_branch_formats_to_test()
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if format_to_test is not None:
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result.append((optimiser_class,
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format_from_test, format_to_test))
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# if there are specific combinations we want to use, we can add them
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# here.
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return result
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class TestCaseWithInterBranch(TestCaseWithBzrDir):
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def setUp(self):
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super(TestCaseWithInterBranch, self).setUp()
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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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return repo.bzrdir.create_branch()
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def make_bzrdir(self, relpath, format=None):
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try:
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url = self.get_url(relpath)
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segments = url.split('/')
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if segments and segments[-1] not in ('', '.'):
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parent = '/'.join(segments[:-1])
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t = get_transport(parent)
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try:
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t.mkdir(segments[-1])
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except FileExists:
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pass
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if format is None:
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format = self.branch_format_from._matchingbzrdir
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return format.initialize(url)
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except UninitializableFormat:
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raise TestSkipped("Format %s is not initializable." % format)
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def make_repository(self, relpath, format=None):
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made_control = self.make_bzrdir(relpath, format=format)
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return made_control.create_repository()
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def make_to_bzrdir(self, relpath):
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return self.make_bzrdir(relpath,
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self.branch_format_to._matchingbzrdir)
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def make_to_branch(self, relpath):
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made_control = self.make_to_bzrdir(relpath)
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return self.branch_format_to.initialize(made_control)
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def load_tests(basic_tests, module, loader):
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result = loader.suiteClass()
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# add the tests for this module
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result.addTests(basic_tests)
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test_interbranch_implementations = [
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'bzrlib.tests.per_interbranch.test_update_revisions',
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]
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adapter = InterBranchTestProviderAdapter(
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InterBranchTestProviderAdapter.default_test_list()
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)
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# add the tests for the sub modules
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adapt_modules(test_interbranch_implementations, adapter, loader, result)
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return result
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