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bzrlib/tests/interrepository_implementations/__init__.py
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# Copyright (C) 2006 by Canonical Ltd
 
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# Copyright (C) 2006 Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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# -*- coding: utf-8 -*-
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#
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rather than in tests/interrepository_implementations/*.py.
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"""
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from bzrlib.repository import (_legacy_formats,
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                               InterRepositoryTestProviderAdapter,
 
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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.repository import (
 
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                               InterKnitRepo,
 
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                               InterKnit1and2,
 
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                               InterModel1and2,
 
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                               InterRepository,
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                               )
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from bzrlib.tests import (
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                          adapt_modules,
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                          default_transport,
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                          TestLoader,
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                          TestSuite,
 
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                          TestScenarioApplier,
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                          )
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def test_suite():
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    result = TestSuite()
 
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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 InterRepositoryTestProviderAdapter(TestScenarioApplier):
 
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    """A tool to generate a suite testing multiple inter repository formats.
 
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    This is done by copying the test once for each interrepo provider and injecting
 
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    the transport_server, transport_readonly_server, repository_format and 
 
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    repository_to_format classes into each copy.
 
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    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, transport_server, transport_readonly_server, formats):
 
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        TestScenarioApplier.__init__(self)
 
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        self._transport_server = transport_server
 
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        self._transport_readonly_server = transport_readonly_server
 
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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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            (interrepo_class, repository_format, repository_format_to).
 
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        """
 
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        result = []
 
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        for interrepo_class, repository_format, repository_format_to in formats:
 
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            id = '%s,%s,%s' % (interrepo_class.__name__,
 
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                                repository_format.__class__.__name__,
 
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                                repository_format_to.__class__.__name__)
 
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            scenario = (id,
 
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                {"transport_server":self._transport_server,
 
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                 "transport_readonly_server":self._transport_readonly_server,
 
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                 "repository_format":repository_format,
 
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                 "interrepo_class":interrepo_class,
 
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                 "repository_format_to":repository_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 interrepo permutations to test."""
 
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        from bzrlib.repofmt import knitrepo, pack_repo, weaverepo
 
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        result = []
 
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        # test the default InterRepository between format 6 and the current 
 
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        # default format.
 
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        # XXX: robertc 20060220 reinstate this when there are two supported
 
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        # formats which do not have an optimal code path between them.
 
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        #result.append((InterRepository,
 
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        #               RepositoryFormat6(),
 
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        #               RepositoryFormatKnit1()))
 
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        for optimiser_class in InterRepository._optimisers:
 
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            format_to_test = optimiser_class._get_repo_format_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_to_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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        result.append((InterModel1and2,
 
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                       weaverepo.RepositoryFormat5(),
 
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                       knitrepo.RepositoryFormatKnit3()))
 
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        result.append((InterModel1and2,
 
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                       knitrepo.RepositoryFormatKnit1(),
 
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                       knitrepo.RepositoryFormatKnit3()))
 
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        result.append((InterKnit1and2,
 
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                       knitrepo.RepositoryFormatKnit1(),
 
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                       knitrepo.RepositoryFormatKnit3()))
 
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        result.append((InterKnitRepo,
 
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                       knitrepo.RepositoryFormatKnit1(),
 
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                       pack_repo.RepositoryFormatKnitPack1()))
 
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        result.append((InterKnitRepo,
 
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                       pack_repo.RepositoryFormatKnitPack1(),
 
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                       knitrepo.RepositoryFormatKnit1()))
 
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        result.append((InterKnitRepo,
 
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                       knitrepo.RepositoryFormatKnit3(),
 
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                       pack_repo.RepositoryFormatKnitPack3()))
 
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        result.append((InterKnitRepo,
 
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                       pack_repo.RepositoryFormatKnitPack3(),
 
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                       knitrepo.RepositoryFormatKnit3()))
 
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        return result
 
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class TestCaseWithInterRepository(TestCaseWithBzrDir):
 
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    def setUp(self):
 
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        super(TestCaseWithInterRepository, 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.repository_format._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 self.repository_format.initialize(made_control)
 
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    def make_to_repository(self, relpath):
 
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        made_control = self.make_bzrdir(relpath,
 
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            self.repository_format_to._matchingbzrdir)
 
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        return self.repository_format_to.initialize(made_control)
 
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def load_tests(basic_tests, module, loader):
 
165
    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_interrepository_implementations = [
 
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        'bzrlib.tests.interrepository_implementations.test_fetch',
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        'bzrlib.tests.interrepository_implementations.test_interrepository',
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        ]
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    adapter = InterRepositoryTestProviderAdapter(
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        None,
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        InterRepositoryTestProviderAdapter.default_test_list()
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        )
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    loader = TestLoader()
 
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    # add the tests for the sub modules
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    adapt_modules(test_interrepository_implementations, adapter, loader, result)
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    return result