def setUp(self):
self.registry = base.Registry()
self.registry.register(Inside)
self.registry.register(MigratableDoc)
migration.get_registry().register(Migration())
self.db = emu.Database()
self.unserializer = dcommon.CouchdbUnserializer(registry=self.registry)
self.client = client.Connection(self.db, self.unserializer)
def setUp(self):
self.registry = r = migration.get_registry()
r.register(FakeMigration(source_ver=1, target_ver=3))
r.register(FakeMigration(source_ver=2, target_ver=3))
r.register(FakeMigration(source_ver=3, target_ver=4))
r.register(FakeMigration(source_ver=3, target_ver=5))
r.register(FakeMigration(source_ver=5, target_ver=6))
def plan_migration(cls, source, target):
# build up the shortest list of transformations which leads between
# versions
middle = range(source + 1, target)
registry = migration.get_registry()
for n_divisions in range(target - source):
# test all the possible paths between revisions in given
# number of steps
for division in itertools.combinations(middle, n_divisions):
s = source
migrations = list()
for index in division:
m = registry.lookup((cls.type_name, s, index))
if not m:
break
migrations.append(m)
s = index
else:
m = registry.lookup((cls.type_name, s, target))
if not m:
continue
migrations.append(m)
return migrations
raise NotMigratable((cls.type_name, source, target))
def __init__(self):
self.log_name = self.name
self.module = self.__module__
log.Logger.__init__(self, log.get_default())
self._restorators = serialization.get_registry()
self._agents = get_agent_registry()
self._views = get_view_registry()
self._initial_data = get_initial_data_registry()
self._adapters = iadapter.AdapterRegistry()
self._models = model.get_registry()
self._migrations = migration.get_registry()
