def test_a(self):
filename = tempfile.mktemp()
s = FileStorage2(filename)
connection = Connection(s)
root = connection.get_root()
root['a'] = Persistent()
root['a'].b = 1
connection.commit()
root['a'].b = 2
connection.commit()
s.close()
hc = HistoryConnection(filename)
a = hc.get_root()['a']
assert len(hc.get_storage().index.history) == 4
assert a.b == 2
hc.previous()
assert a.b == 1
hc.next()
assert a.b == 2
hc.previous()
assert a.b == 1
hc.previous()
assert a._p_is_ghost()
assert not hasattr(a, '__dict__')
assert isinstance(a, Persistent)
assert raises(KeyError, getattr, a, 'b')
assert hc.get(a._p_oid) is a
hc.next()
assert a.b == 1
hc.get_storage().fp.close()
os.unlink(filename)
def test_check_touch_every_reference(self):
connection = Connection(self._get_storage())
root = connection.get_root()
root['a'] = Persistent()
root['b'] = Persistent()
from schevo.store.persistent_list import PersistentList
root['b'].c = PersistentList()
connection.commit()
touch_every_reference(connection, 'PersistentList')
assert root['b']._p_is_unsaved()
assert root['b'].c._p_is_unsaved()
assert not root._p_is_unsaved()
def test_b(self):
filename = tempfile.mktemp()
s = FileStorage2(filename)
connection = Connection(s)
root = connection.get_root()
root['a'] = Persistent()
root['a'].b = 1
connection.commit()
root['b'] = Persistent()
connection.commit()
root['b'].a = root['a']
root['a'].b = 2
connection.commit()
root['a'].b = 3
connection.commit()
s.close()
hc = HistoryConnection(filename)
a = hc.get_root()['a']
assert len(hc.get_storage().index.history) == 6
hc.previous_instance(a)
assert a.b == 2
hc.previous_instance(a)
assert a.b == 1
hc.previous_instance(a)
assert not hasattr(a, '__dict__')
assert hc.get_root().keys() == []
hc.get_storage().fp.close()
os.unlink(filename)
class TestDurus(object):
def setUp(self):
self.connection = Connection(TempFileStorage())
def tearDown(self):
del self.connection
def test_a(self):
bt = self.connection.get_root()['bt'] = BTree()
t = bt.root.minimum_degree
assert self.connection.get_cache_count() == 1
for x in range(2 * t - 1):
bt.add(x)
self.connection.commit()
assert self.connection.get_cache_count() == 3
bt.add(2 * t - 1)
self.connection.commit()
assert self.connection.get_cache_count() == 5
def test_check_storage_tools(self):
connection = Connection(self._get_storage())
root = connection.get_root()
root['a'] = Persistent()
root['b'] = Persistent()
connection.commit()
index = get_reference_index(connection.get_storage())
assert index == {p64(1): [p64(0)], p64(2): [p64(0)]}
census = get_census(connection.get_storage())
assert census == {'PersistentDict':1, 'PersistentTester':2}
references = list(gen_referring_oid_record(connection.get_storage(),
p64(1)))
assert references == [(p64(0), connection.get_storage().load(p64(0)))]
class Fake(object):
pass
s = Fake()
s.__class__ = Storage
assert raises(RuntimeError, s.__init__)
assert raises(NotImplementedError, s.load, None)
assert raises(NotImplementedError, s.begin)
assert raises(NotImplementedError, s.store, None, None)
assert raises(NotImplementedError, s.end)
assert raises(NotImplementedError, s.sync)
assert raises(NotImplementedError, s.gen_oid_record)
