def test_check_object_writer(self):
class FakeConnection(ConnectionBase):
def new_oid(self):
return ROOT_OID
def note_access(self, obj):
pass
connection = FakeConnection()
self.s=s=ObjectWriter(connection)
x = Persistent()
assert x._p_connection == None
x._p_oid = ROOT_OID
x._p_connection = connection
assert s._persistent_id(x) == (ROOT_OID, Persistent)
x._p_connection = FakeConnection()
# connection of x no longer matches connection of s.
try:
s._persistent_id(x)
assert 0
except InvalidObjectReference: pass
x.a = Persistent()
assert s.get_state(x), (
'\x80\x02cschevo.store.persistent\nPersistent\nq\x01.\x80\x02}q'
'\x02U\x01aU\x08\x00\x00\x00\x00\x00\x00\x00\x00q\x03h\x01\x86Qs.',
'\x00\x00\x00\x00\x00\x00\x00\x00')
assert list(s.gen_new_objects(x)) == [x, x.a]
# gen_new_objects() can only be called once.
try:
s.gen_new_objects(3)
assert 0
except RuntimeError: pass
s.close()
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_accessors(self):
p=Persistent()
p._p_oid
assert p._p_format_oid() == 'None'
p._p_oid = p64(1)
assert p._p_format_oid() == '1'
assert repr(p) == "<PersistentTester 1>"
def test_check_connection(self):
self.conn=conn=Connection(self._get_storage())
self.root=root=conn.get_root()
assert root._p_is_ghost() == True
assert root is conn.get(p64(0))
assert root is conn.get(0)
assert conn is root._p_connection
assert conn.get(p64(1)) == None
conn.abort()
conn.commit()
assert root._p_is_ghost() == True
root['a'] = Persistent()
assert root._p_is_unsaved() == True
assert root['a']._p_is_unsaved() == True
root['a'].f=2
assert conn.changed.values() == [root]
conn.commit()
assert root._p_is_saved()
assert conn.changed.values() == []
root['a'] = Persistent()
assert conn.changed.values() == [root]
root['b'] = Persistent()
root['a'].a = 'a'
root['b'].b = 'b'
conn.commit()
root['a'].a = 'a'
root['b'].b = 'b'
conn.abort()
conn.shrink_cache()
root['b'].b = 'b'
del conn
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)
def test_check_shrink(self):
storage = self._get_storage()
self.conn=conn=Connection(storage, cache_size=3)
self.root=root=conn.get_root()
root['a'] = Persistent()
root['b'] = Persistent()
root['c'] = Persistent()
assert self.root._p_is_unsaved()
conn.commit()
root['a'].a = 1
conn.commit()
root['b'].b = 1
root['c'].c = 1
root['d'] = Persistent()
root['e'] = Persistent()
root['f'] = Persistent()
conn.commit()
root['f'].f = 1
root['g'] = Persistent()
conn.commit()
conn.pack()
def test_check_change(self):
p=Persistent()
p._p_changed == 0
p._p_note_change()
assert p._p_changed == True
def test_check_setstate(self):
p=Persistent()
p.__setstate__({})
p.__setstate__({'a':1})
assert p.a == 1
def test_check_getstate(self):
p=Persistent()
assert p.__getstate__() == {}
p.a = 1
assert p.__getstate__() == {'a':1}
