def check_connection(self):
self.conn=conn=Connection(self._get_storage())
self.root=root=conn.get_root()
assert root._p_is_ghost() == False
assert root is conn.get(int8_to_str(0))
assert root is conn.get(0)
assert conn is root._p_connection
assert conn.get(int8_to_str(1)) == None
conn.abort()
conn.commit()
assert root._p_is_ghost() == False
root['a'] = Persistent()
assert root._p_is_unsaved() == True
assert root['a']._p_is_unsaved() == True
root['a'].f=2
assert list(conn.changed.values()) == [root]
conn.commit()
assert root._p_is_saved()
assert list(conn.changed.values()) == []
root['a'] = Persistent()
assert list(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 check_connection(self):
self.conn = conn = Connection(self._get_storage())
self.root = root = conn.get_root()
assert root._p_is_ghost() == False
assert root is conn.get(int8_to_str(0))
assert root is conn.get(0)
assert conn is root._p_connection
assert conn.get(int8_to_str(1)) == None
conn.abort()
conn.commit()
assert root._p_is_ghost() == False
root['a'] = Persistent()
assert root._p_is_unsaved() == True
assert root['a']._p_is_unsaved() == True
root['a'].f = 2
assert list(conn.changed.values()) == [root]
conn.commit()
assert root._p_is_saved()
assert list(conn.changed.values()) == []
root['a'] = Persistent()
assert list(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 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.
raises(ValueError, s._persistent_id, x)
x.a = Persistent()
assert s.get_state(x), (
'\x80\x02cdurus.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.
raises(RuntimeError, s.gen_new_objects, 3)
s.close()
def 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 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 check_getstate(self):
p=Persistent()
assert p.__getstate__() == {}
p.a = 1
assert p.__getstate__() == {'a':1}
def check_getstate(self):
p=Persistent()
assert p.__getstate__() == {}
p.a = 1
assert p.__getstate__() == {'a':1}
