def test_txn(self):
oid = self.createObject(RaleighDeque.TYPE)
deque = RaleighDeque(self.client, oid)
txn_1 = RaleighTransaction(self.client)
txn_1.begin()
txn_2 = RaleighTransaction(self.client)
txn_2.begin()
deque.push_front('A', txn_1.txn_id)
self.assertRaises(RaleighException, deque.push_front, 'B', txn_2.txn_id)
self.assertRaises(RaleighException, deque.push_front, 'B')
self.assertRaises(RaleighException, deque.pop_front, txn_2.txn_id)
self.assertRaises(RaleighException, deque.pop_front)
data = deque.pop_front(txn_1.txn_id)
self.assertEquals(data['data'], 'A')
deque.push_front('C', txn_1.txn_id)
txn_1.commit()
deque.push_back('D', txn_2.txn_id)
self.assertRaises(RaleighException, deque.push_back, 'E')
self.assertRaises(RaleighException, deque.pop_back)
data = deque.pop_back(txn_2.txn_id)
self.assertEquals(data['data'], 'D')
deque.push_back('F', txn_2.txn_id)
txn_2.rollback()
data = deque.pop_front()
self.assertEquals(data['data'], 'C')
def test_simple(self):
oid = self.createObject(RaleighDeque.TYPE)
deque = RaleighDeque(self.client, oid)
deque.push_front('A')
deque.push_front('B')
deque.push_back('C')
deque.push_back('D')
deque.push_front('E')
deque.push_back('F')
# E B A C D F
data = deque.pop_front()
self.assertEquals(data['data'], 'E')
data = deque.pop_front()
self.assertEquals(data['data'], 'B')
data = deque.pop_back()
self.assertEquals(data['data'], 'F')
data = deque.pop_back()
self.assertEquals(data['data'], 'D')
data = deque.pop_front()
self.assertEquals(data['data'], 'A')
data = deque.pop_back()
self.assertEquals(data['data'], 'C')
self.assertRaises(RaleighException, deque.pop_back)
self.assertRaises(RaleighException, deque.pop_front)