def test_hash(self):
key = 'dqtest-{}'.format(uuid4())
assert not Redis.hgetall(key)
assert not Redis.hget(key, '1')
assert Redis.hset(key, '1', '1')
assert Redis.hget(key, '1') == '1'
assert Redis.hset(key, '2', '3')
assert Redis.hget(key, '2') == '3'
assert Redis.hset(key, '3', {'cornell': '#1'})
assert Redis.hget(key, '3') == '{"cornell": "#1"}'
assert Redis.hgetall(key) == {
'1': '1', '2': '3', '3': '{"cornell": "#1"}'
}
assert Redis.hdelete(key, '1')
assert Redis.hgetall(key) == {'2': '3', '3': '{"cornell": "#1"}'}
assert Redis.delete(key)
assert not Redis.exists(key)
def test_atomic_rw_hash_user_abort(self):
def evaluator(x):
return None
Redis.hset('dqtest-rwh', 'key', 'meow')
succ, no_error = Redis.atomic_rw_hash('dqtest-rwh', 'key', evaluator)
assert not succ and no_error
assert Redis.hget('dqtest-rwh', 'key') == 'meow'
Redis.delete('dqtest-rwh')
def test_atomic_rw_hash(self):
def evaluator(x):
return x + '#1'
Redis.hset('dqtest-rwh', 'key', 'cornell ')
succ, no_error = Redis.atomic_rw_hash('dqtest-rwh', 'key', evaluator)
assert succ and no_error
assert Redis.hget('dqtest-rwh', 'key') == 'cornell #1'
Redis.delete('dqtest-rwh')
def test_atomic_rw_hash_error(self):
def change():
Redis.hset('dqtest-rwh', 'key', 'meow2')
def evaluator(x):
t = threading.Thread(target=change)
t.start()
sleep(0.5)
return x + '#1'
Redis.hset('dqtest-rwh', 'key', 'meow')
succ, no_error = Redis.atomic_rw_hash('dqtest-rwh', 'key', evaluator)
assert not succ and not no_error
assert Redis.hget('dqtest-rwh', 'key') == 'meow2'
Redis.delete('dqtest-rwh')