Files
sqlalchemy/test/aaa_profiling/test_pool.py
T

64 lines
1.9 KiB
Python

from sqlalchemy import *
from test.lib import *
from sqlalchemy.pool import QueuePool
from sqlalchemy import pool as pool_module
class QueuePoolTest(fixtures.TestBase, AssertsExecutionResults):
__requires__ = 'cpython',
class Connection(object):
def rollback(self):
pass
def close(self):
pass
def teardown(self):
# the tests leave some fake connections
# around which dont necessarily
# get gc'ed as quickly as we'd like,
# on backends like pypy, python3.2
pool_module._refs.clear()
def setup(self):
global pool
pool = QueuePool(creator=self.Connection,
pool_size=3, max_overflow=-1,
use_threadlocal=True)
# the callcount on this test seems to vary
# based on tests that ran before (particularly py3k),
# probably
# due to the event mechanics being established
# or not already...
@profiling.function_call_count(72, {'2.4': 68, '2.7':75,
'2.7+cextension':75,
'3':62},
variance=.15)
def test_first_connect(self):
conn = pool.connect()
def test_second_connect(self):
conn = pool.connect()
conn.close()
@profiling.function_call_count(32, {'2.4': 21, '2.7':29,
'3.2':25,
'2.7+cextension':29},
variance=.10)
def go():
conn2 = pool.connect()
return conn2
c2 = go()
def test_second_samethread_connect(self):
conn = pool.connect()
@profiling.function_call_count(6, {'2.4': 4, '3':7})
def go():
return pool.connect()
c2 = go()