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# This file is part of python-sql. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import threading
import unittest
from sql import AliasManager, Table
class TestAliasManager(unittest.TestCase):
def setUp(self):
self.synchro = threading.Event()
self.succeed1 = threading.Event()
self.succeed2 = threading.Event()
self.finish1 = threading.Event()
self.finish2 = threading.Event()
self.t1 = Table('t1')
self.t2 = Table('t2')
def func1(self):
try:
with AliasManager(exclude=[self.t2]):
a1 = AliasManager.get(self.t1)
a2 = AliasManager.get(self.t2)
self.synchro.wait()
self.assertEqual(a1, AliasManager.get(self.t1))
self.assertEqual(a2, AliasManager.get(self.t2))
self.succeed1.set()
return
except Exception:
pass
finally:
self.finish1.set()
def func2(self):
try:
with AliasManager(exclude=[self.t2]):
a2 = AliasManager.get(self.t2)
a1 = AliasManager.get(self.t1)
self.synchro.set()
self.assertEqual(a1, AliasManager.get(self.t1))
self.assertEqual(a2, AliasManager.get(self.t2))
self.succeed2.set()
return
except Exception:
pass
finally:
self.synchro.set()
self.finish2.set()
def test_threading(self):
th1 = threading.Thread(target=self.func1)
th2 = threading.Thread(target=self.func2)
th1.start()
th2.start()
self.finish1.wait()
self.finish2.wait()
if not self.succeed1.is_set() or not self.succeed2.is_set():
self.fail()
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