515bca0f96
things that need to be dealt with but the majority of the code has now been transformed to use either Unicode or encoded strings with Oracle.
99 lines
4.4 KiB
Python
99 lines
4.4 KiB
Python
"""Module for testing session pools."""
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import threading
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class TestConnection(TestCase):
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def __ConnectAndDrop(self):
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"""Connect to the database, perform a query and drop the connection."""
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connection = self.pool.acquire()
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cursor = connection.cursor()
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cursor.execute(u"select count(*) from TestNumbers")
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count, = cursor.fetchone()
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self.failUnlessEqual(count, 10)
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def testPool(self):
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"""test that the pool is created and has the right attributes"""
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 2, 8, 3)
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self.failUnlessEqual(pool.username, USERNAME, "user name differs")
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self.failUnlessEqual(pool.password, PASSWORD, "password differs")
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self.failUnlessEqual(pool.tnsentry, TNSENTRY, "tnsentry differs")
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self.failUnlessEqual(pool.max, 8, "max differs")
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self.failUnlessEqual(pool.min, 2, "min differs")
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self.failUnlessEqual(pool.increment, 3, "increment differs")
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self.failUnlessEqual(pool.opened, 2, "opened differs")
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self.failUnlessEqual(pool.busy, 0, "busy not 0 at start")
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connection_1 = pool.acquire()
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self.failUnlessEqual(pool.busy, 1, "busy not 1 after acquire")
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self.failUnlessEqual(pool.opened, 2, "opened not unchanged (1)")
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connection_2 = pool.acquire()
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self.failUnlessEqual(pool.busy, 2, "busy not 2 after acquire")
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self.failUnlessEqual(pool.opened, 2, "opened not unchanged (2)")
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connection_3 = pool.acquire()
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self.failUnlessEqual(pool.busy, 3, "busy not 3 after acquire")
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self.failUnlessEqual(pool.opened, 5, "opened not changed (3)")
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pool.release(connection_3)
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self.failUnlessEqual(pool.busy, 2, "busy not 2 after release")
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del connection_2
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self.failUnlessEqual(pool.busy, 1, "busy not 1 after del")
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def testProxyAuth(self):
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"""test that proxy authentication is possible"""
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 2, 8, 3)
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self.failUnlessEqual(pool.homogeneous, 1,
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"homogeneous should be 1 by default")
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self.failUnlessRaises(cx_Oracle.ProgrammingError, pool.acquire,
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user = "proxyuser")
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 2, 8, 3,
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homogeneous = False)
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self.failUnlessEqual(pool.homogeneous, 0,
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"homogeneous should be 0 after setting it in the constructor")
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user = u"%s_proxy" % USERNAME
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connection = pool.acquire(user = user)
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cursor = connection.cursor()
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cursor.execute(u'select user from dual')
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result, = cursor.fetchone()
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self.assertEqual(result, user.upper())
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def testRollbackOnDel(self):
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"connection rolls back before being destroyed"
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 1, 8, 3)
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute(u"truncate table TestExecuteMany")
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cursor.execute(u"insert into TestExecuteMany values (1)")
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 1, 8, 3)
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute(u"select count(*) from TestExecuteMany")
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count, = cursor.fetchone()
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self.failUnlessEqual(count, 0)
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def testRollbackOnRelease(self):
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"connection rolls back before released back to the pool"
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 1, 8, 3)
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute(u"truncate table TestExecuteMany")
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cursor.execute(u"insert into TestExecuteMany values (1)")
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pool.release(connection)
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pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 1, 8, 3)
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute(u"select count(*) from TestExecuteMany")
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count, = cursor.fetchone()
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self.failUnlessEqual(count, 0)
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def testThreading(self):
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"""test session pool to database with multiple threads"""
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self.pool = cx_Oracle.SessionPool(USERNAME, PASSWORD, TNSENTRY, 5, 20,
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2, threaded = True)
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threads = []
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for i in range(20):
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thread = threading.Thread(None, self.__ConnectAndDrop)
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threads.append(thread)
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thread.start()
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for thread in threads:
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thread.join()
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