314 lines
13 KiB
Python
314 lines
13 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
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#
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# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
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#
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# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
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# Canada. All rights reserved.
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#------------------------------------------------------------------------------
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"""
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2400 - Module for testing session pools
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"""
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import base
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import cx_Oracle as oracledb
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import threading
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class TestCase(base.BaseTestCase):
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require_connection = False
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def __connect_and_drop(self):
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connection = self.pool.acquire()
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cursor = connection.cursor()
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cursor.execute("select count(*) from TestNumbers")
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count, = cursor.fetchone()
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self.assertEqual(count, 10)
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def __connect_and_generate_error(self):
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connection = self.pool.acquire()
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cursor = connection.cursor()
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self.assertRaises(oracledb.DatabaseError, cursor.execute,
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"select 1 / 0 from dual")
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def __verify_connection(self, connection, expected_user,
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expected_proxy_user=None):
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cursor = connection.cursor()
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cursor.execute("""
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select
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sys_context('userenv', 'session_user'),
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sys_context('userenv', 'proxy_user')
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from dual""")
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actual_user, actual_proxy_user = cursor.fetchone()
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self.assertEqual(actual_user, expected_user.upper())
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self.assertEqual(actual_proxy_user,
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expected_proxy_user and expected_proxy_user.upper())
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def test_2400_pool(self):
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"2400 - test that the pool is created and has the right attributes"
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pool = base.get_pool(min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT)
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self.assertEqual(pool.username, base.get_main_user(),
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"user name differs")
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self.assertEqual(pool.tnsentry, base.get_connect_string(),
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"tnsentry differs")
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self.assertEqual(pool.dsn, base.get_connect_string(), "dsn differs")
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self.assertEqual(pool.max, 8, "max differs")
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self.assertEqual(pool.min, 2, "min differs")
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self.assertEqual(pool.increment, 3, "increment differs")
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self.assertEqual(pool.opened, 2, "opened differs")
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self.assertEqual(pool.busy, 0, "busy not 0 at start")
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connection_1 = pool.acquire()
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self.assertEqual(pool.busy, 1, "busy not 1 after acquire")
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self.assertEqual(pool.opened, 2, "opened not unchanged (1)")
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connection_2 = pool.acquire()
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self.assertEqual(pool.busy, 2, "busy not 2 after acquire")
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self.assertEqual(pool.opened, 2, "opened not unchanged (2)")
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connection_3 = pool.acquire()
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self.assertEqual(pool.busy, 3, "busy not 3 after acquire")
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self.assertEqual(pool.opened, 5, "opened not changed (3)")
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pool.release(connection_3)
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self.assertEqual(pool.busy, 2, "busy not 2 after release")
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del connection_2
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self.assertEqual(pool.busy, 1, "busy not 1 after del")
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pool.getmode = oracledb.SPOOL_ATTRVAL_NOWAIT
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self.assertEqual(pool.getmode, oracledb.SPOOL_ATTRVAL_NOWAIT)
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if base.get_client_version() >= (12, 2):
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pool.getmode = oracledb.SPOOL_ATTRVAL_TIMEDWAIT
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self.assertEqual(pool.getmode, oracledb.SPOOL_ATTRVAL_TIMEDWAIT)
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pool.stmtcachesize = 50
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self.assertEqual(pool.stmtcachesize, 50)
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pool.timeout = 10
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self.assertEqual(pool.timeout, 10)
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if base.get_client_version() >= (12, 1):
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pool.max_lifetime_session = 10
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self.assertEqual(pool.max_lifetime_session, 10)
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def test_2401_proxy_auth(self):
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"2401 - test that proxy authentication is possible"
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pool = base.get_pool(min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT)
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self.assertEqual(pool.homogeneous, True,
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"homogeneous should be True by default")
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self.assertRaises(oracledb.DatabaseError, pool.acquire,
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user="missing_proxyuser")
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pool = base.get_pool(min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT,
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homogeneous=False)
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msg = "homogeneous should be False after setting it in the constructor"
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self.assertEqual(pool.homogeneous, False, msg)
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connection = pool.acquire(user=base.get_proxy_user())
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cursor = connection.cursor()
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cursor.execute('select user from dual')
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result, = cursor.fetchone()
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self.assertEqual(result, base.get_proxy_user().upper())
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def test_2402_rollback_on_del(self):
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"2402 - connection rolls back before being destroyed"
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pool = base.get_pool()
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute("truncate table TestTempTable")
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cursor.execute("insert into TestTempTable (IntCol) values (1)")
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pool = base.get_pool()
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute("select count(*) from TestTempTable")
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count, = cursor.fetchone()
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self.assertEqual(count, 0)
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def test_2403_rollback_on_release(self):
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"2403 - connection rolls back before released back to the pool"
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pool = base.get_pool()
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute("truncate table TestTempTable")
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cursor.execute("insert into TestTempTable (IntCol) values (1)")
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cursor.close()
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pool.release(connection)
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pool = base.get_pool()
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute("select count(*) from TestTempTable")
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count, = cursor.fetchone()
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self.assertEqual(count, 0)
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def test_2404_threading(self):
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"2404 - test session pool with multiple threads"
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self.pool = base.get_pool(min=5, max=20, increment=2, threaded=True,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT)
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threads = []
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for i in range(20):
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thread = threading.Thread(None, self.__connect_and_drop)
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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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def test_2405_threading_with_errors(self):
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"2405 - test session pool with multiple threads (with errors)"
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self.pool = base.get_pool(min=5, max=20, increment=2, threaded=True,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT)
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threads = []
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for i in range(20):
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thread = threading.Thread(None, self.__connect_and_generate_error)
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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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def test_2406_purity(self):
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"2406 - test session pool with various types of purity"
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pool = base.get_pool(min=1, max=8, increment=1,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT)
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# get connection and set the action
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action = "TEST_ACTION"
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connection = pool.acquire()
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connection.action = action
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cursor = connection.cursor()
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cursor.execute("select 1 from dual")
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cursor.close()
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pool.release(connection)
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self.assertEqual(pool.opened, 1, "opened (1)")
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# verify that the connection still has the action set on it
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connection = pool.acquire()
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cursor = connection.cursor()
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cursor.execute("select sys_context('userenv', 'action') from dual")
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result, = cursor.fetchone()
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self.assertEqual(result, action)
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cursor.close()
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pool.release(connection)
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self.assertEqual(pool.opened, 1, "opened (2)")
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# get a new connection with new purity (should not have state)
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connection = pool.acquire(purity=oracledb.ATTR_PURITY_NEW)
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cursor = connection.cursor()
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cursor.execute("select sys_context('userenv', 'action') from dual")
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result, = cursor.fetchone()
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self.assertEqual(result, None)
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cursor.close()
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self.assertEqual(pool.opened, 2, "opened (3)")
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pool.drop(connection)
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self.assertEqual(pool.opened, 1, "opened (4)")
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def test_2407_heterogeneous(self):
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"2407 - test heterogeneous pool with user and password specified"
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pool = base.get_pool(min=2, max=8, increment=3, homogeneous=False,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT)
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self.assertEqual(pool.homogeneous, 0)
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self.__verify_connection(pool.acquire(), base.get_main_user())
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self.__verify_connection(pool.acquire(base.get_main_user(),
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base.get_main_password()),
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base.get_main_user())
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self.__verify_connection(pool.acquire(base.get_proxy_user(),
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base.get_proxy_password()),
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base.get_proxy_user())
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user_str = "%s[%s]" % (base.get_main_user(), base.get_proxy_user())
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self.__verify_connection(pool.acquire(user_str,
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base.get_main_password()),
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base.get_proxy_user(), base.get_main_user())
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def test_2408_heterogenous_without_user(self):
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"2408 - test heterogeneous pool without user and password specified"
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pool = base.get_pool(user="", password="", min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT,
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homogeneous=False)
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self.__verify_connection(pool.acquire(base.get_main_user(),
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base.get_main_password()),
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base.get_main_user())
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self.__verify_connection(pool.acquire(base.get_proxy_user(),
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base.get_proxy_password()),
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base.get_proxy_user())
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user_str = "%s[%s]" % (base.get_main_user(), base.get_proxy_user())
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self.__verify_connection(pool.acquire(user_str,
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base.get_main_password()),
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base.get_proxy_user(), base.get_main_user())
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def test_2409_heterogeneous_wrong_password(self):
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"2409 - test heterogeneous pool with wrong password specified"
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pool = base.get_pool(min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_WAIT,
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homogeneous=False)
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self.assertRaises(oracledb.DatabaseError, pool.acquire,
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base.get_proxy_user(), "this is the wrong password")
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def test_2410_tagging_session(self):
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"2410 - test tagging a session"
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pool = base.get_pool(min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_NOWAIT)
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tag_mst = "TIME_ZONE=MST"
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tag_utc = "TIME_ZONE=UTC"
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conn = pool.acquire()
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self.assertEqual(conn.tag, None)
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pool.release(conn, tag=tag_mst)
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conn = pool.acquire()
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self.assertEqual(conn.tag, None)
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conn.tag = tag_utc
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conn.close()
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conn = pool.acquire(tag=tag_mst)
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self.assertEqual(conn.tag, tag_mst)
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conn.close()
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conn = pool.acquire(tag=tag_utc)
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self.assertEqual(conn.tag, tag_utc)
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conn.close()
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def test_2411_plsql_session_callbacks(self):
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"2411 - test PL/SQL session callbacks"
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if base.get_client_version() < (12, 2):
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self.skipTest("PL/SQL session callbacks not supported before 12.2")
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pool = base.get_pool(min=2, max=8, increment=3,
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getmode=oracledb.SPOOL_ATTRVAL_NOWAIT,
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sessionCallback="pkg_SessionCallback.TheCallback")
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tags = [
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"NLS_DATE_FORMAT=SIMPLE",
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"NLS_DATE_FORMAT=FULL;TIME_ZONE=UTC",
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"NLS_DATE_FORMAT=FULL;TIME_ZONE=MST"
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]
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actual_tags = [None, None, "NLS_DATE_FORMAT=FULL;TIME_ZONE=UTC"]
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# truncate PL/SQL session callback log
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conn = pool.acquire()
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cursor = conn.cursor()
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cursor.execute("truncate table PLSQLSessionCallbacks")
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conn.close()
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# request sessions with each of the first two tags
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for tag in tags[:2]:
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conn = pool.acquire(tag=tag)
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conn.close()
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# for the last tag, use the matchanytag flag
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conn = pool.acquire(tag=tags[2], matchanytag=True)
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conn.close()
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# verify the PL/SQL session callback log is accurate
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conn = pool.acquire()
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cursor = conn.cursor()
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cursor.execute("""
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select RequestedTag, ActualTag
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from PLSQLSessionCallbacks
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order by FixupTimestamp""")
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results = cursor.fetchall()
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expected_results = list(zip(tags, actual_tags))
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self.assertEqual(results, expected_results)
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def test_2412_tagging_invalid_key(self):
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"2412 - testTagging with Invalid key"
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pool = base.get_pool(getmode=oracledb.SPOOL_ATTRVAL_NOWAIT)
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conn = pool.acquire()
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self.assertRaises(TypeError, pool.release, conn, tag=12345)
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if base.get_client_version() >= (12, 2):
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self.assertRaises(oracledb.DatabaseError, pool.release, conn,
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tag="INVALID_TAG")
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if __name__ == "__main__":
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base.run_test_cases()
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