#------------------------------------------------------------------------------ # Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved. # # Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved. # # Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta, # Canada. All rights reserved. #------------------------------------------------------------------------------ """ 2400 - Module for testing session pools """ import TestEnv import cx_Oracle import threading class TestCase(TestEnv.BaseTestCase): def __ConnectAndDrop(self): """Connect to the database, perform a query and drop the connection.""" connection = self.pool.acquire() cursor = connection.cursor() cursor.execute("select count(*) from TestNumbers") count, = cursor.fetchone() self.assertEqual(count, 10) def __ConnectAndGenerateError(self): """Connect to the database, perform a query which raises an error""" connection = self.pool.acquire() cursor = connection.cursor() self.assertRaises(cx_Oracle.DatabaseError, cursor.execute, "select 1 / 0 from dual") def __VerifyConnection(self, connection, expectedUser, expectedProxyUser = None): cursor = connection.cursor() cursor.execute(""" select sys_context('userenv', 'session_user'), sys_context('userenv', 'proxy_user') from dual""") actualUser, actualProxyUser = cursor.fetchone() self.assertEqual(actualUser, expectedUser.upper()) self.assertEqual(actualProxyUser, expectedProxyUser and expectedProxyUser.upper()) def setUp(self): pass def tearDown(self): pass def test_2400_Pool(self): "2400 - test that the pool is created and has the right attributes" pool = TestEnv.GetPool(min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT) self.assertEqual(pool.username, TestEnv.GetMainUser(), "user name differs") self.assertEqual(pool.tnsentry, TestEnv.GetConnectString(), "tnsentry differs") self.assertEqual(pool.dsn, TestEnv.GetConnectString(), "dsn differs") self.assertEqual(pool.max, 8, "max differs") self.assertEqual(pool.min, 2, "min differs") self.assertEqual(pool.increment, 3, "increment differs") self.assertEqual(pool.opened, 2, "opened differs") self.assertEqual(pool.busy, 0, "busy not 0 at start") connection_1 = pool.acquire() self.assertEqual(pool.busy, 1, "busy not 1 after acquire") self.assertEqual(pool.opened, 2, "opened not unchanged (1)") connection_2 = pool.acquire() self.assertEqual(pool.busy, 2, "busy not 2 after acquire") self.assertEqual(pool.opened, 2, "opened not unchanged (2)") connection_3 = pool.acquire() self.assertEqual(pool.busy, 3, "busy not 3 after acquire") self.assertEqual(pool.opened, 5, "opened not changed (3)") pool.release(connection_3) self.assertEqual(pool.busy, 2, "busy not 2 after release") del connection_2 self.assertEqual(pool.busy, 1, "busy not 1 after del") pool.getmode = cx_Oracle.SPOOL_ATTRVAL_NOWAIT self.assertEqual(pool.getmode, cx_Oracle.SPOOL_ATTRVAL_NOWAIT) if TestEnv.GetClientVersion() >= (12, 2): pool.getmode = cx_Oracle.SPOOL_ATTRVAL_TIMEDWAIT self.assertEqual(pool.getmode, cx_Oracle.SPOOL_ATTRVAL_TIMEDWAIT) pool.stmtcachesize = 50 self.assertEqual(pool.stmtcachesize, 50) pool.timeout = 10 self.assertEqual(pool.timeout, 10) if TestEnv.GetClientVersion() >= (12, 1): pool.max_lifetime_session = 10 self.assertEqual(pool.max_lifetime_session, 10) def test_2401_ProxyAuth(self): "2401 - test that proxy authentication is possible" pool = TestEnv.GetPool(min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT) self.assertEqual(pool.homogeneous, 1, "homogeneous should be 1 by default") self.assertRaises(cx_Oracle.DatabaseError, pool.acquire, user = "missing_proxyuser") pool = TestEnv.GetPool(min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT, homogeneous=False) self.assertEqual(pool.homogeneous, 0, "homogeneous should be 0 after setting it in the constructor") connection = pool.acquire(user = TestEnv.GetProxyUser()) cursor = connection.cursor() cursor.execute('select user from dual') result, = cursor.fetchone() self.assertEqual(result, TestEnv.GetProxyUser().upper()) def test_2402_RollbackOnDel(self): "2402 - connection rolls back before being destroyed" pool = TestEnv.GetPool() connection = pool.acquire() cursor = connection.cursor() cursor.execute("truncate table TestTempTable") cursor.execute("insert into TestTempTable (IntCol) values (1)") pool = TestEnv.GetPool() connection = pool.acquire() cursor = connection.cursor() cursor.execute("select count(*) from TestTempTable") count, = cursor.fetchone() self.assertEqual(count, 0) def test_2403_RollbackOnRelease(self): "2403 - connection rolls back before released back to the pool" pool = TestEnv.GetPool() connection = pool.acquire() cursor = connection.cursor() cursor.execute("truncate table TestTempTable") cursor.execute("insert into TestTempTable (IntCol) values (1)") cursor.close() pool.release(connection) pool = TestEnv.GetPool() connection = pool.acquire() cursor = connection.cursor() cursor.execute("select count(*) from TestTempTable") count, = cursor.fetchone() self.assertEqual(count, 0) def test_2404_Threading(self): "2404 - test session pool with multiple threads" self.pool = TestEnv.GetPool(min=5, max=20, increment=2, threaded=True, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT) threads = [] for i in range(20): thread = threading.Thread(None, self.__ConnectAndDrop) threads.append(thread) thread.start() for thread in threads: thread.join() def test_2405_ThreadingWithErrors(self): "2405 - test session pool with multiple threads (with errors)" self.pool = TestEnv.GetPool(min=5, max=20, increment=2, threaded=True, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT) threads = [] for i in range(20): thread = threading.Thread(None, self.__ConnectAndGenerateError) threads.append(thread) thread.start() for thread in threads: thread.join() def test_2406_Purity(self): "2406 - test session pool with various types of purity" action = "TEST_ACTION" pool = TestEnv.GetPool(min=1, max=8, increment=1, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT) # get connection and set the action connection = pool.acquire() connection.action = action cursor = connection.cursor() cursor.execute("select 1 from dual") cursor.close() pool.release(connection) self.assertEqual(pool.opened, 1, "opened (1)") # verify that the connection still has the action set on it connection = pool.acquire() cursor = connection.cursor() cursor.execute("select sys_context('userenv', 'action') from dual") result, = cursor.fetchone() self.assertEqual(result, action) cursor.close() pool.release(connection) self.assertEqual(pool.opened, 1, "opened (2)") # get a new connection with new purity (should not have state) connection = pool.acquire(purity = cx_Oracle.ATTR_PURITY_NEW) cursor = connection.cursor() cursor.execute("select sys_context('userenv', 'action') from dual") result, = cursor.fetchone() self.assertEqual(result, None) cursor.close() self.assertEqual(pool.opened, 2, "opened (3)") pool.drop(connection) self.assertEqual(pool.opened, 1, "opened (4)") def test_2407_Heterogeneous(self): "2407 - test heterogeneous pool with user and password specified" pool = TestEnv.GetPool(min=2, max=8, increment=3, homogeneous=False, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT) self.assertEqual(pool.homogeneous, 0) self.__VerifyConnection(pool.acquire(), TestEnv.GetMainUser()) self.__VerifyConnection(pool.acquire(TestEnv.GetMainUser(), TestEnv.GetMainPassword()), TestEnv.GetMainUser()) self.__VerifyConnection(pool.acquire(TestEnv.GetProxyUser(), TestEnv.GetProxyPassword()), TestEnv.GetProxyUser()) userStr = "%s[%s]" % (TestEnv.GetMainUser(), TestEnv.GetProxyUser()) self.__VerifyConnection(pool.acquire(userStr, TestEnv.GetMainPassword()), TestEnv.GetProxyUser(), TestEnv.GetMainUser()) def test_2408_HeterogenousWithoutUser(self): "2408 - test heterogeneous pool without user and password specified" pool = TestEnv.GetPool(user="", password="", min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT, homogeneous=False) self.__VerifyConnection(pool.acquire(TestEnv.GetMainUser(), TestEnv.GetMainPassword()), TestEnv.GetMainUser()) self.__VerifyConnection(pool.acquire(TestEnv.GetProxyUser(), TestEnv.GetProxyPassword()), TestEnv.GetProxyUser()) userStr = "%s[%s]" % (TestEnv.GetMainUser(), TestEnv.GetProxyUser()) self.__VerifyConnection(pool.acquire(userStr, TestEnv.GetMainPassword()), TestEnv.GetProxyUser(), TestEnv.GetMainUser()) def test_2409_HeterogeneousWrongPassword(self): "2409 - test heterogeneous pool with wrong password specified" pool = TestEnv.GetPool(min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_WAIT, homogeneous=False) self.assertRaises(cx_Oracle.DatabaseError, pool.acquire, TestEnv.GetProxyUser(), "this is the wrong password") def test_2410_TaggingSession(self): "2410 - test tagging a session" pool = TestEnv.GetPool(min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_NOWAIT) tagMST = "TIME_ZONE=MST" tagUTC = "TIME_ZONE=UTC" conn = pool.acquire() self.assertEqual(conn.tag, None) pool.release(conn, tag=tagMST) conn = pool.acquire() self.assertEqual(conn.tag, None) conn.tag = tagUTC conn.close() conn = pool.acquire(tag=tagMST) self.assertEqual(conn.tag, tagMST) conn.close() conn = pool.acquire(tag=tagUTC) self.assertEqual(conn.tag, tagUTC) conn.close() def test_2411_PLSQLSessionCallbacks(self): "2411 - test PL/SQL session callbacks" clientVersion = cx_Oracle.clientversion() if clientVersion < (12, 2): self.skipTest("PL/SQL session callbacks not supported before 12.2") pool = TestEnv.GetPool(min=2, max=8, increment=3, getmode=cx_Oracle.SPOOL_ATTRVAL_NOWAIT, sessionCallback="pkg_SessionCallback.TheCallback") tags = ["NLS_DATE_FORMAT=SIMPLE", "NLS_DATE_FORMAT=FULL;TIME_ZONE=UTC", "NLS_DATE_FORMAT=FULL;TIME_ZONE=MST"] actualTags = [None, None, "NLS_DATE_FORMAT=FULL;TIME_ZONE=UTC"] # truncate PL/SQL session callback log conn = pool.acquire() cursor = conn.cursor() cursor.execute("truncate table PLSQLSessionCallbacks") conn.close() # request sessions with each of the first two tags for tag in tags[:2]: conn = pool.acquire(tag=tag) conn.close() # for the last tag, use the matchanytag flag conn = pool.acquire(tag=tags[2], matchanytag=True) conn.close() # verify the PL/SQL session callback log is accurate conn = pool.acquire() cursor = conn.cursor() cursor.execute(""" select RequestedTag, ActualTag from PLSQLSessionCallbacks order by FixupTimestamp""") results = cursor.fetchall() expectedResults = list(zip(tags, actualTags)) self.assertEqual(results, expectedResults) def test_2412_TaggingInvalidKey(self): "2412 - testTagging with Invalid key" pool = TestEnv.GetPool(getmode=cx_Oracle.SPOOL_ATTRVAL_NOWAIT) conn = pool.acquire() self.assertRaises(TypeError, pool.release, conn, tag=12345) clientVersion = cx_Oracle.clientversion() if clientVersion >= (12, 2): self.assertRaises(cx_Oracle.DatabaseError, pool.release, conn, tag="INVALID_TAG") if __name__ == "__main__": TestEnv.RunTestCases()