115 lines
4.5 KiB
Python
115 lines
4.5 KiB
Python
"""Module for testing connections."""
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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 = cx_Oracle.connect(self.username, self.password,
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self.tnsentry, threaded = True)
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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 setUp(self):
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self.username = USERNAME
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self.password = PASSWORD
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self.tnsentry = TNSENTRY
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def verifyArgs(self, connection):
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self.assertEqual(connection.username, self.username,
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"user name differs")
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self.assertEqual(connection.tnsentry, self.tnsentry,
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"tnsentry differs")
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def testAllArgs(self):
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"connection to database with user, password, TNS separate"
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connection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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self.verifyArgs(connection)
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def testBadConnectString(self):
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"connection to database with bad connect string"
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self.assertRaises(cx_Oracle.DatabaseError, cx_Oracle.connect,
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self.username)
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self.assertRaises(cx_Oracle.DatabaseError, cx_Oracle.connect,
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self.username + "@" + self.tnsentry)
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self.assertRaises(cx_Oracle.DatabaseError, cx_Oracle.connect,
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self.username + "@" + self.tnsentry + "/" + self.password)
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def testBadPassword(self):
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"connection to database with bad password"
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self.assertRaises(cx_Oracle.DatabaseError, cx_Oracle.connect,
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self.username, self.password + "X", self.tnsentry)
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def testExceptionOnClose(self):
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"confirm an exception is raised after closing a connection"
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connection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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connection.close()
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self.assertRaises(cx_Oracle.InterfaceError, connection.rollback)
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def testMakeDSN(self):
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"test making a data source name from host, port and sid"
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formatString = "(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)" + \
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"(HOST=%s)(PORT=%d)))(CONNECT_DATA=(SID=%s)))"
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args = ("hostname", 1521, "TEST")
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result = cx_Oracle.makedsn(*args)
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self.assertEqual(result, formatString % args)
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def testSingleArg(self):
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"connection to database with user, password, TNS together"
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connection = cx_Oracle.connect("%s/%s@%s" % \
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(self.username, self.password, self.tnsentry))
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self.verifyArgs(connection)
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def testVersion(self):
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"connection version is a string"
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connection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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self.assertTrue(isinstance(connection.version, str))
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def testRollbackOnClose(self):
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"connection rolls back before close"
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connection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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cursor = connection.cursor()
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cursor.execute("truncate table TestTempTable")
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otherConnection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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otherCursor = otherConnection.cursor()
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otherCursor.execute("insert into TestTempTable (IntCol) values (1)")
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otherConnection.close()
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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 testRollbackOnDel(self):
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"connection rolls back before destruction"
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connection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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cursor = connection.cursor()
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cursor.execute("truncate table TestTempTable")
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otherConnection = cx_Oracle.connect(self.username, self.password,
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self.tnsentry)
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otherCursor = otherConnection.cursor()
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otherCursor.execute("insert into TestTempTable (IntCol) values (1)")
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del otherCursor
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del otherConnection
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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 testThreading(self):
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"connection to database with multiple threads"
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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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