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|
#------------------------------------------------------------------------------
# Copyright (c) 2021, 2022, Oracle and/or its affiliates.
#
# This software is dual-licensed to you under the Universal Permissive License
# (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
# either license.
#
# If you elect to accept the software under the Apache License, Version 2.0,
# the following applies:
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#------------------------------------------------------------------------------
"""
3600 - Module for testing the conversions of outputtype handler.
"""
import datetime
import decimal
import unittest
import oracledb
import test_env
class TestCase(test_env.BaseTestCase):
def __test_type_handler(self, input_type, output_type, in_value,
expected_out_value):
def type_handler(cursor, name, default_type, size, precision, scale):
return cursor.var(output_type, arraysize=cursor.arraysize)
self.cursor.outputtypehandler = type_handler
var = self.cursor.var(input_type)
var.setvalue(0, in_value)
self.cursor.execute("select :1 from dual", [var])
fetched_value, = self.cursor.fetchone()
self.assertEqual(type(fetched_value), type(expected_out_value))
self.assertEqual(fetched_value, expected_out_value)
def __test_type_handler_lob(self, lob_type, output_type):
db_type = getattr(oracledb, lob_type)
def type_handler(cursor, name, default_type, size, precision, scale):
if default_type == db_type:
return cursor.var(output_type, arraysize=cursor.arraysize)
self.cursor.outputtypehandler = type_handler
in_value = f"Some {lob_type} data"
if lob_type == "BLOB":
in_value = in_value.encode()
self.cursor.execute(f"truncate table Test{lob_type}s")
self.cursor.execute(f"""
insert into Test{lob_type}s
(IntCol, {lob_type}Col)
values(1, :val)""",
val=in_value)
self.connection.commit()
self.cursor.execute(f"""
select
{lob_type}Col,
IntCol,
{lob_type}Col
from Test{lob_type}s""")
self.assertEqual(self.cursor.fetchone(), (in_value, 1, in_value))
def setUp(self):
super().setUp()
stmt = "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'" \
"NLS_TIMESTAMP_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF6'" \
"NLS_TIMESTAMP_TZ_FORMAT = 'YYYY-MM-DD HH24:MI:SS.FF6'" \
"time_zone='Europe/London'"
self.cursor.execute(stmt)
def test_3600_VARCHAR_to_NUMBER(self):
"3600 - output type handler conversion from VARCHAR to NUMBER"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_NUMBER, "31.5", 31.5)
def test_3601_CHAR_to_NUMBER(self):
"3601 - output type handler conversion from CHAR to NUMBER"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_NUMBER, "31.5", 31.5)
def test_3602_LONG_to_NUMBER(self):
"3602 - output type handler conversion from LONG to NUMBER"
self.__test_type_handler(oracledb.DB_TYPE_LONG,
oracledb.DB_TYPE_NUMBER, "31.5", 31.5)
def test_3603_BINT_to_NUMBER(self):
"3603 - test output type handler conversion from INTEGER to NUMBER"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_INTEGER,
oracledb.DB_TYPE_NUMBER, 31, 31.0)
def test_3604_VARCHAR_to_BINT(self):
"3604 - output type handler conversion from VARCHAR to INTEGER"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_BINARY_INTEGER, "31.5", 31)
def test_3605_CHAR_to_BINT(self):
"3605 - output type handler conversion from CHAR to INTEGER"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_BINARY_INTEGER, "31.5", 31)
def test_3606_LONG_to_BINT(self):
"3606 - output type handler conversion from LONG to INTEGER"
self.__test_type_handler(oracledb.DB_TYPE_LONG,
oracledb.DB_TYPE_BINARY_INTEGER, "31.5", 31)
def test_3607_NUMBER_to_BINT(self):
"3607 - output type handler conversion from NUMBER to INTEGER"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_BINARY_INTEGER, 31.5, 31)
def test_3608_BINARY_DOUBLE_to_BINT(self):
"3608 - output type handler conversion from DOUBLE to INTEGER"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_DOUBLE,
oracledb.DB_TYPE_BINARY_INTEGER, 31.5, 31)
def test_3609_BINARY_FLOAT_to_BINT(self):
"3609 - output type handler conversion from FLOAT to INTEGER"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_FLOAT,
oracledb.DB_TYPE_BINARY_INTEGER, 31.5, 31)
def test_3610_DATE_to_VARCHAR(self):
"3610 - output type handler conversion from DATE to VARCHAR"
in_val = datetime.date(2021, 2, 1)
out_val = "2021-02-01 00:00:00"
self.__test_type_handler(oracledb.DB_TYPE_DATE,
oracledb.DB_TYPE_VARCHAR, in_val, out_val)
def test_3611_DATE_to_CHAR(self):
"3611 - output type handler conversion from DATE to CHAR"
in_val = datetime.date(2021, 2, 1)
out_val = "2021-02-01 00:00:00"
self.__test_type_handler(oracledb.DB_TYPE_DATE,
oracledb.DB_TYPE_CHAR, in_val, out_val)
def test_3612_DATE_to_LONG(self):
"3612 - output type handler conversion from DATE to LONG"
in_val = datetime.date(2021, 2, 1)
out_val = "2021-02-01 00:00:00"
self.__test_type_handler(oracledb.DB_TYPE_DATE,
oracledb.DB_TYPE_LONG, in_val , out_val)
def test_3613_NUMBER_to_VARCHAR(self):
"3613 - output type handler conversion from NUMBER to VARCHAR"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_VARCHAR, 31.5, "31.5")
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_VARCHAR, 0, "0")
def test_3614_NUMBER_to_CHAR(self):
"3614 - output type handler conversion from NUMBER to CHAR"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_CHAR, 31.5, "31.5")
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_CHAR, 0, "0")
def test_3615_NUMBER_to_LONG(self):
"3615 - output type handler conversion from NUMBER to LONG"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_LONG, 31.5, "31.5")
def test_3616_INTERVAL_to_VARCHAR(self):
"3616 - output type handler conversion from INTERVAL to VARCHAR"
in_val = datetime.timedelta(days=-1, seconds=86314,
microseconds=431152)
if test_env.get_is_thin():
out_val = str(in_val)
else:
out_val = "-000000001 23:58:34.431152000"
self.__test_type_handler(oracledb.DB_TYPE_INTERVAL_DS,
oracledb.DB_TYPE_VARCHAR, in_val, out_val)
def test_3617_INTERVAL_to_CHAR(self):
"3617 - output type handler conversion from INTERVAL to CHAR"
in_val = datetime.timedelta(days=-1, seconds=86314,
microseconds=431152)
if test_env.get_is_thin():
out_val = str(in_val)
else:
out_val = "-000000001 23:58:34.431152000"
self.__test_type_handler(oracledb.DB_TYPE_INTERVAL_DS,
oracledb.DB_TYPE_CHAR, in_val, out_val)
def test_3618_INTERVAL_to_LONG(self):
"3618 - output type handler conversion from INTERVAL to LONG"
in_val = datetime.timedelta(days=-1, seconds=86314,
microseconds=431152)
if test_env.get_is_thin():
out_val = str(in_val)
else:
out_val = "-000000001 23:58:34.431152000"
self.__test_type_handler(oracledb.DB_TYPE_INTERVAL_DS,
oracledb.DB_TYPE_LONG, in_val, out_val)
def test_3619_TIMESTAMP_to_VARCHAR(self):
"3619 - output type handler conversion from TIMESTAMP to VARCHAR"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP,
oracledb.DB_TYPE_VARCHAR, in_val, str(in_val))
def test_3620_TIMESTAMP_to_CHAR(self):
"3620 - output type handler conversion from TIMESTAMP to CHAR"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP,
oracledb.DB_TYPE_CHAR, in_val, str(in_val))
def test_3621_TIMESTAMP_to_LONG(self):
"3621 - output type handler conversion from TIMESTAMP to LONG"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP,
oracledb.DB_TYPE_LONG, in_val, str(in_val))
def test_3622_TIMESTAMP_TZ_to_VARCHAR(self):
"3622 - output type handler conversion from TIMESTAMP_TZ to VARCHAR"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_TZ,
oracledb.DB_TYPE_VARCHAR, in_val, str(in_val))
def test_3623_TIMESTAMP_TZ_to_CHAR(self):
"3623 - output type handler conversion from TIMESTAMP_TZ to CHAR"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_TZ,
oracledb.DB_TYPE_CHAR, in_val, str(in_val))
def test_3624_TIMESTAMP_TZ_to_LONG(self):
"3624 - output type handler conversion from TIMESTAMP_TZ to LONG"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_TZ,
oracledb.DB_TYPE_LONG, in_val, str(in_val))
def test_3625_TIMESTAMP_LTZ_to_VARCHAR(self):
"3625 - output type handler conversion from TIMESTAMP_LTZ to VARCHAR"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_LTZ,
oracledb.DB_TYPE_VARCHAR, in_val, str(in_val))
def test_3626_TIMESTAMP_LTZ_to_CHAR(self):
"3626 - output type handler conversion from TIMESTAMP_LTZ to CHAR"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_LTZ,
oracledb.DB_TYPE_CHAR, in_val, str(in_val))
def test_3627_TIMESTAMP_LTZ_to_LONG(self):
"3627 - output type handler conversion from TIMESTAMP_LTZ to LONG"
in_val = datetime.datetime(2002, 12, 17, 1, 2, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_LTZ,
oracledb.DB_TYPE_LONG, in_val, str(in_val))
def test_3628_BINT_to_VARCHAR(self):
"3628 - output type handler conversion from INTEGER to VARCHAR"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_INTEGER,
oracledb.DB_TYPE_VARCHAR, 31, "31")
def test_3629_BINT_to_CHAR(self):
"3629 - output type handler conversion from INTEGER to CHAR"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_INTEGER,
oracledb.DB_TYPE_CHAR, 31, "31")
def test_3630_BINT_to_LONG(self):
"3630 - output type handler conversion from INTEGER to LONG"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_INTEGER,
oracledb.DB_TYPE_LONG, 31, "31")
def test_3631_NUMBER_to_BINARY_DOUBLE(self):
"3631 - output type handler conversion from NUMBER to DOUBLE"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_BINARY_DOUBLE, 31.5, 31.5)
def test_3632_BINARY_FLOAT_to_BINARY_DOUBLE(self):
"3632 - output type handler conversion from FLOAT to DOUBLE"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_FLOAT,
oracledb.DB_TYPE_BINARY_DOUBLE, 31.5, 31.5)
def test_3633_VARCHAR_to_BINARY_DOUBLE(self):
"3633 - output type handler conversion from VARCHAR to DOUBLE"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_BINARY_DOUBLE, "31.5", 31.5)
def test_3634_CHAR_to_BINARY_DOUBLE(self):
"3634 - output type handler conversion from CHAR to DOUBLE"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_BINARY_DOUBLE, "31.5", 31.5)
def test_3635_LONG_to_BINARY_DOUBLE(self):
"3635 - output type handler conversion from LONG to DOUBLE"
self.__test_type_handler(oracledb.DB_TYPE_LONG,
oracledb.DB_TYPE_BINARY_DOUBLE, "31.5", 31.5)
def test_3636_NUMBER_to_BINARY_FLOAT(self):
"3636 - output type handler conversion from NUMBER to FLOAT"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER,
oracledb.DB_TYPE_BINARY_FLOAT, 31.5, 31.5)
def test_3637_BINARY_DOUBLE_to_BINARY_FLOAT(self):
"3637 - output type handler conversion from DOUBLE to FLOAT"
self.__test_type_handler(oracledb.DB_TYPE_BINARY_DOUBLE,
oracledb.DB_TYPE_BINARY_FLOAT, 31.5, 31.5)
def test_3638_VARCHAR_to_BINARY_FLOAT(self):
"3638 - output type handler conversion from VARCHAR to FLOAT"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_BINARY_FLOAT, "31.5", 31.5)
def test_3639_CHAR_to_BINARY_FLOAT(self):
"3639 - output type handler conversion from CHAR to FLOAT"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_BINARY_FLOAT, "31.5", 31.5)
def test_3640_LONG_to_BINARY_FLOAT(self):
"3640 - output type handler conversion from LONG to FLOAT"
self.__test_type_handler(oracledb.DB_TYPE_LONG,
oracledb.DB_TYPE_BINARY_FLOAT, "31.5", 31.5)
def test_3641_VARCHAR_to_CHAR(self):
"3641 - output type handler conversion from VARCHAR to CHAR"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_CHAR, "31.5", "31.5")
def test_3642_VARCHAR_to_LONG(self):
"3642 - output type handler conversion from VARCHAR to LONG"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_LONG, "31.5", "31.5")
def test_3643_LONG_to_VARCHAR(self):
"3643 - output type handler conversion from LONG to VARCHAR"
self.__test_type_handler(oracledb.DB_TYPE_LONG,
oracledb.DB_TYPE_VARCHAR, "31.5", "31.5")
def test_3644_LONG_to_CHAR(self):
"3644 - output type handler conversion from LONG to CHAR"
self.__test_type_handler(oracledb.DB_TYPE_LONG,
oracledb.DB_TYPE_CHAR, "31.5", "31.5")
def test_3645_CHAR_to_VARCHAR(self):
"3645 - output type handler conversion from CHAR to VARCHAR"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_VARCHAR, "31.5", "31.5")
def test_3646_CHAR_to_LONG(self):
"3646 - output type handler conversion from CHAR to LONG"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_LONG, "31.5", "31.5")
def test_3647_TIMESTAMP_to_TIMESTAMP_TZ(self):
"3647 - output type handler conversion from TIMESTAMP to TIMESTAMP_TZ"
val = datetime.datetime(2002, 12, 17, 0, 0, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP,
oracledb.DB_TYPE_TIMESTAMP_TZ, val, val)
def test_3648_TIMESTAMP_to_TIMESTAMP_LTZ(self):
"3648 - output type handler conversion from TIMESTAMP to TIMESTAMP_LTZ"
val = datetime.datetime(2002, 12, 17, 0, 0, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP,
oracledb.DB_TYPE_TIMESTAMP_LTZ, val, val)
def test_3649_TIMESTAMP_TZ_to_TIMESTAMP(self):
"3649 - output type handler from conversion TIMESTAMP_TZ to TIMESTAMP"
val = datetime.datetime(2002, 12, 17, 0, 0, 16, 400000)
self.__test_type_handler(oracledb.DB_TYPE_TIMESTAMP_TZ,
oracledb.DB_TYPE_TIMESTAMP, val, val)
def test_3650_NUMBER_TO_DATE(self):
"3650 - output type handler conversion from NUMBER to DATE is invalid"
self.assertRaisesRegex(oracledb.DatabaseError,
"^DPY-4007:|^ORA-00932:",
self.__test_type_handler,
oracledb.DB_TYPE_NUMBER, oracledb.DB_TYPE_DATE,
3, 3)
def test_3651_CLOB_TO_CHAR(self):
"3651 - output type handler conversion from CLOB to CHAR"
val = "Some Clob String"
self.__test_type_handler(oracledb.DB_TYPE_CLOB,
oracledb.DB_TYPE_CHAR, val, val)
def test_3652_CLOB_TO_VARCHAR(self):
"3652 - output type handler conversion from CLOB to VARCHAR"
val = "Some Clob String"
self.__test_type_handler(oracledb.DB_TYPE_CLOB,
oracledb.DB_TYPE_VARCHAR, val, val)
def test_3653_CLOB_TO_LONG(self):
"3653 - output type handler conversion from CLOB to LONG"
val = "Some Clob String"
self.__test_type_handler(oracledb.DB_TYPE_CLOB,
oracledb.DB_TYPE_LONG, val, val)
def test_3654_BLOB_TO_RAW(self):
"3654 - output type handler conversion from BLOB to RAW"
val = b"Some binary data"
self.__test_type_handler(oracledb.DB_TYPE_BLOB,
oracledb.DB_TYPE_RAW, val, val)
def test_3655_BLOB_TO_LONG_RAW(self):
"3655 - output type handler conversion from BLOB to LONGRAW"
val = b"Some binary data"
self.__test_type_handler(oracledb.DB_TYPE_BLOB,
oracledb.DB_TYPE_LONG_RAW, val, val)
def test_3656_BLOB_TO_LONG_RAW(self):
"3656 - output type handler conversion from permanent BLOBs to LONG_RAW"
self.__test_type_handler_lob("BLOB", oracledb.DB_TYPE_LONG_RAW)
def test_3657_BLOB_TO_RAW(self):
"3657 - output type handler conversion from permanent BLOBs to RAW"
self.__test_type_handler_lob("BLOB", oracledb.DB_TYPE_RAW)
def test_3658_CLOB_TO_VARCHAR(self):
"3658 - output type handler conversion from permanent CLOBs to VARCHAR"
self.__test_type_handler_lob("CLOB", oracledb.DB_TYPE_VARCHAR)
def test_3659_CLOB_TO_CHAR(self):
"3659 - output type handler conversion from permanent CLOBs to CHAR"
self.__test_type_handler_lob("CLOB", oracledb.DB_TYPE_CHAR)
def test_3660_CLOB_TO_LONG(self):
"3660 - output type handler conversion from permanent CLOBs to LONG"
self.__test_type_handler_lob("CLOB", oracledb.DB_TYPE_LONG)
def test_3661_NCLOB_TO_CHAR(self):
"3661 - output type handler conversion from NCLOB to CHAR"
val = "Some nclob data"
self.__test_type_handler(oracledb.DB_TYPE_NCLOB,
oracledb.DB_TYPE_CHAR, val, val)
def test_3662_NCLOB_TO_VARCHAR(self):
"3662 - output type handler conversion from NCLOB to VARCHAR"
val = "Some nclob data"
self.__test_type_handler(oracledb.DB_TYPE_NCLOB,
oracledb.DB_TYPE_VARCHAR, val, val)
def test_3663_NCLOB_TO_LONG(self):
"3663 - output type handler conversion from NCLOB to LONG"
val = "Some nclob data"
self.__test_type_handler(oracledb.DB_TYPE_NCLOB,
oracledb.DB_TYPE_LONG, val, val)
def test_3664_NCLOB_TO_VARCHAR(self):
"3664 - output type handler conversion from permanent NCLOBs to VARCHAR"
self.__test_type_handler_lob("NCLOB", oracledb.DB_TYPE_VARCHAR)
def test_3665_NCLOB_TO_CHAR(self):
"3665 - output type handler conversion from permanent NCLOBs to CHAR"
self.__test_type_handler_lob("NCLOB", oracledb.DB_TYPE_CHAR)
def test_3666_NCLOB_TO_LONG(self):
"3666 - output type handler conversion from permanent NCLOBs to LONG"
self.__test_type_handler_lob("NCLOB", oracledb.DB_TYPE_LONG)
def test_3667_NVARCHAR_to_VARCHAR(self):
"3667 - output type handler conversion from NVARCHAR to VARCHAR"
self.__test_type_handler(oracledb.DB_TYPE_NVARCHAR,
oracledb.DB_TYPE_VARCHAR, "31.5", "31.5")
def test_3668_VARCHAR_to_NVARCHAR(self):
"3668 - output type handler conversion from VARCHAR to NVARCHAR"
self.__test_type_handler(oracledb.DB_TYPE_VARCHAR,
oracledb.DB_TYPE_NVARCHAR, "31.5", "31.5")
def test_3669_NCHAR_to_CHAR(self):
"3669 - output type handler conversion from NCHAR to CHAR"
self.__test_type_handler(oracledb.DB_TYPE_NCHAR,
oracledb.DB_TYPE_CHAR, "31.5", "31.5")
def test_3670_CHAR_to_NCHAR(self):
"3670 - output type handler conversion from CHAR to NCHAR"
self.__test_type_handler(oracledb.DB_TYPE_CHAR,
oracledb.DB_TYPE_NCHAR, "31.5", "31.5")
def test_3671_incorrect_arraysize(self):
"3671 - execute raises an error if an incorrect arraysize is used"
def type_handler(cursor, name, default_type, size,
precision, scale):
return cursor.var(str)
cursor = self.connection.cursor()
cursor.arraysize = 100
cursor.outputtypehandler = type_handler
self.assertRaisesRegex(oracledb.ProgrammingError, "^DPY-2016:",
cursor.execute, "select :1 from dual", [5])
def test_3672_incorrect_outputtypehandler_return_type(self):
"3672 - execute raises an error if a var is not returned"
def type_handler(cursor, name, default_type, size,
precision, scale):
return "incorrect_return"
cursor = self.connection.cursor()
cursor.outputtypehandler = type_handler
self.assertRaisesRegex(oracledb.ProgrammingError, "^DPY-2015:",
cursor.execute, "select :1 from dual", [5])
def test_3673_NUMBER_to_DECIMAL(self):
"3673 - output type handler conversion from NUMBER to decimal.Decimal"
self.__test_type_handler(oracledb.DB_TYPE_NUMBER, decimal.Decimal,
31.5, decimal.Decimal("31.5"))
self.__test_type_handler(oracledb.DB_TYPE_NUMBER, decimal.Decimal, 0,
decimal.Decimal("0"))
def test_3674_cursor_description_unchanged(self):
"3674 - use of output type handler does not affect description"
def type_handler(cursor, name, default_type, size,
precision, scale):
return cursor.var(str, arraysize=cursor.arraysize)
with self.connection.cursor() as cursor:
cursor.execute("select user from dual")
desc_before = cursor.description
with self.connection.cursor() as cursor:
cursor.outputtypehandler = type_handler
cursor.execute("select user from dual")
self.assertEqual(cursor.description, desc_before)
if __name__ == "__main__":
test_env.run_test_cases()
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