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#------------------------------------------------------------------------------
# Copyright (c) 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.
#------------------------------------------------------------------------------
"""
4800 - Module for testing timestamp with local time zone variables
"""
import datetime
import oracledb
import test_env
class TestCase(test_env.BaseTestCase):
def setUp(self):
super().setUp()
self.raw_data = []
self.data_by_key = {}
base_date = datetime.datetime(2022, 6, 2)
self.cursor.execute("alter session set time_zone = 'UTC'")
for i in range(1, 11):
if i % 4 == 0:
tz_hours = i
elif i % 2 == 0:
tz_hours = i + 0.5
else:
tz_hours = -(i + 0.5)
tz_offset = datetime.timedelta(hours=tz_hours)
microseconds = int(str(i * 50).ljust(6, "0"))
offset = datetime.timedelta(days=i, seconds=i * 2,
microseconds=microseconds)
col = base_date + tz_offset + offset
if i % 2:
tz_offset = datetime.timedelta(hours=6)
microseconds = int(str(i * 125).ljust(6, "0"))
offset = datetime.timedelta(days=i + 1,
seconds=i * 3,
microseconds=microseconds)
nullable_col = base_date + offset
else:
nullable_col = None
data_tuple = (i, col, nullable_col)
self.raw_data.append(data_tuple)
self.data_by_key[i] = data_tuple
def test_4800_bind_timestamp(self):
"4800 - test binding in a timestamp"
self.cursor.setinputsizes(value=oracledb.DB_TYPE_TIMESTAMP_LTZ)
self.cursor.execute("""
select * from TestTimestampLTZs
where TimestampLTZCol = :value""",
value=datetime.datetime(2022, 6, 6, 18, 30, 10, 250000))
self.assertEqual(self.cursor.fetchall(), [self.data_by_key[5]])
def test_4801_bind_null(self):
"4801 - test binding in a null"
self.cursor.setinputsizes(value=oracledb.DB_TYPE_TIMESTAMP_LTZ)
self.cursor.execute("""
select * from TestTimestampLTZs
where TimestampLTZCol = :value""",
value=None)
self.assertEqual(self.cursor.fetchall(), [])
def test_4802_bind_out_set_input_sizes(self):
"4802 - test binding out with set input sizes defined"
bv = self.cursor.setinputsizes(value=oracledb.DB_TYPE_TIMESTAMP_LTZ)
self.cursor.execute("""
begin
:value := to_timestamp('20220603', 'YYYYMMDD');
end;""")
self.assertEqual(bv["value"].getvalue(), datetime.datetime(2022, 6, 3))
def test_4803_bind_in_out_set_input_sizes(self):
"4803 - test binding in/out with set input sizes defined"
bv = self.cursor.setinputsizes(value=oracledb.DB_TYPE_TIMESTAMP_LTZ)
self.cursor.execute("""
begin
:value := :value + 5.25;
end;""",
value=datetime.datetime(2022, 5, 10, 12, 0, 0))
self.assertEqual(bv["value"].getvalue(),
datetime.datetime(2022, 5, 15, 18, 0, 0))
def test_4804_bind_out_var(self):
"4804 - test binding out with cursor.var() method"
var = self.cursor.var(oracledb.DB_TYPE_TIMESTAMP_LTZ)
self.cursor.execute("""
begin
:value := to_date('20220601 15:38:12',
'YYYYMMDD HH24:MI:SS');
end;""",
value=var)
self.assertEqual(var.getvalue(),
datetime.datetime(2022, 6, 1, 15, 38, 12))
def test_4805_bind_in_out_var_direct_set(self):
"4805 - test binding in/out with cursor.var() method"
var = self.cursor.var(oracledb.DB_TYPE_TIMESTAMP_LTZ)
var.setvalue(0, datetime.datetime(2022, 5, 30, 6, 0, 0))
self.cursor.execute("""
begin
:value := :value + 5.25;
end;""",
value = var)
self.assertEqual(var.getvalue(),
datetime.datetime(2022, 6, 4, 12, 0, 0))
def test_4806_cursor_description(self):
"4806 - test cursor description is accurate"
self.cursor.execute("select * from TestTimestampLTZs")
expected_value = [
('INTCOL', oracledb.DB_TYPE_NUMBER, 10, None, 9, 0, False),
('TIMESTAMPLTZCOL', oracledb.DB_TYPE_TIMESTAMP_LTZ, 23, None, 0, 6,
False),
('NULLABLECOL', oracledb.DB_TYPE_TIMESTAMP_LTZ, 23, None, 0, 6,
True)
]
self.assertEqual(self.cursor.description, expected_value)
def test_4807_fetchall(self):
"4807 - test that fetching all of the data returns the correct results"
self.cursor.execute("select * From TestTimestampLTZs order by IntCol")
self.assertEqual(self.cursor.fetchall(), self.raw_data)
self.assertEqual(self.cursor.fetchall(), [])
def test_4808_fetchmany(self):
"4808 - test that fetching data in chunks returns the correct results"
self.cursor.execute("select * From TestTimestampLTZs order by IntCol")
self.assertEqual(self.cursor.fetchmany(3), self.raw_data[0:3])
self.assertEqual(self.cursor.fetchmany(2), self.raw_data[3:5])
self.assertEqual(self.cursor.fetchmany(4), self.raw_data[5:9])
self.assertEqual(self.cursor.fetchmany(3), self.raw_data[9:])
self.assertEqual(self.cursor.fetchmany(3), [])
def test_4809_fetchone(self):
"4809 - test that fetching a single row returns the correct results"
self.cursor.execute("""
select *
from TestTimestampLTZs
where IntCol in (3, 4)
order by IntCol""")
self.assertEqual(self.cursor.fetchone(), self.data_by_key[3])
self.assertEqual(self.cursor.fetchone(), self.data_by_key[4])
self.assertEqual(self.cursor.fetchone(), None)
def test_4810_bind_timestamp_with_zero_fseconds(self):
"4810 - test binding a timestamp with zero fractional seconds"
self.cursor.setinputsizes(value=oracledb.DB_TYPE_TIMESTAMP_LTZ)
self.cursor.execute("""
select *
from TestTimestampLTZs
where trunc(TimestampLTZCol) = :value""",
value=datetime.datetime(2022, 6, 12))
self.assertEqual(self.cursor.fetchall(), [self.data_by_key[10]])
if __name__ == "__main__":
test_env.run_test_cases()
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