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test_1800_interval_var.py
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#------------------------------------------------------------------------------
# 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.
#------------------------------------------------------------------------------
"""
1800 - Module for testing interval variables
"""
import test_env
import cx_Oracle as oracledb
import datetime
class TestCase(test_env.BaseTestCase):
def setUp(self):
super().setUp()
self.raw_data = []
self.data_by_key = {}
for i in range(1, 11):
delta = datetime.timedelta(days=i, hours=i, minutes=i * 2,
seconds=i * 3)
if i % 2 == 0:
nullable_delta = None
else:
nullable_delta = datetime.timedelta(days=i + 5, hours=i + 2,
minutes=i * 2 + 5,
seconds=i * 3 + 5)
data_tuple = (i, delta, nullable_delta)
self.raw_data.append(data_tuple)
self.data_by_key[i] = data_tuple
def test_1800_bind_interval(self):
"1800 - test binding in an interval"
self.cursor.setinputsizes(value=oracledb.DB_TYPE_INTERVAL_DS)
value = datetime.timedelta(days=5, hours=5, minutes=10, seconds=15)
self.cursor.execute("""
select * from TestIntervals
where IntervalCol = :value""",
value=value)
self.assertEqual(self.cursor.fetchall(), [self.data_by_key[5]])
def test_1801_bind_null(self):
"1801 - test binding in a null"
self.cursor.setinputsizes(value=oracledb.DB_TYPE_INTERVAL_DS)
self.cursor.execute("""
select * from TestIntervals
where IntervalCol = :value""",
value=None)
self.assertEqual(self.cursor.fetchall(), [])
def test_1802_bind_out_set_input_sizes(self):
"1802 - test binding out with set input sizes defined"
bind_vars = \
self.cursor.setinputsizes(value=oracledb.DB_TYPE_INTERVAL_DS)
self.cursor.execute("""
begin
:value := to_dsinterval('8 09:24:18.123789');
end;""")
expected_value = datetime.timedelta(days=8, hours=9, minutes=24,
seconds=18, microseconds=123789)
self.assertEqual(bind_vars["value"].getvalue(), expected_value)
def test_1803_bind_in_out_set_input_sizes(self):
"1803 - test binding in/out with set input sizes defined"
bind_vars = \
self.cursor.setinputsizes(value=oracledb.DB_TYPE_INTERVAL_DS)
self.cursor.execute("""
begin
:value := :value + to_dsinterval('5 08:30:00');
end;""",
value=datetime.timedelta(days=5, hours=2, minutes=15))
expected_value = datetime.timedelta(days=10, hours=10, minutes=45)
self.assertEqual(bind_vars["value"].getvalue(), expected_value)
def test_1804_bind_in_out_fractional_second(self):
"1804 - test binding in/out with set input sizes defined"
bind_vars = \
self.cursor.setinputsizes(value=oracledb.DB_TYPE_INTERVAL_DS)
self.cursor.execute("""
begin
:value := :value + to_dsinterval('5 08:30:00');
end;""",
value=datetime.timedelta(days=5, seconds=12.123789))
expected_value = datetime.timedelta(days=10, hours=8, minutes=30,
seconds=12, microseconds=123789)
self.assertEqual(bind_vars["value"].getvalue(), expected_value)
def test_1805_bind_out_var(self):
"1805 - test binding out with cursor.var() method"
var = self.cursor.var(oracledb.DB_TYPE_INTERVAL_DS)
self.cursor.execute("""
begin
:value := to_dsinterval('15 18:35:45.586');
end;""",
value=var)
expected_value = datetime.timedelta(days=15, hours=18, minutes=35,
seconds=45, milliseconds=586)
self.assertEqual(var.getvalue(), expected_value)
def test_1806_bind_in_out_var_direct_set(self):
"1806 - test binding in/out with cursor.var() method"
var = self.cursor.var(oracledb.DB_TYPE_INTERVAL_DS)
var.setvalue(0, datetime.timedelta(days=1, minutes=50))
self.cursor.execute("""
begin
:value := :value + to_dsinterval('8 05:15:00');
end;""",
value=var)
expected_value = datetime.timedelta(days=9, hours=6, minutes=5)
self.assertEqual(var.getvalue(), expected_value)
def test_1807_cursor_description(self):
"1807 - test cursor description is accurate"
self.cursor.execute("select * from TestIntervals")
expected_value = [
('INTCOL', oracledb.DB_TYPE_NUMBER, 10, None, 9, 0, 0),
('INTERVALCOL', oracledb.DB_TYPE_INTERVAL_DS, None, None, 2, 6, 0),
('NULLABLECOL', oracledb.DB_TYPE_INTERVAL_DS, None, None, 2, 6, 1)
]
self.assertEqual(self.cursor.description, expected_value)
def test_1808_fetchall(self):
"1808 - test that fetching all of the data returns the correct results"
self.cursor.execute("select * From TestIntervals order by IntCol")
self.assertEqual(self.cursor.fetchall(), self.raw_data)
self.assertEqual(self.cursor.fetchall(), [])
def test_1809_fetchmany(self):
"1809 - test that fetching data in chunks returns the correct results"
self.cursor.execute("select * From TestIntervals 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_1810_fetchone(self):
"1810 - test that fetching a single row returns the correct results"
self.cursor.execute("""
select *
from TestIntervals
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)
if __name__ == "__main__":
test_env.run_test_cases()