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# Copyright (c) 2020-2024 Open Text.
#
# 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
#
# http://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.
from __future__ import print_function, division, absolute_import, annotations
from collections import namedtuple
from decimal import Decimal
from uuid import UUID
import datetime
import pytest
from ...vertica.cursor import Cursor
from .base import VerticaPythonUnitTestCase
class SqlLiteralTestCase(VerticaPythonUnitTestCase):
def test_default_adapters(self):
cursor = Cursor(None, self.logger)
# None
self.assertEqual(cursor.object_to_sql_literal(None), "NULL")
# Boolean
self.assertEqual(cursor.object_to_sql_literal(True), "True")
self.assertEqual(cursor.object_to_sql_literal(False), "False")
# Numeric
self.assertEqual(cursor.object_to_sql_literal(123), "123")
self.assertEqual(cursor.object_to_sql_literal(123.45), "123.45")
self.assertEqual(cursor.object_to_sql_literal(Decimal("10.00000")), "10.00000")
# UUID
self.assertEqual(cursor.object_to_sql_literal(
UUID('00010203-0405-0607-0809-0a0b0c0d0e0f')),
"'00010203-0405-0607-0809-0a0b0c0d0e0f'")
# Time
self.assertEqual(cursor.object_to_sql_literal(
datetime.datetime(2018, 9, 7, 15, 38, 19, 769000)), "'2018-09-07 15:38:19.769000'")
self.assertEqual(cursor.object_to_sql_literal(datetime.date(2018, 9, 7)), "'2018-09-07'")
self.assertEqual(cursor.object_to_sql_literal(datetime.time(13, 50, 9)), "'13:50:09'")
# String
self.assertEqual(cursor.object_to_sql_literal(u"string'1"), "'string''1'")
self.assertEqual(cursor.object_to_sql_literal(b"string'1"), "'string''1'")
# Tuple and namedtuple
self.assertEqual(cursor.object_to_sql_literal(
(123, u"string'1", None)), "(123,'string''1',NULL)")
self.assertEqual(cursor.object_to_sql_literal(
((1, u"a"), (2, u"b"), (3, u"c"))), "((1,'a'),(2,'b'),(3,'c'))")
Point = namedtuple('Point', ['x', 'y', 'z'])
p = Point(x=11, y=22, z=33)
self.assertEqual(cursor.object_to_sql_literal(p), "(11,22,33)")
def test_register_adapters(self):
class Point(object):
def __init__(self, x, y):
self.x = x
self.y = y
def adapt_point(point):
return "STV_GeometryPoint({},{})".format(point.x, point.y)
cursor = Cursor(None, self.logger)
err_msg = "Please register a new adapter for this type"
with pytest.raises(TypeError, match=err_msg):
result = cursor.object_to_sql_literal(Point(-71.13, 42.36))
err_msg = "The adapter is not callable"
with pytest.raises(TypeError, match=err_msg):
cursor.register_sql_literal_adapter(Point, "not-callable")
cursor.register_sql_literal_adapter(Point, adapt_point)
self.assertEqual(
cursor.object_to_sql_literal(Point(-71.13, 42.36)),
"STV_GeometryPoint(-71.13,42.36)")
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