psycopg2/tests/test_ipaddress.py
Jon Dufresne fcc083dc12 Always import the system unittest
There is no need to import testutils.unittest instead of simply
unittest. They are simple aliases. Use system unittest to be more
regular, consistent as well as idiomatic with the wider Python
community.
2017-12-01 18:35:30 -08:00

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Python
Executable File

#!/usr/bin/env python
#
# test_ipaddress.py - tests for ipaddress support
#
# Copyright (C) 2016 Daniele Varrazzo <daniele.varrazzo@gmail.com>
#
# psycopg2 is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
# License for more details.
from __future__ import unicode_literals
import sys
from functools import wraps
import testutils
import unittest
import psycopg2
import psycopg2.extras
def skip_if_no_ipaddress(f):
@wraps(f)
def skip_if_no_ipaddress_(self):
if sys.version_info[:2] < (3, 3):
try:
import ipaddress # noqa
except ImportError:
return self.skipTest("'ipaddress' module not available")
return f(self)
return skip_if_no_ipaddress_
class NetworkingTestCase(testutils.ConnectingTestCase):
def test_inet_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::inet")
self.assert_(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.1/24'::inet")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv4Interface), repr(obj))
self.assertEquals(obj, ip.ip_interface('127.0.0.1/24'))
cur.execute("select '::ffff:102:300/128'::inet")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv6Interface), repr(obj))
self.assertEquals(obj, ip.ip_interface('::ffff:102:300/128'))
@testutils.skip_before_postgres(8, 2)
def test_inet_array_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select '{NULL,127.0.0.1,::ffff:102:300/128}'::inet[]")
l = cur.fetchone()[0]
self.assert_(l[0] is None)
self.assertEquals(l[1], ip.ip_interface('127.0.0.1'))
self.assertEquals(l[2], ip.ip_interface('::ffff:102:300/128'))
self.assert_(isinstance(l[1], ip.IPv4Interface), l)
self.assert_(isinstance(l[2], ip.IPv6Interface), l)
def test_inet_adapt(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select %s", [ip.ip_interface('127.0.0.1/24')])
self.assertEquals(cur.fetchone()[0], '127.0.0.1/24')
cur.execute("select %s", [ip.ip_interface('::ffff:102:300/128')])
self.assertEquals(cur.fetchone()[0], '::ffff:102:300/128')
def test_cidr_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::cidr")
self.assert_(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.0/24'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv4Network), repr(obj))
self.assertEquals(obj, ip.ip_network('127.0.0.0/24'))
cur.execute("select '::ffff:102:300/128'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv6Network), repr(obj))
self.assertEquals(obj, ip.ip_network('::ffff:102:300/128'))
@testutils.skip_before_postgres(8, 2)
def test_cidr_array_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select '{NULL,127.0.0.1,::ffff:102:300/128}'::cidr[]")
l = cur.fetchone()[0]
self.assert_(l[0] is None)
self.assertEquals(l[1], ip.ip_network('127.0.0.1'))
self.assertEquals(l[2], ip.ip_network('::ffff:102:300/128'))
self.assert_(isinstance(l[1], ip.IPv4Network), l)
self.assert_(isinstance(l[2], ip.IPv6Network), l)
def test_cidr_adapt(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select %s", [ip.ip_network('127.0.0.0/24')])
self.assertEquals(cur.fetchone()[0], '127.0.0.0/24')
cur.execute("select %s", [ip.ip_network('::ffff:102:300/128')])
self.assertEquals(cur.fetchone()[0], '::ffff:102:300/128')
testutils.decorate_all_tests(NetworkingTestCase, skip_if_no_ipaddress)
def test_suite():
return unittest.TestLoader().loadTestsFromName(__name__)
if __name__ == "__main__":
unittest.main()