#!/usr/bin/env python # # test_ipaddress.py - tests for ipaddress support # # Copyright (C) 2016 Daniele Varrazzo # # 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 from . 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()