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# -*- coding: utf-8 -*-
# test_gateways.py
# Copyright (C) 2017 LEAP Encryption Access Project
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
tests for leap.bitmask.vpn.gateways
"""
import time
from twisted.trial import unittest
from leap.bitmask.vpn.gateways import GatewaySelector
sample_gateways = [
{u'host': u'gateway1.com',
u'ip_address': u'1.2.3.4',
u'location': u'location1'},
{u'host': u'gateway2.com',
u'ip_address': u'2.3.4.5',
u'location': u'location2'},
{u'host': u'gateway3.com',
u'ip_address': u'3.4.5.6',
u'location': u'location3'},
{u'host': u'gateway4.com',
u'ip_address': u'4.5.6.7',
u'location': u'location4'}
]
sample_gateways_no_location = [
{u'host': u'gateway1.com',
u'ip_address': u'1.2.3.4'},
{u'host': u'gateway2.com',
u'ip_address': u'2.3.4.5'},
{u'host': u'gateway3.com',
u'ip_address': u'3.4.5.6'}
]
sample_locations = {
u'location1': {u'timezone': u'2'},
u'location2': {u'timezone': u'-7'},
u'location3': {u'timezone': u'-4'},
u'location4': {u'timezone': u'+13'}
}
# 0 is not used, only for indexing from 1 in tests
ips = (0, u'1.2.3.4', u'2.3.4.5', u'3.4.5.6', u'4.5.6.7')
class GatewaySelectorTestCase(unittest.TestCase):
def test_get_no_gateways(self):
selector = GatewaySelector()
gateways = selector.select_gateways()
assert gateways == []
def test_get_gateway_with_no_locations(self):
selector = GatewaySelector(
gateways=sample_gateways_no_location)
gateways = selector.select_gateways()
gateways_default_order = [
sample_gateways[0]['ip_address'],
sample_gateways[1]['ip_address'],
sample_gateways[2]['ip_address']
]
assert gateways == gateways_default_order
def test_correct_order_gmt(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
tz_offset=0)
gateways = selector.select_gateways()
assert gateways == [ips[1], ips[3], ips[2], ips[4]]
def test_correct_order_gmt_minus_3(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
tz_offset=-3)
gateways = selector.select_gateways()
assert gateways == [ips[3], ips[2], ips[1], ips[4]]
def test_correct_order_gmt_minus_7(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
tz_offset=-7)
gateways = selector.select_gateways()
assert gateways == [ips[2], ips[3], ips[4], ips[1]]
def test_correct_order_gmt_plus_5(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
tz_offset=5)
gateways = selector.select_gateways()
assert gateways == [ips[1], ips[4], ips[3], ips[2]]
def test_correct_order_gmt_plus_12(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
tz_offset=12)
gateways = selector.select_gateways()
assert gateways == [ips[4], ips[2], ips[3], ips[1]]
def test_correct_order_gmt_minus_11(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
-11)
gateways = selector.select_gateways()
assert gateways == [ips[4], ips[2], ips[3], ips[1]]
def test_correct_order_gmt_plus_14(self):
selector = GatewaySelector(
sample_gateways, sample_locations,
14)
gateways = selector.select_gateways()
assert gateways == [ips[4], ips[2], ips[3], ips[1]]
def test_apply_user_preferences(self):
def to_gateways(gws):
return [{'location': x[0], 'ip_address': x[1],
'country_code': x[2]}
for x in gws]
preferred = {
'loc': ['anarres', 'paris__fr', 'montevideo'],
'cc': ['BR', 'AR', 'UY'],
}
selector = GatewaySelector(preferred=preferred)
pre = [
('Seattle', '1.1.1.1', 'US'),
('Rio de Janeiro', '1.1.1.1', 'BR'),
('Montevideo', '1.1.1.1', 'UY'),
('Cordoba', '1.1.1.1', 'AR')]
ordered = selector.apply_user_preferences(to_gateways(pre))
locations = [x['location'] for x in ordered]
# first the preferred location, then order by country
assert locations == [
'Montevideo',
'Rio de Janeiro',
'Cordoba',
'Seattle']
pre = [
('Seattle', '', ''),
('Montevideo', '', ''),
('Paris, FR', '', ''),
('AnaRreS', '', '')]
ordered = selector.apply_user_preferences(to_gateways(pre))
locations = [x['location'] for x in ordered]
# first the preferred location, then order by country
# (test normalization)
assert locations == [
'AnaRreS',
'Paris, FR',
'Montevideo',
'Seattle']
pre = [
('Rio De Janeiro', '', 'BR'),
('Tacuarembo', '', 'UY'),
('Sao Paulo', '', 'BR'),
('Cordoba', '', 'AR')]
ordered = selector.apply_user_preferences(to_gateways(pre))
locations = [x['location'] for x in ordered]
# no matching location, order by country
assert locations == [
'Rio De Janeiro',
'Sao Paulo',
'Cordoba',
'Tacuarembo']
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