import autopath
from py.test import raises

from tiramisu.setting import owners
from tiramisu.config import Config
from tiramisu.option import IPOption, NetworkOption, NetmaskOption, IntOption,\
    OptionDescription


def test_consistency_not_equal():
    a = IntOption('a', '')
    b = IntOption('b', '')
    od = OptionDescription('od', '', [a, b])
    a.impl_add_consistency('not_equal', (a, b))
    c = Config(od)
    assert c.a is None
    assert c.b is None
    c.a = 1
    del(c.a)
    c.a = 1
    raises(ValueError, "c.b = 1")
    c.b = 2


def test_consistency_default():
    a = IntOption('a', '', 1)
    b = IntOption('b', '', 1)
    raises(ValueError, "a.impl_add_consistency('not_equal', (a, b))")


def test_consistency_default_diff():
    a = IntOption('a', '', 3)
    b = IntOption('b', '', 1)
    od = OptionDescription('od', '', [a, b])
    a.impl_add_consistency('not_equal', (a, b))
    c = Config(od)
    raises(ValueError, "c.a = 1")
    c.a = 2
    c.b = 3
    assert c.getowner('a') is owners.user
    raises(ValueError, "del(c.a)")
    assert c.getowner('a') is owners.user


def test_consistency_ip_netmask():
    a = IPOption('a', '')
    b = NetmaskOption('b', '')
    od = OptionDescription('od', '', [a, b])
    b.impl_add_consistency('ip_netmask', (b, a))
    c = Config(od)
    c.a = '192.168.1.1'
    c.b = '255.255.255.0'
    c.a = '192.168.1.2'
    c.b = '255.255.255.255'
    c.b = '255.255.255.0'
    raises(ValueError, "c.a = '192.168.1.0'")


def test_consistency_network_netmask():
    a = NetworkOption('a', '')
    b = NetmaskOption('b', '')
    od = OptionDescription('od', '', [a, b])
    b.impl_add_consistency('network_netmask', (b, a))
    c = Config(od)
    c.a = '192.168.1.1'
    c.b = '255.255.255.255'
    del(c.b)
    c.a = '192.168.1.0'
    c.b = '255.255.255.0'
    raises(ValueError, "c.a = '192.168.1.1'")