"""these tests are here to create some :class:`tiramisu.option.Option`'s
and to compare them
"""
from .autopath import do_autopath
do_autopath()

from py.test import raises

from tiramisu.error import APIError
from tiramisu import IntOption, OptionDescription, Config, getapi


def a_func():
    return None


def test_option_valid_name():
    IntOption('test', '')
    raises(ValueError, 'IntOption(1, "")')
    raises(ValueError, 'IntOption("1test", "")')
    IntOption("test1", "")
    raises(ValueError, 'IntOption("impl_test", "")')
    raises(ValueError, 'IntOption("_test", "")')
    raises(ValueError, 'IntOption("   ", "")')


def test_option_with_callback():
    #no default value with callback
    raises(ValueError, "IntOption('test', '', default=1, callback=a_func)")


def test_option_get_information():
    description = "it's ok"
    string = 'some informations'
    i = IntOption('test', description)
    raises(ValueError, "i.impl_get_information('noinfo')")
    i.impl_set_information('info', string)
    assert i.impl_get_information('info') == string
    raises(ValueError, "i.impl_get_information('noinfo')")
    assert i.impl_get_information('noinfo', 'default') == 'default'
    assert i.impl_get_information('doc') == description
    assert i.impl_getdoc() == description


def test_option_get_information_config():
    description = "it's ok"
    string = 'some informations'
    string
    i = IntOption('test', description)
    od = OptionDescription('od', '', [i])
    Config(od)
    raises(ValueError, "i.impl_get_information('noinfo')")
    raises(AttributeError, "i.impl_set_information('info', string)")
#    assert i.impl_get_information('info') == string
    raises(ValueError, "i.impl_get_information('noinfo')")
    assert i.impl_get_information('noinfo', 'default') == 'default'
    assert i.impl_get_information('doc') == description
    assert i.impl_getdoc() == description


def test_option_get_information_config2():
    description = "it's ok"
    string = 'some informations'
    i = IntOption('test', description)
    i.impl_set_information('info', string)
    od = OptionDescription('od', '', [i])
    Config(od)
    raises(ValueError, "i.impl_get_information('noinfo')")
    raises(AttributeError, "i.impl_set_information('info', 'hello')")
    assert i.impl_get_information('info') == string
    raises(ValueError, "i.impl_get_information('noinfo')")
    assert i.impl_get_information('noinfo', 'default') == 'default'
    assert i.impl_get_information('doc') == description
    assert i.impl_getdoc() == description


def test_optiondescription_get_information():
    description = "it's ok"
    string = 'some informations'
    o = OptionDescription('test', description, [])
    o.impl_set_information('info', string)
    assert o.impl_get_information('info') == string
    raises(ValueError, "o.impl_get_information('noinfo')")
    assert o.impl_get_information('noinfo', 'default') == 'default'
    assert o.impl_get_information('doc') == description
    assert o.impl_getdoc() == description


def test_option_multi():
    IntOption('test', '', multi=True)
    IntOption('test', '', multi=True, default_multi=1)
    IntOption('test', '', default=[1], multi=True, default_multi=1)
    #add default_multi to not multi's option
    raises(ValueError, "IntOption('test', '', default_multi=1)")
    #unvalid default_multi
    raises(ValueError, "IntOption('test', '', multi=True, default_multi='yes')")
    #not default_multi with callback
    raises(ValueError, "IntOption('test', '', multi=True, default_multi=1, callback=a_func)")


def test_unknown_option():
    i = IntOption('test', '')
    od1 = OptionDescription('od', '', [i])
    od2 = OptionDescription('od', '', [od1])
    api = getapi(Config(od2))
    # test is an option, not an optiondescription
    raises(TypeError, "api.option('od.test.unknown').value.get()")
    # unknown is an unknown option
    raises(AttributeError, "api.option('unknown').value.get()")
    # unknown is an unknown option
    raises(AttributeError, "api.option('od.unknown').value.get()")
    # unknown is an unknown optiondescription
    raises(AttributeError, "api.option('od.unknown.suboption').value.get()")


def test_asign_optiondescription():
    i = IntOption('test', '')
    od1 = OptionDescription('od', '', [i])
    od2 = OptionDescription('od', '', [od1])
    api = getapi(Config(od2))
    raises(APIError, "api.option('od').value.set('test')")
    raises(APIError, "api.option('od').value.reset()")