tiramisu/test/test_config_api.py

"configuration objects global API"
import autopath
from py.test import raises

from tiramisu.config import *
from tiramisu.option import *

def make_description():
    gcoption = ChoiceOption('name', 'GC name', ['ref', 'framework'], 'ref')
    gcdummy = BoolOption('dummy', 'dummy', default=False)
    objspaceoption = ChoiceOption('objspace', 'Object space',
                                ['std', 'thunk'], 'std')
    booloption = BoolOption('bool', 'Test boolean option', default=True)
    intoption = IntOption('int', 'Test int option', default=0)
    floatoption = FloatOption('float', 'Test float option', default=2.3)
    stroption = StrOption('str', 'Test string option', default="abc")
    boolop = BoolOption('boolop', 'Test boolean option op', default=True)
    wantref_option = BoolOption('wantref', 'Tests', default=False)
    wantframework_option = BoolOption('wantframework', 'Test', default=False)

    gcgroup = OptionDescription('gc', '', [gcoption, gcdummy, floatoption])
    descr = OptionDescription('tiramisu', '', [gcgroup, booloption, objspaceoption,
                                           wantref_option, stroption,
                                           wantframework_option,
                                           intoption, boolop])
    return descr


def test_compare_configs():
    "config object comparison"
    descr = make_description()
    conf1 = Config(descr)
    conf2 = Config(descr, wantref=True)
    assert conf1 != conf2
    assert hash(conf1) != hash(conf2)
    assert conf1.getkey() != conf2.getkey()
    conf1.wantref = True
    assert conf1 == conf2
    assert hash(conf1) == hash(conf2)
    assert conf1.getkey() == conf2.getkey()
# ____________________________________________________________

def test_iter_config():
    "iteration on config object"
    s = StrOption("string", "", default="string")
    s2 = StrOption("string2", "", default="string2")
    descr = OptionDescription("options", "", [s,s2])
    config = Config(descr)
    assert [(name, value) for name, value in config] == \
    [('string', 'string'), ('string2', 'string2')]

def test_iter_subconfig():
    "iteration on config sub object"
    descr = make_description()
    conf = Config(descr)
    for (name, value), (gname, gvalue) in \
        zip(conf.gc, [("name", "ref"), ("dummy", False)]):
        assert name == gname
        assert value == gvalue
#____________________________________________________________
def test_getpaths():
    descr = make_description()
    config = Config(descr)

    assert config.getpaths() == ['gc.name', 'gc.dummy', 'gc.float', 'bool',
                                 'objspace', 'wantref', 'str', 'wantframework',
                                 'int', 'boolop']
    assert config.getpaths() == descr.getpaths()
    assert config.gc.getpaths() == ['name', 'dummy', 'float']
    assert config.gc.getpaths() == descr.gc.getpaths()
    assert config.getpaths(include_groups=True) == [
        'gc', 'gc.name', 'gc.dummy', 'gc.float',
        'bool', 'objspace', 'wantref', 'str', 'wantframework', 'int', 'boolop']

    assert config.getpaths(True) == descr.getpaths(True)

def test_getpaths_with_hidden():
    objspaceoption = ChoiceOption('objspace', 'Object space',
                                ['std', 'thunk'], 'std')
    booloption = BoolOption('bool', 'Test boolean option', default=True)
    booloption.hide()
    intoption = IntOption('int', 'Test int option', default=0)
    stroption = StrOption('str', 'Test string option', default="abc")
    boolop = BoolOption('boolop', 'Test boolean option op', default=True)
    wantref_option = BoolOption('wantref', 'Test requires', default=False)
    wantframework_option = BoolOption('wantframework', 'Test requires',
                                      default=False)

    descr = OptionDescription('tiramisu', '', [booloption, objspaceoption,
                                           wantref_option, stroption,
                                           wantframework_option,
                                           intoption, boolop])

    config = Config(descr)
    result = ['objspace', 'wantref', 'str', 'wantframework', 'int', 'boolop']
    assert config.getpaths() == result
    r2 = ['bool', 'objspace', 'wantref', 'str', 'wantframework', 'int', 'boolop']
    assert config.getpaths(allpaths=True) == r2

def test_str():
    descr = make_description()
    c = Config(descr)
    print c # does not crash

#def test_dir():
#    descr = make_description()
#    c = Config(descr)
#    print dir(c)

def test_make_dict():
    "serialization of the whole config to a dict"
    descr = OptionDescription("opt", "", [
        OptionDescription("s1", "", [
            BoolOption("a", "", default=False)]),
        IntOption("int", "", default=42)])
    config = Config(descr)
    d = make_dict(config)
    assert d == {"s1.a": False, "int": 42}
    config.int = 43
    config.s1.a = True
    d = make_dict(config)
    assert d == {"s1.a": True, "int": 43}
    d2 = make_dict(config, flatten=True)
    assert d2 == {'a': True, 'int': 43}

def test_delattr():
    "delattr, means suppression of an option in a config"
    descr = OptionDescription("opt", "", [
    OptionDescription("s1", "", [
        BoolOption("a", "", default=False)]),
    IntOption("int", "", default=42)])
    c = Config(descr)
    c.int = 45
    assert c.int == 45
    del c.int
    assert c.int == 42
    c.int = 45
    assert c.int == 45

def test_find_in_config():
    "finds option in config"
    descr = make_description()
    conf = Config(descr)
    assert conf.find(byname='dummy')[0] == conf.unwrap_from_name('dummy')
    assert conf.find(bytype=ChoiceOption)[0] == conf.unwrap_from_name('name')
    assert conf.find(byvalue='ref')[0] == conf.unwrap_from_name('name')

#def test_validator():
#    "validates the integrity of an option towards a whole configuration"
#    def my_validator_1(config):
#        assert config is c

#    def my_validator_2(config):
#        assert config is c
#        raise ConflictConfigError

#    descr = OptionDescription("opt", "", [
#        BoolOption('booloption1', 'option test1', default=False,
#                   validator=my_validator_1),
#        BoolOption('booloption2', 'option test2', default=False,
#                   validator=my_validator_2),
#        BoolOption('booloption4', 'option test4', default=False,
#                   ),
#        ])
#    c = Config(descr)
#    c.booloption1 = True
##    raises(ConfigError, "c.booloption2 = True")
##    assert c.booloption2 is False
##    raises(ConfigError, "c.booloption3 = True")
#    assert c.booloption2 is False
#    c.booloption4 = True
#    assert c.booloption2 is False
#    c.booloption2 = False
#    assert c.booloption2 is False
#