tiramisu/test/test_option_default.py

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"test all types of option default values for options, add new option in a descr"
import autopath
from py.test import raises
from config import *
from option import *
from error import MandatoryError
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', 'Test requires', default=False,
requires=['boolop'])
wantframework_option = BoolOption('wantframework', 'Test requires',
default=False,
requires=['boolop'])
gcgroup = OptionDescription('gc', '', [gcoption, gcdummy, floatoption])
descr = OptionDescription('tiramisu', '', [gcgroup, booloption, objspaceoption,
wantref_option, stroption,
wantframework_option,
intoption, boolop])
return descr
#____________________________________________________________
# default values
def test_default_is_none():
"""
Most constructors take a ``default`` argument that specifies the default
value of the option. If this argument is not supplied the default value is
assumed to be ``None``.
"""
dummy1 = BoolOption('dummy1', 'doc dummy')
dummy2 = BoolOption('dummy2', 'doc dummy')
group = OptionDescription('group', '', [dummy1, dummy2])
config = Config(group)
# so when the default value is not set, there is actually a default value
assert config.dummy1 == None
assert config.dummy2 == None
def test_set_defaut_value_from_option_object():
"""Options have an available default setting and can give it back"""
b = BoolOption("boolean", "", default=False)
assert b.getdefault() == False
def test_mandatory():
dummy1 = BoolOption('dummy1', 'doc dummy', mandatory=True)
dummy2 = BoolOption('dummy2', 'doc dummy', mandatory=True)
group = OptionDescription('group', '', [dummy1, dummy2])
config = Config(group)
# config.setoption('dummy1', True)
raises(MandatoryError, 'config.dummy1')
config.dummy1 = True
assert config.dummy1 == True
raises(MandatoryError, 'config.dummy2 == None')
raises(MandatoryError, "config.override({'dummy2':None})")
config.set(dummy2=True)
config.dummy2 = False
assert config.dummy2 == False
def test_override_are_defaults():
descr = make_description()
config = Config(descr, bool=False)
config.gc.dummy = True
assert config._cfgimpl_values['gc']._cfgimpl_value_owners['dummy'] == 'user'
#Options have an available default setting and can give it back
assert config._cfgimpl_descr._children[0]._children[1].getdefault() == False
config.override({'gc.dummy':True})
#assert config.gc.dummy == True
#assert config._cfgimpl_descr._children[0]._children[1].getdefault() == True
#assert config._cfgimpl_values['gc']._cfgimpl_value_owners['dummy'] == 'default'
def test_overrides_changes_option_value():
"with config.override(), the default is changed and the value is changed"
descr = OptionDescription("test", "", [
BoolOption("b", "", default=False)])
config = Config(descr)
config.b = True
config.override({'b': False})
assert config.b == False
#____________________________________________________________
# test various option types
def test_choice_with_no_default():
descr = OptionDescription("test", "", [
ChoiceOption("backend", "", ["c", "cli"])])
config = Config(descr)
assert config.backend is None
config.backend = "c"
def test_choice_with_default():
descr = OptionDescription("test", "", [
ChoiceOption("backend", "", ["c", "cli"], default="cli")])
config = Config(descr)
assert config.backend == "cli"
def test_arbitrary_option():
descr = OptionDescription("top", "", [
ArbitraryOption("a", "no help", default=None)
])
config = Config(descr)
config.a = []
config.a.append(1)
assert config.a == [1]
descr = OptionDescription("top", "", [
ArbitraryOption("a", "no help", defaultfactory=list)
])
c1 = Config(descr)
c2 = Config(descr)
c1.a.append(1)
assert c2.a == []
assert c1.a == [1]