def test_setitem(self):
'''
Checks overriding a sampled configuration
'''
pcs = ConfigurationSpace()
pcs.add_hyperparameter(
UniformIntegerHyperparameter('x0', 1, 5, default_value=1))
x1 = pcs.add_hyperparameter(
CategoricalHyperparameter('x1', ['ab', 'bc', 'cd', 'de'],
default_value='ab'))
# Condition
x2 = pcs.add_hyperparameter(CategoricalHyperparameter('x2', [1, 2]))
pcs.add_condition(EqualsCondition(x2, x1, 'ab'))
# Forbidden
x3 = pcs.add_hyperparameter(CategoricalHyperparameter('x3', [1, 2]))
pcs.add_forbidden_clause(ForbiddenEqualsClause(x3, 2))
conf = pcs.get_default_configuration()
# failed because it's a invalid configuration
with self.assertRaisesRegex(ValueError,
"Illegal value '0' for hyperparameter x0"):
conf['x0'] = 0
# failed because the variable didn't exists
with self.assertRaisesRegex(
KeyError,
"Hyperparameter 'x_0' does not exist in this configuration space."
):
conf['x_0'] = 1
# failed because forbidden clause is violated
with self.assertRaisesRegex(
ForbiddenValueError,
"Given vector violates forbidden clause Forbidden: x3 == 2"):
conf['x3'] = 2
self.assertEqual(conf['x3'], 1)
# successful operation 1
x0_old = conf['x0']
if x0_old == 1:
conf['x0'] = 2
else:
conf['x0'] = 1
x0_new = conf['x0']
self.assertNotEqual(x0_old, x0_new)
pcs._check_configuration_rigorous(conf)
self.assertEqual(conf['x2'], 1)
# successful operation 2
x1_old = conf['x1']
if x1_old == 'ab':
conf['x1'] = 'cd'
else:
conf['x1'] = 'ab'
x1_new = conf['x1']
self.assertNotEqual(x1_old, x1_new)
pcs._check_configuration_rigorous(conf)
self.assertRaises(KeyError, conf.__getitem__, 'x2')
def test_deactivate_inactive_hyperparameters(self):
diamond = ConfigurationSpace()
head = CategoricalHyperparameter('head', [0, 1])
left = CategoricalHyperparameter('left', [0, 1])
right = CategoricalHyperparameter('right', [0, 1])
bottom = CategoricalHyperparameter('bottom', [0, 1])
diamond.add_hyperparameters([head, left, right, bottom])
diamond.add_condition(EqualsCondition(left, head, 0))
diamond.add_condition(EqualsCondition(right, head, 0))
diamond.add_condition(
AndConjunction(EqualsCondition(bottom, left, 0),
EqualsCondition(bottom, right, 0)))
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 0,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 1,
'left': 0,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 1,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
diamond = ConfigurationSpace()
head = CategoricalHyperparameter('head', [0, 1])
left = CategoricalHyperparameter('left', [0, 1])
right = CategoricalHyperparameter('right', [0, 1])
bottom = CategoricalHyperparameter('bottom', [0, 1])
diamond.add_hyperparameters([head, left, right, bottom])
diamond.add_condition(EqualsCondition(left, head, 0))
diamond.add_condition(EqualsCondition(right, head, 0))
diamond.add_condition(
OrConjunction(EqualsCondition(bottom, left, 0),
EqualsCondition(bottom, right, 0)))
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 0,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 1,
'left': 1,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 1,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
plain = ConfigurationSpace()
a = UniformIntegerHyperparameter('a', 0, 10)
b = UniformIntegerHyperparameter('b', 0, 10)
plain.add_hyperparameters([a, b])
c = deactivate_inactive_hyperparameters({'a': 5, 'b': 6}, plain)
plain.check_configuration(c)
