def test_check_neighbouring_config_diamond_str(self):
diamond = ConfigurationSpace()
head = CategoricalHyperparameter('head', ['red', 'green'])
left = CategoricalHyperparameter('left', ['red', 'green'])
right = CategoricalHyperparameter('right',
['red', 'green', 'blue', 'yellow'])
bottom = CategoricalHyperparameter('bottom', ['red', 'green'])
diamond.add_hyperparameters([head, left, right, bottom])
diamond.add_condition(EqualsCondition(left, head, 'red'))
diamond.add_condition(EqualsCondition(right, head, 'red'))
diamond.add_condition(
AndConjunction(EqualsCondition(bottom, left, 'green'),
EqualsCondition(bottom, right, 'green')))
config = Configuration(diamond, {
'bottom': 'red',
'head': 'red',
'left': 'green',
'right': 'green'
})
hp_name = "head"
index = diamond.get_idx_by_hyperparameter_name(hp_name)
neighbor_value = 1
new_array = ConfigSpaceNNI.c_util.change_hp_value(
diamond, config.get_array(), hp_name, neighbor_value, index)
expected_array = np.array([1, np.nan, np.nan, np.nan])
np.testing.assert_almost_equal(new_array, expected_array)
def test_keys(self):
# A regression test to make sure issue #49 does no longer pop up. By
# iterating over the configuration in the for loop, it should not raise
# a KeyError if the child hyperparameter is inactive.
cs = ConfigurationSpace()
shrinkage = CategoricalHyperparameter(
"shrinkage",
["None", "auto", "manual"],
default_value="None",
)
shrinkage_factor = UniformFloatHyperparameter(
"shrinkage_factor",
0.,
1.,
0.5,
)
cs.add_hyperparameters([shrinkage, shrinkage_factor])
cs.add_condition(EqualsCondition(shrinkage_factor, shrinkage,
"manual"))
for i in range(10):
config = cs.sample_configuration()
d = {
hp_name: config[hp_name]
for hp_name in config if config[hp_name] is not None
}
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)
