def test_sample_saltelli_second():
parameters = {
'a': ap.IntRange(1, 2),
'b': ap.Range(3, 3.5),
'c': ap.Values(*'xyz'),
'd': True
}
sample = ap.Sample(parameters,
n=2,
method='saltelli',
calc_second_order=True)
problem = {
'num_vars': 3,
'names': ['a', 'b', 'c'],
'bounds': [
[1., 3.],
[3., 3.5],
[0., 3.],
]
}
param_values = saltelli.sample(problem, 2, calc_second_order=True)
for s1, s2 in zip(sample, param_values):
assert s1['a'] == int(s2[0])
assert s1['b'] == s2[1]
assert s1['c'] == parameters['c'].values[int(s2[2])]
assert s1['d'] == parameters['d']
def test_linspace_zip():
parameters = {
'a': ap.Range(), # 0, 1 Default
'b': ap.Values(3, 4),
}
sample = ap.Sample(parameters, n=2, product=False)
assert list(sample) == [{'a': 0.0, 'b': 3}, {'a': 1.0, 'b': 4}]
def test_repr():
v = ap.Values(1, 2)
assert v.__repr__() == "Set of 2 parameter values"
r = ap.Range(1, 2)
assert r.__repr__() == "Parameter range from 1 to 2"
ir = ap.IntRange(1, 2)
assert ir.__repr__() == "Integer parameter range from 1 to 2"
s = ap.Sample({'x': r}, 10)
assert s.__repr__() == "Sample of 10 parameter combinations"
def test_testing_model():
parameters = {'steps': 2, 'px': ap.Values(1, 2)}
sample = ap.Sample(parameters)
settings = {'iterations': 2, 'record': True}
pytest.model_instance = model = ModelType0(list(sample)[0])
pytest.model_results = model_results = model.run(display=False)
exp = ap.Experiment(ModelType0, sample, **settings)
pytest.exp_results = exp_results = exp.run(display=False)
type_list = ['AgentType1', 'AgentType2', 'EnvType3', 'EnvType4']
assert list(model_results.variables.keys()) == type_list
assert list(exp_results.variables.keys()) == type_list
def test_random():
parameters = {'steps': 0, 'seed': ap.Values(1, 1, 2)}
class Model(ap.Model):
def setup(self):
self.report('x', self.model.random.random())
sample = ap.Sample(parameters)
exp = ap.Experiment(Model, sample, iterations=2, randomize=True)
results = exp.run()
l = list(results.reporters['x'])
assert l[0] != l[1]
assert l[0:2] == l[2:4]
assert l[0:2] != l[4:6]
sample = ap.Sample(parameters)
exp = ap.Experiment(Model, sample, iterations=2, randomize=False)
results = exp.run()
l = list(results.reporters['x'])
assert l[0] == l[1]
assert l[0:2] == l[2:4]
assert l[0:2] != l[4:6]
exp = ap.Experiment(Model, parameters, iterations=2)
results = exp.run()
l1 = list(results.reporters['x'])
assert l1 == [0.03542265363082542, 0.08363464439430013]
parameters['seed'] = 1
exp = ap.Experiment(Model, parameters, iterations=2)
results = exp.run()
l2 = list(results.reporters['x'])
assert l1 == l2
def test_default_parameter_choice():
parameters = {'x': ap.Range(1, 2), 'y': ap.Values(1, 2)}
model = ap.Model(parameters)
assert model.p == {'x': 1, 'y': 1}
def test_linspace_product():
parameters = {
'a': ap.IntRange(1, 2),
'b': ap.Range(3, 3.5),
'c': ap.Values(*'xyz'),
'd': True
}
sample = ap.Sample(parameters, n=3)
assert list(sample) == [{
'a': 1,
'b': 3.0,
'c': 'x',
'd': True
}, {
'a': 1,
'b': 3.0,
'c': 'y',
'd': True
}, {
'a': 1,
'b': 3.0,
'c': 'z',
'd': True
}, {
'a': 1,
'b': 3.25,
'c': 'x',
'd': True
}, {
'a': 1,
'b': 3.25,
'c': 'y',
'd': True
}, {
'a': 1,
'b': 3.25,
'c': 'z',
'd': True
}, {
'a': 1,
'b': 3.5,
'c': 'x',
'd': True
}, {
'a': 1,
'b': 3.5,
'c': 'y',
'd': True
}, {
'a': 1,
'b': 3.5,
'c': 'z',
'd': True
}, {
'a': 2,
'b': 3.0,
'c': 'x',
'd': True
}, {
'a': 2,
'b': 3.0,
'c': 'y',
'd': True
}, {
'a': 2,
'b': 3.0,
'c': 'z',
'd': True
}, {
'a': 2,
'b': 3.25,
'c': 'x',
'd': True
}, {
'a': 2,
'b': 3.25,
'c': 'y',
'd': True
}, {
'a': 2,
'b': 3.25,
'c': 'z',
'd': True
}, {
'a': 2,
'b': 3.5,
'c': 'x',
'd': True
}, {
'a': 2,
'b': 3.5,
'c': 'y',
'd': True
}, {
'a': 2,
'b': 3.5,
'c': 'z',
'd': True
}, {
'a': 2,
'b': 3.0,
'c': 'x',
'd': True
}, {
'a': 2,
'b': 3.0,
'c': 'y',
'd': True
}, {
'a': 2,
'b': 3.0,
'c': 'z',
'd': True
}, {
'a': 2,
'b': 3.25,
'c': 'x',
'd': True
}, {
'a': 2,
'b': 3.25,
'c': 'y',
'd': True
}, {
'a': 2,
'b': 3.25,
'c': 'z',
'd': True
}, {
'a': 2,
'b': 3.5,
'c': 'x',
'd': True
}, {
'a': 2,
'b': 3.5,
'c': 'y',
'd': True
}, {
'a': 2,
'b': 3.5,
'c': 'z',
'd': True
}]