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from builtins import range
from gpkit import Variable
import numpy as np
import unittest
from gpkit.tests.helpers import run_tests
from robust.robust_gp_tools import RobustGPTools
class TestRobustGPTools(unittest.TestCase):
def test_check_if_no_data(self):
for _ in range(20):
number_of_monomials = int(30*np.random.random())+1
number_of_gp_variables = int(np.random.rand()*15) + 1
number_of_uncertain_variables = int(np.random.rand()*4) + 1
vector_to_choose_from = [0, 0, 0, 0, 0, 0, 0, 0, 1, -1]
m = number_of_monomials*[1]
p_uncertain_vars = []
data_monomials = []
for j in range(number_of_monomials):
for i in range(number_of_gp_variables):
x = Variable('x_%s' % i)
m[j] *= x**(np.random.rand()*10 - 5)
for i in range(number_of_uncertain_variables):
u = Variable('u_%s' % i, np.random.random(), pr=100*np.random.random())
p_uncertain_vars.append(u)
neg_pos_neutral_powers = [vector_to_choose_from[int(10*np.random.random())] for _ in range(number_of_monomials)]
for j in range(number_of_monomials):
m[j] *= u**(np.random.rand()*5*neg_pos_neutral_powers[j])
if neg_pos_neutral_powers[j] != 0:
data_monomials.append(j)
for i in range(number_of_monomials):
if i in data_monomials:
# noinspection PyUnresolvedReferences
self.assertFalse(RobustGPTools.check_if_no_data(p_uncertain_vars, m[i].exps[0]))
else:
# noinspection PyUnresolvedReferences
self.assertTrue(RobustGPTools.check_if_no_data(p_uncertain_vars, m[i].exps[0]))
TESTS = [TestRobustGPTools]
def test():
run_tests(TESTS)
if __name__ == "__main__":
test()
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