def testZeros(self):
"""Test to make sure parent arrays of 0s returns 0s."""
truss_1 = np.zeros(10, dtype=int)
truss_2 = np.zeros(10, dtype=int)
result = Crossover.uniform_crossover(truss_1, truss_2)
np.testing.assert_array_equal(result[0], truss_1)
np.testing.assert_array_equal(result[1], truss_2)
def testChildInParents(self):
"""Test to make sure that all values of the child arrays
exist in the one of the two parent arrays."""
truss_1 = np.random.randint(10, size=25)
truss_2 = np.random.randint(10, size=25)
parents_combined = np.concatenate((truss_1, truss_2))
result = Crossover.uniform_crossover(truss_1, truss_2)
child1_status = str(np.all(np.in1d(result[0], parents_combined)))
child2_status = str(np.all(np.in1d(result[1], parents_combined)))
np.testing.assert_string_equal(child1_status, str(True))
np.testing.assert_string_equal(child2_status, str(True))
def testOutputTypeInt(self):
"""Test to make sure the data type matches what is expected."""
truss_1 = np.zeros(10, dtype=int)
truss_2 = np.zeros(10, dtype=int)
check = np.zeros(10, dtype=int)
result = Crossover.uniform_crossover(truss_1, truss_2)
np.testing.assert_array_equal(result[0], check)
np.testing.assert_array_equal(result[1], check)
np.testing.assert_string_equal(str((result[0]).dtype),
str(check.dtype))
np.testing.assert_string_equal(str((result[1]).dtype),
str(check.dtype))