def test_simple_evaluate():
# Let's try evaluating a single individual
pop = [Individual(np.array([1, 1]), problem=MaxOnes())]
evaluated_individual = next(ops.evaluate(iter(pop)))
assert evaluated_individual.fitness == 2
def test_simple_evaluate():
# Let's try evaluating a single individual
pop = [Individual([1, 1], decoder=IdentityDecoder(), problem=MaxOnes())]
evaluated_individual = next(ops.evaluate(iter(pop)))
assert evaluated_individual.fitness == 2
def test_broken_evaluate():
# Test evaluations that throw exception
pop = [RobustIndividual(np.array([1, 1]), problem=BrokenProblem(True))]
evaluated_individual = next(ops.evaluate(iter(pop)))
assert evaluated_individual.fitness is nan
assert evaluated_individual.is_viable is False
assert isinstance(evaluated_individual.exception, RuntimeError)