def test_individuals(self):
"""
Updating individuals should force an update of fitness
"""
pop = Population(individuals=[1, 2, 3], fitness=[0, 0, 0])
self.assertEqual(pop.npop, 3)
# resetting individuals should force an update of fit
pop.individuals = [0, 1, 2]
with self.assertRaises(PopulationFittnessNotSetError):
f = pop.fitness
# npop should always be the length of individuals
ind0 = np.random.rand(100, 5)
pop = Population(individuals=ind0)
self.assertEqual(ind0.shape[0], pop.npop)
self.assertEqual(ind0.shape[0], len(pop.individuals))
self.assertEqual(len(ind0), len(pop.individuals))
