def setUp(self):
self.model = TEST_MODEL
self.single_objective_function = product_yield('product', 'substrate')
self.multiobjective_function = [
product_yield('product', 'substrate'),
number_of_knockouts()
]
def test_yield(self):
solution = self._MockupSolution()
solution.set_primal('biomass', 0.6)
solution.set_primal('product', 2)
solution.set_primal('substrate', -10)
of = product_yield("product", "substrate")
fitness = of(None, solution, None)
self.assertAlmostEqual(2.0 / 10.0, fitness)
solution.set_primal('substrate', 0)
fitness = of(None, solution, None)
self.assertEquals(0, fitness)
