def test_promote(self):
hypothesis = MockHypothesis()
orga = Organization()
orga.set_strategies(hypothesis=hypothesis, strategy=BestStrategy())
orga.add_layer(1, size=1, efficiency_weight=1.0)
orga.add_layer(2, size=3, efficiency_weight=1.0)
best_employee = emp(38, 7.5)
worst_employee = emp(25, 3.0)
average_employee = emp(49, 6.3)
# layer 1 has a vacancy
orga.layers[2].employees = [worst_employee, best_employee, average_employee]
orga.promote(origin=orga.layers[2], destination=orga.layers[1])
self.assertEquals([best_employee], orga.layers[1].employees)
self.assertEquals([worst_employee, None, average_employee], orga.layers[2].employees)
self.assertTrue(hypothesis.called)
self.assertEquals(7.5, orga.layers[1].employees[0].competence)
