class PersonTest(unittest.TestCase): def setUp(self): self.person = Person(age=25, weight=50, height=1.50) def test_it_has_age_weight_and_height(self): self.person.age |should| be(25) self.person.weight |should| equal_to(50) self.person.height |should| equal_to(1.50) def test_it_has_a_birthday(self): self.person.birthday() self.person.age |should| be(26) def test_it_grows_up_10_cm_at_each_birthday_if_under_21(self): person = Person(age=19, weight=50, height=1.50) person.birthday() person.age |should| be(20) person.height |should| close_to(1.60, delta=0.0001) person.birthday() person.age |should| be(21) person.height |should| close_to(1.70, delta=0.0001) person.birthday() person.age |should| be(22) person.height |should| close_to(1.70, delta=0.0001) def test_it_fattens(self): self.person.fatten(10) self.person.weight |should| equal_to(60) def test_it_thins(self): self.person.thin(10) self.person.weight |should| equal_to(40)