class TestBall(unittest.TestCase): def setUp(self): self.ball = Ball(5, 'black') def it_check_its_its_size(self): self.ball.size |should| equal_to(5) def it_check_its_its_collor(self): self.ball.collor |should| equal_to('black') def it_change_its_size(self): self.ball.change_size(7) self.ball.size |should| equal_to(7) def it_change_its_collor(self): self.ball.change_collor('white') self.ball.collor |should| equal_to('white')