def test_circle(self): # Define instance of Circle wheel = Circle(1) # Test __str__ self.assertEqual(wheel.__str__(), "Circle of radius 1.") # Test area self.assertEqual(wheel.area(), math.pi) # Test circumference self.assertEqual(wheel.circumference(), 2 * math.pi)
def test_circumference(self): circ = Circle(1) self.assertEqual(math.pi, circ.circumference())