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_area(self): circ = Circle(1) self.assertEqual(math.pi, circ.area())
def test_area_zero_radius(self): circ = Circle(0) area = circ.area() self.assertEqual(0, area)
def zero_circle_area(): zero_circle = Circle(-7, -9, 0) assert zero_circle.area() == 0
def test_circle_area(): my_circle = Circle(5, 11, 3) assert my_circle.area() == approx(28.273, abs=0.001)