class CircleTest(TestCase):
"""
Defines a test case for the Circle class.
"""
def setUp(self):
"""
Create a few test objects.
"""
self.radius5 = Circle(5)
self.radius8 = Circle(8)
def test_area(self):
"""
Compare the test circle area computations to the actual values.
"""
self.assertEqual(self.radius5.area(), 78.54)
self.assertEqual(self.radius8.area(), 201.06)
def test_perimeter(self):
"""
Compare the test circle perimeter computations to the actual values.
"""
self.assertEqual(self.radius5.perimeter(), 31.42)
self.assertEqual(self.radius8.perimeter(), 50.27)
def test_diameter(self):
"""
Compare the test circle diameter computations to the actual values.
"""
self.assertEqual(self.radius5.diameter(), 10)
self.assertEqual(self.radius8.diameter(), 16)
def test_circle():
"""
Defines tests on some specific circle objects.
"""
radius5 = Circle(5)
radius8 = Circle(8)
# Test areas, perimeters, and diameters
assert radius5.area() == 78.54
assert radius8.area() == 201.06
assert radius5.perimeter() == 31.42
assert radius8.perimeter() == 50.27
assert radius5.diameter() == 10
assert radius8.diameter() == 16