def test_sphere_from_diameter():
assert Sphere.from_diameter(3).diameter == 3
assert Sphere.from_diameter(4).radius == 2
circles.sort(key=Circle.sort_key, reverse=True)
assert circles[0] == c10
assert circles[-1] == c1
# Test reflection
assert c6 * 20 == 20 * c6
# Test augmentation
assert c11 == Circle(150)
assert c12 == Circle(150)
c11 += c12
assert c11 == Circle(300)
c11 *= c12
assert c11 == Circle(45000)
# Test Sphere subclass additional derived attributes
s1 = Sphere(10)
assert int(s1.volume) == 4188
assert int(s1.area) == 1256 # override Circle area property
# Test alternate constructor
s2 = Sphere.from_diameter(20)
assert s2.radius == 10
# Test str and repr reflect Sphere subclass
s1.diameter = 100
s2.diameter = 200
assert s1.__str__() == "Sphere(50.0)"
assert s2.__repr__() == "Sphere(100.0)"
def test_area_sphere():
s = Sphere(2)
sph = Sphere(4)
assert s.area == 50.26548245743669
assert sph.area == 201.06192982974676
def test_from_diameter():
assert Circle.from_diameter(3).diameter == 3
assert Circle.from_diameter(4).radius == 2
def test_repr():
temp_stdout = StringIO()
with contextlib.redirect_stdout(temp_stdout):
print(repr(circle2))
output = temp_stdout.getvalue().strip()
assert "Circle(3)" in output
# Sphere tests
sphere1 = Sphere(2)
sphere2 = Sphere(3)
def test_volume():
assert sphere1.volume == 33.510321638291124
def test_area():
assert sphere1.surface_area == 50.26548245743669
def test_radius():
assert sphere1.radius == 2
def test_sphere_diameter():
s = Sphere.from_diameter(8)
assert type(s) == Sphere
print(s.volume())
assert s.volume() == 268.082573106329
def test_str():
my_circle = Circle(4)
my_sphere = Sphere(4)
assert str(my_circle) == "Circle with radius 4.000000"
assert str(my_sphere) == "Sphere with radius 4.000000"
def test_sphere_from_diameter_type():
s = Sphere.from_diameter(10)
s.radius == 5
assert isinstance(s, Sphere)
def test_sphere_str():
s = Sphere(12)
assert str(s) == "Sphere with radius: 12"
assert eval(repr(s)) == s
def test_sphere_area():
s1 = Sphere(4)
assert s1.area == 201.06192982974676
def test_sphere():
s = Sphere(5)
assert s.radius == 5
assert s.diameter == 10
def test_sphere_from_diameter():
s = Sphere.from_diameter(8)
assert s.radius == 4
assert s.diameter == 8
def test_str_():
s = Sphere(2)
assert str(s) == "Sphere with a radius 2.000000"
def test_rpr_():
s = Sphere(2)
assert repr(s) == 'Sphere(2)'
def test_sphere_area():
s = Sphere(4)
with pytest.raises(NotImplementedError):
s.area()
def test_volume():
s1 = Sphere(4)
assert s1.volume() == 268.082573106329
def test_sphere_repr():
s = Sphere(12)
assert repr(s) == "Sphere(12)"
assert eval(repr(s)) == s
def test_sphere_sa():
"""Tests computation for volume of Sphere object."""
s2 = Sphere(8)
assert s2.volume == (4 / 3 * pi * 8**3)
def test_sphere_vol():
s = Sphere(4)
print(s.volume())
assert s.volume() == 268.082573106329
def test_sphere():
"""Tests construction of Sphere object with radius 2."""
s2 = Sphere(2)
assert str(s2) == 'Sphere with radius 2.000000'
def test_area():
my_circle = Circle(3)
my_sphere = Sphere(3)
assert my_circle.area == math.pi * 9
assert my_sphere.area == 4 * math.pi * 9
def test_sphere_sa():
"""Tests computation for surface area of Sphere object."""
s2 = Sphere(4)
assert s2.area == (4 * pi * 4**2)
def test_repr():
my_circle = Circle(4)
my_sphere = Sphere(4)
assert repr(my_circle) == "Circle(4)"
assert repr(my_sphere) == "Sphere(4)"
def test_volume_sphere():
s = Sphere(3)
assert s.volume == 113.09733552923254