def test_compare():
"""This will test comparision of circles"""
circle1 = Cir(12)
circle2 = Cir(20)
circle3 = Cir(20)
assert circle1 > circle2
assert circle1 < circle2
assert circle1 != circle2
assert circle3 == circle2
# extra
assert circle1 <= circle2
assert circle2 >= circle3
assert circle2 <= circle3
def test_diameter_update():
"""This will test after the circles radius has been initial created to see if modifying the diameter
will then update the radius correctly"""
circle = Cir(12)
circle.dia = 20
assert circle.rad == 10
assert circle.dia == 20
def test_circle_area():
"""This will test the area of a circle (pi x r2) and
tests to make sure the user can't create circle directly with area"""
circle = Cir(12)
assert circle.area == 452.3893421169302
try:
circle.area = 12 # property area can't be set first
except AttributeError:
pass
else:
assert False
def test_multiply():
"""This will test that a circle can be multiplied"""
circle2 = Cir(12)
assert circle2 * 3, Cir(36) # left operand "__mul__"
assert 3 * circle2, Cir(36) # right operand "__rmul__"
def test_add():
"""This will test that two circles radii will add together"""
circle1 = Cir(12)
circle2 = Cir(12)
assert circle1 + circle2, Cir(24)
def test_repr():
"""This will test that the representation of this object will print correctly"""
circle = Cir(12)
assert repr(circle) == "Circle(12)"
def test_str():
"""This will test that the string will print correctly"""
circle = Cir(12)
assert str(
circle) == "Circle with the radius: 12 and area: 452.3893421169302."
def test_circle_init():
"""This will test the circles radius and diameter(x2) on __init__ create"""
circle = Cir(12)
assert circle.rad == 12
assert circle.dia == 24
def test_sort():
"""This will test the sorting of circles"""
all_circles = [
Cir(6),
Cir(7),
Cir(8),
Cir(4),
Cir(0),
Cir(2),
Cir(3),
Cir(5),
Cir(9),
Cir(1)
]
all_circles.sort()
assert all_circles == [
Cir(0),
Cir(1),
Cir(2),
Cir(3),
Cir(4),
Cir(5),
Cir(6),
Cir(7),
Cir(8),
Cir(9)
]