def test_sort():
c = [Circle(0), Circle(2), Circle(1), Circle(3)]
c.sort()
assert c[0].radius == 0
assert c[1].radius == 1
assert c[2].radius == 2
assert c[3].radius == 3
def test_compare_circles():
c1 = Circle(10)
c2 = Circle(5)
c3 = Circle(5)
assert c1 > c2
assert c2 == c3
assert c3 < c1
assert (c1 == c2) is False
def test_inequalities():
c1=Circle(3)
c2=Circle(4)
assert c1 < c2
assert c2 > c1
assert c1 <= c2
assert c2 >= c1
c3 = Circle(4)
assert c2 == c3
def test_relflected_numerics():
c = Circle(4)
assert c * 2 == 2 * c
def test_radius():
c = Circle(2)
assert c.radius == 2
def test_diameter():
c = Circle(2)
assert c.diameter == 4
def test_add():
c1 = Circle(2)
c2 = Circle(4)
c = c1 + c2
assert c == Circle(6)
def test_str():
c = Circle(4)
assert print(Circle(4)) == "Circle with radius: 4"
def test_from_diameter():
c = Circle.from_diameter(8)
print(c.radius)
assert c.radius == 4
assert c.diameter == 8
def test_area():
c = Circle(2)
assert round(c.area,5) == 12.566370
def test_str():
c = Circle(10)
assert str(c) == "This is a Circle with radius: 10.00000"
def test_Circle():
c = Circle(2)
def test_delete_diameter():
c = Circle(10)
with pytest.raises(AttributeError):
del c.diameter
def test_set_area():
c = Circle(10)
with pytest.raises(AttributeError):
c.area = 100
def test_area():
c = Circle(10)
assert c.area == pi * 10**2
def test_set_diameter():
c = Circle(2)
assert c.diameter == 4
c.diameter = 10
assert c.radius == 5
def test_change_radius():
c = Circle(4)
c.radius = 6
assert c.radius == 6
assert c.diameter == 12
def test_diameter():
c = Circle(4)
print(c.diameter)
assert c.diameter == 8
def test_setter_diameter():
c = Circle(4)
c.diameter = 2
print(c.diameter, "and", c.radius)
assert c.radius == 1
def test_repr():
c = Circle(10)
assert repr(c) == 'Circle(10)'
def test_area_Setter():
c = Circle(2)
try:
c.area = 42
except AttributeError:
assert True
def test_add_circle():
c1 = Circle(10)
c2 = Circle(5)
c3 = c1 + c2
assert c3.radius == 15
assert c3.diameter == 30
def test_radius():
c = Circle(4)
print(c.radius)
assert c.radius == 4
def test_scale_circle():
c1 = Circle(10)
c2 = c1 * 3
c3 = 2 * c1
assert c2.radius == 30
assert c3.radius == 20
def test_repr():
c = Circle(4)
d = eval(repr(c))
assert repr(c) == 'Circle(4)'
assert d == Circle(4)
def test_augmented_addition():
c = Circle(4)
c += Circle(2)
assert c.radius == 6
def test_multiplication():
c = Circle(1)
assert 3*c == Circle(3)
assert c*3 == Circle(3)
def test_augmented_multiplication():
c = Circle(2)
c *= 4
assert c.radius == 8
def test_circle_sorting():
circles = [Circle(6), Circle(7), Circle(8), Circle(4), Circle(0), Circle(2), Circle(3), Circle(5), Circle(9), Circle(1)]
circles.sort()
assert circles == [Circle(0), Circle(1), Circle(2), Circle(3), Circle(4), Circle(5), Circle(6), Circle(7), Circle(8), Circle(9)]
def test_circumference():
c = Circle(4)
assert c.circumference == 2 * pi * 4