def test_sort():
c1 = cr.Circle(1)
c2 = cr.Circle(2)
c3 = cr.Circle(3)
c4 = cr.Circle(4)
c5 = cr.Circle(4)
c6 = cr.Circle(6)
circle_list = [c2, c5, c4, c1, c6, c3]
circle_list.sort(key=cr.Circle.sort_key)
assert circle_list == [c1, c2, c3, c4, c5, c6]
def test_str():
c1 = cr.Circle(9)
assert str(c1) == "Circle with radius: 9.000000"
def test_repr():
c1 = cr.Circle(5)
assert repr(c1) == 'Circle(5)'
def test_from_diameter():
c1 = cr.Circle(7)
c1.from_diameter(8)
def test_lt():
c1 = cr.Circle(14)
c2 = cr.Circle(12)
assert c2 < c1
def test_gt():
c1 = cr.Circle(14)
c2 = cr.Circle(13)
assert (c1 > c2)
def test_mul_augmented():
c1 = cr.Circle(12)
c1 *= 3
assert c1.radius == 36
def test_add_augmented():
c1 = cr.Circle(11)
c2 = cr.Circle(7)
c1 += c2
assert c1.radius == 18
def test_radius():
c1 = cr.Circle(4)
assert c1.radius == 4
def test_radius_0():
# with pytest.raises(ValueError):
c1 = cr.Circle(0)
def test_truediv():
c1 = cr.Circle(14)
c2 = cr.Circle(23)
c1 /= 2
with pytest.raises(ValueError):
c2 /= 0
def test_ne():
c1 = cr.Circle(15)
c2 = cr.Circle(15)
assert c1 != c2
def test_eq():
c1 = cr.Circle(14)
c2 = cr.Circle(14)
assert c1 == c2
def test_le():
c1 = cr.Circle(14)
c2 = cr.Circle(14)
c3 = cr.Circle(22)
assert c1 <= c2
assert c2 <= c3
def test_init():
c1 = cr.Circle(3)
def test_diameter():
c1 = cr.Circle(4)
assert c1.diameter == 8
def test_add():
c1 = cr.Circle(11)
c2 = cr.Circle(7)
assert (c1 + c2).radius == 18
def test_set_diameter():
c1 = cr.Circle(7)
assert c1.diameter == 14
c1.diameter = 10
assert c1.radius == 5
def test_mul():
c1 = cr.Circle(14)
assert (c1 * 3).radius == 42
def test_area():
c1 = cr.Circle(2)
assert c1.area == 12.566370614359172
def test_rmul():
c1 = cr.Circle(14)
assert (3 * c1).radius == 42
def test_fail_to_set_area():
c1 = cr.Circle(2)
with pytest.raises(AttributeError):
c1.area = 56
def test_ge():
c1 = cr.Circle(14)
c2 = cr.Circle(14)
c3 = cr.Circle(23)
assert c1 >= c2
assert c3 >= c1
def test_constructor_requires_parameter():
with pytest.raises(TypeError):
c2 = cr.Circle()