def test_sphere_init():
s1 = Sphere(6)
assert type(s1) is Sphere
assert s1.radius == 6
assert s1.diameter == 6 * 2
s2 = Sphere.from_diameter(3)
assert type(s2) is Sphere
def test_ing_sphere_add(self):
i = 0
while i < 10:
i = random.randint(0,50)
j = random.randint(51,100)
self.assertEqual(Sphere(i) + Sphere(j), Sphere(i+j))
i += 1
def test_ing_sphere_imul(self):
i = 0
while i < 10:
i = random.randint(0,50)
j = random.randint(51,100)
c1 = Sphere(i)
c1*=j
self.assertEqual(eval(repr(c1)), Sphere(i*j))
i+=1
def test_ing_sphere_iadd(self):
i = 0
while i < 10:
i = random.randint(0,50)
j = random.randint(51,100)
c1 = Sphere(i)
c2 = Sphere(j)
c1+=c2
self.assertEqual(eval(repr(c1)), Sphere(i+j))
i += 1
def test_ing_sphere_volume(self):
self.assertEqual(Sphere(5).volume, 4/3*pi*Sphere(5).radius**3)
def test_ing_sphere_classmethod(self):
i = random.randint(0,50)
j = random.randint(51,100)
c1 = Sphere.from_diameter(i)
self.assertEqual(eval(repr(c1)), Sphere(i/2))
def test_sphere_repr():
""" Tests that __repr__ is working """
s = Sphere(4)
sphere1 = repr(s)
assert sphere1 == 'Sphere(4)'
def test_ing_sphere_repr(self):
i = random.randint(0,50)
self.assertEqual(repr(Sphere(i)), 'Sphere({})'.format(i))
def test_from_volume():
s1 = Sphere.from_volume((4 / 3) * pi * 3**3)
assert type(s1) is Sphere
assert s1.radius == 3
def test_sphere_surface_area():
s = Sphere(8)
assert s.area == 4 * pi * 8**2
def test_sphere_volume():
s = Sphere(2)
assert s.volume == (4 / 3) * pi * 2**3
def test_sphere_volume():
""" Tests that the volume of the sphere is calculated correctly """
sphere1 = Sphere(10)
assert sphere1.volume == (4/3) * math.pi * 10 ** 3
def test_sphere_area():
""" Tests that the area of the sphere is calculated correctly """
sphere1 = Sphere(10)
assert sphere1.area == 4 * math.pi * 10 ** 2
def test_ing_sphere_area(self):
self.assertEqual(Sphere(5).area, 4*pi*Sphere(5).radius**2)
def test_ing_sphere_lt(self):
i = random.randint(0,10)
j = random.randint(0,10)
self.assertEqual(Sphere(i).radius < Sphere(j).radius, Sphere(i) < Sphere(j))
def test_ing_sphere_area(self):
error = AttributeError("can't set attribute")
try:
Sphere(5).area = 10
except AttributeError as result:
self.assertEqual(str(result), str(error))
def test_ing_sphere_gt(self):
i = random.randint(0,50)
j = random.randint(51,100)
self.assertEqual(Sphere(i).radius > Sphere(j).radius, Sphere(i) > Sphere(j))
def test_ing_sphere_str(self):
i = random.randint(0,50)
self.assertEqual(str(Sphere(i)), "Sphere with radius = {}, diameter = {} , area = {}".format(str(Sphere(i).radius), str(Sphere(i).diameter), str(Sphere(i).area)))
def test_ing_sphere_eq(self):
i = random.randint(0,3)
j = random.randint(0,3)
self.assertEqual(Sphere(i).radius == Sphere(j).radius, Sphere(i) == Sphere(j))
def test_ing_sphere_mul(self):
i = random.randint(0,50)
j = random.randint(51,100)
self.assertEqual(Sphere(i)*j, Sphere(Sphere(i).radius*j))
def test_sphere_str():
""" Tests that __str__ is working """
s = Sphere(4)
sphere1 = str(s)
assert sphere1 == "Sphere with radius: 4.00"