def test_equality(self): # Test 7: Test circle equality
c = Circle(2) == Circle(3)
eq = c.__str__()
self.assertEqual(eq, "False")
c = Circle(1) == Circle(1)
eq = c.__str__()
self.assertEqual(eq, "True")
def test_inequality(self): # Test 8: Test circle inequality
c = Circle(3) > Circle(2)
eq = c.__str__()
self.assertEqual(eq, "True")
c = Circle(235) < Circle(0)
eq = c.__str__()
self.assertEqual(eq, "False")
def test__str__():
"""
Verifies the built-in string method and built-in repr method
gets set as expected when initializing a Circle object.
"""
c2 = Circle(10)
assert repr(c2) == "Circle(10)"
assert c2.__str__() == "Circle with radius: 10.00000"
def test_str():
c = Circle(4.32)
assert c.__str__() == "Circle with radius 4.32"
assert str(c) == "Circle with radius 4.32"
def test_str():
"""Tests string method for circle object."""
c = Circle(10)
assert c.__str__() == "Circle with radius 10.000000"
# Test change to radius results in updated diameter
c11.radius = 55
assert c11.diameter == 110
# Test change to diameter results in updated radius
c11.diameter = 100
assert c11.radius == 50
# Test alternate constructor
c12 = Circle.from_diameter(300)
assert c12.radius == 150
assert int(c12.area) == 70685
# Test str and repr
assert c11.__str__() == "Circle(50.0)"
assert c12.__repr__() == "Circle(150.0)"
# Test numeric protocols
assert c11 + c12 == Circle(200)
assert c12 - c11 == Circle(100)
assert c11 * c12 == Circle(7500)
assert c12 / c11 == (Circle(3))
assert c11 * 5 == Circle(250)
assert c12 + 50 == Circle(200)
assert c12 - 25 == Circle(125)
assert c12 / 50 == Circle(3)
# Test comparison operators
assert c11 < c12
assert c12 > c11
def test_str_method():
c = Circle(8)
assert c.__str__() == 'Circle with a radius: 8'
def test_circle_str(self):
c = Circle(4)
self.assertEqual(c.__str__(), 'Circle with radius: 4.0')
self.assertEqual(c.__repr__(), 'Circle(4)')
def test_print():
c = Circle(4)
assert c.__str__() == "Circle with radius: 4"
class TestCircle(unittest.TestCase):
def setUp(self):
self.c1 = Circle(2)
self.c2 = Circle(4.5)
self.c3 = Circle(6)
self.c4 = Circle.from_diameter(3)
self.c5 = Circle(6)
def tearDown(self):
pass
def test__init__(self):
with self.assertRaises(TypeError):
a_circle = Circle(-1)
another_circle = Circle('tri')
def test_diameter(self):
self.assertEqual(self.c1.diameter, 4)
self.assertEqual(self.c2.diameter, 4.5 * 2)
self.assertEqual(self.c3.diameter, 12)
def test_area(self):
self.assertEqual(self.c1.area, round(math.pi * 2**2, 5))
self.assertEqual(self.c2.area, round(math.pi * 4.5**2, 5))
self.assertEqual(self.c3.area, round(math.pi * 6**2, 5))
def test_from_diameter(self):
self.assertEqual(self.c4.diameter, 3)
self.assertEqual(self.c4.radius, 3 / 2)
with self.assertRaises(TypeError):
c = Circle.from_diameter('t')
def test__str__(self):
test_template = 'Circle with radius: {}'
self.assertEqual(self.c1.__str__(), test_template.format(2))
self.assertEqual(self.c2.__str__(), test_template.format(4.5))
self.assertEqual(self.c3.__str__(), test_template.format(6))
def test__repr__(self):
test_template = 'Circle({})'
self.assertEqual(self.c1.__repr__(), test_template.format(2))
self.assertEqual(self.c2.__repr__(), test_template.format(4.5))
self.assertEqual(self.c3.__repr__(), test_template.format(6))
def test__add__(self):
self.assertEqual(self.c1 + self.c3, Circle(8))
self.assertEqual(self.c2 + self.c3, Circle(10.5))
with self.assertRaises(TypeError):
self.c1 + 2
def test__iadd__(self):
self.assertEqual(self.c1.__iadd__(self.c2), Circle(6.5))
with self.assertRaises(TypeError):
self.c1 += 6
def test__mul__(self):
self.assertEqual(self.c5 * 2, Circle(12))
self.assertEqual(self.c2 * 5, Circle(4.5 * 5))
with self.assertRaises(TypeError):
self.c3 * self.c5
def test__rmul__(self):
self.assertEqual(2 * self.c5, Circle(6 * 2))
self.assertEqual(5 * self.c2, Circle(4.5 * 5))
def test__imul__(self):
self.assertEqual(self.c3.__imul__(3), Circle(18))
self.assertEqual(self.c2.__imul__(4), Circle(4.5 * 4))
with self.assertRaises(TypeError):
self.c3 *= self.c1
def test__gt__(self):
self.assertTrue(self.c2.radius > self.c1.radius)
self.assertTrue(self.c5.radius > self.c1.radius)
self.assertFalse(self.c2.radius > self.c5.radius)
def test__lt__(self):
self.assertTrue(self.c1.radius < self.c5.radius)
self.assertFalse(self.c2.radius < self.c1.radius)
self.assertTrue(self.c1.radius < self.c3.radius)
def test__eq__(self):
self.assertTrue(self.c3.radius == self.c5.radius)
def test_addition(self): # Test 5: Test circle addition (adding multiple circles)
c = Circle(1) + Circle(1)
c_print = c.__str__()
self.assertEqual(c_print, "Circle 2")
def test_circle_str():
""" Verify circle __str__ output """
radius = 5
a_circle = Circle(radius)
assert a_circle.__str__() == f"Circle with radius: {radius}"
def test_str():
c = Circle(4.32)
assert c.__str__() == "Circle with radius 4.32"
assert str(c) == "Circle with radius 4.32"
def test_str():
my_circle = Circle(3)
assert my_circle.__str__() == "circle with radius {:.6f}".format(
my_circle.rad)
def test_str():
c = Circle(4)
s = 'Circle with radius: 4.00'
cs = c.__str__() # note, must perform bound method call with ()
assert s == cs
def test_str():
c = Circle(4)
assert c.__str__() == "Circle with radius: 4.000000"
def test_str():
c = Circle(4)
s = 'Circle with radius: 4.00'
cs = c.__str__() # note, must perform bound method call with ()
assert s == cs
def test_multiplication(self): # Test 6: Test circle multiplication (multiplying multiple circles)
c = Circle(2) * Circle(2)
c_print = c.__str__()
self.assertEqual(c_print, "Circle 4")
def test_str_method():
c = Circle(4)
assert c.__str__() == 'Circle with radius: 4.000000'
def test_print():
c = Circle(4)
assert c.__str__() == 'Circle with radius: 4'
assert repr(c) == 'Circle(4)'
def test_str():
c = Circle(4)
assert c.__str__() == "Circle with radius: 4.000000"