def test_equilateral(self):
"""verify if the function determines properly if the triangle is equilateral"""
self.assertEqual(triangle_classification(1, 1, 1),
'Equilateral Triangle')
self.assertEqual(triangle_classification(3.33, 3.33, 3.33),
'Equilateral Triangle')
self.assertNotEqual(triangle_classification(3.33, 3.33, 3.333),
'Equilateral Triangle')
self.assertEqual(triangle_classification(1e0, 1e0, 1e0),
'Equilateral Triangle')
def test_right_and_scalene(self):
"""verify if the function determines properly if the triangle is right and scalene"""
self.assertEqual(triangle_classification(3, 4, 5),
'Right and Scalene Triangle')
self.assertEqual(triangle_classification(3, 5, 4),
'Right and Scalene Triangle')
self.assertNotEqual(triangle_classification(4, 3, 6),
'Right and Scalene Triangle')
self.assertEqual(triangle_classification(3000000, 4000000, 5000000),
'Right and Scalene Triangle')
def test_right_and_isosceles(self):
"""verify if the function determines properly if the triangle is right and isosceles"""
self.assertEqual(triangle_classification(1, 1, math.sqrt(2)),
'Right and Isosceles Triangle')
self.assertNotEqual(triangle_classification(3, 5, 5),
'Right and Isosceles Triangle')
self.assertTrue(
triangle_classification(2147483647, 2147483647, 5) ==
'Right and Isosceles Triangle')
self.assertEqual(triangle_classification(3, 3, 4.242640687119285146),
'Right and Isosceles Triangle')
def test_scalene(self):
"""verify if the function determines properly if the triangle is scalene"""
self.assertEqual(triangle_classification(3, 4, 6), 'Scalene Triangle')
self.assertEqual(
triangle_classification(3 * 2 ^ 64, 4 * 2 ^ 64, 5 * 2 ^ 64),
'Scalene Triangle') # PEMDAS failure
self.assertNotEqual(
triangle_classification(3 * (2 ^ 64), 4 * (2 ^ 64), 5 * (2 ^ 64)),
'Scalene Triangle')
self.assertEqual(
triangle_classification(3 * (2 ^ 64), 4 * (2 ^ 64), 5 * (2 ^ 64)),
'Right and Scalene Triangle')
def test_not_a_triangle(self):
"""verify if the function identifies properly if the input is a triangle or no"""
self.assertEqual(triangle_classification(1, 1, 2),
'This is not a triangle')
self.assertEqual(triangle_classification(7, 3, 2),
'This is not a triangle')
self.assertNotEqual(triangle_classification(3, 4, 5),
'This is not a triangle')
self.assertEqual(triangle_classification(-1, -3, -2),
'A triangle cannot have any negative or 0 side')
self.assertEqual(triangle_classification(0, 0, 0),
'A triangle cannot have any negative or 0 side')
self.assertIn('This is not a triangle',
triangle_classification(1, 2, 3))
def test_isosceles(self):
"""verify if the function determines properly if the triangle is isosceles,"""
self.assertEqual(triangle_classification(4, 4, 5),
'Isosceles Triangle')
self.assertEqual(
triangle_classification(1234567890, 1234567890, 987654321),
'Isosceles Triangle')
self.assertNotEqual(triangle_classification(3, 4, 5),
'Isosceles Triangle')
self.assertNotEqual(triangle_classification(2, 2, 2.0000000000000001),
'Isosceles Triangle') # precision failure
self.assertEqual(triangle_classification(2, 2, 2.000000000000001),
'Isosceles Triangle')
self.assertEqual(triangle_classification(2, 2, 2.0000000000000001),
'Equilateral Triangle')
def test_wrong_inputs(self):
"""verify if function raises the exception properly when the input is incorrect"""
with self.assertRaises(ValueError):
triangle_classification('hello', 1, 1)
triangle_classification('A', 'B', 'C')