1 from unittest import TestCase 2 from triangle import area_of_a_triangle 3 4 class TestAreaOfTriangle(TestCase): 5 6 def test_float_values(self): 7 """ Test areas when values are floats """ 8 self.assertAlmostEqual(area_of_a_triangle(3.4556, 8.3567), 14.43870626) 9 self.assertEqual(area_of_a_triangle(2.3, 5.7), 6.555) 10 11 def test_integer_values(self): 12 """ Test areas when values are integers """ 13 self.assertEqual(area_of_a_triangle(2, 5), 5.0) 14 self.assertEqual(area_of_a_triangle(4, 6), 12.0) 15 16 def test_zero_base(self): 17 """ Test areas when base is zero """ 18 self.assertEqual(area_of_a_triangle(0, 5), 0.0) 19 20 def test_zero_height(self): 21 """ Test areas when height is zero """ 22 self.assertEqual(area_of_a_triangle(2, 0), 0.0) 23 24 def test_zero_values(self): 25 """ Test areas when base and height are zero """ 26 self.assertEqual(area_of_a_triangle(0, 0), 0.0) 27 28 def test_negative_base(self): 29 """ Test that ValueError is raised when base is negative """ 30 self.assertRaises(ValueError, area_of_a_triangle, -2, 5) 31 32 def test_negative_height(self): 33 """ Test that ValueError is raised when height is negative """ 34 self.assertRaises(ValueError, area_of_a_triangle, 2, -5) 35 36 def test_negative_values(self): 37 """ Test that ValueError is raised when both are negative """ 38 self.assertRaises(ValueError, area_of_a_triangle, -2, -5) 39 40 def test_with_boolean(self): 41 """ Test that TypeError is raised with boolean types """ 42 self.assertRaises(TypeError, area_of_a_triangle, True, 5) # test booleans 43 self.assertRaises(TypeError, area_of_a_triangle, 2, True) 44 45 def test_with_string(self): 46 """ Test that TypeError is raised with string types """ 47 self.assertRaises(TypeError, area_of_a_triangle, "base", 5) # test strings 48 self.assertRaises(TypeError, area_of_a_triangle, 2, "height") 49 50 def test_with_nulls(self): 51 """ Test that TypeError is raised with null types """ 52 self.assertRaises(TypeError, area_of_a_triangle, None, 5) # test strings 53 self.assertRaises(TypeError, area_of_a_triangle, 2, None)
