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Assignment14_Grades.py
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Assignment14_Grades.py
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import unittest
import Grades
import math
class Grade_Test(unittest.TestCase):
def test_total_returns_total_of_list(self):
result = Grades.total([1, 10, 22])
self.assertEqual(result, 33, "The total function should return 33")
def test_total_returns_0(self):
result = Grades.total([])
self.assertEqual(result, 0, "The total function should return 0")
def test_average_one(self):
result = Grades.average([2, 5, 9])
self.assertAlmostEqual(result, 5.33333, 5)
def test_average_two(self):
result = Grades.average([2, 15, 22, 9])
self.assertAlmostEqual(result, 12.0000, 4)
def test_average_returns_nan(self):
result = Grades.average([])
self.assertIs(result, math.nan)
def test_median_returns_two(self):
result = Grades.median([2, 5, 1])
self.assertEqual(result, 2, "The median function should return 2")
def test_median_returns_average_two_three(self):
result = Grades.median([5, 2, 1, 3])
self.assertEqual(result, 2.5, "The median function should return 2.5")
def test_median_raises_error_if_len_0(self):
with self.assertRaises(ValueError, msg="The median function should raise ValueError"):
result = Grades.median([])
if __name__ == "__main__":
unittest.main()