8000 Add unit tests for factorial.py by QasimUmarKhan · Pull Request #12815 · TheAlgorithms/Python · GitHub
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Add unit tests for factorial.py #12815

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Merged
merged 4 commits into from
Jul 5, 2025
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Merged

Add unit tests for factorial.py #12815

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f5b32a1
Add unit tests for factorial.py
QasimUmarKhan Jul 1, 2025
5e0e9ad
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jul 1, 2025
6f1b5cd
uvx --python=3.12 unittest2pytest --write test_factorial.py
cclauss Jul 5, 2025
a15b6fb
Update error message in current_stock_price.py
cclauss Jul 5, 2025
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Add unit tests for factorial.py
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@QasimUmarKhan
QasimUmarKhan committed Jul 1, 2025
commit f5b32a10a81bc25f0e418c6d572914f86323a287
22 changes: 22 additions & 0 deletions maths/test_factorial.py
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import unittest
from factorial import factorial

class TestFactorial(unittest.TestCase):

def test_zero(self):
self.assertEqual(factorial(0), 1)

def test_positive_integers(self):
self.assertEqual(factorial(1), 1)
self.assertEqual(factorial(5), 120)
self.assertEqual(factorial(7), 5040)

def test_large_number(self):
self.assertEqual(factorial(10), 3628800)

def test_negative_number(self):
with self.assertRaises(ValueError):
factorial(-3)

if __name__ == '__main__':
unittest.main()
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