69 lines
2.5 KiB
Python
69 lines
2.5 KiB
Python
# These tests are auto-generated with test data from:
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# https://github.com/exercism/problem-specifications/tree/main/exercises/perfect-numbers/canonical-data.json
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# File last updated on 2023-07-19
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import unittest
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from perfect_numbers import (
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classify,
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)
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class PerfectNumbersTest(unittest.TestCase):
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def test_smallest_perfect_number_is_classified_correctly(self):
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self.assertEqual(classify(6), "perfect")
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def test_medium_perfect_number_is_classified_correctly(self):
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self.assertEqual(classify(28), "perfect")
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def test_large_perfect_number_is_classified_correctly(self):
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self.assertEqual(classify(33550336), "perfect")
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class AbundantNumbersTest(unittest.TestCase):
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def test_smallest_abundant_number_is_classified_correctly(self):
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self.assertEqual(classify(12), "abundant")
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def test_medium_abundant_number_is_classified_correctly(self):
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self.assertEqual(classify(30), "abundant")
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def test_large_abundant_number_is_classified_correctly(self):
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self.assertEqual(classify(33550335), "abundant")
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class DeficientNumbersTest(unittest.TestCase):
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def test_smallest_prime_deficient_number_is_classified_correctly(self):
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self.assertEqual(classify(2), "deficient")
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def test_smallest_non_prime_deficient_number_is_classified_correctly(self):
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self.assertEqual(classify(4), "deficient")
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def test_medium_deficient_number_is_classified_correctly(self):
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self.assertEqual(classify(32), "deficient")
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def test_large_deficient_number_is_classified_correctly(self):
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self.assertEqual(classify(33550337), "deficient")
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def test_edge_case_no_factors_other_than_itself_is_classified_correctly(self):
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self.assertEqual(classify(1), "deficient")
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class InvalidInputsTest(unittest.TestCase):
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def test_zero_is_rejected_as_it_is_not_a_positive_integer(self):
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with self.assertRaises(ValueError) as err:
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classify(0)
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self.assertEqual(type(err.exception), ValueError)
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self.assertEqual(
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err.exception.args[0],
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"Classification is only possible for positive integers.",
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)
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def test_negative_integer_is_rejected_as_it_is_not_a_positive_integer(self):
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with self.assertRaises(ValueError) as err:
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classify(-1)
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self.assertEqual(type(err.exception), ValueError)
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self.assertEqual(
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err.exception.args[0],
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"Classification is only possible for positive integers.",
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)
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