aa3e379ff1
* Additional sweep to update Python versions and supported Python versions. * Fixed requirements and CONTRIBUTING. * Trying a different line skip to see if it fixes CI. CI is failing on test file generation again. * Once again re-rendering tests to see if it fixes CI. [no important files changed]
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
# These tests are auto-generated with test data from:
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# https://github.com/exercism/problem-specifications/tree/main/exercises/hamming/canonical-data.json
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# File last updated on 2023-07-16
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import unittest
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from hamming import (
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distance,
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)
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class HammingTest(unittest.TestCase):
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def test_empty_strands(self):
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self.assertEqual(distance("", ""), 0)
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def test_single_letter_identical_strands(self):
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self.assertEqual(distance("A", "A"), 0)
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def test_single_letter_different_strands(self):
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self.assertEqual(distance("G", "T"), 1)
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def test_long_identical_strands(self):
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self.assertEqual(distance("GGACTGAAATCTG", "GGACTGAAATCTG"), 0)
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def test_long_different_strands(self):
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self.assertEqual(distance("GGACGGATTCTG", "AGGACGGATTCT"), 9)
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def test_disallow_first_strand_longer(self):
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with self.assertRaises(ValueError) as err:
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distance("AATG", "AAA")
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self.assertEqual(type(err.exception), ValueError)
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self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
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def test_disallow_second_strand_longer(self):
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with self.assertRaises(ValueError) as err:
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distance("ATA", "AGTG")
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self.assertEqual(type(err.exception), ValueError)
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self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
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def test_disallow_empty_first_strand(self):
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with self.assertRaises(ValueError) as err:
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distance("", "G")
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self.assertEqual(type(err.exception), ValueError)
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self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
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def test_disallow_empty_second_strand(self):
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with self.assertRaises(ValueError) as err:
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distance("G", "")
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self.assertEqual(type(err.exception), ValueError)
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self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
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