40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import unittest
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from isogram import is_isogram
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# test cases adapted from `x-common//canonical-data.json` @ version: 1.1.0
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class TestIsogram(unittest.TestCase):
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def test_empty_string(self):
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self.assertTrue(is_isogram(""))
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def test_isogram_with_only_lower_case_characters(self):
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self.assertTrue(is_isogram("isogram"))
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def test_word_with_one_duplicated_character(self):
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self.assertFalse(is_isogram("eleven"))
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def test_longest_reported_english_isogram(self):
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self.assertTrue(is_isogram("subdermatoglyphic"))
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def test_word_with_duplicated_character_in_mixed_case(self):
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self.assertFalse(is_isogram("Alphabet"))
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def test_hypothetical_isogrammic_word_with_hyphen(self):
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self.assertTrue(is_isogram("thumbscrew-japingly"))
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def test_isogram_with_duplicated_non_letter_character(self):
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self.assertTrue(is_isogram("Hjelmqvist-Gryb-Zock-Pfund-Wax"))
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def test_made_up_name_that_is_an_isogram(self):
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self.assertTrue(is_isogram("Emily Jung Schwartzkopf"))
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def test_duplicated_character_in_the_middle(self):
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self.assertFalse(is_isogram("accentor"))
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if __name__ == '__main__':
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unittest.main()
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