53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
import unittest
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from isogram import (
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is_isogram,
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)
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# Tests adapted from `problem-specifications//canonical-data.json`
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class IsogramTest(unittest.TestCase):
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def test_empty_string(self):
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self.assertIs(is_isogram(""), True)
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def test_isogram_with_only_lower_case_characters(self):
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self.assertIs(is_isogram("isogram"), True)
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def test_word_with_one_duplicated_character(self):
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self.assertIs(is_isogram("eleven"), False)
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def test_word_with_one_duplicated_character_from_the_end_of_the_alphabet(self):
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self.assertIs(is_isogram("zzyzx"), False)
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def test_longest_reported_english_isogram(self):
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self.assertIs(is_isogram("subdermatoglyphic"), True)
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def test_word_with_duplicated_character_in_mixed_case(self):
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self.assertIs(is_isogram("Alphabet"), False)
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def test_word_with_duplicated_character_in_mixed_case_lowercase_first(self):
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self.assertIs(is_isogram("alphAbet"), False)
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def test_hypothetical_isogrammic_word_with_hyphen(self):
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self.assertIs(is_isogram("thumbscrew-japingly"), True)
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def test_hypothetical_word_with_duplicated_character_following_hyphen(self):
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self.assertIs(is_isogram("thumbscrew-jappingly"), False)
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def test_isogram_with_duplicated_hyphen(self):
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self.assertIs(is_isogram("six-year-old"), True)
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def test_made_up_name_that_is_an_isogram(self):
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self.assertIs(is_isogram("Emily Jung Schwartzkopf"), True)
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def test_duplicated_character_in_the_middle(self):
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self.assertIs(is_isogram("accentor"), False)
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def test_same_first_and_last_characters(self):
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self.assertIs(is_isogram("angola"), False)
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if __name__ == "__main__":
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unittest.main()
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