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68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
import unittest
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from anagram import find_anagrams
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# Python 2/3 compatibility
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if not hasattr(unittest.TestCase, 'assertCountEqual'):
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unittest.TestCase.assertCountEqual = unittest.TestCase.assertItemsEqual
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# Tests adapted from `problem-specifications//canonical-data.json` @ v1.4.1
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class AnagramTest(unittest.TestCase):
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def test_no_matches(self):
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candidates = ["hello", "world", "zombies", "pants"]
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self.assertEqual(find_anagrams("diaper", candidates), [])
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def test_detects_two_anagrams(self):
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candidates = ["stream", "pigeon", "maters"]
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self.assertCountEqual(
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find_anagrams("master", candidates), ["stream", "maters"])
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def test_does_not_detect_anagram_subsets(self):
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self.assertEqual(find_anagrams("good", ["dog", "goody"]), [])
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def test_detects_anagram(self):
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candidates = ["enlists", "google", "inlets", "banana"]
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self.assertEqual(find_anagrams("listen", candidates), ["inlets"])
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def test_detects_three_anagrams(self):
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candidates = [
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"gallery", "ballerina", "regally", "clergy", "largely", "leading"
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]
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self.assertCountEqual(
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find_anagrams("allergy", candidates),
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["gallery", "regally", "largely"])
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def test_does_not_detect_non_anagrams_with_identical_checksum(self):
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self.assertEqual(find_anagrams("mass", ["last"]), [])
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def test_detects_anagrams_case_insensitively(self):
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candidates = ["cashregister", "Carthorse", "radishes"]
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self.assertEqual(
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find_anagrams("Orchestra", candidates), ["Carthorse"])
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def test_detects_anagrams_using_case_insensitive_subject(self):
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candidates = ["cashregister", "carthorse", "radishes"]
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self.assertEqual(
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find_anagrams("Orchestra", candidates), ["carthorse"])
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def test_detects_anagrams_using_case_insensitive_possible_matches(self):
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candidates = ["cashregister", "Carthorse", "radishes"]
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self.assertEqual(
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find_anagrams("orchestra", candidates), ["Carthorse"])
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def test_does_not_detect_an_anagram_if_the_original_word_is_repeated(self):
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self.assertEqual(find_anagrams("go", ["go Go GO"]), [])
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def test_anagrams_must_use_all_letters_exactly_once(self):
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self.assertEqual(find_anagrams("tapper", ["patter"]), [])
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def test_words_are_not_anagrams_of_themselves_case_insensitive(self):
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candidates = ["BANANA", "Banana", "banana"]
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self.assertEqual(find_anagrams("BANANA", candidates), [])
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if __name__ == '__main__':
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unittest.main()
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