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TestLevenShtein.test_zero_words_should_zero() A
last analyzed 2018-05-21 11:23 UTC

↳ Parent: TestLevenShtein

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rs	9.4285
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"""This module is for testing Levenshtein distance."""


import sys

from unittest import TestCase

LEVENSHTEIN = sys.modules["Rainmeter.completion.levenshtein"]


class TestLevenShtein(TestCase):
    """Test for the levenshtein module using unittest."""

    def test_same_word_should_zero(self):
        """We use the same word there should be no difference required."""
        diff = LEVENSHTEIN.levenshtein("hello", "hello")

        self.assertEqual(diff, 0)

    def test_zero_words_should_zero(self):
        """Special case with same word but both are empty."""
        diff = LEVENSHTEIN.levenshtein("", "")

        self.assertEqual(diff, 0)

    def test_first_longer_equal_one(self):
        """Same word base but missing characters."""
        diff = LEVENSHTEIN.levenshtein("hello", "hell")

        self.assertEqual(diff, 1)

    def test_second_longer_equal_one(self):
        """
        Reversed case of the missing character.

        Method should work in both ways and not return a negative difference.
        """
        diff = LEVENSHTEIN.levenshtein("hell", "hello")

        self.assertEqual(diff, 1)


1			"""This module is for testing Levenshtein distance."""
2
3
4			import sys
5
6			from unittest import TestCase
7
8			LEVENSHTEIN = sys.modules["Rainmeter.completion.levenshtein"]
9
10
11			class TestLevenShtein(TestCase):
12			"""Test for the levenshtein module using unittest."""
13
14			def test_same_word_should_zero(self):
15			"""We use the same word there should be no difference required."""
16			diff = LEVENSHTEIN.levenshtein("hello", "hello")
17
18			self.assertEqual(diff, 0)
19
20			def test_zero_words_should_zero(self):
21			"""Special case with same word but both are empty."""
22			diff = LEVENSHTEIN.levenshtein("", "")
23
24			self.assertEqual(diff, 0)
25
26			def test_first_longer_equal_one(self):
27			"""Same word base but missing characters."""
28			diff = LEVENSHTEIN.levenshtein("hello", "hell")
29
30			self.assertEqual(diff, 1)
31
32			def test_second_longer_equal_one(self):
33			"""
34			Reversed case of the missing character.
35
36			Method should work in both ways and not return a negative difference.
37			"""
38			diff = LEVENSHTEIN.levenshtein("hell", "hello")
39
40			self.assertEqual(diff, 1)
41

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TestLevenShtein.test_zero_words_should_zero() A last analyzed 2018-05-21 11:23 UTC

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TestLevenShtein.test_zero_words_should_zero() A
last analyzed 2018-05-21 11:23 UTC