fuzzysearch/tests/test_common.py

104 lines
3.4 KiB
Python

from fuzzysearch.common import Match, group_matches, GroupOfMatches, \
count_differences_with_maximum
from tests.compat import b, unittest
class TestGroupOfMatches(unittest.TestCase):
def test_is_match_in_group(self):
match = Match(2, 4, 0, 'matched')
group = GroupOfMatches(match)
self.assertTrue(group.is_match_in_group(match))
self.assertTrue(group.is_match_in_group(Match(2, 4, 0, 'matched')))
class TestGroupMatches(unittest.TestCase):
def test_separate(self):
matches = [
Match(start=19, end=29, dist=1, matched='x'*10),
Match(start=42, end=52, dist=1, matched='x'*10),
Match(start=99, end=109, dist=0, matched='x'*10),
]
self.assertEqual(
group_matches(matches),
[{m} for m in matches],
)
def test_separate_with_duplicate(self):
matches = [
Match(start=19, end=29, dist=1, matched='x'*10),
Match(start=42, end=52, dist=1, matched='x'*10),
Match(start=99, end=109, dist=0, matched='x'*10),
]
self.assertEqual(
group_matches(matches + [matches[1]]),
[{m} for m in matches],
)
class TestCountDifferencesWithMaximumBase(object):
def count_diffs(self, seq1, seq2, max_diffs):
raise NotImplementedError
def test_empty(self):
result = self.count_diffs('', '', 1)
self.assertEqual(result, 0)
def test_identical_one_character(self):
result = self.count_diffs('a', 'a', 1)
self.assertEqual(result, 0)
def test_identical_word(self):
result = self.count_diffs('word', 'word', 1)
self.assertEqual(result, 0)
def test_identical_long(self):
result = self.count_diffs('long'*10, 'long'*10, 1)
self.assertEqual(result, 0)
def test_different_less_than_max(self):
result = self.count_diffs('abc', 'def', 4)
self.assertEqual(result, 3)
def test_different_more_than_max(self):
result = self.count_diffs('abc', 'def', 2)
self.assertEqual(result, 2)
def test_partially_different_in_middle(self):
result = self.count_diffs('abcdef', 'a--d-f', 4)
self.assertEqual(result, 3)
result = self.count_diffs('abcdef', 'a--d-f', 2)
self.assertEqual(result, 2)
def test_partially_different_at_start(self):
result = self.count_diffs('abcdef', '--c-ef', 4)
self.assertEqual(result, 3)
result = self.count_diffs('abcdef', '--c-ef', 2)
self.assertEqual(result, 2)
def test_partially_different_at_end(self):
result = self.count_diffs('abcdef', 'ab-d--', 4)
self.assertEqual(result, 3)
result = self.count_diffs('abcdef', 'ab-d--', 2)
self.assertEqual(result, 2)
class TestCountDifferencesWithMaximum(TestCountDifferencesWithMaximumBase,
unittest.TestCase):
def count_diffs(self, seq1, seq2, max_diffs):
return count_differences_with_maximum(seq1, seq2, max_diffs)
try:
from fuzzysearch._common import count_differences_with_maximum_byteslike
except ImportError:
pass
else:
class TestCountDifferencesWithMaximumByteslike(
TestCountDifferencesWithMaximumBase, unittest.TestCase):
def count_diffs(self, seq1, seq2, max_diffs):
return count_differences_with_maximum_byteslike(b(seq1), b(seq2),
max_diffs)