RapidFuzz/tests/test_process.py

143 lines
4.9 KiB
Python

import unittest
from rapidfuzz import process, fuzz, utils
class ProcessTest(unittest.TestCase):
def setUp(self):
self.baseball_strings = [
"new york mets vs chicago cubs",
"chicago cubs vs chicago white sox",
"philladelphia phillies vs atlanta braves",
"braves vs mets",
]
def testGetBestChoice1(self):
query = "new york mets at atlanta braves"
best = process.extractOne(query, self.baseball_strings)
self.assertEqual(best[0], "braves vs mets")
def testGetBestChoice2(self):
query = "philadelphia phillies at atlanta braves"
best = process.extractOne(query, self.baseball_strings)
self.assertEqual(best[0], self.baseball_strings[2])
def testGetBestChoice3(self):
query = "atlanta braves at philadelphia phillies"
best = process.extractOne(query, self.baseball_strings)
self.assertEqual(best[0], self.baseball_strings[2])
def testGetBestChoice4(self):
query = "chicago cubs vs new york mets"
best = process.extractOne(query, self.baseball_strings)
self.assertEqual(best[0], self.baseball_strings[0])
def testWithProcessor(self):
events = [
["chicago cubs vs new york mets", "CitiField", "2011-05-11", "8pm"],
["new york yankees vs boston red sox", "Fenway Park", "2011-05-11", "8pm"],
["atlanta braves vs pittsburgh pirates", "PNC Park", "2011-05-11", "8pm"],
]
query = "new york mets vs chicago cubs"
best = process.extractOne(query, events, processor=lambda event: event[0])
self.assertEqual(best[0], events[0])
def testWithScorer(self):
choices = [
"new york mets vs chicago cubs",
"chicago cubs at new york mets",
"atlanta braves vs pittsbugh pirates",
"new york yankees vs boston red sox"
]
choices_mapping = {
1: "new york mets vs chicago cubs",
2: "chicago cubs at new york mets",
3: "atlanta braves vs pittsbugh pirates",
4: "new york yankees vs boston red sox"
}
# in this hypothetical example we care about ordering, so we use quick ratio
query = "new york mets at chicago cubs"
# first, as an example, the normal way would select the "more 'complete' match of choices[1]"
best = process.extractOne(query, choices)
self.assertEqual(best[0], choices[1])
best = process.extractOne(query, choices_mapping)
self.assertEqual(best[0], choices_mapping[2])
# now, use the custom scorer
best = process.extractOne(query, choices, scorer=fuzz.QRatio)
self.assertEqual(best[0], choices[0])
best = process.extractOne(query, choices_mapping, scorer=fuzz.QRatio)
self.assertEqual(best[0], choices_mapping[1])
def testWithCutoff(self):
choices = [
"new york mets vs chicago cubs",
"chicago cubs at new york mets",
"atlanta braves vs pittsbugh pirates",
"new york yankees vs boston red sox"
]
query = "los angeles dodgers vs san francisco giants"
# in this situation, this is an event that does not exist in the list
# we don't want to randomly match to something, so we use a reasonable cutoff
best = process.extractOne(query, choices, score_cutoff=50)
self.assertIsNone(best)
# however if we had no cutoff, something would get returned
best = process.extractOne(query, choices)
self.assertIsNotNone(best)
def testWithCutoffEdgeCases(self):
choices = [
"new york mets vs chicago cubs",
"chicago cubs at new york mets",
"atlanta braves vs pittsbugh pirates",
"new york yankees vs boston red sox"
]
query = "new york mets vs chicago cubs"
# Only find 100-score cases
best = process.extractOne(query, choices, score_cutoff=100)
self.assertIsNotNone(best)
self.assertEqual(best[0], choices[0])
# 0-score cases do not return None
best = process.extractOne("", choices)
self.assertIsNotNone(best)
self.assertEqual(best[1], 0)
def testEmptyStrings(self):
choices = [
"",
"new york mets vs chicago cubs",
"new york yankees vs boston red sox",
"",
""
]
query = "new york mets at chicago cubs"
best = process.extractOne(query, choices)
self.assertEqual(best[0], choices[1])
def testNullStrings(self):
choices = [
None,
"new york mets vs chicago cubs",
"new york yankees vs boston red sox",
None,
None
]
query = "new york mets at chicago cubs"
best = process.extractOne(query, choices)
self.assertEqual(best[0], choices[1])
if __name__ == '__main__':
unittest.main()