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import collections
import io
import json
import os
import tempfile
import pytest
from fuzzycat.cluster import (Cluster, release_key_title, release_key_title_normalized,
release_key_title_nysiis)
Case = collections.namedtuple("Case", 'input output')
def test_release_key_title():
with pytest.raises(KeyError):
release_key_title({})
with pytest.raises(KeyError, match='title'):
release_key_title({'ident': '123'})
with pytest.raises(KeyError, match='ident'):
release_key_title({'title': 'deep learning backdoor'})
with pytest.raises(ValueError, match='title.*missing'):
release_key_title({'ident': '', 'title': ''})
cases = (
Case(input={
'ident': '',
'title': 'simhash'
}, output=('', 'simhash')),
Case(input={
'ident': '',
'title': 'Simhash'
}, output=('', 'Simhash')),
Case(input={
'ident': '',
'title': 'Sim hash'
}, output=('', 'Sim hash')),
)
for case in cases:
assert case.output == release_key_title(case.input)
def test_release_key_title_normalized():
cases = (
Case(input={
'ident': '',
'title': 'simhash'
}, output=('', 'simhash')),
Case(input={
'ident': '',
'title': 'Simhash'
}, output=('', 'simhash')),
Case(input={
'ident': '',
'title': 'Sim hash'
}, output=('', 'simhash')),
Case(input={
'ident': '',
'title': 'THE year 1929'
}, output=('', 'theyear1929')),
Case(input={
'ident': '',
'title': '2019?'
}, output=('', '2019')),
Case(input={
'ident': '123',
'title': 'H~~2019?'
}, output=('123', 'h2019')),
)
for case in cases:
assert case.output == release_key_title_normalized(case.input), 'failed case {}'.format(
case.input)
def test_release_key_title_nysiis():
cases = (
Case(input={
'ident': '',
'title': 'simhash'
}, output=('', 'SANAS')),
Case(input={
'ident': '',
'title': 'Simhash'
}, output=('', 'SANAS')),
Case(input={
'ident': '',
'title': 'Sim hash'
}, output=('', 'SANAS')),
Case(input={
'ident': '',
'title': 'THE year 1929'
}, output=('', 'TAR')),
Case(input={
'ident': '',
'title': '2019?'
}, output=('', '')),
Case(input={
'ident': '123',
'title': 'H~~2019?'
}, output=('123', 'H')),
Case(input={
'ident': '123',
'title': '世界'
}, output=('123', '')),
)
for case in cases:
assert case.output == release_key_title_nysiis(case.input), 'failed case {}'.format(
case.input)
def test_cluster():
sio = io.StringIO()
lines = [
json.dumps(doc) for doc in [
{
"title": "hello world",
"ident": 1,
},
{
"title": "hello world!",
"ident": 2,
},
]
]
cluster = Cluster(lines, release_key_title_normalized, output=sio)
stats = cluster.run()
assert stats == {
"key_fail": 0,
"key_ok": 2,
"key_empty": 0,
"key_denylist": 0,
"num_clusters": 1
}
assert json.loads(sio.getvalue()) == {
"k": "helloworld",
"v": [{
"title": "hello world!",
"ident": 2
}, {
"title": "hello world",
"ident": 1
}]
}
sio = io.StringIO()
cluster = Cluster([
json.dumps(line) for line in [
{
"title": "hello world",
"ident": 1
},
{
"title": "hello world!",
"ident": 2
},
{
"title": "other",
"ident": 3
},
]
],
release_key_title_normalized,
min_cluster_size=1,
output=sio)
stats = cluster.run()
assert stats == {
"key_fail": 0,
"key_ok": 3,
"key_empty": 0,
"key_denylist": 0,
"num_clusters": 2
}
assert [json.loads(line) for line in sio.getvalue().split("\n") if line] == [{
"k":
"helloworld",
"v": [{
"title": "hello world!",
"ident": 2
}, {
"title": "hello world",
"ident": 1
}]
}, {
'k':
'other',
'v': [{
'ident': 3,
'title': 'other'
}]
}]
|
