wordfreq/tests/test_build.py

46 lines
1.5 KiB
Python

from nose.tools import eq_
from wordfreq.build import load_all_data
from wordfreq.query import wordlist_info
from wordfreq.transfer import download_and_extract_raw_data
from wordfreq import config
import os
import tempfile
import shutil
import sqlite3
import sys
PYTHON2 = (sys.version_info.major == 2)
def flatten_list_of_dicts(list_of_dicts):
things = [sorted(d.items()) for d in list_of_dicts]
return sorted(things)
def test_build():
"""
Ensure that the build process builds the same DB that gets distributed.
"""
if not os.path.exists(config.RAW_DATA_DIR):
download_and_extract_raw_data()
tempdir = tempfile.mkdtemp('.wordfreq')
try:
db_file = os.path.join(tempdir, 'test.db')
load_all_data(config.RAW_DATA_DIR, db_file)
conn = sqlite3.connect(db_file)
# Compare the information we got to the information in the default DB.
new_info = flatten_list_of_dicts(wordlist_info(conn))
old_info = flatten_list_of_dicts(wordlist_info(None))
eq_(len(new_info), len(old_info))
for i in range(len(new_info)):
# Don't test Greek and emoji on Python 2; we can't make them
# consistent with Python 3.
if PYTHON2 and ((u'lang', u'el') in new_info[i]):
continue
if PYTHON2 and ((u'wordlist', u'twitter') in new_info[i]):
continue
eq_(new_info[i], old_info[i])
finally:
shutil.rmtree(tempdir)