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test_db_validity.py
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test_db_validity.py
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import sqlite3
import unittest
from whotracksme.data import load_tracker_db
class ValidateTrackerDatabase(unittest.TestCase):
conn = None
@classmethod
def setUpClass(cls):
cls.conn = load_tracker_db()
def test_db_has_trackers(self):
cur = self.conn.cursor()
cur.execute('SELECT COUNT(*) FROM trackers')
count = cur.fetchone()[0]
self.assertGreater(count, 0)
def test_db_has_companies(self):
cur = self.conn.cursor()
cur.execute('SELECT COUNT(*) FROM companies')
count = cur.fetchone()[0]
self.assertGreater(count, 0)
def test_db_has_tracker_domains(self):
cur = self.conn.cursor()
cur.execute('SELECT COUNT(*) FROM tracker_domains')
count = cur.fetchone()[0]
self.assertGreater(count, 0)
def test_no_trackers_without_domain(self):
cur = self.conn.cursor()
cur.execute('SELECT COUNT(DISTINCT tracker) FROM tracker_domains')
domain_tracker_count = cur.fetchone()[0]
# Only look at tracker groups, ignoring the ones that are (non-trivial) aliases.
# Ignore self-referring aliases and treat them like non-aliased entries.
cur.execute('SELECT COUNT(DISTINCT id) FROM trackers WHERE alias is NULL or (id = alias)')
tracker_count = cur.fetchone()[0]
self.assertEqual(domain_tracker_count, tracker_count)
def test_tracker_ids_ascii(self):
cur = self.conn.cursor()
cur.execute('SELECT id FROM trackers')
trackers = cur.fetchall()
for tracker in trackers:
try:
tracker[0].encode('ascii')
except:
self.fail(f'"{tracker[0]}" is not ascii')
def test_company_ids_ascii(self):
cur = self.conn.cursor()
cur.execute('SELECT id FROM companies')
companies = cur.fetchall()
for company in companies:
try:
company[0].encode('ascii')
except:
self.fail(f'"{company[0]}" is not ascii')
def test_domains_ascii(self):
cur = self.conn.cursor()
cur.execute('SELECT domain FROM tracker_domains')
domains = cur.fetchall()
for domain in domains:
try:
domain[0].encode('ascii')
except:
self.fail(f'"{domain[0]}" is not ascii')
if __name__ == '__main__':
unittest.main()