fdroidserver/tests/net.TestCase

143 lines
4.7 KiB
Python
Executable File

#!/usr/bin/env python3
import inspect
import logging
import os
import random
import requests
import socket
import sys
import tempfile
import threading
import time
import unittest
from unittest.mock import MagicMock, patch
localmodule = os.path.realpath(
os.path.join(os.path.dirname(inspect.getfile(inspect.currentframe())), '..')
)
print('localmodule: ' + localmodule)
if localmodule not in sys.path:
sys.path.insert(0, localmodule)
from fdroidserver import common, net
from pathlib import Path
class RetryServer:
"""A stupid simple HTTP server that can fail to connect"""
def __init__(self, port=None, failures=3):
self.port = port
if self.port is None:
self.port = random.randint(1024, 65535)
self.failures = failures
self.stop_event = threading.Event()
threading.Thread(target=self.run_fake_server).start()
def stop(self):
self.stop_event.set()
def run_fake_server(self):
server_sock = socket.socket()
server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_sock.bind(('127.0.0.1', self.port))
server_sock.listen(5)
server_sock.settimeout(5)
time.sleep(0.001) # wait for it to start
while not self.stop_event.is_set():
self.failures -= 1
conn = None
try:
conn, address = server_sock.accept()
conn.settimeout(5)
except TimeoutError:
break
if self.failures > 0:
conn.close()
continue
conn.recv(8192) # request ignored
self.reply = b"""HTTP/1.1 200 OK
Date: Mon, 26 Feb 2024 09:00:14 GMT
Connection: close
Content-Type: text/html
<HTML><BODY>Hello World!</HEAD></HTML>
"""
self.reply = self.reply.replace(b' ', b'') # dedent
conn.sendall(self.reply)
conn.shutdown(socket.SHUT_RDWR)
conn.close()
self.stop_event.wait(timeout=1)
server_sock.shutdown(socket.SHUT_RDWR)
server_sock.close()
class NetTest(unittest.TestCase):
basedir = Path(__file__).resolve().parent
def setUp(self):
logging.basicConfig(level=logging.DEBUG)
self.tempdir = tempfile.TemporaryDirectory()
os.chdir(self.tempdir.name)
Path('tmp').mkdir()
def tearDown(self):
self.tempdir.cleanup()
@patch('requests.get')
def test_download_file_url_parsing(self, requests_get):
# pylint: disable=unused-argument
def _get(url, stream, allow_redirects, headers, timeout):
return MagicMock()
requests_get.side_effect = _get
f = net.download_file('https://f-droid.org/repo/entry.jar', retries=0)
requests_get.assert_called()
self.assertTrue(os.path.exists(f))
self.assertEqual('tmp/entry.jar', f)
f = net.download_file(
'https://d-05.example.com/custom/com.downloader.aegis-3175421.apk?_fn=QVBLUHVyZV92My4xNy41NF9hcGtwdXJlLmNvbS5hcGs&_p=Y29tLmFwa3B1cmUuYWVnb24&am=6avvTpfJ1dMl9-K6JYKzQw&arg=downloader%3A%2F%2Fcampaign%2F%3Futm_medium%3Ddownloader%26utm_source%3Daegis&at=1652080635&k=1f6e58465df3a441665e585719ab0b13627a117f&r=https%3A%2F%2Fdownloader.com%2Fdownloader-app.html%3Ficn%3Daegis%26ici%3Dimage_qr&uu=http%3A%2F%2F172.16.82.1%2Fcustom%2Fcom.downloader.aegis-3175421.apk%3Fk%3D3fb9c4ae0be578206f6a1c330736fac1627a117f',
retries=0,
)
self.assertTrue(requests_get.called)
self.assertTrue(os.path.exists(f))
self.assertEqual('tmp/com.downloader.aegis-3175421.apk', f)
def test_download_file_retries(self):
server = RetryServer()
f = net.download_file('http://localhost:%d/f.txt' % server.port)
# strip the HTTP headers and compare the reply
self.assertEqual(server.reply.split(b'\n\n')[1], Path(f).read_bytes())
server.stop()
def test_download_file_retries_not_forever(self):
"""The retry logic should eventually exit with an error."""
server = RetryServer(failures=5)
with self.assertRaises(requests.exceptions.ConnectionError):
net.download_file('http://localhost:%d/f.txt' % server.port)
server.stop()
if __name__ == "__main__":
os.chdir(os.path.dirname(__file__))
import argparse
parser = argparse.ArgumentParser()
parser.add_argument(
"-v",
"--verbose",
action="store_true",
default=False,
help="Spew out even more information than normal",
)
common.options = common.parse_args(parser)
newSuite = unittest.TestSuite()
newSuite.addTest(unittest.makeSuite(NetTest))
unittest.main(failfast=False)