mirror of
https://gitlab.com/fdroid/fdroidserver.git
synced 2024-11-04 22:40:12 +01:00
7904f12d05
The existing logic from d1ddd525c in !1225 is confusing because it adds its
own retry loop on top of the retry mechanism that is built into requests.
So this test confirms that setting `download_file(retries=3)` actually
results in more than three retries.
142 lines
4.7 KiB
Python
Executable File
142 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import inspect
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import logging
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import optparse
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import os
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import random
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import requests
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import socket
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import sys
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import tempfile
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import threading
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import time
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import unittest
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from unittest.mock import MagicMock, patch
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localmodule = os.path.realpath(
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os.path.join(os.path.dirname(inspect.getfile(inspect.currentframe())), '..')
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)
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print('localmodule: ' + localmodule)
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if localmodule not in sys.path:
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sys.path.insert(0, localmodule)
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from fdroidserver import common, net
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from pathlib import Path
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class RetryServer:
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"""A stupid simple HTTP server that can fail to connect"""
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def __init__(self, port=None, failures=3):
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self.port = port
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if self.port is None:
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self.port = random.randint(1024, 65535)
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self.failures = failures
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self.stop_event = threading.Event()
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threading.Thread(target=self.run_fake_server).start()
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def stop(self):
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self.stop_event.set()
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def run_fake_server(self):
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server_sock = socket.socket()
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server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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server_sock.bind(('127.0.0.1', self.port))
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server_sock.listen(5)
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server_sock.settimeout(5)
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time.sleep(0.001) # wait for it to start
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while not self.stop_event.is_set():
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self.failures -= 1
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conn = None
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try:
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conn, address = server_sock.accept()
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conn.settimeout(5)
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except TimeoutError:
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break
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if self.failures > 0:
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conn.close()
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continue
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conn.recv(8192) # request ignored
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self.reply = b"""HTTP/1.1 200 OK
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Date: Mon, 26 Feb 2024 09:00:14 GMT
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Connection: close
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Content-Type: text/html
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<HTML><BODY>Hello World!</HEAD></HTML>
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"""
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self.reply = self.reply.replace(b' ', b'') # dedent
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conn.sendall(self.reply)
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conn.shutdown(socket.SHUT_RDWR)
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conn.close()
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self.stop_event.wait(timeout=1)
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server_sock.shutdown(socket.SHUT_RDWR)
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server_sock.close()
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class NetTest(unittest.TestCase):
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basedir = Path(__file__).resolve().parent
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def setUp(self):
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logging.basicConfig(level=logging.DEBUG)
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self.tempdir = tempfile.TemporaryDirectory()
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os.chdir(self.tempdir.name)
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Path('tmp').mkdir()
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def tearDown(self):
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self.tempdir.cleanup()
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@patch('requests.get')
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def test_download_file_url_parsing(self, requests_get):
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# pylint: disable=unused-argument
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def _get(url, stream, allow_redirects, headers, timeout):
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return MagicMock()
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requests_get.side_effect = _get
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f = net.download_file('https://f-droid.org/repo/entry.jar', retries=0)
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self.assertTrue(requests_get.called)
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self.assertTrue(os.path.exists(f))
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self.assertEqual('tmp/entry.jar', f)
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f = net.download_file(
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'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',
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retries=0,
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)
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self.assertTrue(requests_get.called)
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self.assertTrue(os.path.exists(f))
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self.assertEqual('tmp/com.downloader.aegis-3175421.apk', f)
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def test_download_file_retries(self):
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server = RetryServer()
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f = net.download_file('http://localhost:%d/f.txt' % server.port)
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# strip the HTTP headers and compare the reply
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self.assertEqual(server.reply.split(b'\n\n')[1], Path(f).read_bytes())
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server.stop()
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def test_download_file_retries_not_forever(self):
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"""The retry logic should eventually exit with an error."""
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server = RetryServer(failures=5)
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with self.assertRaises(requests.exceptions.ConnectionError):
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net.download_file('http://localhost:%d/f.txt' % server.port)
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server.stop()
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if __name__ == "__main__":
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os.chdir(os.path.dirname(__file__))
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parser = optparse.OptionParser()
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parser.add_option(
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"-v",
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"--verbose",
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action="store_true",
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default=False,
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help="Spew out even more information than normal",
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)
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(common.options, args) = parser.parse_args(['--verbose'])
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newSuite = unittest.TestSuite()
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newSuite.addTest(unittest.makeSuite(NetTest))
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unittest.main(failfast=False)
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