git.scottworley.com Git - paperdoorknob/blob - paperdoorknob_test.py

   1 # paperdoorknob: Print glowfic
   2 #
   3 # This program is free software: you can redistribute it and/or modify it
   4 # under the terms of the GNU General Public License as published by the
   5 # Free Software Foundation, version 3.
   6
   7
   8 import unittest
   9 import threading
  10 from http.server import BaseHTTPRequestHandler, HTTPServer
  11 import requests
  12 import requests_cache
  13 import paperdoorknob
  14
  15 TIMEOUT = 8
  16
  17
  18 class FakeGlowficHTTPRequestHandler(BaseHTTPRequestHandler):
  19
  20     def _notify_test(self) -> None:
  21         raise NotImplementedError()
  22
  23     def _response_code(self) -> int:
  24         if self.path == "/not_found":
  25             return 404
  26         if self.path == "/server_error":
  27             return 500
  28         return 200
  29
  30     def do_GET(self) -> None:
  31         body = b'<html><body>This is glowfic</body></html>'
  32         self.send_response(self._response_code())
  33         self.send_header("Content-type", "text/html")
  34         self.send_header("Content-Length", str(len(body)))
  35         self.end_headers()
  36         self.wfile.write(body)
  37         self._notify_test()
  38
  39
  40 class TestFetch(unittest.TestCase):
  41     def _port(self) -> int:
  42         port = self._web_server.socket.getsockname()[1]
  43         assert isinstance(port, int)
  44         return port
  45
  46     def _count_request(self) -> None:
  47         self._request_counter += 1
  48
  49     def setUp(self) -> None:
  50         self._request_counter = 0
  51         handler = type("Handler", (FakeGlowficHTTPRequestHandler,), {
  52                        '_notify_test': lambda _: self._count_request()})
  53         self._web_server = HTTPServer(('', 0), handler)
  54         self._thread = threading.Thread(target=self._web_server.serve_forever)
  55         self._thread.start()
  56
  57     def tearDown(self) -> None:
  58         self._web_server.shutdown()
  59         self._thread.join()
  60         self._web_server.server_close()
  61
  62     def testFetch(self) -> None:
  63         with requests.session() as s:
  64             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  65             self.assertEqual(self._request_counter, 1)
  66             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  67             self.assertEqual(self._request_counter, 2)
  68
  69     def testFetchCaching(self) -> None:
  70         with requests_cache.CachedSession() as s:
  71             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  72             self.assertEqual(self._request_counter, 1)
  73             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  74             self.assertEqual(self._request_counter, 1)
  75
  76     def testFetchErrors(self) -> None:
  77         with requests.session() as s:
  78             with self.assertRaises(requests.HTTPError):
  79                 paperdoorknob.fetch(
  80                     f"http://localhost:{self._port()}/not_found", s, TIMEOUT)
  81             with self.assertRaises(requests.HTTPError):
  82                 paperdoorknob.fetch(
  83                     f"http://localhost:{self._port()}/server_error", s, TIMEOUT)
  84
  85
  86 if __name__ == '__main__':
  87     unittest.main()