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 paperdoorknob
  13
  14 TIMEOUT = 8
  15
  16
  17 class FakeGlowficHTTPRequestHandler(BaseHTTPRequestHandler):
  18
  19     def _notify_test(self) -> None:
  20         raise NotImplementedError()
  21
  22     def _response_code(self) -> int:
  23         if self.path == "/not_found":
  24             return 404
  25         if self.path == "/server_error":
  26             return 500
  27         return 200
  28
  29     def do_GET(self) -> None:
  30         body = b'<html><body>This is glowfic</body></html>'
  31         self.send_response(self._response_code())
  32         self.send_header("Content-type", "text/html")
  33         self.send_header("Content-Length", str(len(body)))
  34         self.end_headers()
  35         self.wfile.write(body)
  36         self._notify_test()
  37
  38
  39 class TestFetch(unittest.TestCase):
  40     def _port(self) -> int:
  41         port = self._web_server.socket.getsockname()[1]
  42         assert isinstance(port, int)
  43         return port
  44
  45     def _count_request(self) -> None:
  46         self._request_counter += 1
  47
  48     def setUp(self) -> None:
  49         self._request_counter = 0
  50         handler = type("Handler", (FakeGlowficHTTPRequestHandler,), {
  51                        '_notify_test': lambda _: self._count_request()})
  52         self._web_server = HTTPServer(('', 0), handler)
  53         self._thread = threading.Thread(target=self._web_server.serve_forever)
  54         self._thread.start()
  55
  56     def tearDown(self) -> None:
  57         self._web_server.shutdown()
  58         self._thread.join()
  59         self._web_server.server_close()
  60
  61     def testFetch(self) -> None:
  62         with requests.session() as s:
  63             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  64             self.assertEqual(self._request_counter, 1)
  65             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  66             self.assertEqual(self._request_counter, 2)
  67
  68     def testFetchErrors(self) -> None:
  69         with requests.session() as s:
  70             with self.assertRaises(requests.HTTPError):
  71                 paperdoorknob.fetch(
  72                     f"http://localhost:{self._port()}/not_found", s, TIMEOUT)
  73             with self.assertRaises(requests.HTTPError):
  74                 paperdoorknob.fetch(
  75                     f"http://localhost:{self._port()}/server_error", s, TIMEOUT)
  76
  77
  78 if __name__ == '__main__':
  79     unittest.main()