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 io
  10 import subprocess
  11 import threading
  12 from http.server import BaseHTTPRequestHandler, HTTPServer
  13 import requests
  14 import requests_cache
  15 import paperdoorknob
  16
  17 TIMEOUT = 8
  18
  19
  20 class FakeGlowficHTTPRequestHandler(BaseHTTPRequestHandler):
  21
  22     def _notify_test(self) -> None:
  23         raise NotImplementedError()
  24
  25     def _response_code(self) -> int:
  26         if self.path == "/not_found":
  27             return 404
  28         if self.path == "/server_error":
  29             return 500
  30         return 200
  31
  32     def do_GET(self) -> None:
  33         body = b'''<html>
  34   <body>
  35     <div class="post-container post-post">
  36       <div class="post-edit-box">We don't want edit boxes</div>
  37       This is glowfic
  38       <div class="post-footer">We don't want footers</div>
  39     </div>
  40     <div class="flat-post-replies">
  41       <div class="post-container post-reply">
  42         <div class="post-edit-box">We don't want edit boxes</div>
  43         You <em>sure</em>?
  44         <div class="post-footer">We don't want footers</div>
  45       </div>
  46       <div class="post-container post-reply">
  47         Pretty sure.
  48       </div>
  49     </div>
  50   </body>
  51 </html>'''
  52         self.send_response(self._response_code())
  53         self.send_header("Content-type", "text/html")
  54         self.send_header("Content-Length", str(len(body)))
  55         self.end_headers()
  56         self.wfile.write(body)
  57         self._notify_test()
  58
  59
  60 class TestFetch(unittest.TestCase):
  61     def _port(self) -> int:
  62         port = self._web_server.socket.getsockname()[1]
  63         assert isinstance(port, int)
  64         return port
  65
  66     def _count_request(self) -> None:
  67         self._request_counter += 1
  68
  69     def setUp(self) -> None:
  70         self._request_counter = 0
  71         handler = type("Handler", (FakeGlowficHTTPRequestHandler,), {
  72                        '_notify_test': lambda _: self._count_request()})
  73         self._web_server = HTTPServer(('', 0), handler)
  74         self._thread = threading.Thread(target=self._web_server.serve_forever)
  75         self._thread.start()
  76
  77     def tearDown(self) -> None:
  78         self._web_server.shutdown()
  79         self._thread.join()
  80         self._web_server.server_close()
  81
  82     def testFetch(self) -> None:
  83         with requests.session() as s:
  84             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  85             self.assertEqual(self._request_counter, 1)
  86             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  87             self.assertEqual(self._request_counter, 2)
  88
  89     def testFetchCaching(self) -> None:
  90         with requests_cache.CachedSession() as s:
  91             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  92             self.assertEqual(self._request_counter, 1)
  93             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  94             self.assertEqual(self._request_counter, 1)
  95
  96     def testFetchPersistentCaching(self) -> None:
  97         with requests_cache.CachedSession() as s:
  98             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
  99             self.assertEqual(self._request_counter, 1)
 100         with requests_cache.CachedSession() as s:
 101             paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
 102             self.assertEqual(self._request_counter, 1)
 103
 104     def testReplies(self) -> None:
 105         with requests.session() as s:
 106             replies = paperdoorknob.replies(
 107                 paperdoorknob.clean(
 108                     paperdoorknob.fetch(
 109                         f"http://localhost:{self._port()}",
 110                         s,
 111                         TIMEOUT)))
 112             self.assertEqual([r.text.strip() for r in replies],
 113                              ["This is glowfic", "You sure?", "Pretty sure."])
 114
 115     def testFetchErrors(self) -> None:
 116         with requests.session() as s:
 117             with self.assertRaises(requests.HTTPError):
 118                 paperdoorknob.fetch(
 119                     f"http://localhost:{self._port()}/not_found", s, TIMEOUT)
 120             with self.assertRaises(requests.HTTPError):
 121                 paperdoorknob.fetch(
 122                     f"http://localhost:{self._port()}/server_error", s, TIMEOUT)
 123
 124     def testProcess(self) -> None:
 125         with requests.session() as s:
 126             buf = io.BytesIO()
 127             paperdoorknob.process(
 128                 f"http://localhost:{self._port()}",
 129                 s,
 130                 TIMEOUT,
 131                 buf,
 132                 'pandoc')
 133             self.assertEqual(buf.getvalue(), b'''\\documentclass{article}
 134 \\begin{document}
 135 This is glowfic
 136 You \\emph{sure}?
 137 Pretty sure.
 138 \\end{document}
 139 ''')
 140
 141     def testPDF(self) -> None:
 142         with requests.session() as s:
 143             with open("test.tex", 'wb') as out:
 144                 paperdoorknob.process(
 145                     f"http://localhost:{self._port()}",
 146                     s,
 147                     TIMEOUT,
 148                     out,
 149                     'pandoc')
 150             subprocess.run(['pdflatex', 'test.tex'],
 151                            stdin=subprocess.DEVNULL, check=True)
 152
 153
 154 if __name__ == '__main__':
 155     unittest.main()