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[paperdoorknob] / 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>
32 <body>
33 <div class="post-container post-post">
34 This is glowfic
35 </div>
36 <div class="flat-post-replies">
37 <div class="post-container post-reply">
38 You sure?
39 </div>
40 <div class="post-container post-reply">
41 Pretty sure.
42 </div>
43 </div>
44 </body>
45 </html>'''
46 self.send_response(self._response_code())
47 self.send_header("Content-type", "text/html")
48 self.send_header("Content-Length", str(len(body)))
49 self.end_headers()
50 self.wfile.write(body)
51 self._notify_test()
52
53
54 class TestFetch(unittest.TestCase):
55 def _port(self) -> int:
56 port = self._web_server.socket.getsockname()[1]
57 assert isinstance(port, int)
58 return port
59
60 def _count_request(self) -> None:
61 self._request_counter += 1
62
63 def setUp(self) -> None:
64 self._request_counter = 0
65 handler = type("Handler", (FakeGlowficHTTPRequestHandler,), {
66 '_notify_test': lambda _: self._count_request()})
67 self._web_server = HTTPServer(('', 0), handler)
68 self._thread = threading.Thread(target=self._web_server.serve_forever)
69 self._thread.start()
70
71 def tearDown(self) -> None:
72 self._web_server.shutdown()
73 self._thread.join()
74 self._web_server.server_close()
75
76 def testFetch(self) -> None:
77 with requests.session() as s:
78 paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
79 self.assertEqual(self._request_counter, 1)
80 paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
81 self.assertEqual(self._request_counter, 2)
82
83 def testFetchCaching(self) -> None:
84 with requests_cache.CachedSession() as s:
85 paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
86 self.assertEqual(self._request_counter, 1)
87 paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
88 self.assertEqual(self._request_counter, 1)
89
90 def testFetchPersistentCaching(self) -> None:
91 with requests_cache.CachedSession() as s:
92 paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
93 self.assertEqual(self._request_counter, 1)
94 with requests_cache.CachedSession() as s:
95 paperdoorknob.fetch(f"http://localhost:{self._port()}", s, TIMEOUT)
96 self.assertEqual(self._request_counter, 1)
97
98 def testFetchConents(self) -> None:
99 with requests.session() as s:
100 post = paperdoorknob.Post(paperdoorknob.fetch(
101 f"http://localhost:{self._port()}", s, TIMEOUT))
102 self.assertEqual(post.text().text.strip(), "This is glowfic")
103 self.assertEqual([r.text.strip() for r in post.replies()],
104 ["You sure?", "Pretty sure."])
105
106 def testFetchErrors(self) -> None:
107 with requests.session() as s:
108 with self.assertRaises(requests.HTTPError):
109 paperdoorknob.fetch(
110 f"http://localhost:{self._port()}/not_found", s, TIMEOUT)
111 with self.assertRaises(requests.HTTPError):
112 paperdoorknob.fetch(
113 f"http://localhost:{self._port()}/server_error", s, TIMEOUT)
114
115
116 if __name__ == '__main__':
117 unittest.main()