Added unit tests. Added test for HTTP request parser.
[ipypbx] / src / ipypbx / tests / test_http.py
1 # Copyright (c) Stas Shtin, 2010
2
3 # This file is part of IPyPBX.
4
5 # IPyPBX is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
9
10 # IPyPBX is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 # GNU General Public License for more details.
14
15 # You should have received a copy of the GNU General Public License
16 # along with IPyPBX.  If not, see <http://www.gnu.org/licenses/>.
17
18 import unittest
19 from ipypbx import http
20
21
22 class TestHttpRequestParser(unittest.TestCase):
23     """
24     Tests for ipypbx.http.HttpRequestParser.
25     """    
26     def setUp(self):
27         """
28         Initialize request object.
29         """
30         self.request = http.HttpRequestParser()
31
32     def test_initial_state(self):
33         """
34         Check the default values.
35         """
36         self.assertEqual(self.request.method, None)        
37         self.assertEqual(self.request.request_path, None)        
38         self.assertEqual(self.request.http_version, None)        
39         self.assertEqual(self.request.headers, {})        
40         self.assertEqual(self.request.data, {})        
41         self.assertEqual(self.request.result, None)        
42         self.assertEqual(self.request.state, self.request.HTTP_NONE)
43
44     def test_handle_none(self):
45         """
46         HttpRequestParser.handleNone should just invoke next method and got to
47         headers parsing.
48         """
49         self.request.handle('GET / HTTP/1.1')
50         self.assertNotEqual(self.request.state, self.request.HTTP_NONE)
51
52
53     def test_handle_request(self):
54         """
55         HttpRequestParser.handleRequest should get method, request path and HTTP
56         version from the request and move to headers parsing.
57         """
58         self.request.handle('GET / HTTP/1.1')
59         self.assertEqual(self.request.method, 'GET')
60         self.assertEqual(self.request.request_path, '/')
61         self.assertEqual(self.request.http_version, 'HTTP/1.1')
62         
63         self.assertEqual(self.request.state, self.request.HTTP_HEADERS)
64         
65
66     def test_handle_headers(self):
67         """
68         HttpRequestParser.handleNone should parse headers until empty line is
69         received.
70         """
71         # Move to target state.
72         self.request.handle('GET / HTTP/1.1')
73
74         # Handle first header.
75         self.request.handle('Foo: bar')
76         self.assertEqual(self.request.state, self.request.HTTP_HEADERS)
77         self.assertEqual(self.request.headers['Foo'], 'bar')
78         self.assertEqual(len(self.request.headers), 1)
79
80         # Handle next header.
81         self.request.handle('Qwe: asd')
82         self.assertEqual(self.request.state, self.request.HTTP_HEADERS)
83         self.assertEqual(self.request.headers['Qwe'], 'asd')
84         self.assertEqual(len(self.request.headers), 2)
85
86         # Empty line terminates 
87         self.request.handle('')
88         self.assertNotEqual(self.request.state, self.request.HTTP_HEADERS)
89         self.assertEqual(self.request.headers['Qwe'], 'asd')
90         self.assertEqual(len(self.request.headers), 2)
91         
92     def test_handle_empty(self):
93         """
94         HttpRequestParser.handleEmpty just passes to next state.
95         """
96         prev_state = self.request.state
97         self.request.handleEmpty('')
98         self.assertEqual(self.request.state, prev_state + 1)
99
100     def _run_lines(self, *lines):
101         for line in lines:
102             self.request.handle(line)        
103
104     def test_handle_body(self):
105         self._run_lines(
106             'POST / HTTP/1.1',
107             '',
108             'foo=bar&qwe=asd')
109         self.assertEqual(self.request.data, {'foo': 'bar', 'qwe': 'asd'})
110         
111     def test_handle_body_with_missing_values(self):
112         self._run_lines(
113             'POST / HTTP/1.1',
114             '',
115             'foo=bar&qwe=')
116         self.assertEqual(self.request.data, {'foo': 'bar', 'qwe': ''})
117                 
118
119     def test_non_post_fails(self):
120         self.request.handle('GET / HTTP/1.1')
121         self.request.handle('')
122         self.assertRaises(
123             http.HttpParseError, self.request.handle,
124             'Only post requests work')
125
126