aboutsummaryrefslogtreecommitdiff
path: root/test/test_util.py
blob: 5dcaeabddef6a87f70fdb2d1bfb4bb6fe0a2dce3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
import logging
import unittest

from mock import patch

from urllib3 import add_stderr_logger
from urllib3.util import (
    get_host,
    make_headers,
    split_first,
    parse_url,
    Timeout,
    Url,
)
from urllib3.exceptions import LocationParseError, TimeoutStateError

# This number represents a time in seconds, it doesn't mean anything in
# isolation. Setting to a high-ish value to avoid conflicts with the smaller
# numbers used for timeouts
TIMEOUT_EPOCH = 1000

class TestUtil(unittest.TestCase):
    def test_get_host(self):
        url_host_map = {
            # Hosts
            'http://google.com/mail': ('http', 'google.com', None),
            'http://google.com/mail/': ('http', 'google.com', None),
            'google.com/mail': ('http', 'google.com', None),
            'http://google.com/': ('http', 'google.com', None),
            'http://google.com': ('http', 'google.com', None),
            'http://www.google.com': ('http', 'www.google.com', None),
            'http://mail.google.com': ('http', 'mail.google.com', None),
            'http://google.com:8000/mail/': ('http', 'google.com', 8000),
            'http://google.com:8000': ('http', 'google.com', 8000),
            'https://google.com': ('https', 'google.com', None),
            'https://google.com:8000': ('https', 'google.com', 8000),
            'http://user:password@127.0.0.1:1234': ('http', '127.0.0.1', 1234),
            'http://google.com/foo=http://bar:42/baz': ('http', 'google.com', None),
            'http://google.com?foo=http://bar:42/baz': ('http', 'google.com', None),
            'http://google.com#foo=http://bar:42/baz': ('http', 'google.com', None),

            # IPv4
            '173.194.35.7': ('http', '173.194.35.7', None),
            'http://173.194.35.7': ('http', '173.194.35.7', None),
            'http://173.194.35.7/test': ('http', '173.194.35.7', None),
            'http://173.194.35.7:80': ('http', '173.194.35.7', 80),
            'http://173.194.35.7:80/test': ('http', '173.194.35.7', 80),

            # IPv6
            '[2a00:1450:4001:c01::67]': ('http', '[2a00:1450:4001:c01::67]', None),
            'http://[2a00:1450:4001:c01::67]': ('http', '[2a00:1450:4001:c01::67]', None),
            'http://[2a00:1450:4001:c01::67]/test': ('http', '[2a00:1450:4001:c01::67]', None),
            'http://[2a00:1450:4001:c01::67]:80': ('http', '[2a00:1450:4001:c01::67]', 80),
            'http://[2a00:1450:4001:c01::67]:80/test': ('http', '[2a00:1450:4001:c01::67]', 80),

            # More IPv6 from http://www.ietf.org/rfc/rfc2732.txt
            'http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:8000/index.html': ('http', '[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]', 8000),
            'http://[1080:0:0:0:8:800:200C:417A]/index.html': ('http', '[1080:0:0:0:8:800:200C:417A]', None),
            'http://[3ffe:2a00:100:7031::1]': ('http', '[3ffe:2a00:100:7031::1]', None),
            'http://[1080::8:800:200C:417A]/foo': ('http', '[1080::8:800:200C:417A]', None),
            'http://[::192.9.5.5]/ipng': ('http', '[::192.9.5.5]', None),
            'http://[::FFFF:129.144.52.38]:42/index.html': ('http', '[::FFFF:129.144.52.38]', 42),
            'http://[2010:836B:4179::836B:4179]': ('http', '[2010:836B:4179::836B:4179]', None),
        }
        for url, expected_host in url_host_map.items():
            returned_host = get_host(url)
            self.assertEqual(returned_host, expected_host)

    def test_invalid_host(self):
        # TODO: Add more tests
        invalid_host = [
            'http://google.com:foo',
            'http://::1/',
            'http://::1:80/',
        ]

        for location in invalid_host:
            self.assertRaises(LocationParseError, get_host, location)


    def test_parse_url(self):
        url_host_map = {
            'http://google.com/mail': Url('http', host='google.com', path='/mail'),
            'http://google.com/mail/': Url('http', host='google.com', path='/mail/'),
            'google.com/mail': Url(host='google.com', path='/mail'),
            'http://google.com/': Url('http', host='google.com', path='/'),
            'http://google.com': Url('http', host='google.com'),
            'http://google.com?foo': Url('http', host='google.com', path='', query='foo'),

            # Path/query/fragment
            '': Url(),
            '/': Url(path='/'),
            '?': Url(path='', query=''),
            '#': Url(path='', fragment=''),
            '#?/!google.com/?foo#bar': Url(path='', fragment='?/!google.com/?foo#bar'),
            '/foo': Url(path='/foo'),
            '/foo?bar=baz': Url(path='/foo', query='bar=baz'),
            '/foo?bar=baz#banana?apple/orange': Url(path='/foo', query='bar=baz', fragment='banana?apple/orange'),

            # Port
            'http://google.com/': Url('http', host='google.com', path='/'),
            'http://google.com:80/': Url('http', host='google.com', port=80, path='/'),
            'http://google.com:/': Url('http', host='google.com', path='/'),
            'http://google.com:80': Url('http', host='google.com', port=80),
            'http://google.com:': Url('http', host='google.com'),

            # Auth
            'http://foo:bar@localhost/': Url('http', auth='foo:bar', host='localhost', path='/'),
            'http://foo@localhost/': Url('http', auth='foo', host='localhost', path='/'),
            'http://foo:bar@baz@localhost/': Url('http', auth='foo:bar@baz', host='localhost', path='/'),
            'http://@': Url('http', host=None, auth='')
        }
        for url, expected_url in url_host_map.items():
            returned_url = parse_url(url)
            self.assertEqual(returned_url, expected_url)

    def test_parse_url_invalid_IPv6(self):
        self.assertRaises(ValueError, parse_url, '[::1')

    def test_request_uri(self):
        url_host_map = {
            'http://google.com/mail': '/mail',
            'http://google.com/mail/': '/mail/',
            'http://google.com/': '/',
            'http://google.com': '/',
            '': '/',
            '/': '/',
            '?': '/?',
            '#': '/',
            '/foo?bar=baz': '/foo?bar=baz',
        }
        for url, expected_request_uri in url_host_map.items():
            returned_url = parse_url(url)
            self.assertEqual(returned_url.request_uri, expected_request_uri)

    def test_netloc(self):
        url_netloc_map = {
            'http://google.com/mail': 'google.com',
            'http://google.com:80/mail': 'google.com:80',
            'google.com/foobar': 'google.com',
            'google.com:12345': 'google.com:12345',
        }

        for url, expected_netloc in url_netloc_map.items():
            self.assertEqual(parse_url(url).netloc, expected_netloc)

    def test_make_headers(self):
        self.assertEqual(
            make_headers(accept_encoding=True),
            {'accept-encoding': 'gzip,deflate'})

        self.assertEqual(
            make_headers(accept_encoding='foo,bar'),
            {'accept-encoding': 'foo,bar'})

        self.assertEqual(
            make_headers(accept_encoding=['foo', 'bar']),
            {'accept-encoding': 'foo,bar'})

        self.assertEqual(
            make_headers(accept_encoding=True, user_agent='banana'),
            {'accept-encoding': 'gzip,deflate', 'user-agent': 'banana'})

        self.assertEqual(
            make_headers(user_agent='banana'),
            {'user-agent': 'banana'})

        self.assertEqual(
            make_headers(keep_alive=True),
            {'connection': 'keep-alive'})

        self.assertEqual(
            make_headers(basic_auth='foo:bar'),
            {'authorization': 'Basic Zm9vOmJhcg=='})

        self.assertEqual(
            make_headers(proxy_basic_auth='foo:bar'),
            {'proxy-authorization': 'Basic Zm9vOmJhcg=='})

    def test_split_first(self):
        test_cases = {
            ('abcd', 'b'): ('a', 'cd', 'b'),
            ('abcd', 'cb'): ('a', 'cd', 'b'),
            ('abcd', ''): ('abcd', '', None),
            ('abcd', 'a'): ('', 'bcd', 'a'),
            ('abcd', 'ab'): ('', 'bcd', 'a'),
        }
        for input, expected in test_cases.items():
            output = split_first(*input)
            self.assertEqual(output, expected)

    def test_add_stderr_logger(self):
        handler = add_stderr_logger(level=logging.INFO) # Don't actually print debug
        logger = logging.getLogger('urllib3')
        self.assertTrue(handler in logger.handlers)

        logger.debug('Testing add_stderr_logger')
        logger.removeHandler(handler)

    def _make_time_pass(self, seconds, timeout, time_mock):
        """ Make some time pass for the timeout object """
        time_mock.return_value = TIMEOUT_EPOCH
        timeout.start_connect()
        time_mock.return_value = TIMEOUT_EPOCH + seconds
        return timeout

    def test_invalid_timeouts(self):
        try:
            Timeout(total=-1)
            self.fail("negative value should throw exception")
        except ValueError as e:
            self.assertTrue('less than' in str(e))
        try:
            Timeout(connect=2, total=-1)
            self.fail("negative value should throw exception")
        except ValueError as e:
            self.assertTrue('less than' in str(e))

        try:
            Timeout(read=-1)
            self.fail("negative value should throw exception")
        except ValueError as e:
            self.assertTrue('less than' in str(e))

        # Booleans are allowed also by socket.settimeout and converted to the
        # equivalent float (1.0 for True, 0.0 for False)
        Timeout(connect=False, read=True)

        try:
            Timeout(read="foo")
            self.fail("string value should not be allowed")
        except ValueError as e:
            self.assertTrue('int or float' in str(e))


    @patch('urllib3.util.timeout.current_time')
    def test_timeout(self, current_time):
        timeout = Timeout(total=3)

        # make 'no time' elapse
        timeout = self._make_time_pass(seconds=0, timeout=timeout,
                                       time_mock=current_time)
        self.assertEqual(timeout.read_timeout, 3)
        self.assertEqual(timeout.connect_timeout, 3)

        timeout = Timeout(total=3, connect=2)
        self.assertEqual(timeout.connect_timeout, 2)

        timeout = Timeout()
        self.assertEqual(timeout.connect_timeout, Timeout.DEFAULT_TIMEOUT)

        # Connect takes 5 seconds, leaving 5 seconds for read
        timeout = Timeout(total=10, read=7)
        timeout = self._make_time_pass(seconds=5, timeout=timeout,
                                       time_mock=current_time)
        self.assertEqual(timeout.read_timeout, 5)

        # Connect takes 2 seconds, read timeout still 7 seconds
        timeout = Timeout(total=10, read=7)
        timeout = self._make_time_pass(seconds=2, timeout=timeout,
                                       time_mock=current_time)
        self.assertEqual(timeout.read_timeout, 7)

        timeout = Timeout(total=10, read=7)
        self.assertEqual(timeout.read_timeout, 7)

        timeout = Timeout(total=None, read=None, connect=None)
        self.assertEqual(timeout.connect_timeout, None)
        self.assertEqual(timeout.read_timeout, None)
        self.assertEqual(timeout.total, None)

        timeout = Timeout(5)
        self.assertEqual(timeout.total, 5)


    def test_timeout_str(self):
        timeout = Timeout(connect=1, read=2, total=3)
        self.assertEqual(str(timeout), "Timeout(connect=1, read=2, total=3)")
        timeout = Timeout(connect=1, read=None, total=3)
        self.assertEqual(str(timeout), "Timeout(connect=1, read=None, total=3)")


    @patch('urllib3.util.timeout.current_time')
    def test_timeout_elapsed(self, current_time):
        current_time.return_value = TIMEOUT_EPOCH
        timeout = Timeout(total=3)
        self.assertRaises(TimeoutStateError, timeout.get_connect_duration)

        timeout.start_connect()
        self.assertRaises(TimeoutStateError, timeout.start_connect)

        current_time.return_value = TIMEOUT_EPOCH + 2
        self.assertEqual(timeout.get_connect_duration(), 2)
        current_time.return_value = TIMEOUT_EPOCH + 37
        self.assertEqual(timeout.get_connect_duration(), 37)