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
|
from unittest import TestCase
from django.http import HttpRequest
from django.http.request import MediaType
class MediaTypeTests(TestCase):
def test_empty(self):
for empty_media_type in (None, ""):
with self.subTest(media_type=empty_media_type):
media_type = MediaType(empty_media_type)
self.assertIs(media_type.is_all_types, False)
self.assertEqual(str(media_type), "")
self.assertEqual(repr(media_type), "<MediaType: >")
def test_str(self):
self.assertEqual(str(MediaType("*/*; q=0.8")), "*/*; q=0.8")
self.assertEqual(str(MediaType("application/xml")), "application/xml")
def test_repr(self):
self.assertEqual(repr(MediaType("*/*; q=0.8")), "<MediaType: */*; q=0.8>")
self.assertEqual(
repr(MediaType("application/xml")),
"<MediaType: application/xml>",
)
def test_is_all_types(self):
self.assertIs(MediaType("*/*").is_all_types, True)
self.assertIs(MediaType("*/*; q=0.8").is_all_types, True)
self.assertIs(MediaType("text/*").is_all_types, False)
self.assertIs(MediaType("application/xml").is_all_types, False)
def test_match(self):
tests = [
("*/*; q=0.8", "*/*"),
("*/*", "application/json"),
(" */* ", "application/json"),
("application/*", "application/json"),
("application/xml", "application/xml"),
(" application/xml ", "application/xml"),
("application/xml", " application/xml "),
]
for accepted_type, mime_type in tests:
with self.subTest(accepted_type, mime_type=mime_type):
self.assertIs(MediaType(accepted_type).match(mime_type), True)
def test_no_match(self):
tests = [
(None, "*/*"),
("", "*/*"),
("; q=0.8", "*/*"),
("application/xml", "application/html"),
("application/xml", "*/*"),
]
for accepted_type, mime_type in tests:
with self.subTest(accepted_type, mime_type=mime_type):
self.assertIs(MediaType(accepted_type).match(mime_type), False)
def test_quality(self):
tests = [
("*/*; q=0.8", 0.8),
("*/*; q=0.0001", 0),
("*/*; q=0.12345", 0.123),
("*/*; q=0.1", 0.1),
("*/*; q=-1", 1),
("*/*; q=2", 1),
("*/*; q=h", 1),
("*/*", 1),
]
for accepted_type, quality in tests:
with self.subTest(accepted_type, quality=quality):
self.assertEqual(MediaType(accepted_type).quality, quality)
def test_specificity(self):
tests = [
("*/*", 0),
("*/*;q=0.5", 0),
("text/*", 1),
("text/*;q=0.5", 1),
("text/html", 2),
("text/html;q=1", 2),
("text/html;q=0.5", 3),
]
for accepted_type, specificity in tests:
with self.subTest(accepted_type, specificity=specificity):
self.assertEqual(MediaType(accepted_type).specificity, specificity)
class AcceptHeaderTests(TestCase):
def test_no_headers(self):
"""Absence of Accept header defaults to '*/*'."""
request = HttpRequest()
self.assertEqual(
[str(accepted_type) for accepted_type in request.accepted_types],
["*/*"],
)
def test_accept_headers(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = (
"text/*,text/html, application/xhtml+xml,application/xml ;q=0.9,*/*;q=0.8,"
)
self.assertEqual(
[str(accepted_type) for accepted_type in request.accepted_types],
[
"text/html",
"application/xhtml+xml",
"text/*",
"application/xml; q=0.9",
"*/*; q=0.8",
],
)
def test_request_accepts_any(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = "*/*"
self.assertIs(request.accepts("application/json"), True)
self.assertIsNone(request.get_preferred_type([]))
self.assertEqual(
request.get_preferred_type(["application/json", "text/plain"]),
"application/json",
)
def test_request_accepts_none(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = ""
self.assertIs(request.accepts("application/json"), False)
self.assertEqual(request.accepted_types, [])
self.assertIsNone(
request.get_preferred_type(["application/json", "text/plain"])
)
def test_request_accepts_some(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = (
"text/html,application/xhtml+xml,application/xml;q=0.9"
)
self.assertIs(request.accepts("text/html"), True)
self.assertIs(request.accepts("application/xhtml+xml"), True)
self.assertIs(request.accepts("application/xml"), True)
self.assertIs(request.accepts("application/json"), False)
def test_accept_header_priority(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = (
"text/html,application/xml;q=0.9,*/*;q=0.1,text/*;q=0.5"
)
tests = [
(["text/html", "application/xml"], "text/html"),
(["application/xml", "application/json"], "application/xml"),
(["application/json"], "application/json"),
(["application/json", "text/plain"], "text/plain"),
]
for types, preferred_type in tests:
with self.subTest(types, preferred_type=preferred_type):
self.assertEqual(str(request.get_preferred_type(types)), preferred_type)
def test_accept_header_priority_overlapping_mime(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = "text/*;q=0.8,text/html;q=0.8"
self.assertEqual(
[str(accepted_type) for accepted_type in request.accepted_types],
[
"text/html; q=0.8",
"text/*; q=0.8",
],
)
def test_no_matching_accepted_type(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = "text/html"
self.assertIsNone(
request.get_preferred_type(["application/json", "text/plain"])
)
|
