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Code Issues 32 Releases Wiki Activity

Fixed #35631 -- Added HttpRequest.get_preferred_type().

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This commit is contained in:
Jake Howard
2024-07-26 12:34:42 +01:00
committed by Sarah Boyce
parent 826ef00668
commit e161bd4657
5 changed files with 247 additions and 26 deletions
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76
tests/requests_tests/test_accept_header.py
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@@ -56,6 +56,35 @@ class MediaTypeTests(TestCase):
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):
@@ -69,13 +98,14 @@ class AcceptHeaderTests(TestCase):
def test_accept_headers(self):
request = HttpRequest()
request.META["HTTP_ACCEPT"] = (
"text/html, application/xhtml+xml,application/xml ;q=0.9,*/*;q=0.8"
"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",
],
@@ -85,12 +115,20 @@ class AcceptHeaderTests(TestCase):
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()
@@ -101,3 +139,39 @@ class AcceptHeaderTests(TestCase):
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"])
)