absence of accept header defaults to request httprequest self assertequal stracceptedtype for acceptedtype in request acceptedtypes def testacceptheadersself request httprequest request meta httpaccept texthtml applicationxhtmlxml applicationxml q0 9 q0 8 self assertequal stracceptedtype for acceptedtype in request acceptedtypes texthtml applicationxhtmlxml applicationxml q0 9 q0 8 def testrequestacceptsanyself request httprequest request metahttpaccept self assertisrequest acceptsapplicationjson true def testrequestacceptsnoneself request httprequest request metahttpaccept self assertisrequest acceptsapplicationjson false self assertequalrequest acceptedtypes def testrequestacceptssomeself request httprequest request meta httpaccept texthtml applicationxhtmlxml applicationxml q0 9 self assertisrequest acceptstexthtml true self assertisrequest acceptsapplicationxhtmlxml true self assertisrequest acceptsapplicationxml true self assertisrequest acceptsapplicationjson false absence of accept header defaults to
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)


class AcceptHeaderTests(TestCase):
    def test_no_headers(self):
        
        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/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",
                "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)

    def test_request_accepts_none(self):
        request = HttpRequest()
        request.META["HTTP_ACCEPT"] = ""
        self.assertIs(request.accepts("application/json"), False)
        self.assertEqual(request.accepted_types, [])

    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)