438 lines
13 KiB
Python
438 lines
13 KiB
Python
from unittest.mock import Mock
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import pytest
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from sanic import headers, text
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from sanic.exceptions import InvalidHeader, PayloadTooLarge
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from sanic.http import Http
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from sanic.request import Request
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@pytest.fixture
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def raised_ceiling():
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Http.HEADER_CEILING = 32_768
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yield
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Http.HEADER_CEILING = 16_384
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@pytest.mark.parametrize(
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"input, expected",
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[
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("text/plain", ("text/plain", {})),
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("text/vnd.just.made.this.up ; ", ("text/vnd.just.made.this.up", {})),
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(
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"text/plain;charset=us-ascii",
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("text/plain", {"charset": "us-ascii"}),
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),
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(
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'text/plain ; charset="us-ascii"',
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("text/plain", {"charset": "us-ascii"}),
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),
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(
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'text/plain ; charset="us-ascii"; another=opt',
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("text/plain", {"charset": "us-ascii", "another": "opt"}),
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),
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(
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'attachment; filename="silly.txt"',
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("attachment", {"filename": "silly.txt"}),
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),
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(
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'attachment; filename="strange;name"',
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("attachment", {"filename": "strange;name"}),
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),
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(
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'attachment; filename="strange;name";size=123;',
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("attachment", {"filename": "strange;name", "size": "123"}),
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),
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(
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'form-data; name="files"; filename="fo\\"o;bar\\"',
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("form-data", {"name": "files", "filename": 'fo"o;bar\\'})
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# cgi.parse_header:
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# ('form-data', {'name': 'files', 'filename': 'fo"o;bar\\'})
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# werkzeug.parse_options_header:
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# (
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# "form-data",
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# {"name": "files", "filename": '"fo\\"o', 'bar\\"': None},
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# ),
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),
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# <input type=file name="foo";bar\"> with Unicode filename!
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(
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# Chrome:
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# Content-Disposition: form-data; name="foo%22;bar\"; filename="😀"
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'form-data; name="foo%22;bar\\"; filename="😀"',
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("form-data", {"name": 'foo";bar\\', "filename": "😀"})
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# cgi: ('form-data', {'name': 'foo%22;bar"; filename="😀'})
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# werkzeug: ('form-data', {'name': 'foo%22;bar"; filename='})
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),
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(
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# Firefox:
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# Content-Disposition: form-data; name="foo\";bar\"; filename="😀"
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'form-data; name="foo\\";bar\\"; filename="😀"',
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("form-data", {"name": 'foo";bar\\', "filename": "😀"})
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# cgi: ('form-data', {'name': 'foo";bar"; filename="😀'})
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# werkzeug: ('form-data', {'name': 'foo";bar"; filename='})
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),
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],
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)
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def test_parse_headers(input, expected):
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assert headers.parse_content_header(input) == expected
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@pytest.mark.asyncio
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async def test_header_size_exceeded():
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recv_buffer = bytearray()
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async def _receive_more():
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nonlocal recv_buffer
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recv_buffer += b"123"
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protocol = Mock()
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Http.set_header_max_size(1)
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http = Http(protocol)
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http._receive_more = _receive_more
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http.recv_buffer = recv_buffer
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with pytest.raises(PayloadTooLarge):
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await http.http1_request_header()
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@pytest.mark.asyncio
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async def test_header_size_increased_okay():
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recv_buffer = bytearray()
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async def _receive_more():
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nonlocal recv_buffer
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recv_buffer += b"123"
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protocol = Mock()
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Http.set_header_max_size(12_288)
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http = Http(protocol)
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http._receive_more = _receive_more
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http.recv_buffer = recv_buffer
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with pytest.raises(PayloadTooLarge):
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await http.http1_request_header()
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assert len(recv_buffer) == 12_291
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@pytest.mark.asyncio
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async def test_header_size_exceeded_maxed_out():
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recv_buffer = bytearray()
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async def _receive_more():
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nonlocal recv_buffer
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recv_buffer += b"123"
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protocol = Mock()
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Http.set_header_max_size(18_432)
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http = Http(protocol)
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http._receive_more = _receive_more
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http.recv_buffer = recv_buffer
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with pytest.raises(PayloadTooLarge):
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await http.http1_request_header()
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assert len(recv_buffer) == 16_389
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@pytest.mark.asyncio
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async def test_header_size_exceeded_raised_ceiling(raised_ceiling):
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recv_buffer = bytearray()
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async def _receive_more():
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nonlocal recv_buffer
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recv_buffer += b"123"
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protocol = Mock()
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http = Http(protocol)
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Http.set_header_max_size(65_536)
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http._receive_more = _receive_more
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http.recv_buffer = recv_buffer
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with pytest.raises(PayloadTooLarge):
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await http.http1_request_header()
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assert len(recv_buffer) == 32_772
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def test_raw_headers(app):
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app.route("/")(lambda _: text(""))
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request, _ = app.test_client.get(
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"/",
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headers={
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"FOO": "bar",
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"Host": "example.com",
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"User-Agent": "Sanic-Testing",
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},
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)
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assert b"Host: example.com" in request.raw_headers
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assert b"Accept: */*" in request.raw_headers
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assert b"Accept-Encoding: gzip, deflate" in request.raw_headers
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assert b"Connection: keep-alive" in request.raw_headers
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assert b"User-Agent: Sanic-Testing" in request.raw_headers
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assert b"FOO: bar" in request.raw_headers
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def test_request_line(app):
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app.route("/")(lambda _: text(""))
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request, _ = app.test_client.get(
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"/",
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headers={
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"FOO": "bar",
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"Host": "example.com",
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"User-Agent": "Sanic-Testing",
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},
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)
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assert request.request_line == b"GET / HTTP/1.1"
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@pytest.mark.parametrize(
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"raw,expected_subtype",
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(
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("show/first, show/second", "first"),
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("show/*, show/first", "first"),
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("*/*, show/first", "first"),
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("*/*, show/*", "*"),
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("other/*; q=0.1, show/*; q=0.2", "*"),
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("show/first; q=0.5, show/second; q=0.5", "first"),
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("show/first; foo=bar, show/second; foo=bar", "first"),
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("show/second, show/first; foo=bar", "first"),
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("show/second; q=0.5, show/first; foo=bar; q=0.5", "first"),
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("show/second; q=0.5, show/first; q=1.0", "first"),
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("show/first, show/second; q=1.0", "second"),
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),
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)
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def test_parse_accept_ordered_okay(raw, expected_subtype):
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ordered = headers.parse_accept(raw)
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assert ordered[0].type == "show"
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assert ordered[0].subtype == expected_subtype
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@pytest.mark.parametrize(
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"raw",
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(
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"missing",
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"missing/",
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"/missing",
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"/",
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),
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)
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def test_bad_accept(raw):
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with pytest.raises(InvalidHeader):
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headers.parse_accept(raw)
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def test_empty_accept():
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a = headers.parse_accept("")
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assert a == []
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assert not a.match("*/*")
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def test_wildcard_accept_set_ok():
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accept = headers.parse_accept("*/*")[0]
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assert accept.type == "*"
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assert accept.subtype == "*"
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assert accept.has_wildcard
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accept = headers.parse_accept("foo/*")[0]
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assert accept.type == "foo"
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assert accept.subtype == "*"
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assert accept.has_wildcard
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accept = headers.parse_accept("foo/bar")[0]
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assert accept.type == "foo"
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assert accept.subtype == "bar"
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assert not accept.has_wildcard
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def test_accept_parsed_against_str():
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accept = headers.Matched.parse("foo/bar")
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assert accept == "foo/bar; q=0.1"
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def test_media_type_matching():
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assert headers.MediaType("foo", "bar").match(
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headers.MediaType("foo", "bar")
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)
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assert headers.MediaType("foo", "bar").match("foo/bar")
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@pytest.mark.parametrize(
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"value,other,outcome",
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(
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# ALLOW BOTH
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("foo/bar", "foo/bar", True),
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("foo/bar", headers.Matched.parse("foo/bar"), True),
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("foo/bar", "foo/*", True),
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("foo/bar", headers.Matched.parse("foo/*"), True),
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("foo/bar", "*/*", True),
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("foo/bar", headers.Matched.parse("*/*"), True),
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("foo/*", "foo/bar", True),
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("foo/*", headers.Matched.parse("foo/bar"), True),
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("foo/*", "foo/*", True),
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("foo/*", headers.Matched.parse("foo/*"), True),
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("foo/*", "*/*", True),
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("foo/*", headers.Matched.parse("*/*"), True),
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("*/*", "foo/bar", True),
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("*/*", headers.Matched.parse("foo/bar"), True),
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("*/*", "foo/*", True),
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("*/*", headers.Matched.parse("foo/*"), True),
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("*/*", "*/*", True),
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("*/*", headers.Matched.parse("*/*"), True),
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),
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)
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def test_accept_matching(value, other, outcome):
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assert bool(headers.Matched.parse(value).match(other)) is outcome
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@pytest.mark.parametrize("value", ("foo/bar", "foo/*", "*/*"))
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def test_value_in_accept(value):
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acceptable = headers.parse_accept(value)
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assert acceptable.match("foo/bar")
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assert acceptable.match("foo/*")
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assert acceptable.match("*/*")
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@pytest.mark.parametrize("value", ("foo/bar", "foo/*"))
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def test_value_not_in_accept(value):
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acceptable = headers.parse_accept(value)
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assert not acceptable.match("no/match")
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assert not acceptable.match("no/*")
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assert "*/*" not in acceptable
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assert "*/bar" not in acceptable
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@pytest.mark.parametrize(
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"header,expected",
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(
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(
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"text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8", # noqa: E501
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[
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"text/html",
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"application/xhtml+xml",
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"image/avif",
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"image/webp",
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"application/xml;q=0.9",
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"*/*;q=0.8",
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],
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),
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),
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)
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def test_browser_headers_general(header, expected):
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request = Request(b"/", {"accept": header}, "1.1", "GET", None, None)
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assert [str(item) for item in request.accept] == expected
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@pytest.mark.parametrize(
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"header,expected",
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(
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(
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"text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8", # noqa: E501
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[
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("text/html", 1.0),
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("application/xhtml+xml", 1.0),
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("image/avif", 1.0),
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("image/webp", 1.0),
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("application/xml", 0.9),
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("*/*", 0.8),
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],
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),
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),
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)
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def test_browser_headers_specific(header, expected):
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mimes = [e[0] for e in expected]
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qs = [e[1] for e in expected]
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request = Request(b"/", {"accept": header}, "1.1", "GET", None, None)
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assert request.accept == mimes
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for a, m, q in zip(request.accept, mimes, qs):
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assert a == m
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assert a.mime == m
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assert a.q == q
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@pytest.mark.parametrize(
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"raw",
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(
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"text/html, application/xhtml+xml, application/xml;q=0.9, */*;q=0.8",
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"application/xml;q=0.9, */*;q=0.8, text/html, application/xhtml+xml",
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(
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"foo/bar;q=0.9, */*;q=0.8, text/html=0.8, "
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"text/plain, application/xhtml+xml"
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),
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),
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)
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def test_accept_ordering(raw):
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"""Should sort by q but also be stable."""
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accept = headers.parse_accept(raw)
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assert accept[0].type == "text"
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raw1 = ", ".join(str(a) for a in accept)
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accept = headers.parse_accept(raw1)
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raw2 = ", ".join(str(a) for a in accept)
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assert raw1 == raw2
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def test_not_accept_wildcard():
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accept = headers.parse_accept("*/*, foo/*, */bar, foo/bar;q=0.1")
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assert not accept.match(
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"text/html", "foo/foo", "bar/bar", accept_wildcards=False
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)
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# Should ignore wildcards in accept but still matches them from mimes
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m = accept.match("text/plain", "*/*", accept_wildcards=False)
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assert m.mime == "*/*"
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assert m.match("*/*")
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assert m.header == "foo/bar"
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assert not accept.match(
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"text/html", "foo/foo", "bar/bar", accept_wildcards=False
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)
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def test_accept_misc():
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header = (
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"foo/bar;q=0.0, */plain;param=123, text/plain, text/*, foo/bar;q=0.5"
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)
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a = headers.parse_accept(header)
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assert repr(a) == (
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"[*/plain;param=123, text/plain, text/*, "
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"foo/bar;q=0.5, foo/bar;q=0.0]"
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) # noqa: E501
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assert str(a) == (
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"*/plain;param=123, text/plain, text/*, "
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"foo/bar;q=0.5, foo/bar;q=0.0"
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) # noqa: E501
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# q=1 types don't match foo/bar but match the two others,
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# text/* comes first and matches */plain because it
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# comes first in the header
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m = a.match("foo/bar", "text/*", "text/plain")
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assert repr(m) == "<text/* matched */plain;param=123>"
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assert m == "text/*"
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assert m.mime == "text/*"
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assert m.header.mime == "*/plain"
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assert m.header.type == "*"
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assert m.header.subtype == "plain"
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assert m.header.q == 1.0
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assert m.header.params == dict(param="123")
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# Matches object against another Matched object (by mime and header)
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assert m == a.match("text/*")
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# Against unsupported type falls back to object id matching
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assert m != 123
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# Matches the highest q value
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m = a.match("foo/bar")
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assert repr(m) == "<foo/bar matched foo/bar;q=0.5>"
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assert m == "foo/bar"
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assert m == "foo/bar;q=0.5"
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# Matching nothing special case
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m = a.match()
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assert m == ""
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assert m.header is None
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# No header means anything
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a = headers.parse_accept(None)
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assert a == ["*/*"]
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assert a.match("foo/bar")
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# Empty header means nothing
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a = headers.parse_accept("")
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assert a == []
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assert not a.match("foo/bar")
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