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Name	Size	Permission
contrib	[ DIR ]	drwxr-xr-x
with_dummyserver	[ DIR ]	drwxr-xr-x
__init__.py	10.11 KB	-rw-r--r--
conftest.py	12.06 KB	-rw-r--r--
port_helpers.py	6.08 KB	-rw-r--r--
test_collections.py	13.97 KB	-rw-r--r--
test_compatibility.py	692 B	-rw-r--r--
test_connection.py	12.46 KB	-rw-r--r--
test_connectionpool.py	22.24 KB	-rw-r--r--
test_exceptions.py	2.11 KB	-rw-r--r--
test_fields.py	4.33 KB	-rw-r--r--
test_filepost.py	3.66 KB	-rw-r--r--
test_no_ssl.py	978 B	-rw-r--r--
test_poolmanager.py	18.36 KB	-rw-r--r--
test_proxymanager.py	3.57 KB	-rw-r--r--
test_queue_monkeypatch.py	761 B	-rw-r--r--
test_response.py	56.37 KB	-rw-r--r--
test_retry.py	16.32 KB	-rw-r--r--
test_ssl.py	7.63 KB	-rw-r--r--
test_ssltransport.py	20.63 KB	-rw-r--r--
test_util.py	42.74 KB	-rw-r--r--
test_wait.py	5.86 KB	-rw-r--r--
tz_stub.py	1.16 KB	-rw-r--r--

Code Editor : test_util.py

from __future__ import annotations

import io
import logging
import socket
import ssl
import sys
import typing
import warnings
from itertools import chain
from test import ImportBlocker, ModuleStash, notBrotli, notZstd, onlyBrotli, onlyZstd
from unittest import mock
from unittest.mock import MagicMock, Mock, patch
from urllib.parse import urlparse

import pytest

from urllib3 import add_stderr_logger, disable_warnings
from urllib3.connection import ProxyConfig
from urllib3.exceptions import (
    InsecureRequestWarning,
    LocationParseError,
    TimeoutStateError,
    UnrewindableBodyError,
)
from urllib3.util import is_fp_closed
from urllib3.util.connection import _has_ipv6, allowed_gai_family, create_connection
from urllib3.util.proxy import connection_requires_http_tunnel
from urllib3.util.request import _FAILEDTELL, make_headers, rewind_body
from urllib3.util.response import assert_header_parsing
from urllib3.util.ssl_ import (
    _TYPE_VERSION_INFO,
    _is_has_never_check_common_name_reliable,
    resolve_cert_reqs,
    resolve_ssl_version,
    ssl_wrap_socket,
)
from urllib3.util.timeout import _DEFAULT_TIMEOUT, Timeout
from urllib3.util.url import Url, _encode_invalid_chars, parse_url
from urllib3.util.util import to_bytes, to_str

from . import clear_warnings

# 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:
    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),
        ),
        # Scoped IPv6 (with ZoneID), both RFC 6874 compliant and not.
        ("http://[a::b%25zone]", ("http", "[a::b%zone]", None)),
        ("http://[a::b%zone]", ("http", "[a::b%zone]", None)),
        # Hosts
        ("HTTP://GOOGLE.COM/mail/", ("http", "google.com", None)),
        ("GOogle.COM/mail", ("http", "google.com", None)),
        ("HTTP://GoOgLe.CoM:8000/mail/", ("http", "google.com", 8000)),
        ("HTTP://user:password@EXAMPLE.COM:1234", ("http", "example.com", 1234)),
        ("173.194.35.7", ("http", "173.194.35.7", None)),
        ("HTTP://173.194.35.7", ("http", "173.194.35.7", None)),
        (
            "HTTP://[2a00:1450:4001:c01::67]:80/test",
            ("http", "[2a00:1450:4001:c01::67]", 80),
        ),
        (
            "HTTP://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:8000/index.html",
            ("http", "[fedc:ba98:7654:3210:fedc:ba98:7654:3210]", 8000),
        ),
        (
            "HTTPS://[1080:0:0:0:8:800:200c:417A]/index.html",
            ("https", "[1080:0:0:0:8:800:200c:417a]", None),
        ),
        ("abOut://eXamPlE.com?info=1", ("about", "eXamPlE.com", None)),
        (
            "http+UNIX://%2fvar%2frun%2fSOCKET/path",
            ("http+unix", "%2fvar%2frun%2fSOCKET", None),
        ),
    ]

@pytest.mark.parametrize(["url", "scheme_host_port"], url_host_map)
    def test_scheme_host_port(
        self, url: str, scheme_host_port: tuple[str, str, int | None]
    ) -> None:
        parsed_url = parse_url(url)
        scheme, host, port = scheme_host_port

assert (parsed_url.scheme or "http") == scheme
        assert parsed_url.hostname == parsed_url.host == host
        assert parsed_url.port == port

def test_encode_invalid_chars_none(self) -> None:
        assert _encode_invalid_chars(None, set()) is None

@pytest.mark.parametrize(
        "url",
        [
            "http://google.com:foo",
            "http://::1/",
            "http://::1:80/",
            "http://google.com:-80",
            "http://google.com:65536",
            "http://google.com:\xb2\xb2",  # \xb2 = ^2
            # Invalid IDNA labels
            "http://\uD7FF.com",
            "http://❤️",
            # Unicode surrogates
            "http://\uD800.com",
            "http://\uDC00.com",
        ],
    )
    def test_invalid_url(self, url: str) -> None:
        with pytest.raises(LocationParseError):
            parse_url(url)

@pytest.mark.parametrize(
        "url, expected_normalized_url",
        [
            ("HTTP://GOOGLE.COM/MAIL/", "http://google.com/MAIL/"),
            (
                "http://user@domain.com:password@example.com/~tilde@?@",
                "http://user%40domain.com:password@example.com/~tilde@?@",
            ),
            (
                "HTTP://JeremyCline:Hunter2@Example.com:8080/",
                "http://JeremyCline:Hunter2@example.com:8080/",
            ),
            ("HTTPS://Example.Com/?Key=Value", "https://example.com/?Key=Value"),
            ("Https://Example.Com/#Fragment", "https://example.com/#Fragment"),
            # IPv6 addresses with zone IDs. Both RFC 6874 (%25) as well as
            # non-standard (unquoted %) variants.
            ("[::1%zone]", "[::1%zone]"),
            ("[::1%25zone]", "[::1%zone]"),
            ("[::1%25]", "[::1%25]"),
            ("[::Ff%etH0%Ff]/%ab%Af", "[::ff%etH0%FF]/%AB%AF"),
            (
                "http://user:pass@[AaAa::Ff%25etH0%Ff]/%ab%Af",
                "http://user:pass@[aaaa::ff%etH0%FF]/%AB%AF",
            ),
            # Invalid characters for the query/fragment getting encoded
            (
                'http://google.com/p[]?parameter[]="hello"#fragment#',
                "http://google.com/p%5B%5D?parameter%5B%5D=%22hello%22#fragment%23",
            ),
            # Percent encoding isn't applied twice despite '%' being invalid
            # but the percent encoding is still normalized.
            (
                "http://google.com/p%5B%5d?parameter%5b%5D=%22hello%22#fragment%23",
                "http://google.com/p%5B%5D?parameter%5B%5D=%22hello%22#fragment%23",
            ),
        ],
    )
    def test_parse_url_normalization(
        self, url: str, expected_normalized_url: str
    ) -> None:
        """Assert parse_url normalizes the scheme/host, and only the scheme/host"""
        actual_normalized_url = parse_url(url).url
        assert actual_normalized_url == expected_normalized_url

@pytest.mark.parametrize("char", [chr(i) for i in range(0x00, 0x21)] + ["\x7F"])
    def test_control_characters_are_percent_encoded(self, char: str) -> None:
        percent_char = "%" + (hex(ord(char))[2:].zfill(2).upper())
        url = parse_url(
            f"http://user{char}@example.com/path{char}?query{char}#fragment{char}"
        )

assert url == Url(
            "http",
            auth="user" + percent_char,
            host="example.com",
            path="/path" + percent_char,
            query="query" + percent_char,
            fragment="fragment" + percent_char,
        )

parse_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/")),
        ("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="/")),
        ("#?/!google.com/?foo", Url(path="", fragment="?/!google.com/?foo")),
        ("/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"),
        ),
        (
            "/redirect?target=http://localhost:61020/",
            Url(path="redirect", query="target=http://localhost:61020/"),
        ),
        # 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:80", Url("http", host="google.com", port=80)),
        # 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@localhost/",
            Url("http", auth="foo:bar", host="localhost", path="/"),
        ),
    ]

non_round_tripping_parse_url_host_map = [
        # Path/query/fragment
        ("?", Url(path="", query="")),
        ("#", Url(path="", fragment="")),
        # Path normalization
        ("/abc/../def", Url(path="/def")),
        # Empty Port
        ("http://google.com:", Url("http", host="google.com")),
        ("http://google.com:/", Url("http", host="google.com", path="/")),
        # Uppercase IRI
        (
            "http://Königsgäßchen.de/straße",
            Url("http", host="xn--knigsgchen-b4a3dun.de", path="/stra%C3%9Fe"),
        ),
        # Percent-encode in userinfo
        (
            "http://user@email.com:password@example.com/",
            Url("http", auth="user%40email.com:password", host="example.com", path="/"),
        ),
        (
            'http://user":quoted@example.com/',
            Url("http", auth="user%22:quoted", host="example.com", path="/"),
        ),
        # Unicode Surrogates
        ("http://google.com/\uD800", Url("http", host="google.com", path="%ED%A0%80")),
        (
            "http://google.com?q=\uDC00",
            Url("http", host="google.com", path="", query="q=%ED%B0%80"),
        ),
        (
            "http://google.com#\uDC00",
            Url("http", host="google.com", path="", fragment="%ED%B0%80"),
        ),
    ]

@pytest.mark.parametrize(
        "url, expected_url",
        chain(parse_url_host_map, non_round_tripping_parse_url_host_map),
    )
    def test_parse_url(self, url: str, expected_url: Url) -> None:
        returned_url = parse_url(url)
        assert returned_url == expected_url
        assert returned_url.hostname == returned_url.host == expected_url.host

@pytest.mark.parametrize("url, expected_url", parse_url_host_map)
    def test_unparse_url(self, url: str, expected_url: Url) -> None:
        assert url == expected_url.url

@pytest.mark.parametrize(
        ["url", "expected_url"],
        [
            # RFC 3986 5.2.4
            ("/abc/../def", Url(path="/def")),
            ("/..", Url(path="/")),
            ("/./abc/./def/", Url(path="/abc/def/")),
            ("/.", Url(path="/")),
            ("/./", Url(path="/")),
            ("/abc/./.././d/././e/.././f/./../../ghi", Url(path="/ghi")),
        ],
    )
    def test_parse_and_normalize_url_paths(self, url: str, expected_url: Url) -> None:
        actual_url = parse_url(url)
        assert actual_url == expected_url
        assert actual_url.url == expected_url.url

def test_parse_url_invalid_IPv6(self) -> None:
        with pytest.raises(LocationParseError):
            parse_url("[::1")

def test_parse_url_negative_port(self) -> None:
        with pytest.raises(LocationParseError):
            parse_url("https://www.google.com:-80/")

def test_parse_url_remove_leading_zeros(self) -> None:
        url = parse_url("https://example.com:0000000000080")
        assert url.port == 80

def test_parse_url_only_zeros(self) -> None:
        url = parse_url("https://example.com:0")
        assert url.port == 0

url = parse_url("https://example.com:000000000000")
        assert url.port == 0

def test_Url_str(self) -> None:
        U = Url("http", host="google.com")
        assert str(U) == U.url

request_uri_map = [
        ("http://google.com/mail", "/mail"),
        ("http://google.com/mail/", "/mail/"),
        ("http://google.com/", "/"),
        ("http://google.com", "/"),
        ("", "/"),
        ("/", "/"),
        ("?", "/?"),
        ("#", "/"),
        ("/foo?bar=baz", "/foo?bar=baz"),
    ]

@pytest.mark.parametrize("url, expected_request_uri", request_uri_map)
    def test_request_uri(self, url: str, expected_request_uri: str) -> None:
        returned_url = parse_url(url)
        assert returned_url.request_uri == expected_request_uri

url_authority_map: list[tuple[str, str | None]] = [
        ("http://user:pass@google.com/mail", "user:pass@google.com"),
        ("http://user:pass@google.com:80/mail", "user:pass@google.com:80"),
        ("http://user@google.com:80/mail", "user@google.com:80"),
        ("http://user:pass@192.168.1.1/path", "user:pass@192.168.1.1"),
        ("http://user:pass@192.168.1.1:80/path", "user:pass@192.168.1.1:80"),
        ("http://user@192.168.1.1:80/path", "user@192.168.1.1:80"),
        ("http://user:pass@[::1]/path", "user:pass@[::1]"),
        ("http://user:pass@[::1]:80/path", "user:pass@[::1]:80"),
        ("http://user@[::1]:80/path", "user@[::1]:80"),
        ("http://user:pass@localhost/path", "user:pass@localhost"),
        ("http://user:pass@localhost:80/path", "user:pass@localhost:80"),
        ("http://user@localhost:80/path", "user@localhost:80"),
    ]

url_netloc_map = [
        ("http://google.com/mail", "google.com"),
        ("http://google.com:80/mail", "google.com:80"),
        ("http://192.168.0.1/path", "192.168.0.1"),
        ("http://192.168.0.1:80/path", "192.168.0.1:80"),
        ("http://[::1]/path", "[::1]"),
        ("http://[::1]:80/path", "[::1]:80"),
        ("http://localhost", "localhost"),
        ("http://localhost:80", "localhost:80"),
        ("google.com/foobar", "google.com"),
        ("google.com:12345", "google.com:12345"),
        ("/", None),
    ]

combined_netloc_authority_map = url_authority_map + url_netloc_map

# We compose this list due to variances between parse_url
    # and urlparse when URIs don't provide a scheme.
    url_authority_with_schemes_map = [
        u for u in combined_netloc_authority_map if u[0].startswith("http")
    ]

@pytest.mark.parametrize("url, expected_authority", combined_netloc_authority_map)
    def test_authority(self, url: str, expected_authority: str | None) -> None:
        assert parse_url(url).authority == expected_authority

@pytest.mark.parametrize("url, expected_authority", url_authority_with_schemes_map)
    def test_authority_matches_urllib_netloc(
        self, url: str, expected_authority: str | None
    ) -> None:
        """Validate this matches the behavior of urlparse().netloc"""
        assert urlparse(url).netloc == expected_authority

@pytest.mark.parametrize("url, expected_netloc", url_netloc_map)
    def test_netloc(self, url: str, expected_netloc: str | None) -> None:
        assert parse_url(url).netloc == expected_netloc

url_vulnerabilities = [
        # urlparse doesn't follow RFC 3986 Section 3.2
        (
            "http://google.com#@evil.com/",
            Url("http", host="google.com", path="", fragment="@evil.com/"),
        ),
        # CVE-2016-5699
        (
            "http://127.0.0.1%0d%0aConnection%3a%20keep-alive",
            Url("http", host="127.0.0.1%0d%0aconnection%3a%20keep-alive"),
        ),
        # NodeJS unicode -> double dot
        (
            "http://google.com/\uff2e\uff2e/abc",
            Url("http", host="google.com", path="/%EF%BC%AE%EF%BC%AE/abc"),
        ),
        # Scheme without ://
        (
            "javascript:a='@google.com:12345/';alert(0)",
            Url(scheme="javascript", path="a='@google.com:12345/';alert(0)"),
        ),
        ("//google.com/a/b/c", Url(host="google.com", path="/a/b/c")),
        # International URLs
        (
            "http://ヒ:キ@ヒ.abc.ニ/ヒ?キ#ワ",
            Url(
                "http",
                host="xn--pdk.abc.xn--idk",
                auth="%E3%83%92:%E3%82%AD",
                path="/%E3%83%92",
                query="%E3%82%AD",
                fragment="%E3%83%AF",
            ),
        ),
        # Injected headers (CVE-2016-5699, CVE-2019-9740, CVE-2019-9947)
        (
            "10.251.0.83:7777?a=1 HTTP/1.1\r\nX-injected: header",
            Url(
                host="10.251.0.83",
                port=7777,
                path="",
                query="a=1%20HTTP/1.1%0D%0AX-injected:%20header",
            ),
        ),
        (
            "http://127.0.0.1:6379?\r\nSET test failure12\r\n:8080/test/?test=a",
            Url(
                scheme="http",
                host="127.0.0.1",
                port=6379,
                path="",
                query="%0D%0ASET%20test%20failure12%0D%0A:8080/test/?test=a",
            ),
        ),
        # See https://bugs.xdavidhu.me/google/2020/03/08/the-unexpected-google-wide-domain-check-bypass/
        (
            "https://user:pass@xdavidhu.me\\test.corp.google.com:8080/path/to/something?param=value#hash",
            Url(
                scheme="https",
                auth="user:pass",
                host="xdavidhu.me",
                path="/%5Ctest.corp.google.com:8080/path/to/something",
                query="param=value",
                fragment="hash",
            ),
        ),
        # Tons of '@' causing backtracking
        pytest.param(
            "https://" + ("@" * 10000) + "[",
            False,
            id="Tons of '@' causing backtracking 1",
        ),
        pytest.param(
            "https://user:" + ("@" * 10000) + "example.com",
            Url(
                scheme="https",
                auth="user:" + ("%40" * 9999),
                host="example.com",
            ),
            id="Tons of '@' causing backtracking 2",
        ),
    ]

@pytest.mark.parametrize("url, expected_url", url_vulnerabilities)
    def test_url_vulnerabilities(
        self, url: str, expected_url: typing.Literal[False] | Url
    ) -> None:
        if expected_url is False:
            with pytest.raises(LocationParseError):
                parse_url(url)
        else:
            assert parse_url(url) == expected_url

def test_parse_url_bytes_type_error(self) -> None:
        with pytest.raises(TypeError):
            parse_url(b"https://www.google.com/")  # type: ignore[arg-type]

@pytest.mark.parametrize(
        "kwargs, expected",
        [
            pytest.param(
                {"accept_encoding": True},
                {"accept-encoding": "gzip,deflate,br,zstd"},
                marks=[onlyBrotli(), onlyZstd()],  # type: ignore[list-item]
            ),
            pytest.param(
                {"accept_encoding": True},
                {"accept-encoding": "gzip,deflate,br"},
                marks=[onlyBrotli(), notZstd()],  # type: ignore[list-item]
            ),
            pytest.param(
                {"accept_encoding": True},
                {"accept-encoding": "gzip,deflate,zstd"},
                marks=[notBrotli(), onlyZstd()],  # type: ignore[list-item]
            ),
            pytest.param(
                {"accept_encoding": True},
                {"accept-encoding": "gzip,deflate"},
                marks=[notBrotli(), notZstd()],  # type: ignore[list-item]
            ),
            ({"accept_encoding": "foo,bar"}, {"accept-encoding": "foo,bar"}),
            ({"accept_encoding": ["foo", "bar"]}, {"accept-encoding": "foo,bar"}),
            pytest.param(
                {"accept_encoding": True, "user_agent": "banana"},
                {"accept-encoding": "gzip,deflate,br,zstd", "user-agent": "banana"},
                marks=[onlyBrotli(), onlyZstd()],  # type: ignore[list-item]
            ),
            pytest.param(
                {"accept_encoding": True, "user_agent": "banana"},
                {"accept-encoding": "gzip,deflate,br", "user-agent": "banana"},
                marks=[onlyBrotli(), notZstd()],  # type: ignore[list-item]
            ),
            pytest.param(
                {"accept_encoding": True, "user_agent": "banana"},
                {"accept-encoding": "gzip,deflate,zstd", "user-agent": "banana"},
                marks=[notBrotli(), onlyZstd()],  # type: ignore[list-item]
            ),
            pytest.param(
                {"accept_encoding": True, "user_agent": "banana"},
                {"accept-encoding": "gzip,deflate", "user-agent": "banana"},
                marks=[notBrotli(), notZstd()],  # type: ignore[list-item]
            ),
            ({"user_agent": "banana"}, {"user-agent": "banana"}),
            ({"keep_alive": True}, {"connection": "keep-alive"}),
            ({"basic_auth": "foo:bar"}, {"authorization": "Basic Zm9vOmJhcg=="}),
            (
                {"proxy_basic_auth": "foo:bar"},
                {"proxy-authorization": "Basic Zm9vOmJhcg=="},
            ),
            ({"disable_cache": True}, {"cache-control": "no-cache"}),
        ],
    )
    def test_make_headers(
        self, kwargs: dict[str, bool | str], expected: dict[str, str]
    ) -> None:
        assert make_headers(**kwargs) == expected  # type: ignore[arg-type]

def test_rewind_body(self) -> None:
        body = io.BytesIO(b"test data")
        assert body.read() == b"test data"

# Assert the file object has been consumed
        assert body.read() == b""

# Rewind it back to just be b'data'
        rewind_body(body, 5)
        assert body.read() == b"data"

def test_rewind_body_failed_tell(self) -> None:
        body = io.BytesIO(b"test data")
        body.read()  # Consume body

# Simulate failed tell()
        body_pos = _FAILEDTELL
        with pytest.raises(UnrewindableBodyError):
            rewind_body(body, body_pos)

def test_rewind_body_bad_position(self) -> None:
        body = io.BytesIO(b"test data")
        body.read()  # Consume body

# Pass non-integer position
        with pytest.raises(ValueError):
            rewind_body(body, body_pos=None)  # type: ignore[arg-type]
        with pytest.raises(ValueError):
            rewind_body(body, body_pos=object())  # type: ignore[arg-type]

def test_rewind_body_failed_seek(self) -> None:
        class BadSeek(io.StringIO):
            def seek(self, offset: int, whence: int = 0) -> typing.NoReturn:
                raise OSError

with pytest.raises(UnrewindableBodyError):
            rewind_body(BadSeek(), body_pos=2)

def test_add_stderr_logger(self) -> None:
        handler = add_stderr_logger(level=logging.INFO)  # Don't actually print debug
        logger = logging.getLogger("urllib3")
        assert handler in logger.handlers

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

def test_disable_warnings(self) -> None:
        with warnings.catch_warnings(record=True) as w:
            clear_warnings()
            warnings.simplefilter("default", InsecureRequestWarning)
            warnings.warn("This is a test.", InsecureRequestWarning)
            assert len(w) == 1
            disable_warnings()
            warnings.warn("This is a test.", InsecureRequestWarning)
            assert len(w) == 1

def _make_time_pass(
        self, seconds: int, timeout: Timeout, time_mock: Mock
    ) -> Timeout:
        """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

@pytest.mark.parametrize(
        "kwargs, message",
        [
            ({"total": -1}, "less than"),
            ({"connect": 2, "total": -1}, "less than"),
            ({"read": -1}, "less than"),
            ({"connect": False}, "cannot be a boolean"),
            ({"read": True}, "cannot be a boolean"),
            ({"connect": 0}, "less than or equal"),
            ({"read": "foo"}, "int, float or None"),
            ({"read": "1.0"}, "int, float or None"),
        ],
    )
    def test_invalid_timeouts(
        self, kwargs: dict[str, int | bool], message: str
    ) -> None:
        with pytest.raises(ValueError, match=message):
            Timeout(**kwargs)

@patch("time.monotonic")
    def test_timeout(self, time_monotonic: MagicMock) -> None:
        timeout = Timeout(total=3)

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

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

timeout = Timeout()
        assert timeout.connect_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=time_monotonic
        )
        assert 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=time_monotonic
        )
        assert timeout.read_timeout == 7

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

timeout = Timeout(total=None, read=None, connect=None)
        assert timeout.connect_timeout is None
        assert timeout.read_timeout is None
        assert timeout.total is None

timeout = Timeout(5)
        assert timeout.total == 5

def test_timeout_default_resolve(self) -> None:
        """The timeout default is resolved when read_timeout is accessed."""
        timeout = Timeout()
        with patch("urllib3.util.timeout.getdefaulttimeout", return_value=2):
            assert timeout.read_timeout == 2

with patch("urllib3.util.timeout.getdefaulttimeout", return_value=3):
            assert timeout.read_timeout == 3

def test_timeout_str(self) -> None:
        timeout = Timeout(connect=1, read=2, total=3)
        assert str(timeout) == "Timeout(connect=1, read=2, total=3)"
        timeout = Timeout(connect=1, read=None, total=3)
        assert str(timeout) == "Timeout(connect=1, read=None, total=3)"

@patch("time.monotonic")
    def test_timeout_elapsed(self, time_monotonic: MagicMock) -> None:
        time_monotonic.return_value = TIMEOUT_EPOCH
        timeout = Timeout(total=3)
        with pytest.raises(TimeoutStateError):
            timeout.get_connect_duration()

timeout.start_connect()
        with pytest.raises(TimeoutStateError):
            timeout.start_connect()

time_monotonic.return_value = TIMEOUT_EPOCH + 2
        assert timeout.get_connect_duration() == 2
        time_monotonic.return_value = TIMEOUT_EPOCH + 37
        assert timeout.get_connect_duration() == 37

def test_is_fp_closed_object_supports_closed(self) -> None:
        class ClosedFile:
            @property
            def closed(self) -> typing.Literal[True]:
                return True

assert is_fp_closed(ClosedFile())

def test_is_fp_closed_object_has_none_fp(self) -> None:
        class NoneFpFile:
            @property
            def fp(self) -> None:
                return None

assert is_fp_closed(NoneFpFile())

def test_is_fp_closed_object_has_fp(self) -> None:
        class FpFile:
            @property
            def fp(self) -> typing.Literal[True]:
                return True

assert not is_fp_closed(FpFile())

def test_is_fp_closed_object_has_neither_fp_nor_closed(self) -> None:
        class NotReallyAFile:
            pass

with pytest.raises(ValueError):
            is_fp_closed(NotReallyAFile())

def test_has_ipv6_disabled_on_compile(self) -> None:
        with patch("socket.has_ipv6", False):
            assert not _has_ipv6("::1")

def test_has_ipv6_enabled_but_fails(self) -> None:
        with patch("socket.has_ipv6", True):
            with patch("socket.socket") as mock:
                instance = mock.return_value
                instance.bind = Mock(side_effect=Exception("No IPv6 here!"))
                assert not _has_ipv6("::1")

def test_has_ipv6_enabled_and_working(self) -> None:
        with patch("socket.has_ipv6", True):
            with patch("socket.socket") as mock:
                instance = mock.return_value
                instance.bind.return_value = True
                assert _has_ipv6("::1")

def test_ip_family_ipv6_enabled(self) -> None:
        with patch("urllib3.util.connection.HAS_IPV6", True):
            assert allowed_gai_family() == socket.AF_UNSPEC

def test_ip_family_ipv6_disabled(self) -> None:
        with patch("urllib3.util.connection.HAS_IPV6", False):
            assert allowed_gai_family() == socket.AF_INET

@pytest.mark.parametrize("headers", [b"foo", None, object])
    def test_assert_header_parsing_throws_typeerror_with_non_headers(
        self, headers: bytes | object | None
    ) -> None:
        with pytest.raises(TypeError):
            assert_header_parsing(headers)  # type: ignore[arg-type]

def test_connection_requires_http_tunnel_no_proxy(self) -> None:
        assert not connection_requires_http_tunnel(
            proxy_url=None, proxy_config=None, destination_scheme=None
        )

def test_connection_requires_http_tunnel_http_proxy(self) -> None:
        proxy = parse_url("http://proxy:8080")
        proxy_config = ProxyConfig(
            ssl_context=None,
            use_forwarding_for_https=False,
            assert_hostname=None,
            assert_fingerprint=None,
        )
        destination_scheme = "http"
        assert not connection_requires_http_tunnel(
            proxy, proxy_config, destination_scheme
        )

destination_scheme = "https"
        assert connection_requires_http_tunnel(proxy, proxy_config, destination_scheme)

def test_connection_requires_http_tunnel_https_proxy(self) -> None:
        proxy = parse_url("https://proxy:8443")
        proxy_config = ProxyConfig(
            ssl_context=None,
            use_forwarding_for_https=False,
            assert_hostname=None,
            assert_fingerprint=None,
        )
        destination_scheme = "http"
        assert not connection_requires_http_tunnel(
            proxy, proxy_config, destination_scheme
        )

def test_assert_header_parsing_no_error_on_multipart(self) -> None:
        from http import client

header_msg = io.BytesIO()
        header_msg.write(
            b'Content-Type: multipart/encrypted;protocol="application/'
            b'HTTP-SPNEGO-session-encrypted";boundary="Encrypted Boundary"'
            b"\nServer: Microsoft-HTTPAPI/2.0\nDate: Fri, 16 Aug 2019 19:28:01 GMT"
            b"\nContent-Length: 1895\n\n\n"
        )
        header_msg.seek(0)
        assert_header_parsing(client.parse_headers(header_msg))

@pytest.mark.parametrize("host", [".localhost", "...", "t" * 64])
    def test_create_connection_with_invalid_idna_labels(self, host: str) -> None:
        with pytest.raises(
            LocationParseError,
            match=f"Failed to parse: '{host}', label empty or too long",
        ):
            create_connection((host, 80))

@pytest.mark.parametrize(
        "host",
        [
            "a.example.com",
            "localhost.",
            "[dead::beef]",
            "[dead::beef%en5]",
            "[dead::beef%en5.]",
        ],
    )
    @patch("socket.getaddrinfo")
    @patch("socket.socket")
    def test_create_connection_with_valid_idna_labels(
        self, socket: MagicMock, getaddrinfo: MagicMock, host: str
    ) -> None:
        getaddrinfo.return_value = [(None, None, None, None, None)]
        socket.return_value = Mock()
        create_connection((host, 80))

@patch("socket.getaddrinfo")
    def test_create_connection_error(self, getaddrinfo: MagicMock) -> None:
        getaddrinfo.return_value = []
        with pytest.raises(OSError, match="getaddrinfo returns an empty list"):
            create_connection(("example.com", 80))

@patch("socket.getaddrinfo")
    def test_dnsresolver_forced_error(self, getaddrinfo: MagicMock) -> None:
        getaddrinfo.side_effect = socket.gaierror()
        with pytest.raises(socket.gaierror):
            # dns is valid but we force the error just for the sake of the test
            create_connection(("example.com", 80))

def test_dnsresolver_expected_error(self) -> None:
        with pytest.raises(socket.gaierror):
            # windows: [Errno 11001] getaddrinfo failed in windows
            # linux: [Errno -2] Name or service not known
            # macos: [Errno 8] nodename nor servname provided, or not known
            create_connection(("badhost.invalid", 80))

@patch("socket.getaddrinfo")
    @patch("socket.socket")
    def test_create_connection_with_scoped_ipv6(
        self, socket: MagicMock, getaddrinfo: MagicMock
    ) -> None:
        # Check that providing create_connection with a scoped IPv6 address
        # properly propagates the scope to getaddrinfo, and that the returned
        # scoped ID makes it to the socket creation call.
        fake_scoped_sa6 = ("a::b", 80, 0, 42)
        getaddrinfo.return_value = [
            (
                socket.AF_INET6,
                socket.SOCK_STREAM,
                socket.IPPROTO_TCP,
                "",
                fake_scoped_sa6,
            )
        ]
        socket.return_value = fake_sock = MagicMock()

create_connection(("a::b%iface", 80))
        assert getaddrinfo.call_args[0][0] == "a::b%iface"
        fake_sock.connect.assert_called_once_with(fake_scoped_sa6)

@pytest.mark.parametrize(
        "input,params,expected",
        (
            ("test", {}, "test"),  # str input
            (b"test", {}, "test"),  # bytes input
            (b"test", {"encoding": "utf-8"}, "test"),  # bytes input with utf-8
            (b"test", {"encoding": "ascii"}, "test"),  # bytes input with ascii
        ),
    )
    def test_to_str(
        self, input: bytes | str, params: dict[str, str], expected: str
    ) -> None:
        assert to_str(input, **params) == expected

def test_to_str_error(self) -> None:
        with pytest.raises(TypeError, match="not expecting type int"):
            to_str(1)  # type: ignore[arg-type]

@pytest.mark.parametrize(
        "input,params,expected",
        (
            (b"test", {}, b"test"),  # str input
            ("test", {}, b"test"),  # bytes input
            ("é", {}, b"\xc3\xa9"),  # bytes input
            ("test", {"encoding": "utf-8"}, b"test"),  # bytes input with utf-8
            ("test", {"encoding": "ascii"}, b"test"),  # bytes input with ascii
        ),
    )
    def test_to_bytes(
        self, input: bytes | str, params: dict[str, str], expected: bytes
    ) -> None:
        assert to_bytes(input, **params) == expected

def test_to_bytes_error(self) -> None:
        with pytest.raises(TypeError, match="not expecting type int"):
            to_bytes(1)  # type: ignore[arg-type]

class TestUtilSSL:
    """Test utils that use an SSL backend."""

@pytest.mark.parametrize(
        "candidate, requirements",
        [
            (None, ssl.CERT_REQUIRED),
            (ssl.CERT_NONE, ssl.CERT_NONE),
            (ssl.CERT_REQUIRED, ssl.CERT_REQUIRED),
            ("REQUIRED", ssl.CERT_REQUIRED),
            ("CERT_REQUIRED", ssl.CERT_REQUIRED),
        ],
    )
    def test_resolve_cert_reqs(
        self, candidate: int | str | None, requirements: int
    ) -> None:
        assert resolve_cert_reqs(candidate) == requirements

@pytest.mark.parametrize(
        "candidate, version",
        [
            (ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1),
            ("PROTOCOL_TLSv1", ssl.PROTOCOL_TLSv1),
            ("TLSv1", ssl.PROTOCOL_TLSv1),
            (ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23),
        ],
    )
    def test_resolve_ssl_version(self, candidate: int | str, version: int) -> None:
        assert resolve_ssl_version(candidate) == version

def test_ssl_wrap_socket_loads_the_cert_chain(self) -> None:
        socket = Mock()
        mock_context = Mock()
        ssl_wrap_socket(
            ssl_context=mock_context, sock=socket, certfile="/path/to/certfile"
        )

mock_context.load_cert_chain.assert_called_once_with("/path/to/certfile", None)

@patch("urllib3.util.ssl_.create_urllib3_context")
    def test_ssl_wrap_socket_creates_new_context(
        self, create_urllib3_context: mock.MagicMock
    ) -> None:
        socket = Mock()
        ssl_wrap_socket(socket, cert_reqs=ssl.CERT_REQUIRED)

create_urllib3_context.assert_called_once_with(None, 2, ciphers=None)

def test_ssl_wrap_socket_loads_verify_locations(self) -> None:
        socket = Mock()
        mock_context = Mock()
        ssl_wrap_socket(ssl_context=mock_context, ca_certs="/path/to/pem", sock=socket)
        mock_context.load_verify_locations.assert_called_once_with(
            "/path/to/pem", None, None
        )

def test_ssl_wrap_socket_loads_certificate_directories(self) -> None:
        socket = Mock()
        mock_context = Mock()
        ssl_wrap_socket(
            ssl_context=mock_context, ca_cert_dir="/path/to/pems", sock=socket
        )
        mock_context.load_verify_locations.assert_called_once_with(
            None, "/path/to/pems", None
        )

def test_ssl_wrap_socket_loads_certificate_data(self) -> None:
        socket = Mock()
        mock_context = Mock()
        ssl_wrap_socket(
            ssl_context=mock_context, ca_cert_data="TOTALLY PEM DATA", sock=socket
        )
        mock_context.load_verify_locations.assert_called_once_with(
            None, None, "TOTALLY PEM DATA"
        )

def _wrap_socket_and_mock_warn(
        self, sock: socket.socket, server_hostname: str | None
    ) -> tuple[Mock, MagicMock]:
        mock_context = Mock()
        with patch("warnings.warn") as warn:
            ssl_wrap_socket(
                ssl_context=mock_context,
                sock=sock,
                server_hostname=server_hostname,
            )
        return mock_context, warn

def test_ssl_wrap_socket_sni_ip_address_no_warn(self) -> None:
        """Test that a warning is not made if server_hostname is an IP address."""
        sock = Mock()
        context, warn = self._wrap_socket_and_mock_warn(sock, "8.8.8.8")
        context.wrap_socket.assert_called_once_with(sock, server_hostname="8.8.8.8")
        warn.assert_not_called()

def test_ssl_wrap_socket_sni_none_no_warn(self) -> None:
        """Test that a warning is not made if server_hostname is not given."""
        sock = Mock()
        context, warn = self._wrap_socket_and_mock_warn(sock, None)
        context.wrap_socket.assert_called_once_with(sock, server_hostname=None)
        warn.assert_not_called()

@pytest.mark.parametrize(
        "openssl_version, openssl_version_number, implementation_name, version_info, pypy_version_info, reliable",
        [
            # OpenSSL and Python OK -> reliable
            ("OpenSSL 1.1.1", 0x101010CF, "cpython", (3, 9, 3), None, True),
            # Python OK -> reliable
            ("OpenSSL 1.1.1", 0x10101000, "cpython", (3, 9, 3), None, True),
            # PyPy: depends on the version
            ("OpenSSL 1.1.1", 0x10101000, "pypy", (3, 9, 9), (7, 3, 7), False),
            ("OpenSSL 1.1.1", 0x101010CF, "pypy", (3, 8, 12), (7, 3, 8), True),
            # OpenSSL OK -> reliable
            ("OpenSSL 1.1.1", 0x101010CF, "cpython", (3, 9, 2), None, True),
            # not OpenSSSL -> unreliable
            ("LibreSSL 2.8.3", 0x101010CF, "cpython", (3, 10, 0), None, False),
            # old OpenSSL and old Python, unreliable
            ("OpenSSL 1.1.0", 0x10101000, "cpython", (3, 9, 2), None, False),
        ],
    )
    def test_is_has_never_check_common_name_reliable(
        self,
        openssl_version: str,
        openssl_version_number: int,
        implementation_name: str,
        version_info: _TYPE_VERSION_INFO,
        pypy_version_info: _TYPE_VERSION_INFO | None,
        reliable: bool,
    ) -> None:
        assert (
            _is_has_never_check_common_name_reliable(
                openssl_version,
                openssl_version_number,
                implementation_name,
                version_info,
                pypy_version_info,
            )
            == reliable
        )

idna_blocker = ImportBlocker("idna")
module_stash = ModuleStash("urllib3")

class TestUtilWithoutIdna:
    @classmethod
    def setup_class(cls) -> None:
        sys.modules.pop("idna", None)

module_stash.stash()
        sys.meta_path.insert(0, idna_blocker)

@classmethod
    def teardown_class(cls) -> None:
        sys.meta_path.remove(idna_blocker)
        module_stash.pop()

def test_parse_url_without_idna(self) -> None:
        url = "http://\uD7FF.com"
        with pytest.raises(LocationParseError, match=f"Failed to parse: {url}"):
            parse_url(url)

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Code Editor : test_util.py