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yt-dlp/test/test_networking.py
coletdjnz fcd6a76adc [tests] Add tests for socks proxies (#7908) 
Authored by: coletdjnz
2023-08-25 07:10:44 +00:00

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#!/usr/bin/env python3
# Allow direct execution
import os
import sys
import pytest
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import gzip
import http.client
import http.cookiejar
import http.server
import io
import pathlib
import random
import ssl
import tempfile
import threading
import time
import urllib.error
import urllib.request
import warnings
import zlib
from email.message import Message
from http.cookiejar import CookieJar
from test.helper import FakeYDL, http_server_port
from yt_dlp.cookies import YoutubeDLCookieJar
from yt_dlp.dependencies import brotli
from yt_dlp.networking import (
HEADRequest,
PUTRequest,
Request,
RequestDirector,
RequestHandler,
Response,
)
from yt_dlp.networking._urllib import UrllibRH
from yt_dlp.networking.exceptions import (
CertificateVerifyError,
HTTPError,
IncompleteRead,
NoSupportingHandlers,
RequestError,
SSLError,
TransportError,
UnsupportedRequest,
)
from yt_dlp.utils._utils import _YDLLogger as FakeLogger
from yt_dlp.utils.networking import HTTPHeaderDict
TEST_DIR = os.path.dirname(os.path.abspath(__file__))
def _build_proxy_handler(name):
class HTTPTestRequestHandler(http.server.BaseHTTPRequestHandler):
proxy_name = name
def log_message(self, format, *args):
pass
def do_GET(self):
self.send_response(200)
self.send_header('Content-Type', 'text/plain; charset=utf-8')
self.end_headers()
self.wfile.write('{self.proxy_name}: {self.path}'.format(self=self).encode())
return HTTPTestRequestHandler
class HTTPTestRequestHandler(http.server.BaseHTTPRequestHandler):
protocol_version = 'HTTP/1.1'
def log_message(self, format, *args):
pass
def _headers(self):
payload = str(self.headers).encode()
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
def _redirect(self):
self.send_response(int(self.path[len('/redirect_'):]))
self.send_header('Location', '/method')
self.send_header('Content-Length', '0')
self.end_headers()
def _method(self, method, payload=None):
self.send_response(200)
self.send_header('Content-Length', str(len(payload or '')))
self.send_header('Method', method)
self.end_headers()
if payload:
self.wfile.write(payload)
def _status(self, status):
payload = f'<html>{status} NOT FOUND</html>'.encode()
self.send_response(int(status))
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
def _read_data(self):
if 'Content-Length' in self.headers:
return self.rfile.read(int(self.headers['Content-Length']))
def do_POST(self):
data = self._read_data() + str(self.headers).encode()
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('POST', data)
elif self.path.startswith('/headers'):
self._headers()
else:
self._status(404)
def do_HEAD(self):
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('HEAD')
else:
self._status(404)
def do_PUT(self):
data = self._read_data() + str(self.headers).encode()
if self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('PUT', data)
else:
self._status(404)
def do_GET(self):
if self.path == '/video.html':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path == '/vid.mp4':
payload = b'\x00\x00\x00\x00\x20\x66\x74[video]'
self.send_response(200)
self.send_header('Content-Type', 'video/mp4')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path == '/%E4%B8%AD%E6%96%87.html':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path == '/%c7%9f':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path.startswith('/redirect_loop'):
self.send_response(301)
self.send_header('Location', self.path)
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path == '/redirect_dotsegments':
self.send_response(301)
# redirect to /headers but with dot segments before
self.send_header('Location', '/a/b/./../../headers')
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path.startswith('/redirect_'):
self._redirect()
elif self.path.startswith('/method'):
self._method('GET', str(self.headers).encode())
elif self.path.startswith('/headers'):
self._headers()
elif self.path.startswith('/308-to-headers'):
self.send_response(308)
self.send_header('Location', '/headers')
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path == '/trailing_garbage':
payload = b'<html><video src="/vid.mp4" /></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Encoding', 'gzip')
buf = io.BytesIO()
with gzip.GzipFile(fileobj=buf, mode='wb') as f:
f.write(payload)
compressed = buf.getvalue() + b'trailing garbage'
self.send_header('Content-Length', str(len(compressed)))
self.end_headers()
self.wfile.write(compressed)
elif self.path == '/302-non-ascii-redirect':
new_url = f'http://127.0.0.1:{http_server_port(self.server)}/中文.html'
self.send_response(301)
self.send_header('Location', new_url)
self.send_header('Content-Length', '0')
self.end_headers()
elif self.path == '/content-encoding':
encodings = self.headers.get('ytdl-encoding', '')
payload = b'<html><video src="/vid.mp4" /></html>'
for encoding in filter(None, (e.strip() for e in encodings.split(','))):
if encoding == 'br' and brotli:
payload = brotli.compress(payload)
elif encoding == 'gzip':
buf = io.BytesIO()
with gzip.GzipFile(fileobj=buf, mode='wb') as f:
f.write(payload)
payload = buf.getvalue()
elif encoding == 'deflate':
payload = zlib.compress(payload)
elif encoding == 'unsupported':
payload = b'raw'
break
else:
self._status(415)
return
self.send_response(200)
self.send_header('Content-Encoding', encodings)
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path.startswith('/gen_'):
payload = b'<html></html>'
self.send_response(int(self.path[len('/gen_'):]))
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
elif self.path.startswith('/incompleteread'):
payload = b'<html></html>'
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', '234234')
self.end_headers()
self.wfile.write(payload)
self.finish()
elif self.path.startswith('/timeout_'):
time.sleep(int(self.path[len('/timeout_'):]))
self._headers()
elif self.path == '/source_address':
payload = str(self.client_address[0]).encode()
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Content-Length', str(len(payload)))
self.end_headers()
self.wfile.write(payload)
self.finish()
else:
self._status(404)
def send_header(self, keyword, value):
"""
Forcibly allow HTTP server to send non percent-encoded non-ASCII characters in headers.
This is against what is defined in RFC 3986, however we need to test we support this
since some sites incorrectly do this.
"""
if keyword.lower() == 'connection':
return super().send_header(keyword, value)
if not hasattr(self, '_headers_buffer'):
self._headers_buffer = []
self._headers_buffer.append(f'{keyword}: {value}\r\n'.encode())
def validate_and_send(rh, req):
rh.validate(req)
return rh.send(req)
class TestRequestHandlerBase:
@classmethod
def setup_class(cls):
cls.http_httpd = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
cls.http_port = http_server_port(cls.http_httpd)
cls.http_server_thread = threading.Thread(target=cls.http_httpd.serve_forever)
# FIXME: we should probably stop the http server thread after each test
# See: https://github.com/yt-dlp/yt-dlp/pull/7094#discussion_r1199746041
cls.http_server_thread.daemon = True
cls.http_server_thread.start()
# HTTPS server
certfn = os.path.join(TEST_DIR, 'testcert.pem')
cls.https_httpd = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
sslctx.load_cert_chain(certfn, None)
cls.https_httpd.socket = sslctx.wrap_socket(cls.https_httpd.socket, server_side=True)
cls.https_port = http_server_port(cls.https_httpd)
cls.https_server_thread = threading.Thread(target=cls.https_httpd.serve_forever)
cls.https_server_thread.daemon = True
cls.https_server_thread.start()
class TestHTTPRequestHandler(TestRequestHandlerBase):
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_verify_cert(self, handler):
with handler() as rh:
with pytest.raises(CertificateVerifyError):
validate_and_send(rh, Request(f'https://127.0.0.1:{self.https_port}/headers'))
with handler(verify=False) as rh:
r = validate_and_send(rh, Request(f'https://127.0.0.1:{self.https_port}/headers'))
assert r.status == 200
r.close()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_ssl_error(self, handler):
# HTTPS server with too old TLS version
# XXX: is there a better way to test this than to create a new server?
https_httpd = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), HTTPTestRequestHandler)
sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
https_httpd.socket = sslctx.wrap_socket(https_httpd.socket, server_side=True)
https_port = http_server_port(https_httpd)
https_server_thread = threading.Thread(target=https_httpd.serve_forever)
https_server_thread.daemon = True
https_server_thread.start()
with handler(verify=False) as rh:
with pytest.raises(SSLError, match='sslv3 alert handshake failure') as exc_info:
validate_and_send(rh, Request(f'https://127.0.0.1:{https_port}/headers'))
assert not issubclass(exc_info.type, CertificateVerifyError)
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_percent_encode(self, handler):
with handler() as rh:
# Unicode characters should be encoded with uppercase percent-encoding
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/中文.html'))
assert res.status == 200
res.close()
# don't normalize existing percent encodings
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/%c7%9f'))
assert res.status == 200
res.close()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_remove_dot_segments(self, handler):
with handler() as rh:
# This isn't a comprehensive test,
# but it should be enough to check whether the handler is removing dot segments
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/a/b/./../../headers'))
assert res.status == 200
assert res.url == f'http://127.0.0.1:{self.http_port}/headers'
res.close()
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_dotsegments'))
assert res.status == 200
assert res.url == f'http://127.0.0.1:{self.http_port}/headers'
res.close()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_unicode_path_redirection(self, handler):
with handler() as rh:
r = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/302-non-ascii-redirect'))
assert r.url == f'http://127.0.0.1:{self.http_port}/%E4%B8%AD%E6%96%87.html'
r.close()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_raise_http_error(self, handler):
with handler() as rh:
for bad_status in (400, 500, 599, 302):
with pytest.raises(HTTPError):
validate_and_send(rh, Request('http://127.0.0.1:%d/gen_%d' % (self.http_port, bad_status)))
# Should not raise an error
validate_and_send(rh, Request('http://127.0.0.1:%d/gen_200' % self.http_port)).close()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_response_url(self, handler):
with handler() as rh:
# Response url should be that of the last url in redirect chain
res = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_301'))
assert res.url == f'http://127.0.0.1:{self.http_port}/method'
res.close()
res2 = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/gen_200'))
assert res2.url == f'http://127.0.0.1:{self.http_port}/gen_200'
res2.close()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_redirect(self, handler):
with handler() as rh:
def do_req(redirect_status, method, assert_no_content=False):
data = b'testdata' if method in ('POST', 'PUT') else None
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_{redirect_status}', method=method, data=data))
headers = b''
data_sent = b''
if data is not None:
data_sent += res.read(len(data))
if data_sent != data:
headers += data_sent
data_sent = b''
headers += res.read()
if assert_no_content or data is None:
assert b'Content-Type' not in headers
assert b'Content-Length' not in headers
else:
assert b'Content-Type' in headers
assert b'Content-Length' in headers
return data_sent.decode(), res.headers.get('method', '')
# A 303 must either use GET or HEAD for subsequent request
assert do_req(303, 'POST', True) == ('', 'GET')
assert do_req(303, 'HEAD') == ('', 'HEAD')
assert do_req(303, 'PUT', True) == ('', 'GET')
# 301 and 302 turn POST only into a GET
assert do_req(301, 'POST', True) == ('', 'GET')
assert do_req(301, 'HEAD') == ('', 'HEAD')
assert do_req(302, 'POST', True) == ('', 'GET')
assert do_req(302, 'HEAD') == ('', 'HEAD')
assert do_req(301, 'PUT') == ('testdata', 'PUT')
assert do_req(302, 'PUT') == ('testdata', 'PUT')
# 307 and 308 should not change method
for m in ('POST', 'PUT'):
assert do_req(307, m) == ('testdata', m)
assert do_req(308, m) == ('testdata', m)
assert do_req(307, 'HEAD') == ('', 'HEAD')
assert do_req(308, 'HEAD') == ('', 'HEAD')
# These should not redirect and instead raise an HTTPError
for code in (300, 304, 305, 306):
with pytest.raises(HTTPError):
do_req(code, 'GET')
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_request_cookie_header(self, handler):
# We should accept a Cookie header being passed as in normal headers and handle it appropriately.
with handler() as rh:
# Specified Cookie header should be used
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/headers',
headers={'Cookie': 'test=test'})).read().decode()
assert 'Cookie: test=test' in res
# Specified Cookie header should be removed on any redirect
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/308-to-headers',
headers={'Cookie': 'test=test'})).read().decode()
assert 'Cookie: test=test' not in res
# Specified Cookie header should override global cookiejar for that request
cookiejar = YoutubeDLCookieJar()
cookiejar.set_cookie(http.cookiejar.Cookie(
version=0, name='test', value='ytdlp', port=None, port_specified=False,
domain='127.0.0.1', domain_specified=True, domain_initial_dot=False, path='/',
path_specified=True, secure=False, expires=None, discard=False, comment=None,
comment_url=None, rest={}))
with handler(cookiejar=cookiejar) as rh:
data = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', headers={'cookie': 'test=test'})).read()
assert b'Cookie: test=ytdlp' not in data
assert b'Cookie: test=test' in data
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_redirect_loop(self, handler):
with handler() as rh:
with pytest.raises(HTTPError, match='redirect loop'):
validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/redirect_loop'))
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_incompleteread(self, handler):
with handler(timeout=2) as rh:
with pytest.raises(IncompleteRead):
validate_and_send(rh, Request('http://127.0.0.1:%d/incompleteread' % self.http_port)).read()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_cookies(self, handler):
cookiejar = YoutubeDLCookieJar()
cookiejar.set_cookie(http.cookiejar.Cookie(
0, 'test', 'ytdlp', None, False, '127.0.0.1', True,
False, '/headers', True, False, None, False, None, None, {}))
with handler(cookiejar=cookiejar) as rh:
data = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/headers')).read()
assert b'Cookie: test=ytdlp' in data
# Per request
with handler() as rh:
data = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', extensions={'cookiejar': cookiejar})).read()
assert b'Cookie: test=ytdlp' in data
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_headers(self, handler):
with handler(headers=HTTPHeaderDict({'test1': 'test', 'test2': 'test2'})) as rh:
# Global Headers
data = validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/headers')).read()
assert b'Test1: test' in data
# Per request headers, merged with global
data = validate_and_send(rh, Request(
f'http://127.0.0.1:{self.http_port}/headers', headers={'test2': 'changed', 'test3': 'test3'})).read()
assert b'Test1: test' in data
assert b'Test2: changed' in data
assert b'Test2: test2' not in data
assert b'Test3: test3' in data
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_timeout(self, handler):
with handler() as rh:
# Default timeout is 20 seconds, so this should go through
validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/timeout_3'))
with handler(timeout=0.5) as rh:
with pytest.raises(TransportError):
validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/timeout_1'))
# Per request timeout, should override handler timeout
validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/timeout_1', extensions={'timeout': 4}))
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_source_address(self, handler):
source_address = f'127.0.0.{random.randint(5, 255)}'
with handler(source_address=source_address) as rh:
data = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/source_address')).read().decode()
assert source_address == data
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_gzip_trailing_garbage(self, handler):
with handler() as rh:
data = validate_and_send(rh, Request(f'http://localhost:{self.http_port}/trailing_garbage')).read().decode()
assert data == '<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
@pytest.mark.skipif(not brotli, reason='brotli support is not installed')
def test_brotli(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'br'}))
assert res.headers.get('Content-Encoding') == 'br'
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_deflate(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'deflate'}))
assert res.headers.get('Content-Encoding') == 'deflate'
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_gzip(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'gzip'}))
assert res.headers.get('Content-Encoding') == 'gzip'
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_multiple_encodings(self, handler):
with handler() as rh:
for pair in ('gzip,deflate', 'deflate, gzip', 'gzip, gzip', 'deflate, deflate'):
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': pair}))
assert res.headers.get('Content-Encoding') == pair
assert res.read() == b'<html><video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_unsupported_encoding(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': 'unsupported'}))
assert res.headers.get('Content-Encoding') == 'unsupported'
assert res.read() == b'raw'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_read(self, handler):
with handler() as rh:
res = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers'))
assert res.readable()
assert res.read(1) == b'H'
assert res.read(3) == b'ost'
class TestHTTPProxy(TestRequestHandlerBase):
@classmethod
def setup_class(cls):
super().setup_class()
# HTTP Proxy server
cls.proxy = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), _build_proxy_handler('normal'))
cls.proxy_port = http_server_port(cls.proxy)
cls.proxy_thread = threading.Thread(target=cls.proxy.serve_forever)
cls.proxy_thread.daemon = True
cls.proxy_thread.start()
# Geo proxy server
cls.geo_proxy = http.server.ThreadingHTTPServer(
('127.0.0.1', 0), _build_proxy_handler('geo'))
cls.geo_port = http_server_port(cls.geo_proxy)
cls.geo_proxy_thread = threading.Thread(target=cls.geo_proxy.serve_forever)
cls.geo_proxy_thread.daemon = True
cls.geo_proxy_thread.start()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_http_proxy(self, handler):
http_proxy = f'http://127.0.0.1:{self.proxy_port}'
geo_proxy = f'http://127.0.0.1:{self.geo_port}'
# Test global http proxy
# Test per request http proxy
# Test per request http proxy disables proxy
url = 'http://foo.com/bar'
# Global HTTP proxy
with handler(proxies={'http': http_proxy}) as rh:
res = validate_and_send(rh, Request(url)).read().decode()
assert res == f'normal: {url}'
# Per request proxy overrides global
res = validate_and_send(rh, Request(url, proxies={'http': geo_proxy})).read().decode()
assert res == f'geo: {url}'
# and setting to None disables all proxies for that request
real_url = f'http://127.0.0.1:{self.http_port}/headers'
res = validate_and_send(
rh, Request(real_url, proxies={'http': None})).read().decode()
assert res != f'normal: {real_url}'
assert 'Accept' in res
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_noproxy(self, handler):
with handler(proxies={'proxy': f'http://127.0.0.1:{self.proxy_port}'}) as rh:
# NO_PROXY
for no_proxy in (f'127.0.0.1:{self.http_port}', '127.0.0.1', 'localhost'):
nop_response = validate_and_send(
rh, Request(f'http://127.0.0.1:{self.http_port}/headers', proxies={'no': no_proxy})).read().decode(
'utf-8')
assert 'Accept' in nop_response
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_allproxy(self, handler):
url = 'http://foo.com/bar'
with handler() as rh:
response = validate_and_send(rh, Request(url, proxies={'all': f'http://127.0.0.1:{self.proxy_port}'})).read().decode(
'utf-8')
assert response == f'normal: {url}'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_http_proxy_with_idn(self, handler):
with handler(proxies={
'http': f'http://127.0.0.1:{self.proxy_port}',
}) as rh:
url = 'http://中文.tw/'
response = rh.send(Request(url)).read().decode()
# b'xn--fiq228c' is '中文'.encode('idna')
assert response == 'normal: http://xn--fiq228c.tw/'
class TestClientCertificate:
@classmethod
def setup_class(cls):
certfn = os.path.join(TEST_DIR, 'testcert.pem')
cls.certdir = os.path.join(TEST_DIR, 'testdata', 'certificate')
cacertfn = os.path.join(cls.certdir, 'ca.crt')
cls.httpd = http.server.ThreadingHTTPServer(('127.0.0.1', 0), HTTPTestRequestHandler)
sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
sslctx.verify_mode = ssl.CERT_REQUIRED
sslctx.load_verify_locations(cafile=cacertfn)
sslctx.load_cert_chain(certfn, None)
cls.httpd.socket = sslctx.wrap_socket(cls.httpd.socket, server_side=True)
cls.port = http_server_port(cls.httpd)
cls.server_thread = threading.Thread(target=cls.httpd.serve_forever)
cls.server_thread.daemon = True
cls.server_thread.start()
def _run_test(self, handler, **handler_kwargs):
with handler(
# Disable client-side validation of unacceptable self-signed testcert.pem
# The test is of a check on the server side, so unaffected
verify=False,
**handler_kwargs,
) as rh:
validate_and_send(rh, Request(f'https://127.0.0.1:{self.port}/video.html')).read().decode()
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_certificate_combined_nopass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'clientwithkey.crt'),
})
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_certificate_nocombined_nopass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'client.crt'),
'client_certificate_key': os.path.join(self.certdir, 'client.key'),
})
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_certificate_combined_pass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'clientwithencryptedkey.crt'),
'client_certificate_password': 'foobar',
})
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_certificate_nocombined_pass(self, handler):
self._run_test(handler, client_cert={
'client_certificate': os.path.join(self.certdir, 'client.crt'),
'client_certificate_key': os.path.join(self.certdir, 'clientencrypted.key'),
'client_certificate_password': 'foobar',
})
class TestUrllibRequestHandler(TestRequestHandlerBase):
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_file_urls(self, handler):
# See https://github.com/ytdl-org/youtube-dl/issues/8227
tf = tempfile.NamedTemporaryFile(delete=False)
tf.write(b'foobar')
tf.close()
req = Request(pathlib.Path(tf.name).as_uri())
with handler() as rh:
with pytest.raises(UnsupportedRequest):
rh.validate(req)
# Test that urllib never loaded FileHandler
with pytest.raises(TransportError):
rh.send(req)
with handler(enable_file_urls=True) as rh:
res = validate_and_send(rh, req)
assert res.read() == b'foobar'
res.close()
os.unlink(tf.name)
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_http_error_returns_content(self, handler):
# urllib HTTPError will try close the underlying response if reference to the HTTPError object is lost
def get_response():
with handler() as rh:
# headers url
try:
validate_and_send(rh, Request(f'http://127.0.0.1:{self.http_port}/gen_404'))
except HTTPError as e:
return e.response
assert get_response().read() == b'<html></html>'
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_verify_cert_error_text(self, handler):
# Check the output of the error message
with handler() as rh:
with pytest.raises(
CertificateVerifyError,
match=r'\[SSL: CERTIFICATE_VERIFY_FAILED\] certificate verify failed: self.signed certificate'
):
validate_and_send(rh, Request(f'https://127.0.0.1:{self.https_port}/headers'))
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
@pytest.mark.parametrize('req,match,version_check', [
# https://github.com/python/cpython/blob/987b712b4aeeece336eed24fcc87a950a756c3e2/Lib/http/client.py#L1256
# bpo-39603: Check implemented in 3.7.9+, 3.8.5+
(
Request('http://127.0.0.1', method='GET\n'),
'method can\'t contain control characters',
lambda v: v < (3, 7, 9) or (3, 8, 0) <= v < (3, 8, 5)
),
# https://github.com/python/cpython/blob/987b712b4aeeece336eed24fcc87a950a756c3e2/Lib/http/client.py#L1265
# bpo-38576: Check implemented in 3.7.8+, 3.8.3+
(
Request('http://127.0.0. 1', method='GET'),
'URL can\'t contain control characters',
lambda v: v < (3, 7, 8) or (3, 8, 0) <= v < (3, 8, 3)
),
# https://github.com/python/cpython/blob/987b712b4aeeece336eed24fcc87a950a756c3e2/Lib/http/client.py#L1288C31-L1288C50
(Request('http://127.0.0.1', headers={'foo\n': 'bar'}), 'Invalid header name', None),
])
def test_httplib_validation_errors(self, handler, req, match, version_check):
if version_check and version_check(sys.version_info):
pytest.skip(f'Python {sys.version} version does not have the required validation for this test.')
with handler() as rh:
with pytest.raises(RequestError, match=match) as exc_info:
validate_and_send(rh, req)
assert not isinstance(exc_info.value, TransportError)
def run_validation(handler, error, req, **handler_kwargs):
with handler(**handler_kwargs) as rh:
if error:
with pytest.raises(error):
rh.validate(req)
else:
rh.validate(req)
class TestRequestHandlerValidation:
class ValidationRH(RequestHandler):
def _send(self, request):
raise RequestError('test')
class NoCheckRH(ValidationRH):
_SUPPORTED_FEATURES = None
_SUPPORTED_PROXY_SCHEMES = None
_SUPPORTED_URL_SCHEMES = None
def _check_extensions(self, extensions):
extensions.clear()
class HTTPSupportedRH(ValidationRH):
_SUPPORTED_URL_SCHEMES = ('http',)
URL_SCHEME_TESTS = [
# scheme, expected to fail, handler kwargs
('Urllib', [
('http', False, {}),
('https', False, {}),
('data', False, {}),
('ftp', False, {}),
('file', UnsupportedRequest, {}),
('file', False, {'enable_file_urls': True}),
]),
(NoCheckRH, [('http', False, {})]),
(ValidationRH, [('http', UnsupportedRequest, {})])
]
PROXY_SCHEME_TESTS = [
# scheme, expected to fail
('Urllib', [
('http', False),
('https', UnsupportedRequest),
('socks4', False),
('socks4a', False),
('socks5', False),
('socks5h', False),
('socks', UnsupportedRequest),
]),
(NoCheckRH, [('http', False)]),
(HTTPSupportedRH, [('http', UnsupportedRequest)]),
]
PROXY_KEY_TESTS = [
# key, expected to fail
('Urllib', [
('all', False),
('unrelated', False),
]),
(NoCheckRH, [('all', False)]),
(HTTPSupportedRH, [('all', UnsupportedRequest)]),
(HTTPSupportedRH, [('no', UnsupportedRequest)]),
]
EXTENSION_TESTS = [
('Urllib', [
({'cookiejar': 'notacookiejar'}, AssertionError),
({'cookiejar': YoutubeDLCookieJar()}, False),
({'cookiejar': CookieJar()}, AssertionError),
({'timeout': 1}, False),
({'timeout': 'notatimeout'}, AssertionError),
({'unsupported': 'value'}, UnsupportedRequest),
]),
(NoCheckRH, [
({'cookiejar': 'notacookiejar'}, False),
({'somerandom': 'test'}, False), # but any extension is allowed through
]),
]
@pytest.mark.parametrize('handler,scheme,fail,handler_kwargs', [
(handler_tests[0], scheme, fail, handler_kwargs)
for handler_tests in URL_SCHEME_TESTS
for scheme, fail, handler_kwargs in handler_tests[1]
], indirect=['handler'])
def test_url_scheme(self, handler, scheme, fail, handler_kwargs):
run_validation(handler, fail, Request(f'{scheme}://'), **(handler_kwargs or {}))
@pytest.mark.parametrize('handler,fail', [('Urllib', False)], indirect=['handler'])
def test_no_proxy(self, handler, fail):
run_validation(handler, fail, Request('http://', proxies={'no': '127.0.0.1,github.com'}))
run_validation(handler, fail, Request('http://'), proxies={'no': '127.0.0.1,github.com'})
@pytest.mark.parametrize('handler,proxy_key,fail', [
(handler_tests[0], proxy_key, fail)
for handler_tests in PROXY_KEY_TESTS
for proxy_key, fail in handler_tests[1]
], indirect=['handler'])
def test_proxy_key(self, handler, proxy_key, fail):
run_validation(handler, fail, Request('http://', proxies={proxy_key: 'http://example.com'}))
run_validation(handler, fail, Request('http://'), proxies={proxy_key: 'http://example.com'})
@pytest.mark.parametrize('handler,scheme,fail', [
(handler_tests[0], scheme, fail)
for handler_tests in PROXY_SCHEME_TESTS
for scheme, fail in handler_tests[1]
], indirect=['handler'])
def test_proxy_scheme(self, handler, scheme, fail):
run_validation(handler, fail, Request('http://', proxies={'http': f'{scheme}://example.com'}))
run_validation(handler, fail, Request('http://'), proxies={'http': f'{scheme}://example.com'})
@pytest.mark.parametrize('handler', ['Urllib', HTTPSupportedRH], indirect=True)
def test_empty_proxy(self, handler):
run_validation(handler, False, Request('http://', proxies={'http': None}))
run_validation(handler, False, Request('http://'), proxies={'http': None})
@pytest.mark.parametrize('proxy_url', ['//example.com', 'example.com', '127.0.0.1', '/a/b/c'])
@pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
def test_invalid_proxy_url(self, handler, proxy_url):
run_validation(handler, UnsupportedRequest, Request('http://', proxies={'http': proxy_url}))
@pytest.mark.parametrize('handler,extensions,fail', [
(handler_tests[0], extensions, fail)
for handler_tests in EXTENSION_TESTS
for extensions, fail in handler_tests[1]
], indirect=['handler'])
def test_extension(self, handler, extensions, fail):
run_validation(
handler, fail, Request('http://', extensions=extensions))
def test_invalid_request_type(self):
rh = self.ValidationRH(logger=FakeLogger())
for method in (rh.validate, rh.send):
with pytest.raises(TypeError, match='Expected an instance of Request'):
method('not a request')
class FakeResponse(Response):
def __init__(self, request):
# XXX: we could make request part of standard response interface
self.request = request
super().__init__(fp=io.BytesIO(b''), headers={}, url=request.url)
class FakeRH(RequestHandler):
def _validate(self, request):
return
def _send(self, request: Request):
if request.url.startswith('ssl://'):
raise SSLError(request.url[len('ssl://'):])
return FakeResponse(request)
class FakeRHYDL(FakeYDL):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._request_director = self.build_request_director([FakeRH])
class TestRequestDirector:
def test_handler_operations(self):
director = RequestDirector(logger=FakeLogger())
handler = FakeRH(logger=FakeLogger())
director.add_handler(handler)
assert director.handlers.get(FakeRH.RH_KEY) is handler
# Handler should overwrite
handler2 = FakeRH(logger=FakeLogger())
director.add_handler(handler2)
assert director.handlers.get(FakeRH.RH_KEY) is not handler
assert director.handlers.get(FakeRH.RH_KEY) is handler2
assert len(director.handlers) == 1
class AnotherFakeRH(FakeRH):
pass
director.add_handler(AnotherFakeRH(logger=FakeLogger()))
assert len(director.handlers) == 2
assert director.handlers.get(AnotherFakeRH.RH_KEY).RH_KEY == AnotherFakeRH.RH_KEY
director.handlers.pop(FakeRH.RH_KEY, None)
assert director.handlers.get(FakeRH.RH_KEY) is None
assert len(director.handlers) == 1
# RequestErrors should passthrough
with pytest.raises(SSLError):
director.send(Request('ssl://something'))
def test_send(self):
director = RequestDirector(logger=FakeLogger())
with pytest.raises(RequestError):
director.send(Request('any://'))
director.add_handler(FakeRH(logger=FakeLogger()))
assert isinstance(director.send(Request('http://')), FakeResponse)
def test_unsupported_handlers(self):
class SupportedRH(RequestHandler):
_SUPPORTED_URL_SCHEMES = ['http']
def _send(self, request: Request):
return Response(fp=io.BytesIO(b'supported'), headers={}, url=request.url)
director = RequestDirector(logger=FakeLogger())
director.add_handler(SupportedRH(logger=FakeLogger()))
director.add_handler(FakeRH(logger=FakeLogger()))
# First should take preference
assert director.send(Request('http://')).read() == b'supported'
assert director.send(Request('any://')).read() == b''
director.handlers.pop(FakeRH.RH_KEY)
with pytest.raises(NoSupportingHandlers):
director.send(Request('any://'))
def test_unexpected_error(self):
director = RequestDirector(logger=FakeLogger())
class UnexpectedRH(FakeRH):
def _send(self, request: Request):
raise TypeError('something')
director.add_handler(UnexpectedRH(logger=FakeLogger))
with pytest.raises(NoSupportingHandlers, match=r'1 unexpected error'):
director.send(Request('any://'))
director.handlers.clear()
assert len(director.handlers) == 0
# Should not be fatal
director.add_handler(FakeRH(logger=FakeLogger()))
director.add_handler(UnexpectedRH(logger=FakeLogger))
assert director.send(Request('any://'))
def test_preference(self):
director = RequestDirector(logger=FakeLogger())
director.add_handler(FakeRH(logger=FakeLogger()))
class SomeRH(RequestHandler):
_SUPPORTED_URL_SCHEMES = ['http']
def _send(self, request: Request):
return Response(fp=io.BytesIO(b'supported'), headers={}, url=request.url)
def some_preference(rh, request):
return (0 if not isinstance(rh, SomeRH)
else 100 if 'prefer' in request.headers
else -1)
director.add_handler(SomeRH(logger=FakeLogger()))
director.preferences.add(some_preference)
assert director.send(Request('http://')).read() == b''
assert director.send(Request('http://', headers={'prefer': '1'})).read() == b'supported'
# XXX: do we want to move this to test_YoutubeDL.py?
class TestYoutubeDLNetworking:
@staticmethod
def build_handler(ydl, handler: RequestHandler = FakeRH):
return ydl.build_request_director([handler]).handlers.get(handler.RH_KEY)
def test_compat_opener(self):
with FakeYDL() as ydl:
with warnings.catch_warnings():
warnings.simplefilter('ignore', category=DeprecationWarning)
assert isinstance(ydl._opener, urllib.request.OpenerDirector)
@pytest.mark.parametrize('proxy,expected', [
('http://127.0.0.1:8080', {'all': 'http://127.0.0.1:8080'}),
('', {'all': '__noproxy__'}),
(None, {'http': 'http://127.0.0.1:8081', 'https': 'http://127.0.0.1:8081'}) # env, set https
])
def test_proxy(self, proxy, expected):
old_http_proxy = os.environ.get('HTTP_PROXY')
try:
os.environ['HTTP_PROXY'] = 'http://127.0.0.1:8081' # ensure that provided proxies override env
with FakeYDL({'proxy': proxy}) as ydl:
assert ydl.proxies == expected
finally:
if old_http_proxy:
os.environ['HTTP_PROXY'] = old_http_proxy
def test_compat_request(self):
with FakeRHYDL() as ydl:
assert ydl.urlopen('test://')
urllib_req = urllib.request.Request('http://foo.bar', data=b'test', method='PUT', headers={'X-Test': '1'})
urllib_req.add_unredirected_header('Cookie', 'bob=bob')
urllib_req.timeout = 2
with warnings.catch_warnings():
warnings.simplefilter('ignore', category=DeprecationWarning)
req = ydl.urlopen(urllib_req).request
assert req.url == urllib_req.get_full_url()
assert req.data == urllib_req.data
assert req.method == urllib_req.get_method()
assert 'X-Test' in req.headers
assert 'Cookie' in req.headers
assert req.extensions.get('timeout') == 2
with pytest.raises(AssertionError):
ydl.urlopen(None)
def test_extract_basic_auth(self):
with FakeRHYDL() as ydl:
res = ydl.urlopen(Request('http://user:pass@foo.bar'))
assert res.request.headers['Authorization'] == 'Basic dXNlcjpwYXNz'
def test_sanitize_url(self):
with FakeRHYDL() as ydl:
res = ydl.urlopen(Request('httpss://foo.bar'))
assert res.request.url == 'https://foo.bar'
def test_file_urls_error(self):
# use urllib handler
with FakeYDL() as ydl:
with pytest.raises(RequestError, match=r'file:// URLs are disabled by default'):
ydl.urlopen('file://')
def test_legacy_server_connect_error(self):
with FakeRHYDL() as ydl:
for error in ('UNSAFE_LEGACY_RENEGOTIATION_DISABLED', 'SSLV3_ALERT_HANDSHAKE_FAILURE'):
with pytest.raises(RequestError, match=r'Try using --legacy-server-connect'):
ydl.urlopen(f'ssl://{error}')
with pytest.raises(SSLError, match='testerror'):
ydl.urlopen('ssl://testerror')
@pytest.mark.parametrize('proxy_key,proxy_url,expected', [
('http', '__noproxy__', None),
('no', '127.0.0.1,foo.bar', '127.0.0.1,foo.bar'),
('https', 'example.com', 'http://example.com'),
('https', '//example.com', 'http://example.com'),
('https', 'socks5://example.com', 'socks5h://example.com'),
('http', 'socks://example.com', 'socks4://example.com'),
('http', 'socks4://example.com', 'socks4://example.com'),
('unrelated', '/bad/proxy', '/bad/proxy'), # clean_proxies should ignore bad proxies
])
def test_clean_proxy(self, proxy_key, proxy_url, expected):
# proxies should be cleaned in urlopen()
with FakeRHYDL() as ydl:
req = ydl.urlopen(Request('test://', proxies={proxy_key: proxy_url})).request
assert req.proxies[proxy_key] == expected
# and should also be cleaned when building the handler
env_key = f'{proxy_key.upper()}_PROXY'
old_env_proxy = os.environ.get(env_key)
try:
os.environ[env_key] = proxy_url # ensure that provided proxies override env
with FakeYDL() as ydl:
rh = self.build_handler(ydl)
assert rh.proxies[proxy_key] == expected
finally:
if old_env_proxy:
os.environ[env_key] = old_env_proxy
def test_clean_proxy_header(self):
with FakeRHYDL() as ydl:
req = ydl.urlopen(Request('test://', headers={'ytdl-request-proxy': '//foo.bar'})).request
assert 'ytdl-request-proxy' not in req.headers
assert req.proxies == {'all': 'http://foo.bar'}
with FakeYDL({'http_headers': {'ytdl-request-proxy': '//foo.bar'}}) as ydl:
rh = self.build_handler(ydl)
assert 'ytdl-request-proxy' not in rh.headers
assert rh.proxies == {'all': 'http://foo.bar'}
def test_clean_header(self):
with FakeRHYDL() as ydl:
res = ydl.urlopen(Request('test://', headers={'Youtubedl-no-compression': True}))
assert 'Youtubedl-no-compression' not in res.request.headers
assert res.request.headers.get('Accept-Encoding') == 'identity'
with FakeYDL({'http_headers': {'Youtubedl-no-compression': True}}) as ydl:
rh = self.build_handler(ydl)
assert 'Youtubedl-no-compression' not in rh.headers
assert rh.headers.get('Accept-Encoding') == 'identity'
def test_build_handler_params(self):
with FakeYDL({
'http_headers': {'test': 'testtest'},
'socket_timeout': 2,
'proxy': 'http://127.0.0.1:8080',
'source_address': '127.0.0.45',
'debug_printtraffic': True,
'compat_opts': ['no-certifi'],
'nocheckcertificate': True,
'legacyserverconnect': True,
}) as ydl:
rh = self.build_handler(ydl)
assert rh.headers.get('test') == 'testtest'
assert 'Accept' in rh.headers # ensure std_headers are still there
assert rh.timeout == 2
assert rh.proxies.get('all') == 'http://127.0.0.1:8080'
assert rh.source_address == '127.0.0.45'
assert rh.verbose is True
assert rh.prefer_system_certs is True
assert rh.verify is False
assert rh.legacy_ssl_support is True
@pytest.mark.parametrize('ydl_params', [
{'client_certificate': 'fakecert.crt'},
{'client_certificate': 'fakecert.crt', 'client_certificate_key': 'fakekey.key'},
{'client_certificate': 'fakecert.crt', 'client_certificate_key': 'fakekey.key', 'client_certificate_password': 'foobar'},
{'client_certificate_key': 'fakekey.key', 'client_certificate_password': 'foobar'},
])
def test_client_certificate(self, ydl_params):
with FakeYDL(ydl_params) as ydl:
rh = self.build_handler(ydl)
assert rh._client_cert == ydl_params # XXX: Too bound to implementation
def test_urllib_file_urls(self):
with FakeYDL({'enable_file_urls': False}) as ydl:
rh = self.build_handler(ydl, UrllibRH)
assert rh.enable_file_urls is False
with FakeYDL({'enable_file_urls': True}) as ydl:
rh = self.build_handler(ydl, UrllibRH)
assert rh.enable_file_urls is True
class TestRequest:
def test_query(self):
req = Request('http://example.com?q=something', query={'v': 'xyz'})
assert req.url == 'http://example.com?q=something&v=xyz'
req.update(query={'v': '123'})
assert req.url == 'http://example.com?q=something&v=123'
req.update(url='http://example.com', query={'v': 'xyz'})
assert req.url == 'http://example.com?v=xyz'
def test_method(self):
req = Request('http://example.com')
assert req.method == 'GET'
req.data = b'test'
assert req.method == 'POST'
req.data = None
assert req.method == 'GET'
req.data = b'test2'
req.method = 'PUT'
assert req.method == 'PUT'
req.data = None
assert req.method == 'PUT'
with pytest.raises(TypeError):
req.method = 1
def test_request_helpers(self):
assert HEADRequest('http://example.com').method == 'HEAD'
assert PUTRequest('http://example.com').method == 'PUT'
def test_headers(self):
req = Request('http://example.com', headers={'tesT': 'test'})
assert req.headers == HTTPHeaderDict({'test': 'test'})
req.update(headers={'teSt2': 'test2'})
assert req.headers == HTTPHeaderDict({'test': 'test', 'test2': 'test2'})
req.headers = new_headers = HTTPHeaderDict({'test': 'test'})
assert req.headers == HTTPHeaderDict({'test': 'test'})
assert req.headers is new_headers
# test converts dict to case insensitive dict
req.headers = new_headers = {'test2': 'test2'}
assert isinstance(req.headers, HTTPHeaderDict)
assert req.headers is not new_headers
with pytest.raises(TypeError):
req.headers = None
def test_data_type(self):
req = Request('http://example.com')
assert req.data is None
# test bytes is allowed
req.data = b'test'
assert req.data == b'test'
# test iterable of bytes is allowed
i = [b'test', b'test2']
req.data = i
assert req.data == i
# test file-like object is allowed
f = io.BytesIO(b'test')
req.data = f
assert req.data == f
# common mistake: test str not allowed
with pytest.raises(TypeError):
req.data = 'test'
assert req.data != 'test'
# common mistake: test dict is not allowed
with pytest.raises(TypeError):
req.data = {'test': 'test'}
assert req.data != {'test': 'test'}
def test_content_length_header(self):
req = Request('http://example.com', headers={'Content-Length': '0'}, data=b'')
assert req.headers.get('Content-Length') == '0'
req.data = b'test'
assert 'Content-Length' not in req.headers
req = Request('http://example.com', headers={'Content-Length': '10'})
assert 'Content-Length' not in req.headers
def test_content_type_header(self):
req = Request('http://example.com', headers={'Content-Type': 'test'}, data=b'test')
assert req.headers.get('Content-Type') == 'test'
req.data = b'test2'
assert req.headers.get('Content-Type') == 'test'
req.data = None
assert 'Content-Type' not in req.headers
req.data = b'test3'
assert req.headers.get('Content-Type') == 'application/x-www-form-urlencoded'
def test_update_req(self):
req = Request('http://example.com')
assert req.data is None
assert req.method == 'GET'
assert 'Content-Type' not in req.headers
# Test that zero-byte payloads will be sent
req.update(data=b'')
assert req.data == b''
assert req.method == 'POST'
assert req.headers.get('Content-Type') == 'application/x-www-form-urlencoded'
def test_proxies(self):
req = Request(url='http://example.com', proxies={'http': 'http://127.0.0.1:8080'})
assert req.proxies == {'http': 'http://127.0.0.1:8080'}
def test_extensions(self):
req = Request(url='http://example.com', extensions={'timeout': 2})
assert req.extensions == {'timeout': 2}
def test_copy(self):
req = Request(
url='http://example.com',
extensions={'cookiejar': CookieJar()},
headers={'Accept-Encoding': 'br'},
proxies={'http': 'http://127.0.0.1'},
data=[b'123']
)
req_copy = req.copy()
assert req_copy is not req
assert req_copy.url == req.url
assert req_copy.headers == req.headers
assert req_copy.headers is not req.headers
assert req_copy.proxies == req.proxies
assert req_copy.proxies is not req.proxies
# Data is not able to be copied
assert req_copy.data == req.data
assert req_copy.data is req.data
# Shallow copy extensions
assert req_copy.extensions is not req.extensions
assert req_copy.extensions['cookiejar'] == req.extensions['cookiejar']
# Subclasses are copied by default
class AnotherRequest(Request):
pass
req = AnotherRequest(url='http://127.0.0.1')
assert isinstance(req.copy(), AnotherRequest)
def test_url(self):
req = Request(url='https://фtest.example.com/ some spaceв?ä=c',)
assert req.url == 'https://xn--test-z6d.example.com/%20some%20space%D0%B2?%C3%A4=c'
assert Request(url='//example.com').url == 'http://example.com'
with pytest.raises(TypeError):
Request(url='https://').url = None
class TestResponse:
@pytest.mark.parametrize('reason,status,expected', [
('custom', 200, 'custom'),
(None, 404, 'Not Found'), # fallback status
('', 403, 'Forbidden'),
(None, 999, None)
])
def test_reason(self, reason, status, expected):
res = Response(io.BytesIO(b''), url='test://', headers={}, status=status, reason=reason)
assert res.reason == expected
def test_headers(self):
headers = Message()
headers.add_header('Test', 'test')
headers.add_header('Test', 'test2')
headers.add_header('content-encoding', 'br')
res = Response(io.BytesIO(b''), headers=headers, url='test://')
assert res.headers.get_all('test') == ['test', 'test2']
assert 'Content-Encoding' in res.headers
def test_get_header(self):
headers = Message()
headers.add_header('Set-Cookie', 'cookie1')
headers.add_header('Set-cookie', 'cookie2')
headers.add_header('Test', 'test')
headers.add_header('Test', 'test2')
res = Response(io.BytesIO(b''), headers=headers, url='test://')
assert res.get_header('test') == 'test, test2'
assert res.get_header('set-Cookie') == 'cookie1'
assert res.get_header('notexist', 'default') == 'default'
def test_compat(self):
res = Response(io.BytesIO(b''), url='test://', status=404, headers={'test': 'test'})
with warnings.catch_warnings():
warnings.simplefilter('ignore', category=DeprecationWarning)
assert res.code == res.getcode() == res.status
assert res.geturl() == res.url
assert res.info() is res.headers
assert res.getheader('test') == res.get_header('test')
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