May 22, 2025 · Apr 14, 2025 · May 22, 2025
diff --git a/Lib/test/test_http_cookiejar.py b/Lib/test/test_http_cookiejar.py
 import re
 from test.support import os_helper
 from test.support import warnings_helper
 from test.support.testcase import ExtraAssertions
 import time
 import unittest
 import urllib.request
        self.assertIsNone(cookie.expires)


 class LWPCookieTests(unittest.TestCase):
 class LWPCookieTests(unittest.TestCase, ExtraAssertions):
    # Tests taken from libwww-perl, with a few modifications and additions.

    def test_netscape_example_1(self):
        h = req.get_header("Cookie")
        self.assertIn("PART_NUMBER=ROCKET_LAUNCHER_0001", h)
        self.assertIn("CUSTOMER=WILE_E_COYOTE", h)
        self.assertTrue(h.startswith("SHIPPING=FEDEX;"))
        self.assertStartsWith(h,"SHIPPING=FEDEX;")

    def test_netscape_example_2(self):
        # Second Example transaction sequence:
diff --git a/Lib/test/test_http_cookies.py b/Lib/test/test_http_cookies.py
 from http import cookies
 import pickle
 from test import support
 from test.support.testcase import ExtraAssertions


 class CookieTests(unittest.TestCase):
 class CookieTests(unittest.TestCase, ExtraAssertions):

    def test_basic(self):
        cases = [
        C = cookies.SimpleCookie('Customer="WILE_E_COYOTE"')
        C['Customer']['expires'] = 0
        # can't test exact output, it always depends on current date/time
        self.assertTrue(C.output().endswith('GMT'))
        self.assertEndsWith(C.output(),'GMT')

        # loading 'expires'
        C = cookies.SimpleCookie()
diff --git a/Lib/test/test_httplib.py b/Lib/test/test_httplib.py
 from test import support
 from test.support import os_helper
 from test.support import socket_helper
 from test.support.testcase import ExtraAssertions

 support.requires_working_socket(module=True)

    def create_connection(self, *pos, **kw):
        return FakeSocket(*self.fake_socket_args)

 class HeaderTests(TestCase):
 class HeaderTests(TestCase, ExtraAssertions):
    def test_auto_headers(self):
        # Some headers are added automatically, but should not be added by
        # .request() if they are explicitly set.
        sock = FakeSocket('')
        conn.sock = sock
        conn.request('GET', '/foo')
        self.assertTrue(sock.data.startswith(expected))
        self.assertStartsWith(sock.data,expected)

        expected = b'GET /foo HTTP/1.1\r\nHost: [2001:102A::]\r\n' \
                   b'Accept-Encoding: identity\r\n\r\n'
        conn = client.HTTPConnection('[2001:102A::]')
        sock = FakeSocket('')
        conn.sock = sock
        conn.request('GET', '/foo')
        self.assertTrue(sock.data.startswith(expected))
        self.assertStartsWith(sock.data,expected)

        expected = b'GET /foo HTTP/1.1\r\nHost: [fe80::]\r\n' \
                   b'Accept-Encoding: identity\r\n\r\n'
        conn = client.HTTPConnection('[fe80::%2]')
        sock = FakeSocket('')
        conn.sock = sock
        conn.request('GET', '/foo')
        self.assertTrue(sock.data.startswith(expected))
        self.assertStartsWith(sock.data,expected)

        expected = b'GET /foo HTTP/1.1\r\nHost: [fe80::]:81\r\n' \
                   b'Accept-Encoding: identity\r\n\r\n'
        conn = client.HTTPConnection('[fe80::%2]:81')
        sock = FakeSocket('')
        conn.sock = sock
        conn.request('GET', '/foo')
        self.assertTrue(sock.data.startswith(expected))
        self.assertStartsWith(sock.data,expected)

    def test_malformed_headers_coped_with(self):
        # Issue 19996
        self.assertIsNotNone(resp.getheader('obs-text'))
        self.assertIn('obs-text', resp.msg)
        for folded in (resp.getheader('obs-fold'), resp.msg['obs-fold']):
            self.assertTrue(folded.startswith('text'))
            self.assertStartsWith(folded,'text')
            self.assertIn(' folded with space', folded)
            self.assertTrue(folded.endswith('folded with tab'))
            self.assertEndsWith(folded,'folded with tab')

    def test_invalid_headers(self):
        conn = client.HTTPConnection('example.com')
        return b''.join(body)


 class BasicTest(TestCase):
 class BasicTest(TestCase, ExtraAssertions):
    def test_dir_with_added_behavior_on_status(self):
        # see issue40084
        self.assertTrue({'description', 'name', 'phrase', 'value'} <= set(dir(HTTPStatus(404))))
            sock = FakeSocket(body)
            conn.sock = sock
            conn.request('GET', '/foo', body)
            self.assertTrue(sock.data.startswith(expected), '%r != %r' %
                    (sock.data[:len(expected)], expected))
            self.assertStartsWith(sock.data, expected)

    def test_send(self):
        expected = b'this is a test this is only a test'
        conn.putrequest('GET', '/☃')


 class ExtendedReadTest(TestCase):
 class ExtendedReadTest(TestCase, ExtraAssertions):
    """
    Test peek(), read1(), readline()
    """
                # then unbounded peek
                p2 = resp.peek()
                self.assertGreaterEqual(len(p2), len(p))
                self.assertTrue(p2.startswith(p))
                self.assertStartsWith(p2, p)
                next = resp.read(len(p2))
                self.assertEqual(next, p2)
            else:
            line = readline(limit)
            if line and line != b"foo":
                if len(line) < 5:
                    self.assertTrue(line.endswith(b"\n"))
                    self.assertEndsWith(line,b"\n")
            all.append(line)
            if not line:
                break
            raise


 class OfflineTest(TestCase):
 class OfflineTest(TestCase, ExtraAssertions):
    def test_all(self):
        # Documented objects defined in the module should be in __all__
        expected = {"responses"}  # Allowlist documented dict() object
        ]
        for const in expected:
            with self.subTest(constant=const):
                self.assertTrue(hasattr(client, const))
                self.assertHasAttr(client, const)


 class SourceAddressTest(TestCase):
        header = self.resp.getheader('No-Such-Header',default=42)
        self.assertEqual(header, 42)

 class TunnelTests(TestCase):
 class TunnelTests(TestCase, ExtraAssertions):
    def setUp(self):
        response_text = (
            'HTTP/1.1 200 OK\r\n\r\n' # Reply to CONNECT
                msg=f'unexpected number of send calls: {mock_send.mock_calls}')
        proxy_setup_data_sent = mock_send.mock_calls[0][1][0]
        self.assertIn(b'CONNECT destination.com', proxy_setup_data_sent)
        self.assertTrue(
                proxy_setup_data_sent.endswith(b'\r\n\r\n'),
        self.assertEndsWith(proxy_setup_data_sent, b'\r\n\r\n',
                msg=f'unexpected proxy data sent {proxy_setup_data_sent!r}')

    def test_connect_put_request(self):
diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
 from test.support import (
    is_apple, os_helper, requires_subprocess, threading_helper
 )
 from test.support.testcase import ExtraAssertions

 support.requires_working_socket(module=True)

        self.join()


 class BaseTestCase(unittest.TestCase):
 class BaseTestCase(unittest.TestCase, ExtraAssertions):
    def setUp(self):
        self._threads = threading_helper.threading_setup()
        os.environ = os_helper.EnvironmentVarGuard()
            self.con.request('GET', '/')
            self.con.getresponse()

        self.assertTrue(
            err.getvalue().endswith('"GET / HTTP/1.1" 200 -\n'))
        self.assertEndsWith(err.getvalue(), '"GET / HTTP/1.1" 200 -\n')

    def test_err(self):
        self.con = http.client.HTTPConnection(self.HOST, self.PORT)
            self.con.getresponse()

        lines = err.getvalue().split('\n')
        self.assertTrue(lines[0].endswith('code 404, message File not found'))
        self.assertTrue(lines[1].endswith('"ERROR / HTTP/1.1" 404 -'))
        self.assertEndsWith(lines[0],'code 404, message File not found')
        self.assertEndsWith(lines[1],'"ERROR / HTTP/1.1" 404 -')


 class SimpleHTTPServerTestCase(BaseTestCase):
        response = self.request(attack_url)
        self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
        location = response.getheader('Location')
        self.assertFalse(location.startswith('//'), msg=location)
        self.assertNotStartsWith(location,'//')
        self.assertEqual(location, expected_location,
                msg='Expected Location header to start with a single / and '
                'end with a / as this is a directory redirect.')
        # We're just ensuring that the scheme and domain make it through, if
        # there are or aren't multiple slashes at the start of the path that
        # follows that isn't important in this Location: header.
        self.assertTrue(location.startswith('https://pypi.org/'), msg=location)
        self.assertStartsWith(location,'https://pypi.org/')

    def test_get(self):
        #constructs the path relative to the root directory of the HTTPServer
        return len(self.datas)


 class BaseHTTPRequestHandlerTestCase(unittest.TestCase):
 class BaseHTTPRequestHandlerTestCase(unittest.TestCase, ExtraAssertions):
    """Test the functionality of the BaseHTTPServer.

       Test the support for the Expect 100-continue header.
            b'Host: dummy\r\n'
            b'\r\n'
        )
        self.assertTrue(result[0].startswith(b'HTTP/1.1 400 '))
        self.assertStartsWith(result[0],b'HTTP/1.1 400 ')
        self.verify_expected_headers(result[1:result.index(b'\r\n')])
        self.assertFalse(self.handler.get_called)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -6,6 +6,7 @@
		import re
		from test.support import os_helper
		from test.support import warnings_helper
		from test.support.testcase import ExtraAssertions
		import time
		import unittest
		import urllib.request
Expand DownExpand Up		@@ -1436,7 +1437,7 @@ def cookiejar_from_cookie_headers(headers):
		self.assertIsNone(cookie.expires)


		class LWPCookieTests(unittest.TestCase):
		class LWPCookieTests(unittest.TestCase, ExtraAssertions):
		# Tests taken from libwww-perl, with a few modifications and additions.

		def test_netscape_example_1(self):
Expand DownExpand Up		@@ -1528,7 +1529,7 @@ def test_netscape_example_1(self):
		h = req.get_header("Cookie")
		self.assertIn("PART_NUMBER=ROCKET_LAUNCHER_0001", h)
		self.assertIn("CUSTOMER=WILE_E_COYOTE", h)
		self.assertTrue(h.startswith("SHIPPING=FEDEX;"))
		self.assertStartsWith(h,"SHIPPING=FEDEX;")

		def test_netscape_example_2(self):
		# Second Example transaction sequence:
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -6,9 +6,10 @@
		from http import cookies
		import pickle
		from test import support
		from test.support.testcase import ExtraAssertions


		class CookieTests(unittest.TestCase):
		class CookieTests(unittest.TestCase, ExtraAssertions):

		def test_basic(self):
		cases = [
Expand DownExpand Up		@@ -180,7 +181,7 @@ def test_special_attrs(self):
		C = cookies.SimpleCookie('Customer="WILE_E_COYOTE"')
		C['Customer']['expires'] = 0
		# can't test exact output, it always depends on current date/time
		self.assertTrue(C.output().endswith('GMT'))
		self.assertEndsWith(C.output(),'GMT')

		# loading 'expires'
		C = cookies.SimpleCookie()
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -16,6 +16,7 @@
		from test import support
		from test.support import os_helper
		from test.support import socket_helper
		from test.support.testcase import ExtraAssertions

		support.requires_working_socket(module=True)

Expand DownExpand Up		@@ -134,7 +135,7 @@ def connect(self):
		def create_connection(self, pos, *kw):
		return FakeSocket(*self.fake_socket_args)

		class HeaderTests(TestCase):
		class HeaderTests(TestCase, ExtraAssertions):
		def test_auto_headers(self):
		# Some headers are added automatically, but should not be added by
		# .request() if they are explicitly set.
Expand DownExpand Up		@@ -273,31 +274,31 @@ def test_ipv6host_header(self):
		sock = FakeSocket('')
		conn.sock = sock
		conn.request('GET', '/foo')
		self.assertTrue(sock.data.startswith(expected))
		self.assertStartsWith(sock.data,expected)

		expected = b'GET /foo HTTP/1.1\r\nHost: [2001:102A::]\r\n' \
		b'Accept-Encoding: identity\r\n\r\n'
		conn = client.HTTPConnection('[2001:102A::]')
		sock = FakeSocket('')
		conn.sock = sock
		conn.request('GET', '/foo')
		self.assertTrue(sock.data.startswith(expected))
		self.assertStartsWith(sock.data,expected)

		expected = b'GET /foo HTTP/1.1\r\nHost: [fe80::]\r\n' \
		b'Accept-Encoding: identity\r\n\r\n'
		conn = client.HTTPConnection('[fe80::%2]')
		sock = FakeSocket('')
		conn.sock = sock
		conn.request('GET', '/foo')
		self.assertTrue(sock.data.startswith(expected))
		self.assertStartsWith(sock.data,expected)

		expected = b'GET /foo HTTP/1.1\r\nHost: [fe80::]:81\r\n' \
		b'Accept-Encoding: identity\r\n\r\n'
		conn = client.HTTPConnection('[fe80::%2]:81')
		sock = FakeSocket('')
		conn.sock = sock
		conn.request('GET', '/foo')
		self.assertTrue(sock.data.startswith(expected))
		self.assertStartsWith(sock.data,expected)

		def test_malformed_headers_coped_with(self):
		# Issue 19996
Expand DownExpand Up		@@ -335,9 +336,9 @@ def test_parse_all_octets(self):
		self.assertIsNotNone(resp.getheader('obs-text'))
		self.assertIn('obs-text', resp.msg)
		for folded in (resp.getheader('obs-fold'), resp.msg['obs-fold']):
		self.assertTrue(folded.startswith('text'))
		self.assertStartsWith(folded,'text')
		self.assertIn(' folded with space', folded)
		self.assertTrue(folded.endswith('folded with tab'))
		self.assertEndsWith(folded,'folded with tab')

		def test_invalid_headers(self):
		conn = client.HTTPConnection('example.com')
Expand DownExpand Up		@@ -537,7 +538,7 @@ def _parse_chunked(self, data):
		return b''.join(body)


		class BasicTest(TestCase):
		class BasicTest(TestCase, ExtraAssertions):
		def test_dir_with_added_behavior_on_status(self):
		# see issue40084
		self.assertTrue({'description', 'name', 'phrase', 'value'} <= set(dir(HTTPStatus(404))))
Expand DownExpand Up		@@ -989,8 +990,7 @@ def test_send_file(self):
		sock = FakeSocket(body)
		conn.sock = sock
		conn.request('GET', '/foo', body)
		self.assertTrue(sock.data.startswith(expected), '%r != %r' %
		(sock.data[:len(expected)], expected))
		self.assertStartsWith(sock.data, expected)

		def test_send(self):
		expected = b'this is a test this is only a test'
Expand DownExpand Up		@@ -1494,7 +1494,7 @@ def _encode_request(self, str_url):
		conn.putrequest('GET', '/☃')


		class ExtendedReadTest(TestCase):
		class ExtendedReadTest(TestCase, ExtraAssertions):
		"""
		Test peek(), read1(), readline()
		"""
Expand DownExpand Up		@@ -1553,7 +1553,7 @@ def mypeek(n=-1):
		# then unbounded peek
		p2 = resp.peek()
		self.assertGreaterEqual(len(p2), len(p))
		self.assertTrue(p2.startswith(p))
		self.assertStartsWith(p2, p)
		next = resp.read(len(p2))
		self.assertEqual(next, p2)
		else:
Expand All		@@ -1578,7 +1578,7 @@ def _verify_readline(self, readline, expected, limit=5):
		line = readline(limit)
		if line and line != b"foo":
		if len(line) < 5:
		self.assertTrue(line.endswith(b"\n"))
		self.assertEndsWith(line,b"\n")
		all.append(line)
		if not line:
		break
Expand DownExpand Up		@@ -1687,7 +1687,7 @@ def readline(self, limit):
		raise


		class OfflineTest(TestCase):
		class OfflineTest(TestCase, ExtraAssertions):
		def test_all(self):
		# Documented objects defined in the module should be in __all__
		expected = {"responses"} # Allowlist documented dict() object
Expand DownExpand Up		@@ -1773,7 +1773,7 @@ def test_client_constants(self):
		]
		for const in expected:
		with self.subTest(constant=const):
		self.assertTrue(hasattr(client, const))
		self.assertHasAttr(client, const)


		class SourceAddressTest(TestCase):
Expand DownExpand Up		@@ -2241,7 +2241,7 @@ def test_getting_header_defaultint(self):
		header = self.resp.getheader('No-Such-Header',default=42)
		self.assertEqual(header, 42)

		class TunnelTests(TestCase):
		class TunnelTests(TestCase, ExtraAssertions):
		def setUp(self):
		response_text = (
		'HTTP/1.1 200 OK\r\n\r\n' # Reply to CONNECT
Expand DownExpand Up		@@ -2415,8 +2415,7 @@ def test_tunnel_connect_single_send_connection_setup(self):
		msg=f'unexpected number of send calls: {mock_send.mock_calls}')
		proxy_setup_data_sent = mock_send.mock_calls[0][1][0]
		self.assertIn(b'CONNECT destination.com', proxy_setup_data_sent)
		self.assertTrue(
		proxy_setup_data_sent.endswith(b'\r\n\r\n'),
		self.assertEndsWith(proxy_setup_data_sent, b'\r\n\r\n',
		msg=f'unexpected proxy data sent {proxy_setup_data_sent!r}')

		def test_connect_put_request(self):
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -33,6 +33,7 @@
		from test.support import (
		is_apple, os_helper, requires_subprocess, threading_helper
		)
		from test.support.testcase import ExtraAssertions

		support.requires_working_socket(module=True)

Expand DownExpand Up		@@ -66,7 +67,7 @@ def stop(self):
		self.join()


		class BaseTestCase(unittest.TestCase):
		class BaseTestCase(unittest.TestCase, ExtraAssertions):
		def setUp(self):
		self._threads = threading_helper.threading_setup()
		os.environ = os_helper.EnvironmentVarGuard()
Expand DownExpand Up		@@ -335,8 +336,7 @@ def test_get(self):
		self.con.request('GET', '/')
		self.con.getresponse()

		self.assertTrue(
		err.getvalue().endswith('"GET / HTTP/1.1" 200 -\n'))
		self.assertEndsWith(err.getvalue(), '"GET / HTTP/1.1" 200 -\n')

		def test_err(self):
		self.con = http.client.HTTPConnection(self.HOST, self.PORT)
Expand All		@@ -347,8 +347,8 @@ def test_err(self):
		self.con.getresponse()

		lines = err.getvalue().split('\n')
		self.assertTrue(lines[0].endswith('code 404, message File not found'))
		self.assertTrue(lines[1].endswith('"ERROR / HTTP/1.1" 404 -'))
		self.assertEndsWith(lines[0],'code 404, message File not found')
		self.assertEndsWith(lines[1],'"ERROR / HTTP/1.1" 404 -')


		class SimpleHTTPServerTestCase(BaseTestCase):
Expand DownExpand Up		@@ -550,7 +550,7 @@ def test_get_dir_redirect_location_domain_injection_bug(self):
		response = self.request(attack_url)
		self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
		location = response.getheader('Location')
		self.assertFalse(location.startswith('//'), msg=location)
		self.assertNotStartsWith(location,'//')
		self.assertEqual(location, expected_location,
		msg='Expected Location header to start with a single / and '
		'end with a / as this is a directory redirect.')
Expand All		@@ -573,7 +573,7 @@ def test_get_dir_redirect_location_domain_injection_bug(self):
		# We're just ensuring that the scheme and domain make it through, if
		# there are or aren't multiple slashes at the start of the path that
		# follows that isn't important in this Location: header.
		self.assertTrue(location.startswith('https://pypi.org/'), msg=location)
		self.assertStartsWith(location,'https://pypi.org/')

		def test_get(self):
		#constructs the path relative to the root directory of the HTTPServer
Expand DownExpand Up		@@ -1074,7 +1074,7 @@ def numWrites(self):
		return len(self.datas)


		class BaseHTTPRequestHandlerTestCase(unittest.TestCase):
		class BaseHTTPRequestHandlerTestCase(unittest.TestCase, ExtraAssertions):
		"""Test the functionality of the BaseHTTPServer.

		Test the support for the Expect 100-continue header.
Expand DownExpand Up		@@ -1162,7 +1162,7 @@ def test_extra_space(self):
		b'Host: dummy\r\n'
		b'\r\n'
		)
		self.assertTrue(result[0].startswith(b'HTTP/1.1 400 '))
		self.assertStartsWith(result[0],b'HTTP/1.1 400 ')
		self.verify_expected_headers(result[1:result.index(b'\r\n')])
		self.assertFalse(self.handler.get_called)

Expand Down