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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-06-04 06:40
__init__.py	107 B	-rw-r--r--	2026-05-22 14:58
_util.py	3.26 KB	-rw-r--r--	2026-05-22 14:58
injectionhelpers.py	5.46 KB	-rw-r--r--	2026-05-22 14:58
requesthelper.py	15.07 KB	-rw-r--r--	2026-05-22 14:58
test_agent.py	119.75 KB	-rw-r--r--	2026-05-22 14:58
test_cgi.py	14.76 KB	-rw-r--r--	2026-05-22 14:58
test_client.py	1.52 KB	-rw-r--r--	2026-05-22 14:58
test_distrib.py	17.58 KB	-rw-r--r--	2026-05-22 14:58
test_domhelpers.py	11.18 KB	-rw-r--r--	2026-05-22 14:58
test_error.py	16.37 KB	-rw-r--r--	2026-05-22 14:58
test_flatten.py	25.67 KB	-rw-r--r--	2026-05-22 14:58
test_html.py	1.21 KB	-rw-r--r--	2026-05-22 14:58
test_http.py	153.63 KB	-rw-r--r--	2026-05-22 14:58
test_http2.py	105.17 KB	-rw-r--r--	2026-05-22 14:58
test_http_headers.py	24.38 KB	-rw-r--r--	2026-05-22 14:58
test_httpauth.py	23.23 KB	-rw-r--r--	2026-05-22 14:58
test_newclient.py	106.8 KB	-rw-r--r--	2026-05-22 14:58
test_pages.py	3.56 KB	-rw-r--r--	2026-05-22 14:58
test_proxy.py	19.57 KB	-rw-r--r--	2026-05-22 14:58
test_resource.py	10.37 KB	-rw-r--r--	2026-05-22 14:58
test_script.py	3.91 KB	-rw-r--r--	2026-05-22 14:58
test_soap.py	3.04 KB	-rw-r--r--	2026-05-22 14:58
test_stan.py	7.08 KB	-rw-r--r--	2026-05-22 14:58
test_static.py	66.6 KB	-rw-r--r--	2026-05-22 14:58
test_tap.py	11.86 KB	-rw-r--r--	2026-05-22 14:58
test_template.py	28.38 KB	-rw-r--r--	2026-05-22 14:58
test_util.py	14.76 KB	-rw-r--r--	2026-05-22 14:58
test_vhost.py	7.49 KB	-rw-r--r--	2026-05-22 14:58
test_web.py	67.52 KB	-rw-r--r--	2026-05-22 14:58
test_web__responses.py	837 B	-rw-r--r--	2026-05-22 14:58
test_webclient.py	11.52 KB	-rw-r--r--	2026-05-22 14:58
test_wsgi.py	73.83 KB	-rw-r--r--	2026-05-22 14:58
test_xml.py	42.28 KB	-rw-r--r--	2026-05-22 14:58
test_xmlrpc.py	29.85 KB	-rw-r--r--	2026-05-22 14:58

Rename

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Test L{twisted.web.pages}
"""

from typing import cast

from twisted.trial.unittest import SynchronousTestCase
from twisted.web.http_headers import Headers
from twisted.web.iweb import IRequest
from twisted.web.pages import errorPage, forbidden, notFound
from twisted.web.resource import IResource
from twisted.web.test.requesthelper import DummyRequest

def _render(resource: IResource) -> DummyRequest:
    """
    Render a response using the given resource.

@param resource: The resource to use to handle the request.

@returns: The request that the resource handled,
    """
    request = DummyRequest([b""])
    # The cast is necessary because DummyRequest isn't annotated
    # as an IRequest, and this can't be trivially done. See
    # https://github.com/twisted/twisted/issues/11719
    resource.render(cast(IRequest, request))
    return request

class ErrorPageTests(SynchronousTestCase):
    """
    Test L{twisted.web.pages._ErrorPage} and its public aliases L{errorPage},
    L{notFound} and L{forbidden}.
    """

maxDiff = None

def assertResponse(self, request: DummyRequest, code: int, body: bytes) -> None:
        self.assertEqual(request.responseCode, code)
        self.assertEqual(
            request.responseHeaders,
            Headers({b"content-type": [b"text/html; charset=utf-8"]}),
        )
        self.assertEqual(
            # Decode to str because unittest somehow still doesn't diff bytes
            # without truncating them in 2022.
            b"".join(request.written).decode("latin-1"),
            body.decode("latin-1"),
        )

def test_escapesHTML(self) -> None:
        """
        The I{brief} and I{detail} parameters are HTML-escaped on render.
        """
        self.assertResponse(
            _render(errorPage(400, "A & B", "<script>alert('oops!')")),
            400,
            (
                b"<!DOCTYPE html>\n"
                b"<html><head><title>400 - A &amp; B</title></head>"
                b"<body><h1>A &amp; B</h1><p>&lt;script&gt;alert('oops!')"
                b"</p></body></html>"
            ),
        )

def test_getChild(self) -> None:
        """
        The C{getChild} method of the resource returned by L{errorPage} returns
        the L{_ErrorPage} it is called on.
        """
        page = errorPage(404, "foo", "bar")
        self.assertIs(
            page.getChild(b"name", cast(IRequest, DummyRequest([b""]))),
            page,
        )

def test_notFoundDefaults(self) -> None:
        """
        The default arguments to L{twisted.web.pages.notFound} produce
        a reasonable error page.
        """
        self.assertResponse(
            _render(notFound()),
            404,
            (
                b"<!DOCTYPE html>\n"
                b"<html><head><title>404 - No Such Resource</title></head>"
                b"<body><h1>No Such Resource</h1>"
                b"<p>Sorry. No luck finding that resource.</p>"
                b"</body></html>"
            ),
        )

def test_forbiddenDefaults(self) -> None:
        """
        The default arguments to L{twisted.web.pages.forbidden} produce
        a reasonable error page.
        """
        self.assertResponse(
            _render(forbidden()),
            403,
            (
                b"<!DOCTYPE html>\n"
                b"<html><head><title>403 - Forbidden Resource</title></head>"
                b"<body><h1>Forbidden Resource</h1>"
                b"<p>Sorry, resource is forbidden.</p>"
                b"</body></html>"
            ),
        )