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# Copyright (c) 2009 Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.web.resource}.
"""
from twisted.trial.unittest import TestCase
from twisted.web import error
from twisted.web.http import NOT_FOUND, FORBIDDEN
from twisted.web.resource import ErrorPage, NoResource, ForbiddenResource
from twisted.web.test.test_web import DummyRequest
class ErrorPageTests(TestCase):
"""
Tests for L{ErrorPage}, L{NoResource}, and L{ForbiddenResource}.
"""
errorPage = ErrorPage
noResource = NoResource
forbiddenResource = ForbiddenResource
def test_getChild(self):
"""
The C{getChild} method of L{ErrorPage} returns the L{ErrorPage} it is
called on.
"""
page = self.errorPage(321, "foo", "bar")
self.assertIdentical(page.getChild("name", object()), page)
def _pageRenderingTest(self, page, code, brief, detail):
request = DummyRequest([''])
self.assertEqual(
page.render(request),
"\n"
"<html>\n"
" <head><title>%s - %s</title></head>\n"
" <body>\n"
" <h1>%s</h1>\n"
" <p>%s</p>\n"
" </body>\n"
"</html>\n" % (code, brief, brief, detail))
self.assertEqual(request.responseCode, code)
self.assertEqual(
request.outgoingHeaders, {'content-type': 'text/html'})
def test_errorPageRendering(self):
"""
L{ErrorPage.render} returns a C{str} describing the error defined by
the response code and message passed to L{ErrorPage.__init__}. It also
uses that response code to set the response code on the L{Request}
passed in.
"""
code = 321
brief = "brief description text"
detail = "much longer text might go here"
page = self.errorPage(code, brief, detail)
self._pageRenderingTest(page, code, brief, detail)
def test_noResourceRendering(self):
"""
L{NoResource} sets the HTTP I{NOT FOUND} code.
"""
detail = "long message"
page = self.noResource(detail)
self._pageRenderingTest(page, NOT_FOUND, "No Such Resource", detail)
def test_forbiddenResourceRendering(self):
"""
L{ForbiddenResource} sets the HTTP I{FORBIDDEN} code.
"""
detail = "longer message"
page = self.forbiddenResource(detail)
self._pageRenderingTest(page, FORBIDDEN, "Forbidden Resource", detail)
class DeprecatedErrorPageTests(ErrorPageTests):
"""
Tests for L{error.ErrorPage}, L{error.NoResource}, and
L{error.ForbiddenResource}.
"""
def errorPage(self, *args):
return error.ErrorPage(*args)
def noResource(self, *args):
return error.NoResource(*args)
def forbiddenResource(self, *args):
return error.ForbiddenResource(*args)
def _assertWarning(self, name, offendingFunction):
warnings = self.flushWarnings([offendingFunction])
self.assertEqual(len(warnings), 1)
self.assertEqual(warnings[0]['category'], DeprecationWarning)
self.assertEqual(
warnings[0]['message'],
'twisted.web.error.%s is deprecated since Twisted 9.0. '
'See twisted.web.resource.%s.' % (name, name))
def test_getChild(self):
"""
Like L{ErrorPageTests.test_getChild}, but flush the deprecation warning
emitted by instantiating L{error.ErrorPage}.
"""
ErrorPageTests.test_getChild(self)
self._assertWarning('ErrorPage', self.errorPage)
def test_errorPageRendering(self):
"""
Like L{ErrorPageTests.test_errorPageRendering}, but flush the
deprecation warning emitted by instantiating L{error.ErrorPage}.
"""
ErrorPageTests.test_errorPageRendering(self)
self._assertWarning('ErrorPage', self.errorPage)
def test_noResourceRendering(self):
"""
Like L{ErrorPageTests.test_noResourceRendering}, but flush the
deprecation warning emitted by instantiating L{error.NoResource}.
"""
ErrorPageTests.test_noResourceRendering(self)
self._assertWarning('NoResource', self.noResource)
def test_forbiddenResourceRendering(self):
"""
Like L{ErrorPageTests.test_forbiddenResourceRendering}, but flush the
deprecation warning emitted by instantiating
L{error.ForbiddenResource}.
"""
ErrorPageTests.test_forbiddenResourceRendering(self)
self._assertWarning('ForbiddenResource', self.forbiddenResource)
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