From 7d54af79285cca2cbfbacdd10ea3762ec6843f51 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Wed, 21 Oct 2020 09:46:14 -0400
Subject: [PATCH] re-use our other renderer

---
 src/allmydata/test/test_checker.py | 49 +++++++++++++-----------------
 1 file changed, 21 insertions(+), 28 deletions(-)

diff --git a/src/allmydata/test/test_checker.py b/src/allmydata/test/test_checker.py
index 3813ac199..3e16830e4 100644
--- a/src/allmydata/test/test_checker.py
+++ b/src/allmydata/test/test_checker.py
@@ -20,18 +20,16 @@ from bs4 import BeautifulSoup
 from twisted.trial import unittest
 from twisted.internet import defer
 
-# We need to use `nevow.inevow.IRequest` for now for compatibility
-# with the code in web/common.py.  Once nevow bits are gone from
-# web/common.py, we can use `twisted.web.iweb.IRequest` here.
-if PY2:
-    from nevow.inevow import IRequest
-else:
-    from twisted.web.iweb import IRequest
-
 from zope.interface import implementer
 from twisted.web.server import Request
 from twisted.web.test.requesthelper import DummyChannel
 from twisted.web.template import flattenString
+from twisted.web.resource import (
+    Resource,
+)
+from twisted.web.template import (
+    renderElement,
+)
 
 from allmydata import check_results, uri
 from allmydata import uri as tahoe_uri
@@ -41,6 +39,9 @@ from allmydata.interfaces import (
     ICheckAndRepairResults,
 )
 from allmydata.util import base32
+from allmydata.webish import (
+    TahoeLAFSRequest,
+)
 from allmydata.web import check_results as web_check_results
 from allmydata.storage_client import StorageFarmBroker, NativeStorageServer
 from allmydata.storage.server import storage_index_to_dir
@@ -65,24 +66,6 @@ class FakeClient(object):
     def get_storage_broker(self):
         return self.storage_broker
 
-@implementer(IRequest)
-class TestRequest(Request, object):
-    """
-    A minimal Request class to use in tests.
-
-    XXX: We have to have this class because `common.get_arg()` expects
-    a `nevow.inevow.IRequest`, which `twisted.web.server.Request`
-    isn't.  The request needs to have `args`, `fields`, `prepath`, and
-    `postpath` properties so that `allmydata.web.common.get_arg()`
-    won't complain.
-    """
-    def __init__(self, args=None, fields=None):
-        super(TestRequest, self).__init__(DummyChannel())
-        self.args = args or {}
-        self.fields = fields or {}
-        self.prepath = [b""]
-        self.postpath = [b""]
-
 
 @implementer(IServer)
 class FakeServer(object):
@@ -154,6 +137,15 @@ class FakeCheckAndRepairResults(object):
         return self._repair_success
 
 
+class ElementResource(Resource, object):
+    def __init__(self, element):
+        Resource.__init__(self)
+        self.element = element
+
+    def render(self, request):
+        return renderElement(request, self.element)
+
+
 class WebResultsRendering(unittest.TestCase):
 
     @staticmethod
@@ -190,8 +182,9 @@ class WebResultsRendering(unittest.TestCase):
         return self.successResultOf(render(resource, {"output": ["json"]}))
 
     def render_element(self, element, args=None):
-        d = flattenString(TestRequest(args), element)
-        return self.successResultOf(d)
+        if args is None:
+            args = {}
+        return self.successResultOf(render(ElementResource(element), args))
 
     def test_literal(self):
         lcr = web_check_results.LiteralCheckResultsRendererElement()