tahoe-lafs/src/allmydata/test/common_web.py
Brian Warner bee05e883c test_web: remove HTTPClientGETFactory
This also changes the tests to handle the new API: URL can be unicode, and
the returned Headers object is not a dictionary.
2017-07-27 16:31:44 -07:00

72 lines
2.7 KiB
Python

import re
import treq
from twisted.internet import defer
from twisted.web.error import Error
from nevow.testutil import FakeRequest
from nevow import inevow, context
class WebRenderingMixin:
# d=page.renderString() or s=page.renderSynchronously() will exercise
# docFactory, render_*/data_* . It won't exercise want_json(), or my
# renderHTTP() override which tests want_json(). To exercise args=, we
# must build a context. Pages which use a return_to= argument need a
# context.
# d=page.renderHTTP(ctx) will exercise my renderHTTP, want_json, and
# docFactory/render_*/data_*, but it requires building a context. Since
# we're already building a context, it is easy to exercise args= .
# so, use at least two d=page.renderHTTP(ctx) per page (one for json, one
# for html), then use lots of simple s=page.renderSynchronously() to
# exercise the fine details (the ones that don't require args=).
def make_context(self, req):
ctx = context.RequestContext(tag=req)
ctx.remember(req, inevow.IRequest)
ctx.remember(None, inevow.IData)
ctx = context.WovenContext(parent=ctx, precompile=False)
return ctx
def render1(self, page, **kwargs):
# use this to exercise an overridden renderHTTP, usually for
# output=json or render_GET. It always returns a Deferred.
req = FakeRequest(**kwargs)
req.fields = None
ctx = self.make_context(req)
d = defer.maybeDeferred(page.renderHTTP, ctx)
def _done(res):
if isinstance(res, str):
return res + req.v
return req.v
d.addCallback(_done)
return d
def render2(self, page, **kwargs):
# use this to exercise the normal Nevow docFactory rendering. It
# returns a string. If one of the render_* methods returns a
# Deferred, this will throw an exception. (note that
# page.renderString is the Deferred-returning equivalent)
req = FakeRequest(**kwargs)
req.fields = None
ctx = self.make_context(req)
return page.renderSynchronously(ctx)
def failUnlessIn(self, substring, s):
self.failUnless(substring in s, s)
def remove_tags(self, s):
s = re.sub(r'<[^>]*>', ' ', s)
s = re.sub(r'\s+', ' ', s)
return s
@defer.inlineCallbacks
def do_http(method, url, **kwargs):
response = yield treq.request(method, url, persistent=False, **kwargs)
body = yield treq.content(response)
# TODO: replace this with response.fail_for_status when
# https://github.com/twisted/treq/pull/159 has landed
if 400 <= response.code < 600:
raise Error(response.code, response=body)
defer.returnValue(body)