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# This file is part of Buildbot.  Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members

from mock import Mock

from twisted.internet import defer
from twisted.web import server

class FakeRequest(Mock):
    """
    A fake Twisted Web Request object, including some pointers to the
    buildmaster and an addChange method on that master which will append its
    arguments to self.addedChanges.
    """

    written = ''
    finished = False
    redirected_to = None
    failure = None

    def __init__(self, args={}):
        Mock.__init__(self)

        self.args = args
        self.site = Mock()
        self.site.buildbot_service = Mock()
        master = self.site.buildbot_service.master = Mock()

        self.addedChanges = []
        def addChange(**kwargs):
            self.addedChanges.append(kwargs)
            return defer.succeed(Mock())
        master.addChange = addChange

        self.deferred = defer.Deferred()

    def write(self, data):
        self.written = self.written + data

    def redirect(self, url):
        self.redirected_to = url

    def finish(self):
        self.finished = True
        self.deferred.callback(None)

    def processingFailed(self, f):
        self.deferred.errback(f)

    # work around http://code.google.com/p/mock/issues/detail?id=105
    def _get_child_mock(self, **kw):
        return Mock(**kw)

    # cribed from twisted.web.test._util._render
    def test_render(self, resource):
          result = resource.render(self)
          if isinstance(result, str):
              self.write(result)
              self.finish()
              return self.deferred
          elif result is server.NOT_DONE_YET:
              return self.deferred
          else:
              raise ValueError("Unexpected return value: %r" % (result,))