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test_HTTPBasicAuthHelper.py

##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights
# Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this
# distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
import unittest
from Products.PluggableAuthService.tests.conformance \
     import ILoginPasswordHostExtractionPlugin_conformance
from Products.PluggableAuthService.tests.conformance \
     import IChallengePlugin_conformance
from Products.PluggableAuthService.tests.conformance \
     import ICredentialsUpdatePlugin_conformance
from Products.PluggableAuthService.tests.conformance \
     import ICredentialsResetPlugin_conformance

class FauxHTTPRequest:

    def __init__( self, name=None, password=None ):

        self._name = name
        self._password = password

    def _authUserPW( self ):

        if self._name is None:
            return None

        return self._name, self._password

    def get(self, name, default=None):
        return getattr(self, name, default)

class FauxHTTPResponse:

    _unauthorized_called = 0
    realm = 'unit test'
    debug_mode = 0
    headers = {}

    def unauthorized( self ):

        self._unauthorized_called = 1

    def setStatus(self, status, reason=None):

        self.status = status

    def setHeader(self, name, value, literal=0):

        self.headers[name] = value

    def addHeader(self, name, value):

        self.headers[name] = value

    def setBody(self, body, is_error=0):
        self.body = body


class HTTPBasicAuthHelperTests( unittest.TestCase
                              , ILoginPasswordHostExtractionPlugin_conformance
                              , IChallengePlugin_conformance
                              , ICredentialsResetPlugin_conformance
                              ):

    def _getTargetClass( self ):

        from Products.PluggableAuthService.plugins.HTTPBasicAuthHelper \
            import HTTPBasicAuthHelper

        return HTTPBasicAuthHelper

    def _makeOne( self, id='test', *args, **kw ):

        return self._getTargetClass()( id=id, *args, **kw )

    def test_extractCredentials_no_creds( self ):

        helper = self._makeOne()
        request = FauxHTTPRequest()

        self.assertEqual( helper.extractCredentials( request ), {} )

    def test_extractCredentials_with_creds( self ):

        helper = self._makeOne()
        request = FauxHTTPRequest( 'foo', 'bar' )

        self.assertEqual( helper.extractCredentials( request )
                        , { 'login' : 'foo', 'password' : 'bar',
                            'remote_host': '', 'remote_address': '' } )

    def test_challenge( self ):
        from zExceptions import Unauthorized

        helper = self._makeOne()
        request = FauxHTTPRequest()
        response = FauxHTTPResponse()

        self.failIf( response._unauthorized_called )
        helper.challenge(request, response)
        self.failUnless(response.status, 401)
        self.failUnless(response.headers['WWW-Authenticate'],
            'basic realm="unit test"')


    def test_resetCredentials( self ):

        helper = self._makeOne()
        request = FauxHTTPRequest()
        response = FauxHTTPResponse()

        self.failIf( response._unauthorized_called )
        helper.resetCredentials( request, response )
        self.failUnless( response._unauthorized_called )

if __name__ == "__main__":
    unittest.main()

def test_suite():
    return unittest.TestSuite((
        unittest.makeSuite( HTTPBasicAuthHelperTests ),
        ))

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