[Zope-Checkins] CVS: Zope3/lib/python/Zope/ComponentArchitecture/tests - testService.py:1.1.2.1

[Jim Fulton]

Update of /cvs-repository/Zope3/lib/python/Zope/ComponentArchitecture/tests
In directory cvs.zope.org:/tmp/cvs-serv19995/tests

Added Files:
      Tag: Zope-3x-branch
	testService.py 
Log Message:
added basic service implementation

=== Added File Zope3/lib/python/Zope/ComponentArchitecture/tests/testService.py ===
##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (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
# 
##############################################################################

from Zope.ComponentArchitecture import defineService, provideService, getService
from Zope.ComponentArchitecture import _clear
from Zope.ComponentArchitecture.Service import UndefinedService, InvalidService
from Zope.Exceptions import DuplicationError
from Interface import Interface

import unittest, sys

class IOne(Interface):
    pass

class ITwo(Interface):
    pass

class ServiceOne:
    __implements__ = IOne

class ServiceTwo:
    pass

class Test(unittest.TestCase):

    def tearDown(self):
        _clear()
        
    def testNormal(self):
        defineService('one', IOne)
        c = ServiceOne()
        provideService('one', c)
        self.assertEqual(id(getService(None, 'one')), id(c))

    def testDup(self):
        defineService('one', IOne)
        self.assertRaises(DuplicationError,
                          defineService,
                          'one', ITwo)

        c = ServiceOne()
        provideService('one', c)

        c2 = ServiceOne()
        self.assertRaises(DuplicationError,
                          provideService,
                          'one', c2)

        self.assertEqual(id(getService(None, 'one')), id(c))


    def testUndefined(self):
        c = ServiceOne()
        self.assertRaises(UndefinedService,
                          provideService,
                          'one', c)

    def testInvalid(self):
        defineService('one', IOne)
        defineService('two', ITwo)
        c = ServiceOne()
        self.assertRaises(InvalidService,
                          provideService,
                          'two', c)

def test_suite():
    loader=unittest.TestLoader()
    return loader.loadTestsFromTestCase(Test)

if __name__=='__main__':
    unittest.TextTestRunner().run(test_suite())