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##############################################################################
#
# Copyright (c) 2012 Zope Foundation 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.
#
##############################################################################
"""Tests for z.c.factory
"""
import unittest
from zope.component.tests import fails_if_called
class FactoryTests(unittest.TestCase):
def _getTargetClass(self):
from zope.component.factory import Factory
return Factory
def _makeOne(self, callable=None, *args, **kw):
if callable is None:
callable = fails_if_called(self)
return self._getTargetClass()(callable, *args, **kw)
def test_class_conforms_to_IFactory(self):
from zope.interface.verify import verifyClass
from zope.component.interfaces import IFactory
verifyClass(IFactory, self._getTargetClass())
def test_instance_conforms_to_IFactory(self):
from zope.interface.verify import verifyObject
from zope.component.interfaces import IFactory
verifyObject(IFactory, self._makeOne())
def test_ctor_defaults(self):
func = fails_if_called(self)
factory = self._makeOne(func)
self.assertEqual(factory._callable, func)
self.assertEqual(factory.title, '')
self.assertEqual(factory.description, '')
self.assertEqual(factory._interfaces, None)
def test_ctor_expclit(self):
factory = self._makeOne(fails_if_called(self), 'TITLE', 'DESCRIPTION')
self.assertEqual(factory.title, 'TITLE')
self.assertEqual(factory.description, 'DESCRIPTION')
def test___call___no_args(self):
_called = []
def _callable(*args, **kw):
_called.append((args, kw))
factory = self._makeOne(_callable)
factory()
self.assertEqual(_called, [((), {})])
def test___call___positional_args(self):
_called = []
def _callable(*args, **kw):
_called.append((args, kw))
factory = self._makeOne(_callable)
factory('one', 'two')
self.assertEqual(_called, [(('one', 'two'), {})])
def test___call___keyword_args(self):
_called = []
def _callable(*args, **kw):
_called.append((args, kw))
factory = self._makeOne(_callable)
factory(foo='bar')
self.assertEqual(_called, [((), {'foo': 'bar'})])
def test_getInterfaces_explicit(self):
from zope.interface import Interface
from zope.interface import implementer
class IFoo(Interface):
pass
class IBar(Interface):
pass
class IBaz(Interface):
pass
_callable = fails_if_called(self)
_callable.__name__ = '_callable'
_callable = implementer(IBaz)(_callable)
factory = self._makeOne(_callable, interfaces=(IFoo, IBar))
spec = factory.getInterfaces()
self.assertEqual(spec.__name__, '_callable')
self.assertEqual(list(spec), [IFoo, IBar])
def test_getInterfaces_implicit(self):
from zope.interface import Interface
from zope.interface import implementer
class IBaz(Interface):
pass
_callable = implementer(IBaz)(fails_if_called(self))
factory = self._makeOne(_callable)
spec = factory.getInterfaces()
self.assertEqual(list(spec), [IBaz])
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