def test_reset_adaptation_manager(self):
ex = self.examples
adaptation_manager = get_global_adaptation_manager()
# UKStandard->EUStandard.
adaptation_manager.register_factory(
factory = ex.UKStandardToEUStandard,
from_protocol = ex.UKStandard,
to_protocol = ex.EUStandard,
)
# Create a UKPlug.
uk_plug = ex.UKPlug()
reset_global_adaptation_manager()
adaptation_manager = get_global_adaptation_manager()
with self.assertRaises(AdaptationError):
adaptation_manager.adapt(uk_plug, ex.EUStandard)
def test_reset_adaptation_manager(self):
ex = self.examples
adaptation_manager = get_global_adaptation_manager()
# UKStandard->EUStandard.
adaptation_manager.register_factory(
factory=ex.UKStandardToEUStandard,
from_protocol=ex.UKStandard,
to_protocol=ex.EUStandard,
)
# Create a UKPlug.
uk_plug = ex.UKPlug()
reset_global_adaptation_manager()
adaptation_manager = get_global_adaptation_manager()
with self.assertRaises(AdaptationError):
adaptation_manager.adapt(uk_plug, ex.EUStandard)
def test_set_adaptation_manager(self):
ex = self.examples
adaptation_manager = AdaptationManager()
# UKStandard->EUStandard.
adaptation_manager.register_factory(factory=ex.UKStandardToEUStandard,
from_protocol=ex.UKStandard,
to_protocol=ex.EUStandard)
# Create a UKPlug.
uk_plug = ex.UKPlug()
set_global_adaptation_manager(adaptation_manager)
global_adaptation_manager = get_global_adaptation_manager()
eu_plug = global_adaptation_manager.adapt(uk_plug, ex.EUStandard)
self.assertIsNotNone(eu_plug)
self.assertIsInstance(eu_plug, ex.UKStandardToEUStandard)
def test_set_adaptation_manager(self):
ex = self.examples
adaptation_manager = AdaptationManager()
# UKStandard->EUStandard.
adaptation_manager.register_factory(
factory = ex.UKStandardToEUStandard,
from_protocol = ex.UKStandard,
to_protocol = ex.EUStandard
)
# Create a UKPlug.
uk_plug = ex.UKPlug()
set_global_adaptation_manager(adaptation_manager)
global_adaptation_manager = get_global_adaptation_manager()
eu_plug = global_adaptation_manager.adapt(uk_plug, ex.EUStandard)
self.assertIsNotNone(eu_plug)
self.assertIsInstance(eu_plug, ex.UKStandardToEUStandard)
import sys
from traits.testing.unittest_tools import unittest
from traits.adaptation.api import get_global_adaptation_manager, \
set_global_adaptation_manager
from traits.api import HasTraits, Adapter, adapts, AdaptsTo, \
implements, Instance, Int, Interface, List, Supports, TraitError
# Using the deprecated class advisor "adapts", the registration of adapters
# occurs globally at class definition time. Since other tests will reset the
# global adaptation manager, the registration will be lost.
# That's why we save a reference to the current global adaptation manager.
_adaptation_manager = get_global_adaptation_manager()
#------------------------------------------------------------------------------
# Test 'Interface' definitions:
#------------------------------------------------------------------------------
# 'adapts' and 'implements' are not supported in Python 3.
if sys.version_info < (3,):
class IFoo(Interface):
def get_foo(self):
""" Returns the current foo. """
from __future__ import absolute_import
import sys
from traits.testing.unittest_tools import unittest
from traits.adaptation.api import get_global_adaptation_manager, \
set_global_adaptation_manager
from traits.api import HasTraits, Adapter, adapts, AdaptsTo, \
implements, Instance, Int, Interface, List, Supports, TraitError
# Using the deprecated class advisor "adapts", the registration of adapters
# occurs globally at class definition time. Since other tests will reset the
# global adaptation manager, the registration will be lost.
# That's why we save a reference to the current global adaptation manager.
_adaptation_manager = get_global_adaptation_manager()
if sys.version_info[0] >= 3:
import nose
raise nose.SkipTest("""
Currently, under Python 3, class advisors do not work anymore.
Therefore, this test will fail due to the use of "adapts".
""")
#------------------------------------------------------------------------------
# Test 'Interface' definitions:
#------------------------------------------------------------------------------
class IFoo(Interface):
copy : IContext
"""
copy = self.clone_traits()
checkpointable_subcontext = adapt(self.subcontext, ICheckpointable)
copy.subcontext = checkpointable_subcontext.checkpoint()
return copy
# Define adaptation offers from IContext to other context protocols using
# DataContext.
data_context_offer = AdaptationOffer(
factory=lambda x: DataContext(subcontext=x),
from_protocol=IContext,
to_protocol=IDataContext)
def register_i_context_adapter_offers(adaptation_manager):
""" Register adapters from the `dict` object to `codetools` protocols.
1) `dict` provides the `IContext` interface
2) `dict` can be adapted to `ICheckpointable`
"""
adaptation_manager.register_offer(data_context_offer)
# For backward compatibility, we register the adapters from `dict` globally
# at import time.
register_i_context_adapter_offers(get_global_adaptation_manager())
"""
copy = self.clone_traits()
checkpointable_subcontext = adapt(self.subcontext, ICheckpointable)
copy.subcontext = checkpointable_subcontext.checkpoint()
return copy
# Define adaptation offers from IContext to other context protocols using
# DataContext.
data_context_offer = AdaptationOffer(
factory=lambda x: DataContext(subcontext=x),
from_protocol=IContext,
to_protocol=IDataContext
)
def register_i_context_adapter_offers(adaptation_manager):
""" Register adapters from the `dict` object to `codetools` protocols.
1) `dict` provides the `IContext` interface
2) `dict` can be adapted to `ICheckpointable`
"""
adaptation_manager.register_offer(data_context_offer)
# For backward compatibility, we register the adapters from `dict` globally
# at import time.
register_i_context_adapter_offers(get_global_adaptation_manager())