def test_interface_view_registered_default(self):
"""If the object supports an interface, and the view is registered as
the default view, when a view is requested where no name is specified,
the default view is returned."""
class IHasInterface(Interface):
pass
class HasInterface(object):
implements(IHasInterface)
class AView(object):
for_interface = IHasInterface
name = "name"
is_default = True
def __init__(self, *args):
pass
def initialize(self):
self.initialized = True
register_view(AView)
obj = HasInterface()
view = get_view(obj, None, None)
self.assertIsInstance(view, AView)
self.assertTrue(view.initialized)
def test_interface_view_registered(self):
"""If the object supports an interface, and the view is registered,
make sure that the view is returned when asked for."""
class IHasInterface(Interface):
pass
class HasInterface(object):
implements(IHasInterface)
class AView(object):
for_interface = IHasInterface
name = "name"
def __init__(self, *args):
pass
def initialize(self):
self.initialized = True
register_view(AView)
obj = HasInterface()
view = get_view(obj, "name", None)
self.assertIsInstance(view, AView)
self.assertTrue(view.initialized)
def test_no_interfaces(self):
"""If the object supports no interfaces, there is no view."""
class NoInterfaces(object):
pass
obj = NoInterfaces()
self.assertIs(None, get_view(obj, None, None))
def test_interface_not_registered(self):
"""If the object supports an interface, but that interface is not
registered, we get no view."""
class IHasInterface(Interface):
pass
class HasInterface(object):
implements(IHasInterface)
obj = HasInterface()
self.assertIs(None, get_view(obj, None, None))
def test_registration(self):
"""Create a view class, and make sure it is registered."""
class IHasInterface(Interface):
pass
class HasInterface(object):
implements(IHasInterface)
class AView(BaseView):
for_interface = IHasInterface
name = "name"
obj = HasInterface()
view = get_view(obj, "name", None)
self.assertIsInstance(view, AView)
def _get_view(self, request, path):
"""Get the view for the path specified."""
resource_path, action = parse_url(path)
model = self.resource_factory.get_resource_at_path(resource_path)
return get_view(model, action, request, self.execution_context)
def get_view(self, factory, path, name=None, base_url=None):
info = factory.get_resource_at_path(path)
request = Request.blank(path, base_url=base_url)
return get_view(info, name, request)
