def test_is_implemented_by():
from giblets import Component, ComponentManager, ExtensionPoint
from giblets import ExtensionInterface, implements, is_implemented_by
class IFoo(ExtensionInterface):
pass
class IBar(ExtensionInterface):
pass
class Foo(Component):
implements(IFoo)
class Bar(Component):
implements(IBar)
mgr = ComponentManager()
foo = Foo(mgr)
bar = Bar(mgr)
assert is_implemented_by(Foo, IFoo)
assert is_implemented_by(foo, IFoo)
assert not is_implemented_by(Foo, IBar)
assert not is_implemented_by(foo, IBar)
assert is_implemented_by(Bar, IBar)
assert is_implemented_by(bar, IBar)
assert not is_implemented_by(Bar, IFoo)
assert not is_implemented_by(bar, IFoo)
def test_is_implemented_by_implements_only():
from giblets import Component, ComponentManager, ExtensionPoint
from giblets import ExtensionInterface, implements, is_implemented_by
from giblets import implements_only
class IVehicle(ExtensionInterface):
pass
class IFloat(ExtensionInterface):
pass
class IBoat(IVehicle):
pass
class Sailboat(Component):
implements(IBoat, IFloat)
mgr = ComponentManager()
sailboat = Sailboat(mgr)
assert is_implemented_by(Sailboat, IBoat)
assert is_implemented_by(sailboat, IBoat)
assert is_implemented_by(Sailboat, IFloat)
assert is_implemented_by(sailboat, IFloat)
assert is_implemented_by(Sailboat, IVehicle)
assert is_implemented_by(sailboat, IVehicle)
class Sloop(Sailboat):
pass
sloop = Sloop(mgr)
assert is_implemented_by(Sloop, IBoat)
assert is_implemented_by(sloop, IBoat)
assert is_implemented_by(Sloop, IFloat)
assert is_implemented_by(sloop, IFloat)
assert is_implemented_by(Sloop, IVehicle)
assert is_implemented_by(sloop, IVehicle)
class BoatWithAHole(Sailboat):
implements_only(IBoat)
bwah = BoatWithAHole
assert is_implemented_by(BoatWithAHole, IBoat)
assert is_implemented_by(bwah, IBoat)
assert not is_implemented_by(BoatWithAHole, IFloat)
assert not is_implemented_by(bwah, IFloat)
assert is_implemented_by(BoatWithAHole, IVehicle)
assert is_implemented_by(bwah, IVehicle)
