def test_add_lazy_property_conflicting_resource(self, app_context: ApplicationContext):
app_context.add_lazy_property(ContextScope.application, 'a', lambda ctx: 2)
exc = pytest.raises(ResourceConflict, app_context.resources.add, 2, context_var='a')
assert str(exc.value) == (
"Resource(types=('int',), alias='default', value=2, context_var='a') "
"conflicts with an application scoped lazy property")
with pytest.raises(ResourceNotFoundError):
yield from app_context.resources.request(int, timeout=0)
def test_lazy_property_duplicate(self, app_context: ApplicationContext):
app_context.add_lazy_property(ContextScope.application, 'foo', lambda ctx: None)
exc = pytest.raises(ValueError, app_context.add_lazy_property, ContextScope.application,
'foo', lambda ctx: None)
assert (str(exc.value) ==
'there is already a lazy property for "foo" on the application scope')
