def test_neg_disagg_fib_unreachable_recover():
rib = Rib()
rib.add_route(default_prefix, default_next_hops)
rib.add_route(unreachable_prefix, unreachable_next_hops, disagg_type=False)
recovered_nodes = {"S3"}
rib.delete_route(unreachable_prefix, recovered_nodes, disagg_type=False)
assert rib.destinations.get(
unreachable_prefix)._positive_next_hops == set()
assert rib.destinations.get(unreachable_prefix)._negative_next_hops == \
unreachable_next_hops - recovered_nodes
assert rib.destinations.get(
unreachable_prefix).get_next_hops == recovered_nodes
assert rib.fib.routes[unreachable_prefix] == recovered_nodes
def test_remove_default_next_hop_with_subnet_disagg():
rib = Rib()
rib.add_route(default_prefix, default_next_hops)
rib.add_route(first_negative_disagg_prefix,
first_negative_disagg_next_hops,
disagg_type=False)
rib.add_route(subnet_disagg_prefix,
subnet_disagg_next_hops,
disagg_type=False)
failed_next_hop = {"S3"}
rib.delete_route(default_prefix, failed_next_hop)
# test for default
assert rib.destinations.get(
default_prefix
)._positive_next_hops == default_next_hops - failed_next_hop
assert rib.destinations.get(default_prefix)._negative_next_hops == set()
assert rib.destinations.get(
default_prefix).get_next_hops == default_next_hops - failed_next_hop
assert rib.fib.routes[
default_prefix] == default_next_hops - failed_next_hop
# test for 10.0.0.0/16
assert rib.destinations.get(
first_negative_disagg_prefix)._positive_next_hops == set()
assert rib.destinations.get(first_negative_disagg_prefix)._negative_next_hops == \
first_negative_disagg_next_hops
assert rib.destinations.get(first_negative_disagg_prefix).get_next_hops == \
default_next_hops - first_negative_disagg_next_hops - failed_next_hop
assert rib.fib.routes[first_negative_disagg_prefix] == \
default_next_hops - first_negative_disagg_next_hops - failed_next_hop
# test for 10.0.10.0/24
assert rib.destinations.get(
subnet_disagg_prefix)._positive_next_hops == set()
assert rib.destinations.get(subnet_disagg_prefix)._negative_next_hops == \
subnet_disagg_next_hops
assert rib.destinations.get(subnet_disagg_prefix).get_next_hops == \
default_next_hops - first_negative_disagg_next_hops - subnet_disagg_next_hops - \
failed_next_hop
assert rib.fib.routes[subnet_disagg_prefix] == \
default_next_hops - first_negative_disagg_next_hops - subnet_disagg_next_hops - \
failed_next_hop
