def test_interface_fields_missing_model_file_load(self):
err_msg = "node_name, remote_node_name, name, cost, and capacity must be defined for line"
with self.assertRaises(ModelException) as context:
PerformanceModel.load_model_file(
"test/interface_field_info_missing_routing_topology.csv"
)
self.assertTrue(err_msg in err_msg in context.exception.args[0])
def test_unroutable_demand(self):
node_a = Node(name='nodeA', lat=0, lon=0)
node_b = Node(name='nodeB', lat=0, lon=0)
node_d = Node(name='nodeD')
interface_a = Interface(name='inerfaceA-to-B',
cost=4,
capacity=100,
node_object=node_a,
remote_node_object=node_b,
circuit_id=1)
interface_b = Interface(name='inerfaceB-to-A',
cost=4,
capacity=100,
node_object=node_b,
remote_node_object=node_a,
circuit_id=1)
dmd_a_d = Demand(node_a, node_d, traffic=10)
model = PerformanceModel(interface_objects=set(
[interface_a, interface_b]),
node_objects=set([node_a, node_b, node_d]),
demand_objects=set([dmd_a_d]),
rsvp_lsp_objects=set([]))
model.update_simulation()
self.assertEqual(dmd_a_d.path, 'Unrouted')
def test_for_bad_node_in_lsp_data(self):
err_msg = "No Node with name Y in Model"
with self.assertRaises(ModelException) as context:
PerformanceModel.load_model_file('test/model_bad_node_in_lsp.csv')
self.assertIn(err_msg, context.exception.args[0])
def test_demand_behavior(self):
model = PerformanceModel.load_model_file(
"test/igp_routing_topology.csv")
model.update_simulation()
dmd_a_f = model.get_demand_object("A", "F", "dmd_a_f_1")
# Demand routes initially
self.assertNotEqual(dmd_a_f.path, "Unrouted")
# Demand should not route if source node is down
model.fail_node("A")
model.update_simulation()
self.assertEqual(dmd_a_f.path, "Unrouted")
# Demand should route when source node unfails
model.unfail_node("A")
model.update_simulation()
self.assertNotEqual(dmd_a_f.path, "Unrouted")
# Demand should not route when dest node fails
model.fail_node("F")
model.update_simulation()
self.assertEqual(dmd_a_f.path, "Unrouted")
# Demand should route when dest node unfails
model.unfail_node("F")
model.update_simulation()
self.assertNotEqual(dmd_a_f.path, "Unrouted")
def test_model_load_perf_model(self):
model = PerformanceModel.load_model_file(
'test/lsp_manual_metric_test_model.csv')
model.update_simulation()
lsp_a_d_1 = model.get_rsvp_lsp('A', 'D', 'lsp_a_d_1')
lsp_a_d_2 = model.get_rsvp_lsp('A', 'D', 'lsp_a_d_2')
lsp_a_d_3 = model.get_rsvp_lsp('A', 'D', 'lsp_a_d_3')
lsp_a_d_4 = model.get_rsvp_lsp('A', 'D', 'lsp_a_d_4')
self.assertEqual(lsp_a_d_1.effective_metric(model), 5)
self.assertEqual(lsp_a_d_1.manual_metric, 5)
self.assertEqual(lsp_a_d_1.topology_metric(model), 40)
self.assertEqual(lsp_a_d_1.configured_setup_bandwidth, 4)
self.assertEqual(lsp_a_d_1.setup_bandwidth, 4)
self.assertNotEqual(lsp_a_d_1.path, 'Unrouted')
self.assertEqual(lsp_a_d_2.effective_metric(model), 10)
self.assertEqual(lsp_a_d_2.manual_metric, 10)
self.assertEqual(lsp_a_d_2.topology_metric(model), 40)
self.assertNotEqual(lsp_a_d_2.path, 'Unrouted')
self.assertEqual(lsp_a_d_3.effective_metric(model), 40)
self.assertEqual(lsp_a_d_3.topology_metric(model), 40)
self.assertEqual(lsp_a_d_3.manual_metric, 'not set')
self.assertNotEqual(lsp_a_d_3.path, 'Unrouted')
self.assertEqual(lsp_a_d_4.effective_metric(model), 40)
self.assertEqual(lsp_a_d_4.manual_metric, 'not set')
self.assertEqual(lsp_a_d_4.topology_metric(model), 40)
self.assertEqual(lsp_a_d_4.configured_setup_bandwidth, 4)
self.assertEqual(lsp_a_d_4.setup_bandwidth, 4)
self.assertNotEqual(lsp_a_d_4.path, 'Unrouted')
def test_get_bad_dmd(self):
model = PerformanceModel.load_model_file("test/igp_routing_topology.csv")
model.update_simulation()
with self.assertRaises(ModelException) as context:
model.get_demand_object("F", "A", "bad_demand")
self.assertIn("no matching demand", context.exception.args[0])
def test_get_ckt(self):
model = PerformanceModel.load_model_file("test/igp_routing_topology.csv")
model.update_simulation()
ckt = model.get_circuit_object_from_interface("A-to-B", "A")
self.assertIn(ckt, model.circuit_objects)
def test_traffic_non_failed_int(self):
model = PerformanceModel.load_model_file('test/igp_routing_topology.csv')
model.update_simulation()
int_a_b = model.get_interface_object('A-to-B', 'A')
self.assertTrue(int_a_b.traffic, 20)
def setUpClass(self):
self.maxDiff = None
self.node_a = Node(name='nodeA', lat=0, lon=0)
self.node_b = Node(name='nodeB', lat=0, lon=0)
self.interface_a = Interface(name='inerfaceA-to-B',
cost=4,
capacity=100,
node_object=self.node_a,
remote_node_object=self.node_b,
circuit_id=1)
self.interface_b = Interface(name='inerfaceB-to-A',
cost=4,
capacity=100,
node_object=self.node_b,
remote_node_object=self.node_a,
circuit_id=1)
self.rsvp_lsp_a = RSVP_LSP(source_node_object=self.node_a,
dest_node_object=self.node_b,
lsp_name='A-to-B')
self.model = PerformanceModel(
interface_objects=set([self.interface_a, self.interface_b]),
node_objects=set([self.node_a, self.node_b]),
demand_objects=set([]),
rsvp_lsp_objects=set([self.rsvp_lsp_a]))
self.demand = Demand(source_node_object=self.node_a,
dest_node_object=self.node_b,
traffic=10,
name='A-to-B')
def setUpClass(self):
self.maxDiff = None
self.node_a = Node(name="nodeA", lat=0, lon=0)
self.node_b = Node(name="nodeB", lat=0, lon=0)
self.interface_a = Interface(
name="inerfaceA-to-B",
cost=4,
capacity=100,
node_object=self.node_a,
remote_node_object=self.node_b,
circuit_id=1,
)
self.interface_b = Interface(
name="inerfaceB-to-A",
cost=4,
capacity=100,
node_object=self.node_b,
remote_node_object=self.node_a,
circuit_id=1,
)
self.model = PerformanceModel(
interface_objects=set([self.interface_a, self.interface_b]),
node_objects=set([self.node_a, self.node_b]),
demand_objects=set([]),
rsvp_lsp_objects=set([]),
)
self.circuit = Circuit(self.interface_a, self.interface_b)
def test_ckt_non_failure(self):
model = PerformanceModel.load_model_file('test/igp_routing_topology.csv')
model.update_simulation()
ckt_1 = model.get_circuit_object_from_interface('A-to-B', 'A')
self.assertFalse(ckt_1.failed(model))
def test_ckt_mismatch_int_capacity_file_load(self):
err_msg = 'circuits_with_mismatched_interface_capacity'
model = PerformanceModel.load_model_file(
'test/mismatched_ckt_int_capacity_topology_file.csv')
with self.assertRaises(ModelException) as context:
model.update_simulation()
self.assertTrue(err_msg in context.exception.args[0][1][0].keys())
def test_equality(self):
model = PerformanceModel.load_model_file('test/igp_routing_topology.csv')
model.update_simulation()
ckt_1 = model.get_circuit_object_from_interface('A-to-B', 'A')
int_a, int_b = ckt_1.get_circuit_interfaces(model)
self.assertNotEqual(int_a, int_b)
def test_failed_node_interfaces(self):
model = PerformanceModel.load_model_file(
'test/model_test_topology.csv')
model.update_simulation()
model.fail_node('A')
model.update_simulation()
self.assertEqual(len(model.get_failed_interface_objects()), 8)
def test_int_in_SRLG_failed_node(self):
model = PerformanceModel.load_model_file(
"test/igp_routing_topology.csv")
model.update_simulation()
int_a_b = model.get_interface_object("A-to-B", "A")
int_b_a = int_a_b.get_remote_interface(model)
int_a_b.add_to_srlg("new_srlg", model, create_if_not_present=True)
int_a_b.add_to_srlg("new_srlg_2", model, create_if_not_present=True)
new_srlg = model.get_srlg_object("new_srlg")
model.fail_node("A")
model.fail_srlg("new_srlg")
model.update_simulation()
self.assertTrue(new_srlg.failed)
self.assertTrue(int_a_b.failed)
model.unfail_srlg("new_srlg")
model.update_simulation()
# int_a_b and int_b_a should stay failed since Node('A') is also failed
self.assertTrue(int_a_b.failed)
self.assertTrue(int_b_a.failed)
def test_node_in_two_srlgs(self):
model = PerformanceModel.load_model_file(
'test/igp_routing_topology.csv')
node_a = model.get_node_object('A')
model.update_simulation()
node_a.add_to_srlg('new_srlg', model, create_if_not_present=True)
node_a.add_to_srlg('new_srlg_2', model, create_if_not_present=True)
new_srlg = model.get_srlg_object('new_srlg')
new_srlg_2 = model.get_srlg_object('new_srlg_2')
model.fail_srlg('new_srlg')
model.fail_srlg('new_srlg_2')
model.update_simulation()
self.assertTrue(new_srlg.failed)
self.assertTrue(new_srlg_2.failed)
self.assertTrue(node_a.failed)
model.unfail_srlg('new_srlg')
model.update_simulation()
# node_a should stay failed since it's part of another SRLG
# that is still failed
self.assertTrue(node_a.failed)
def test_get_bad_srlg_no_exception(self):
model = PerformanceModel.load_model_file(
"test/igp_routing_topology.csv")
bad_srlg = model.get_srlg_object("bad_srlg", raise_exception=False)
self.assertEqual(bad_srlg, None)
def test_int_in_two_SRLGs(self):
model = PerformanceModel.load_model_file(
"test/igp_routing_topology.csv")
int_a_b = model.get_interface_object("A-to-B", "A")
model.update_simulation()
int_a_b.add_to_srlg("new_srlg", model, create_if_not_present=True)
int_a_b.add_to_srlg("new_srlg_2", model, create_if_not_present=True)
new_srlg = model.get_srlg_object("new_srlg")
new_srlg_2 = model.get_srlg_object("new_srlg_2")
model.fail_srlg("new_srlg")
model.fail_srlg("new_srlg_2")
model.update_simulation()
self.assertTrue(new_srlg.failed)
self.assertTrue(new_srlg_2.failed)
self.assertTrue(int_a_b.failed)
model.unfail_srlg("new_srlg")
model.update_simulation()
# node_a should stay failed since it's part of another SRLG
# that is still failed
self.assertTrue(int_a_b.failed)
def test_failed_int_node_srlg(self):
model = PerformanceModel.load_model_file(
"test/model_test_topology.csv")
model.update_simulation()
int_a_b = model.get_interface_object("A-to-B", "A")
int_b_a = int_a_b.get_remote_interface(model)
node_a = model.get_node_object("A")
model.add_srlg("new_srlg")
model.update_simulation()
int_a_b.add_to_srlg("new_srlg", model)
model.update_simulation()
srlg = model.get_srlg_object("new_srlg")
model.fail_node("A")
model.fail_srlg("new_srlg")
model.update_simulation()
self.assertTrue(int_a_b.failed)
self.assertTrue(int_b_a.failed)
# Unfail the SRLG, int_a_b and int_b_a should stay failed
model.unfail_srlg("new_srlg")
model.update_simulation()
self.assertFalse(srlg.failed)
self.assertTrue(node_a.failed)
self.assertTrue(int_a_b.failed)
self.assertTrue(int_b_a.failed)
def test_model_load_perf_model(self):
model = PerformanceModel.load_model_file(
"test/lsp_manual_metric_test_model.csv")
model.update_simulation()
lsp_a_d_1 = model.get_rsvp_lsp("A", "D", "lsp_a_d_1")
lsp_a_d_2 = model.get_rsvp_lsp("A", "D", "lsp_a_d_2")
lsp_a_d_3 = model.get_rsvp_lsp("A", "D", "lsp_a_d_3")
lsp_a_d_4 = model.get_rsvp_lsp("A", "D", "lsp_a_d_4")
self.assertEqual(lsp_a_d_1.effective_metric(model), 5)
self.assertEqual(lsp_a_d_1.manual_metric, 5)
self.assertEqual(lsp_a_d_1.topology_metric(model), 40)
self.assertEqual(lsp_a_d_1.configured_setup_bandwidth, 4)
self.assertEqual(lsp_a_d_1.setup_bandwidth, 4)
self.assertNotEqual(lsp_a_d_1.path, "Unrouted")
self.assertEqual(lsp_a_d_2.effective_metric(model), 10)
self.assertEqual(lsp_a_d_2.manual_metric, 10)
self.assertEqual(lsp_a_d_2.topology_metric(model), 40)
self.assertNotEqual(lsp_a_d_2.path, "Unrouted")
self.assertEqual(lsp_a_d_3.effective_metric(model), 40)
self.assertEqual(lsp_a_d_3.topology_metric(model), 40)
self.assertEqual(lsp_a_d_3.manual_metric, "not set")
self.assertNotEqual(lsp_a_d_3.path, "Unrouted")
self.assertEqual(lsp_a_d_4.effective_metric(model), 40)
self.assertEqual(lsp_a_d_4.manual_metric, "not set")
self.assertEqual(lsp_a_d_4.topology_metric(model), 40)
self.assertEqual(lsp_a_d_4.configured_setup_bandwidth, 4)
self.assertEqual(lsp_a_d_4.setup_bandwidth, 4)
self.assertNotEqual(lsp_a_d_4.path, "Unrouted")
def test_fail_node(self):
model = PerformanceModel.load_model_file(
'test/model_test_topology.csv')
model.update_simulation()
model.fail_node('A')
model.update_simulation()
self.assertTrue(model.get_node_object('A').failed)
def test_remove_interface_from_srlg(self):
model = PerformanceModel.load_model_file(
"test/model_test_topology.csv")
model.update_simulation()
int_a_b = model.get_interface_object("A-to-B", "A")
int_b_a = int_a_b.get_remote_interface(model)
model.add_srlg("new_srlg")
model.update_simulation()
int_a_b.add_to_srlg("new_srlg", model)
model.update_simulation()
srlg = model.get_srlg_object("new_srlg")
self.assertIn(int_a_b, srlg.interface_objects)
self.assertIn(int_b_a, srlg.interface_objects)
self.assertIn(srlg, int_a_b.srlgs)
self.assertIn(srlg, int_b_a.srlgs)
int_b_a.remove_from_srlg("new_srlg", model)
model.update_simulation()
self.assertNotIn(int_a_b, srlg.interface_objects)
self.assertNotIn(int_b_a, srlg.interface_objects)
self.assertNotIn(srlg, int_a_b.srlgs)
self.assertNotIn(srlg, int_b_a.srlgs)
def test_interface_in_failed_srlg(self):
model = PerformanceModel.load_model_file(
'test/model_test_topology.csv')
model.update_simulation()
int_a_b = model.get_interface_object('A-to-B', 'A')
int_b_a = int_a_b.get_remote_interface(model)
model.add_srlg('new_srlg')
model.update_simulation()
int_a_b.add_to_srlg('new_srlg', model)
model.update_simulation()
srlg = model.get_srlg_object('new_srlg')
self.assertIn(int_a_b, srlg.interface_objects)
self.assertIn(int_b_a, srlg.interface_objects)
self.assertIn(srlg, int_a_b.srlgs)
self.assertIn(srlg, int_b_a.srlgs)
self.assertFalse(int_a_b.failed)
self.assertFalse(int_b_a.failed)
model.fail_srlg('new_srlg')
model.update_simulation()
self.assertTrue(int_a_b.failed)
self.assertTrue(int_b_a.failed)
def test_get_unfailed_ints_2(self):
model = PerformanceModel.load_model_file(
'test/model_test_topology.csv')
model.update_simulation()
model.fail_interface('A-to-B', 'A')
model.update_simulation()
self.assertEqual(len(model.get_unfailed_interface_objects()), 16)
def test_duplicate_srlg(self):
model = PerformanceModel.load_model_file(
'test/igp_routing_topology.csv')
SRLG('new_srlg', model)
err_msg = 'SRLG with name new_srlg already exists in Model'
with self.assertRaises(ModelException) as context:
SRLG('new_srlg', model)
self.assertTrue(err_msg in context.exception.args[0])
def test_duplicate_srlg_2(self):
model = PerformanceModel.load_model_file(
"test/igp_routing_topology.csv")
model.add_srlg("new_srlg")
err_msg = "SRLG with name new_srlg already exists in Model"
with self.assertRaises(ModelException) as context:
model.add_srlg("new_srlg")
self.assertTrue(err_msg in context.exception.args[0])
def test_get_bad_srlg(self):
model = PerformanceModel.load_model_file(
"test/igp_routing_topology.csv")
err_msg = "No SRLG with name bad_srlg exists in Model"
with self.assertRaises(ModelException) as context:
model.get_srlg_object("bad_srlg")
self.assertTrue(err_msg in context.exception.args[0])
def test_all_paths_needed_bw(self):
model = PerformanceModel.load_model_file("test/model_test_topology.csv")
model.update_simulation()
all_paths = model.get_all_paths_reservable_bw("A", "D", False, 10)
self.assertEqual(len(all_paths["path"]), 4)
path_lengths = [len(path) for path in all_paths["path"]]
path_lengths.sort()
self.assertEqual(path_lengths, [1, 2, 2, 3])
def test_get_bad_dmd(self):
model = PerformanceModel.load_model_file(
'test/igp_routing_topology.csv')
model.update_simulation()
with self.assertRaises(ModelException) as context:
model.get_demand_object('F', 'A', 'bad_demand')
self.assertIn('no matching demand', context.exception.args[0])
def test_get_unrouted_dmds(self):
model = PerformanceModel.load_model_file("test/igp_routing_topology.csv")
model.update_simulation()
model.fail_node("D")
model.update_simulation()
dmd_a_f = model.get_demand_object("A", "F", "dmd_a_f_1")
self.assertTrue(dmd_a_f, model.get_unrouted_demand_objects())
