def test_int_not_in_ckt(self):
model = FlexModel.load_model_file('test/parallel_link_model_test_topology.csv')
model.update_simulation()
node_f = model.get_node_object('F')
node_x = model.get_node_object('X')
new_int = Interface('F-to-X', 100, 100, node_f, node_x, 90)
model.interface_objects.add(new_int)
err_msg = "WARNING: These interfaces were not matched"
with self.assertRaises(ModelException) as context:
model.update_simulation()
self.assertIn(err_msg, context.exception.args[0])
def test_non_unique_interface_name(self):
model = FlexModel.load_model_file('test/parallel_link_model_test_topology.csv')
model.update_simulation()
node_f = model.get_node_object('F')
node_b = model.get_node_object('B')
new_int = Interface('F-to-B', 100, 100, node_f, node_b, 80)
model.interface_objects.add(new_int)
err_msg = "No matching Interface Object found"
with self.assertRaises(ModelException) as context:
model.update_simulation()
self.assertIn(err_msg, context.exception.args[0])
def test_duplicate_interface(self):
model = FlexModel.load_model_file('test/parallel_link_model_test_topology.csv')
model.update_simulation()
node_a = model.get_node_object('A')
node_b = model.get_node_object('B')
int_a_b = Interface('A-to-B', 4, 100, node_a, node_b, 67)
err_msg = "Interface names must be unique per node"
model.interface_objects.add(int_a_b)
with self.assertRaises(ModelException) as context:
model._unique_interface_per_node()
self.assertIn(err_msg, context.exception.args[0])
def test_demand_on_lsp(self):
"""
Ensure the demand takes an available LSP
:return:
"""
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,
address=1)
interface_b = Interface(name='inerfaceB-to-A',
cost=4,
capacity=100,
node_object=node_b,
remote_node_object=node_a,
address=1)
dmd_a_b = Demand(node_a, node_b, traffic=10)
lsp_a_b = RSVP_LSP(source_node_object=node_a,
dest_node_object=node_b,
lsp_name='lsp_a_b')
model = Model(interface_objects=set([interface_a, interface_b]),
node_objects=set([node_a, node_b, node_d]),
demand_objects=set([dmd_a_b]),
rsvp_lsp_objects=set([lsp_a_b]))
model.update_simulation()
self.assertEqual(
str(dmd_a_b.path),
"[RSVP_LSP(source = nodeA, dest = nodeB, lsp_name = 'lsp_a_b')]")
def test_add_orphan_interface(self):
"""
Tests adding an unpaired Interface to the model's interface_objects set
"""
model = FlexModel.load_model_file('test/parallel_link_model_test_topology.csv')
model.update_simulation()
node_a = model.get_node_object('A')
node_b = model.get_node_object('B')
orphan_int = Interface('A-to-B', 100, 100, node_a, node_b, circuit_id=80)
model.interface_objects.add(orphan_int)
err_msg = "No matching Interface Object found"
with self.assertRaises(ModelException) as context:
model.update_simulation()
self.assertIn(err_msg, context.exception.args[0])
