def test_to_ns2_directed(self):
t = fnss.DirectedTopology()
t.add_path([1, 2, 3, 4])
fnss.set_capacities_constant(t, 10, 'Gbps')
fnss.set_delays_constant(t, 2, 'us')
fnss.set_buffer_sizes_constant(t, 20, 'packets')
fnss.to_ns2(t, path.join(TMP_DIR, 'ns2-dir.tcl'), stacks=False)
def test_to_omnetpp_directed(self):
t = fnss.DirectedTopology()
t.add_path([1, 2, 3, 4])
fnss.set_capacities_constant(t, 10, 'Gbps')
fnss.set_delays_constant(t, 2, 'us')
fnss.set_buffer_sizes_constant(t, 20, 'packets')
fnss.to_omnetpp(t, path.join(TMP_DIR, 'omnetpp-dir.ned'))
def test_buffer_sizes_bw_delay_prod_no_return_path(self):
topo = fnss.DirectedTopology()
topo.add_edge(1, 2, weight=1)
topo.add_edge(1, 3, weight=1)
topo.add_edge(3, 2, weight=1)
fnss.set_capacities_constant(topo, 10)
fnss.set_delays_constant(topo, 2)
self.assertRaises(ValueError, fnss.set_buffer_sizes_bw_delay_prod, topo)
def test_fan_in_out_capacities_directed(self):
dir_topology = fnss.DirectedTopology()
dir_topology.add_edge(0, 1)
dir_topology.add_edge(1, 0)
dir_topology.add_edge(1, 2)
dir_topology.add_edge(3, 2)
fnss.set_capacities_constant(dir_topology, 10, 'Mbps')
in_cap, out_cap = fnss.fan_in_out_capacities(dir_topology)
self.assertEqual({0: 10, 1: 10, 2: 20, 3: 0}, in_cap)
self.assertEqual({0: 10, 1: 20, 2: 0, 3: 10}, out_cap)
def test_od_pairs_from_topology_directed(self):
dir_topology = fnss.DirectedTopology()
dir_topology.add_edge(0, 1)
dir_topology.add_edge(1, 0)
dir_topology.add_edge(1, 2)
dir_topology.add_edge(3, 2)
dir_topology.add_edge(8, 9)
expected_od_pairs = [(0, 1), (0, 2), (1, 0), (1, 2), (3, 2), (8, 9)]
od_pairs = fnss.od_pairs_from_topology(dir_topology)
self.assertEqual(len(expected_od_pairs), len(od_pairs))
for od in expected_od_pairs:
self.assertTrue(od in od_pairs)
def test_validate_traffic_matrix(self):
topology = fnss.DirectedTopology()
topology.add_path([1, 2, 3])
topology.add_path([3, 2, 1])
topology.add_edge(3, 4)
fnss.set_capacities_constant(topology, 1, 'Mbps')
flows_valid_load = {1: {3: 0.4}, 2: {4: 0.3}}
flows_invalid_load = {1: {3: 0.4}, 2: {4: 0.7}}
flows_invalid_routes = {4: {1: 0.4}}
flows_invalid_pairs = {5: {2: 0.1}}
self.assertTrue(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_valid_load),
validate_load=False))
self.assertTrue(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_valid_load),
validate_load=True))
self.assertTrue(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_invalid_load),
validate_load=False))
self.assertFalse(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_invalid_load),
validate_load=True))
self.assertFalse(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_invalid_routes),
validate_load=False))
self.assertFalse(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_invalid_routes),
validate_load=True))
self.assertFalse(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_invalid_pairs),
validate_load=False))
self.assertFalse(
fnss.validate_traffic_matrix(topology,
fnss.TrafficMatrix(
'Mbps', flows_invalid_pairs),
validate_load=True))
def test_directed_topology_class(self):
topology = fnss.DirectedTopology()
topology.add_edge(1, 2)
topology.add_edge(2, 1)
self.assertEqual(2, topology.number_of_edges())