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test_network.py
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test_network.py
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import unittest
import time
from unittest import TestCase
from network import Network, Node
class NetworkTest(TestCase):
def setUp(self):
self.nodes = []
def tearDown(self):
for node in self.nodes:
node.socket.close()
def test_network_nodes_are_correctly_parsed(self):
node_ids = [1, 2]
node_addresses = [
('127.0.0.1', 5001), ('127.0.0.1', 5002)
]
network = Network(node_ids, node_addresses)
node1 = Node(network, 1, ('127.0.0.1', 5001))
node2 = Node(network, 2, ('127.0.0.1', 5002))
self.assertEqual(network.nodes,
{
1: ('127.0.0.1', 5001),
2: ('127.0.0.1', 5002)
})
self.nodes.extend([node1, node2])
def test_node_broadcast_through_network(self):
node_ids = [3, 4]
node_addresses = [
('127.0.0.1', 5003), ('127.0.0.1', 5004)
]
network = Network(node_ids, node_addresses)
node1 = Node(network, 3, ('127.0.0.1', 5003))
node2 = Node(network, 4, ('127.0.0.1', 5004))
node1.start_listening()
node2.start_listening()
node1.broadcast("Hello from node3")
time.sleep(0.1)
self.assertEqual(node2.last_message, "Hello from node3")
self.nodes.extend([node1, node2])
def test_node_broadcast_multiple_message_through_network(self):
node_ids = [5, 6]
node_addresses = [
('127.0.0.1', 5005), ('127.0.0.1', 5006)
]
network = Network(node_ids, node_addresses)
node1 = Node(network, 5, ('127.0.0.1', 5005))
node2 = Node(network, 6, ('127.0.0.1', 5006))
node1.start_listening()
node2.start_listening()
node1.broadcast("Hello from node5")
time.sleep(0.1)
self.assertEqual(node2.last_message, "Hello from node5")
self.nodes.extend([node1, node2])
node2.broadcast("Reply from node6")
time.sleep(0.1)
self.assertEqual(node1.last_message, "Reply from node6")
node1.broadcast("Hello again from node5")
time.sleep(0.1)
self.assertEqual(node2.last_message, "Hello again from node5")
def test_node_relay_through_network(self):
node_ids = [7, 8, 9]
node_addresses = [
('127.0.0.1', 5007), ('127.0.0.1', 5008),
('127.0.0.1', 5009)
]
network = Network(node_ids, node_addresses)
node1 = Node(network, 7, ('127.0.0.1', 5007))
node2 = Node(network, 8, ('127.0.0.1', 5008))
node3 = Node(network, 9, ('127.0.0.1', 5009))
node1.start_listening()
node2.start_listening()
node3.start_listening()
node1.send_to(9, "Hello from node7")
time.sleep(0.1)
self.assertEqual(node2.last_message, None)
self.assertEqual(node3.last_message, "Hello from node7")
self.nodes.extend([node1, node2, node3])
unittest.main()