import asyncio import multiaddr import pytest from threading import Thread from tests.utils import cleanup from libp2p import new_node from libp2p.peer.peerinfo import info_from_p2p_addr from libp2p.pubsub.pubsub import Pubsub from libp2p.pubsub.floodsub import FloodSub from dummy_account_node import DummyAccountNode # pylint: disable=too-many-locals async def connect(node1, node2): # node1 connects to node2 addr = node2.get_addrs()[0] info = info_from_p2p_addr(addr) await node1.connect(info) def create_setup_in_new_thread_func(dummy_node): def setup_in_new_thread(): asyncio.ensure_future(dummy_node.setup_crypto_networking()) return setup_in_new_thread async def perform_test(num_nodes, adjacency_map, action_func, assertion_func): """ Helper function to allow for easy construction of custom tests for dummy account nodes in various network topologies :param num_nodes: number of nodes in the test :param adjacency_map: adjacency map defining each node and its list of neighbors :param action_func: function to execute that includes actions by the nodes, such as send crypto and set crypto :param assertion_func: assertions for testing the results of the actions are correct """ # Create nodes dummy_nodes = [] for i in range(num_nodes): dummy_nodes.append(await DummyAccountNode.create()) # Create network for source_num in adjacency_map: target_nums = adjacency_map[source_num] for target_num in target_nums: await connect(dummy_nodes[source_num].libp2p_node, \ dummy_nodes[target_num].libp2p_node) # Allow time for network creation to take place await asyncio.sleep(0.25) # Start a thread for each node so that each node can listen and respond # to messages on its own thread, which will avoid waiting indefinitely # on the main thread. On this thread, call the setup func for the node, # which subscribes the node to the CRYPTO_TOPIC topic for dummy_node in dummy_nodes: thread = Thread(target=create_setup_in_new_thread_func(dummy_node)) thread.run() # Allow time for nodes to subscribe to CRYPTO_TOPIC topic await asyncio.sleep(0.25) # Perform action function await action_func(dummy_nodes) # Allow time for action function to be performed (i.e. messages to propogate) await asyncio.sleep(1) # Perform assertion function for dummy_node in dummy_nodes: assertion_func(dummy_node) # Success, terminate pending tasks. await cleanup() @pytest.mark.asyncio async def test_simple_two_nodes(): num_nodes = 2 adj_map = {0: [1]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("aspyn", 10) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 10 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_simple_three_nodes_line_topography(): num_nodes = 3 adj_map = {0: [1], 1: [2]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("aspyn", 10) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 10 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_simple_three_nodes_triangle_topography(): num_nodes = 3 adj_map = {0: [1, 2], 1: [2]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("aspyn", 20) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 20 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_simple_seven_nodes_tree_topography(): num_nodes = 7 adj_map = {0: [1, 2], 1: [3, 4], 2: [5, 6]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("aspyn", 20) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 20 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_set_then_send_from_root_seven_nodes_tree_topography(): num_nodes = 7 adj_map = {0: [1, 2], 1: [3, 4], 2: [5, 6]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("aspyn", 20) await asyncio.sleep(0.25) await dummy_nodes[0].publish_send_crypto("aspyn", "alex", 5) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 15 assert dummy_node.get_balance("alex") == 5 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_set_then_send_from_different_leafs_seven_nodes_tree_topography(): num_nodes = 7 adj_map = {0: [1, 2], 1: [3, 4], 2: [5, 6]} async def action_func(dummy_nodes): await dummy_nodes[6].publish_set_crypto("aspyn", 20) await asyncio.sleep(0.25) await dummy_nodes[4].publish_send_crypto("aspyn", "alex", 5) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 15 assert dummy_node.get_balance("alex") == 5 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_simple_five_nodes_ring_topography(): num_nodes = 5 adj_map = {0: [1], 1: [2], 2: [3], 3: [4], 4: [0]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("aspyn", 20) def assertion_func(dummy_node): assert dummy_node.get_balance("aspyn") == 20 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_set_then_send_from_diff_nodes_five_nodes_ring_topography(): num_nodes = 5 adj_map = {0: [1], 1: [2], 2: [3], 3: [4], 4: [0]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("alex", 20) await asyncio.sleep(0.25) await dummy_nodes[3].publish_send_crypto("alex", "rob", 12) def assertion_func(dummy_node): assert dummy_node.get_balance("alex") == 8 assert dummy_node.get_balance("rob") == 12 await perform_test(num_nodes, adj_map, action_func, assertion_func) @pytest.mark.asyncio async def test_set_then_send_from_five_diff_nodes_five_nodes_ring_topography(): num_nodes = 5 adj_map = {0: [1], 1: [2], 2: [3], 3: [4], 4: [0]} async def action_func(dummy_nodes): await dummy_nodes[0].publish_set_crypto("alex", 20) await asyncio.sleep(1) await dummy_nodes[1].publish_send_crypto("alex", "rob", 3) await asyncio.sleep(1) await dummy_nodes[2].publish_send_crypto("rob", "aspyn", 2) await asyncio.sleep(1) await dummy_nodes[3].publish_send_crypto("aspyn", "zx", 1) await asyncio.sleep(1) await dummy_nodes[4].publish_send_crypto("zx", "raul", 1) def assertion_func(dummy_node): assert dummy_node.get_balance("alex") == 17 assert dummy_node.get_balance("rob") == 1 assert dummy_node.get_balance("aspyn") == 1 assert dummy_node.get_balance("zx") == 0 assert dummy_node.get_balance("raul") == 1 await perform_test(num_nodes, adj_map, action_func, assertion_func)