260 lines
10 KiB
Python
260 lines
10 KiB
Python
# type: ignore
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# To add typing to this module, it's better to do it after refactoring test cases into classes
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import pytest
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import trio
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from libp2p.tools.constants import FLOODSUB_PROTOCOL_ID
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from libp2p.tools.utils import connect
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SUPPORTED_PROTOCOLS = [FLOODSUB_PROTOCOL_ID]
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FLOODSUB_PROTOCOL_TEST_CASES = [
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{
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"name": "simple_two_nodes",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["A", "B"],
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"adj_list": {"A": ["B"]},
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"topic_map": {"topic1": ["B"]},
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"messages": [{"topics": ["topic1"], "data": b"foo", "node_id": "A"}],
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},
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{
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"name": "three_nodes_two_topics",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["A", "B", "C"],
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"adj_list": {"A": ["B"], "B": ["C"]},
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"topic_map": {"topic1": ["B", "C"], "topic2": ["B", "C"]},
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"messages": [
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{"topics": ["topic1"], "data": b"foo", "node_id": "A"},
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{"topics": ["topic2"], "data": b"Alex is tall", "node_id": "A"},
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],
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},
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{
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"name": "two_nodes_one_topic_single_subscriber_is_sender",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["A", "B"],
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"adj_list": {"A": ["B"]},
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"topic_map": {"topic1": ["B"]},
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"messages": [{"topics": ["topic1"], "data": b"Alex is tall", "node_id": "B"}],
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},
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{
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"name": "two_nodes_one_topic_two_msgs",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["A", "B"],
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"adj_list": {"A": ["B"]},
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"topic_map": {"topic1": ["B"]},
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"messages": [
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{"topics": ["topic1"], "data": b"Alex is tall", "node_id": "B"},
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{"topics": ["topic1"], "data": b"foo", "node_id": "A"},
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],
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},
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{
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"name": "seven_nodes_tree_one_topics",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["1", "2", "3", "4", "5", "6", "7"],
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"adj_list": {"1": ["2", "3"], "2": ["4", "5"], "3": ["6", "7"]},
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"topic_map": {"astrophysics": ["2", "3", "4", "5", "6", "7"]},
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"messages": [{"topics": ["astrophysics"], "data": b"e=mc^2", "node_id": "1"}],
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},
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{
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"name": "seven_nodes_tree_three_topics",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["1", "2", "3", "4", "5", "6", "7"],
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"adj_list": {"1": ["2", "3"], "2": ["4", "5"], "3": ["6", "7"]},
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"topic_map": {
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"astrophysics": ["2", "3", "4", "5", "6", "7"],
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"space": ["2", "3", "4", "5", "6", "7"],
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"onions": ["2", "3", "4", "5", "6", "7"],
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},
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"messages": [
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{"topics": ["astrophysics"], "data": b"e=mc^2", "node_id": "1"},
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{"topics": ["space"], "data": b"foobar", "node_id": "1"},
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{"topics": ["onions"], "data": b"I am allergic", "node_id": "1"},
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],
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},
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{
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"name": "seven_nodes_tree_three_topics_diff_origin",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["1", "2", "3", "4", "5", "6", "7"],
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"adj_list": {"1": ["2", "3"], "2": ["4", "5"], "3": ["6", "7"]},
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"topic_map": {
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"astrophysics": ["1", "2", "3", "4", "5", "6", "7"],
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"space": ["1", "2", "3", "4", "5", "6", "7"],
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"onions": ["1", "2", "3", "4", "5", "6", "7"],
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},
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"messages": [
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{"topics": ["astrophysics"], "data": b"e=mc^2", "node_id": "1"},
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{"topics": ["space"], "data": b"foobar", "node_id": "4"},
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{"topics": ["onions"], "data": b"I am allergic", "node_id": "7"},
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],
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},
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{
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"name": "three_nodes_clique_two_topic_diff_origin",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["1", "2", "3"],
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"adj_list": {"1": ["2", "3"], "2": ["3"]},
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"topic_map": {"astrophysics": ["1", "2", "3"], "school": ["1", "2", "3"]},
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"messages": [
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{"topics": ["astrophysics"], "data": b"e=mc^2", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic", "node_id": "1"},
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],
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},
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{
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"name": "four_nodes_clique_two_topic_diff_origin_many_msgs",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["1", "2", "3", "4"],
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"adj_list": {
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"1": ["2", "3", "4"],
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"2": ["1", "3", "4"],
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"3": ["1", "2", "4"],
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"4": ["1", "2", "3"],
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},
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"topic_map": {
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"astrophysics": ["1", "2", "3", "4"],
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"school": ["1", "2", "3", "4"],
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},
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"messages": [
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{"topics": ["astrophysics"], "data": b"e=mc^2", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar2", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic2", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar3", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic3", "node_id": "1"},
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],
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},
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{
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"name": "five_nodes_ring_two_topic_diff_origin_many_msgs",
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"supported_protocols": SUPPORTED_PROTOCOLS,
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"nodes": ["1", "2", "3", "4", "5"],
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"adj_list": {"1": ["2"], "2": ["3"], "3": ["4"], "4": ["5"], "5": ["1"]},
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"topic_map": {
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"astrophysics": ["1", "2", "3", "4", "5"],
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"school": ["1", "2", "3", "4", "5"],
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},
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"messages": [
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{"topics": ["astrophysics"], "data": b"e=mc^2", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar2", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic2", "node_id": "1"},
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{"topics": ["school"], "data": b"foobar3", "node_id": "2"},
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{"topics": ["astrophysics"], "data": b"I am allergic3", "node_id": "1"},
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],
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},
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]
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floodsub_protocol_pytest_params = [
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pytest.param(test_case, id=test_case["name"])
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for test_case in FLOODSUB_PROTOCOL_TEST_CASES
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]
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async def perform_test_from_obj(obj, pubsub_factory) -> None:
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"""
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Perform pubsub tests from a test object, which is composed as follows:
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.. code-block:: python
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{
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"supported_protocols": ["supported/protocol/1.0.0",...],
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"adj_list": {
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"node1": ["neighbor1_of_node1", "neighbor2_of_node1", ...],
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"node2": ["neighbor1_of_node2", "neighbor2_of_node2", ...],
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...
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},
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"topic_map": {
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"topic1": ["node1_subscribed_to_topic1", "node2_subscribed_to_topic1", ...]
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},
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"messages": [
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{
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"topics": ["topic1_for_message", "topic2_for_message", ...],
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"data": b"some contents of the message (newlines are not supported)",
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"node_id": "message sender node id"
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},
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...
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]
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}
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.. note::
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In adj_list, for any neighbors A and B, only list B as a neighbor of A
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or B as a neighbor of A once. Do NOT list both A: ["B"] and B:["A"] as the behavior
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is undefined (even if it may work)
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"""
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# Step 1) Create graph
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adj_list = obj["adj_list"]
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node_list = obj["nodes"]
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node_map = {}
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pubsub_map = {}
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async with pubsub_factory(
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number=len(node_list), protocols=obj["supported_protocols"]
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) as pubsubs:
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for node_id_str, pubsub in zip(node_list, pubsubs):
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node_map[node_id_str] = pubsub.host
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pubsub_map[node_id_str] = pubsub
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# Connect nodes and wait at least for 2 seconds
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async with trio.open_nursery() as nursery:
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for start_node_id in adj_list:
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# For each neighbor of start_node, create if does not yet exist,
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# then connect start_node to neighbor
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for neighbor_id in adj_list[start_node_id]:
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nursery.start_soon(
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connect, node_map[start_node_id], node_map[neighbor_id]
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)
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nursery.start_soon(trio.sleep, 2)
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# Step 2) Subscribe to topics
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queues_map = {}
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topic_map = obj["topic_map"]
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async def subscribe_node(node_id, topic):
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if node_id not in queues_map:
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queues_map[node_id] = {}
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# Avoid repeated works
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if topic in queues_map[node_id]:
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# Checkpoint
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await trio.lowlevel.checkpoint()
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return
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sub = await pubsub_map[node_id].subscribe(topic)
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queues_map[node_id][topic] = sub
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async with trio.open_nursery() as nursery:
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for topic, node_ids in topic_map.items():
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for node_id in node_ids:
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nursery.start_soon(subscribe_node, node_id, topic)
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nursery.start_soon(trio.sleep, 2)
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# Step 3) Publish messages
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topics_in_msgs_ordered = []
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messages = obj["messages"]
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for msg in messages:
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topics = msg["topics"]
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data = msg["data"]
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node_id = msg["node_id"]
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# Publish message
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# TODO: Should be single RPC package with several topics
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for topic in topics:
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await pubsub_map[node_id].publish(topic, data)
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# For each topic in topics, add (topic, node_id, data) tuple to ordered test list
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for topic in topics:
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topics_in_msgs_ordered.append((topic, node_id, data))
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# Allow time for publishing before continuing
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await trio.sleep(1)
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# Step 4) Check that all messages were received correctly.
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for topic, origin_node_id, data in topics_in_msgs_ordered:
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# Look at each node in each topic
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for node_id in topic_map[topic]:
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# Get message from subscription queue
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msg = await queues_map[node_id][topic].get()
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assert data == msg.data
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# Check the message origin
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assert node_map[origin_node_id].get_id().to_bytes() == msg.from_id
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