40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import pytest
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from libp2p.libp2p import Libp2p
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@pytest.mark.asyncio
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async def test_simple_messages():
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libA = Libp2p(transport_opt=["/ip4/127.0.0.1/tcp/8001/ipfs/hostA"])
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libB = Libp2p(transport_opt=["/ip4/127.0.0.1/tcp/8000/ipfs/hostB"])
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hostA = await libA.new_node()
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hostB = await libB.new_node()
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async def stream_handler(stream):
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while True:
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read_string = (await stream.read()).decode()
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print("host B received:" + read_string)
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response = "ack:" + read_string
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print("sending response:" + response)
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await stream.write(response.encode())
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hostB.set_stream_handler("/echo/1.0.0", stream_handler)
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# Associate the peer with local ip address (see default parameters of Libp2p())
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hostA.get_peerstore().add_addr("hostB", "/ip4/127.0.0.1/tcp/8000", 10)
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stream = await hostA.new_stream("hostB", "/echo/1.0.0")
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messages = ["hello" + str(x) for x in range(10)]
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for message in messages:
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await stream.write(message.encode())
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response = (await stream.read()).decode()
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print("res: " + response)
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assert response == ("ack:" + message)
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# Success, terminate pending tasks.
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return
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