forked from andrius/neohubapi
82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
import asyncio
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import json
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import pytest
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from types import SimpleNamespace
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import neohubapi
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HOST = 'localhost'
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class FakeProtocol(asyncio.Protocol):
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"""A simple asyncio protocol that returns a given message."""
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def connection_made(self, transport):
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self.transport = transport
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def data_received(self, data):
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input = data.decode()
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# self.handler() is set by create_protocol below.
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output = self.handler(input).encode() + b'\0'
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self.transport.write(output)
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self.transport.close()
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class FakeServer:
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def __init__(self, loop, port):
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self.port = port
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self.loop = loop
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async def start(self, handler):
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def create_protocol():
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fake_protocol = FakeProtocol()
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fake_protocol.handler = handler
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return fake_protocol
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self.server = await self.loop.create_server(create_protocol, HOST, self.port)
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async def close(self):
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server, self.server = self.server, None
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server.close()
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await server.wait_closed()
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@pytest.fixture()
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async def fakeserver(event_loop, unused_tcp_port):
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"""Create a fakeserver pytest fixture."""
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server = FakeServer(event_loop, unused_tcp_port)
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yield server
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await server.close()
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@pytest.mark.asyncio
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async def test_send_valid(fakeserver):
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def handler(input):
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return '{"message": "ok"}'
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await fakeserver.start(handler)
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hub = neohubapi.neohub.NeoHub(host=HOST, port=fakeserver.port)
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# expected_reply is not set: function returns the message.
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assert SimpleNamespace(message='ok') == await hub._send('test')
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# Response equals to expected_reply: function returns True.
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assert await hub._send('test', {'message': 'ok'}) is True
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# Response not equal to expected_reply: function returns False.
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assert await hub._send('test', {'message': 'not ok'}) is False
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@pytest.mark.asyncio
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async def test_send_invalid_json(fakeserver):
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def handler(input):
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return '{"message": not valid json"}'
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await fakeserver.start(handler)
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hub = neohubapi.neohub.NeoHub(host=HOST, port=fakeserver.port)
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# expected_reply is set, function returns False.
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assert await hub._send('test', {'message': 'ok'}) is False
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# expected_reply is not set, function raises exception.
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with pytest.raises(json.decoder.JSONDecodeError):
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await hub._send('test')
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