Provides decorator to announce the presence of a server to a host machine.
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import asyncio
import sys
from unittest.mock import patch
if sys.version_info >= (3, 8):
from unittest.mock import AsyncMock
else:
from asynctest import CoroutineMock as AsyncMock
import pytest
from announce_server import _announce_server, announce_server
@pytest.mark.asyncio
async def test_announce_server_decorator(event_loop, mocker):
# Mock the _announce_server function to prevent actual connections
mocker.patch("announce_server._announce_server")
# Sample function to be decorated
async def sample_async_function():
await asyncio.sleep(1)
return "Hello, world!"
# Decorate the sample function with announce_server
decorated_function = announce_server(
name="test_server",
ip="127.0.0.1",
port=8000,
host_ip="127.0.0.1",
host_port=5000,
loop=event_loop, # Pass the current event loop
)(sample_async_function)
# Run the decorated function
task = await decorated_function()
await asyncio.sleep(1.1) # Sleep slightly longer than sample_async_function
task.cancel() # Cancel the task
# Check if the _announce_server function was called with the correct arguments
announce_server._announce_server.assert_called_once_with(
name="test_server",
ip="127.0.0.1",
port=8000,
host_ip="127.0.0.1",
host_port=5000,
)
# Check if the decorated function returns the expected result
result = await sample_async_function()
assert result == "Hello, world!"