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# Copyright (C) 2023 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for QtAsyncio'''
import unittest
import asyncio
from PySide6.QtAsyncio import QAsyncioEventLoopPolicy
class QAsyncioTestCase(unittest.TestCase):
async def sleep(self, output):
output += "Hello"
await asyncio.sleep(0.2)
output += "World"
async def gather(self, output):
await asyncio.gather(self.sleep(output), self.sleep(output), self.sleep(output))
def test_sleep(self):
outputs_expected = []
outputs_real = []
# Run the code without QAsyncioEventLoopPolicy
asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
asyncio.run(self.sleep(outputs_expected))
# Run the code with QAsyncioEventLoopPolicy and QtEventLoop
asyncio.set_event_loop_policy(QAsyncioEventLoopPolicy())
asyncio.run(self.sleep(outputs_real))
self.assertEqual(outputs_expected, outputs_real)
def test_gather(self):
outputs_expected = []
outputs_real = []
# Run the code without QAsyncioEventLoopPolicy
asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
asyncio.run(self.gather(outputs_expected))
# Run the code with QAsyncioEventLoopPolicy and QtEventLoop
asyncio.set_event_loop_policy(QAsyncioEventLoopPolicy())
asyncio.run(self.gather(outputs_real))
self.assertEqual(outputs_expected, outputs_real)
if __name__ == '__main__':
unittest.main()
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