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import unittest
import yappi
import utils
import asyncio
import tempfile
try:
import aiofiles
HAS_AIOFILES = True
except ImportError:
HAS_AIOFILES = False
try:
from aiohttp import web
import aiohttp
HAS_AIOHTTP = True
except ImportError:
HAS_AIOHTTP = False
# A test file containing advanced asyncio tests which have to be verified
# manually.
class Manual(utils.AergiaUnitTestCase):
@unittest.skipIf(not HAS_AIOHTTP,
"Skipping 'test_fetch' because aiohttp "
"could not be imported.")
def test_fetch(self):
async def handle(request):
return web.Response(text="Hello, world")
def get_runner():
app = web.Application()
app.router.add_get('/', handle)
return web.AppRunner(app)
async def start_server():
await runner.setup()
site = web.TCPSite(runner, 'localhost', 8080)
await site.start()
async def stop_server():
await runner.cleanup()
async def fetch(url):
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
return await response.text()
async def query(urls):
tasks = [fetch(url) for url in urls]
return await asyncio.gather(*tasks)
async def main():
await start_server()
# wait for server to start
await asyncio.sleep(1)
urls = ['http://localhost:8080'] * 150
await query(urls)
await stop_server()
print('')
runner = get_runner()
yappi.start()
asyncio.run(main())
yappi.stop()
self.yappi_print_traceable_results(yappi.get_func_stats())
runner = get_runner()
self.Aergia.start()
asyncio.run(main())
self.Aergia.print_samples()
self.Aergia.stop()
print('')
@unittest.skipIf(not HAS_AIOHTTP,
"Skipping 'test_fetch_with_burn' because aiohttp "
"could not be imported.")
def test_fetch_with_burn(self):
async def handle(request):
utils.burn_cpu(0.05)
return web.Response(text="Hello, world")
def get_runner():
app = web.Application()
app.router.add_get('/', handle)
return web.AppRunner(app)
async def start_server():
await runner.setup()
site = web.TCPSite(runner, 'localhost', 8080)
await site.start()
async def stop_server():
await runner.cleanup()
async def fetch(url):
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
return await response.text()
async def query(urls):
tasks = [fetch(url) for url in urls]
return await asyncio.gather(*tasks)
async def main():
await start_server()
# wait for server to start
await asyncio.sleep(1)
urls = ['http://localhost:8080'] * 150
await query(urls)
await stop_server()
print('')
runner = get_runner()
yappi.start()
asyncio.run(main())
yappi.stop()
self.yappi_print_traceable_results(yappi.get_func_stats())
runner = get_runner()
self.Aergia.start()
asyncio.run(main())
self.Aergia.print_samples()
self.Aergia.stop()
print('')
@unittest.skipIf(not HAS_AIOFILES,
"Skipping 'test_file' because aiofiles "
"could not be imported.")
def test_file(self):
async def write_file(filename, content):
async with aiofiles.open(filename, mode='w') as f:
await f.write(content)
async def read_file(filename):
async with aiofiles.open(filename, mode='r') as f:
content = await f.read()
return content
async def read_lots(filename, iterations):
tasks = [read_file(filename) for _ in range(iterations)]
await asyncio.gather(*tasks)
async def main():
# Create a temp file (/tmp)
with tempfile.NamedTemporaryFile(delete=True, suffix='.txt') as temp_file:
filename = temp_file.name
content = 'Hello, World!'
# write the file
await write_file(filename, content)
# read the file 200 times
await read_lots(filename, 200)
print('')
yappi.start()
asyncio.run(main())
yappi.stop()
self.yappi_print_traceable_results(yappi.get_func_stats())
self.Aergia.start()
asyncio.run(main())
self.Aergia.print_samples()
self.Aergia.stop()
print('')
@unittest.skipIf(not HAS_AIOFILES,
"Skipping 'test_file_with_burn' because aiofiles "
"could not be imported.")
def test_file_with_burn(self):
async def write_file(filename, content):
async with aiofiles.open(filename, mode='w') as f:
await f.write(content)
async def read_file(filename):
utils.burn_cpu(0.05)
async with aiofiles.open(filename, mode='r') as f:
content = await f.read()
return content
async def read_lots(filename, iterations):
tasks = [read_file(filename) for _ in range(iterations)]
await asyncio.gather(*tasks)
async def main():
# Create a temp file (/tmp)
with tempfile.NamedTemporaryFile(delete=False, suffix='.txt') as temp_file:
filename = temp_file.name
content = 'Hello, World!'
# write the file
await write_file(filename, content)
# read the file 200 times
await read_lots(filename, 200)
print('')
yappi.start()
asyncio.run(main())
yappi.stop()
self.yappi_print_traceable_results(yappi.get_func_stats())
self.Aergia.start()
asyncio.run(main())
self.Aergia.print_samples()
self.Aergia.stop()
print('')
|
