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import utils
import asyncio
import threading
class BasicUsage(utils.AergiaUnitTestCase):
def test_asyncless(self):
def a():
x = 100
while x > 0:
x -= 1
self.Aergia.start()
a()
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFalse(samples)
def test_sequential_tasks(self):
delay = 0.2
num_times = 5
async def b(tot, num):
await asyncio.sleep(delay)
return tot + num
async def a():
tot = 0
for i in range(num_times):
tot = await b(tot, i)
assert tot == 10
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('b',
[self.expected_samples(delay * num_times)],
samples)
def test_simultaneous_tasks(self):
delay = 0.2
async def b(): await asyncio.sleep(delay)
async def a(): await asyncio.gather(b(), b(), b())
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('b', [self.expected_samples(delay * 3)],
samples)
# TODO samples from gather all execution time, should we trace this?
self.assertFuncContains('a', [self.expected_samples(delay)], samples)
def test_subthread_task(self):
delay = 0.2
async def b(): await asyncio.sleep(delay)
async def a(): await asyncio.gather(b(), b(), b())
def c(): asyncio.run(a())
self.Aergia.start()
x = threading.Thread(target=c)
x.start()
x.join()
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('c', [], samples)
self.assertFuncContains('b', [self.expected_samples(delay * 3)],
samples)
# TODO samples from gather all execution time, should we trace this?
self.assertFuncContains('a', [self.expected_samples(delay)], samples)
def test_eager_task(self):
delay = 0.2
async def a():
proc = await asyncio.create_subprocess_shell(f'sleep {delay}')
await proc.communicate()
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('a', [self.expected_samples(delay)], samples)
def test_async_generator(self):
delay = 0.2
num_times = 10
async def b():
for i in range(num_times):
await asyncio.sleep(delay)
yield i
async def a():
lst = []
async for item in b():
lst.append(item)
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
# TODO can we make these results more intuitive?
# async generators also do not work at all with yappi.
# doing so would be unique to this profiler.
# self.assertFuncContains('b',
# [self.expected_samples(delay * num_times)],
# samples)
# self.assertFuncContains('a', [], samples)
self.assertFuncContains('a',
[self.expected_samples(delay * num_times)],
samples)
self.assertFuncContains('b', [], samples)
def test_async_gen_and_comp(self):
delay = 0.2
num_times = 10
async def b():
for i in range(num_times):
await asyncio.sleep(delay)
yield i
async def a():
return [r async for r in b()]
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
# TODO can we make these results more intuitive?
# async generators also do not work at all with yappi.
# doing so would be unique to this profiler.
self.assertFuncContains('b', [], samples)
self.assertFuncContains('a', [], samples)
self.assertFuncContains('<listcomp>',
[self.expected_samples(delay * num_times)],
samples)
def test_deep_await(self):
delay = 0.2
async def c(): await asyncio.sleep(delay)
async def b(): await c()
async def a(): await b()
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('c', [self.expected_samples(delay)], samples)
self.assertFuncContains('b', [], samples)
self.assertFuncContains('a', [], samples)
def test_task_groups(self):
d1 = 0.2
d2 = 0.3
d3 = 0.1
async def d(): await asyncio.sleep(d1)
async def c(): await asyncio.sleep(d2)
async def b(): await asyncio.sleep(d3)
async def a():
async with asyncio.TaskGroup() as tg:
tg.create_task(d())
tg.create_task(c())
tg.create_task(b())
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('d', [self.expected_samples(d1)], samples)
self.assertFuncContains('c', [self.expected_samples(d2)], samples)
self.assertFuncContains('b', [self.expected_samples(d3)], samples)
# TODO where does this come from?
self.assertFuncContains('a', [self.expected_samples(d2)], samples)
def test_task_groups_cancel(self):
d1 = 0.1
d2 = 0.2
d3 = 0.3
async def d(): await asyncio.sleep(d1)
async def c():
await asyncio.sleep(d2)
1 / 0 # crash
async def b(): await asyncio.sleep(d3)
async def a():
try:
async with asyncio.TaskGroup() as tg:
tg.create_task(d())
tg.create_task(c())
tg.create_task(b())
except:
pass
self.Aergia.start()
asyncio.run(a())
self.Aergia.stop()
samples = self.Aergia.get_samples()
self.assertFuncContains('d', [self.expected_samples(d1)], samples)
self.assertFuncContains('c', [self.expected_samples(d2)], samples)
self.assertFuncContains('b', [self.expected_samples(d2)], samples)
# TODO where does this come from?
self.assertFuncContains('a', [self.expected_samples(d2)], samples)
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