Red-DiscordBot/tests/core/test_utils.py
Jakub Kuczys 519acedf46
Make some dependency changes, support Python 3.10 and 3.11 (#5611)
Co-authored-by: jack1142 <6032823+jack1142@users.noreply.github.com>
2022-12-30 03:21:57 +01:00

140 lines
3.9 KiB
Python

import asyncio
import pytest
import random
from redbot.core.utils import (
bounded_gather,
bounded_gather_iter,
deduplicate_iterables,
common_filters,
)
def test_deduplicate_iterables():
expected = [1, 2, 3, 4, 5]
inputs = [[1, 2, 1], [3, 1, 2, 4], [5, 1, 2]]
assert deduplicate_iterables(*inputs) == expected
async def test_bounded_gather():
status = [0, 0] # num_running, max_running
async def wait_task(i, delay, status, fail=False):
status[0] += 1
await asyncio.sleep(delay)
status[1] = max(status)
status[0] -= 1
if fail:
raise RuntimeError
return i
num_concurrent = random.randint(2, 8)
num_tasks = random.randint(4 * num_concurrent, 5 * num_concurrent)
num_fail = random.randint(num_concurrent, num_tasks)
tasks = [wait_task(i, random.random() / 1000, status) for i in range(num_tasks)]
tasks += [wait_task(i, random.random() / 1000, status, fail=True) for i in range(num_fail)]
num_failed = 0
results = await bounded_gather(*tasks, limit=num_concurrent, return_exceptions=True)
for i, result in enumerate(results):
if isinstance(result, RuntimeError):
num_failed += 1
else:
assert result == i # verify_permissions original orde
assert 0 <= result < num_tasks
assert 0 < status[1] <= num_concurrent
assert num_fail == num_failed
async def test_bounded_gather_iter():
status = [0, 0] # num_running, max_running
async def wait_task(i, delay, status, fail=False):
status[0] += 1
await asyncio.sleep(delay)
status[1] = max(status)
status[0] -= 1
if fail:
raise RuntimeError
return i
num_concurrent = random.randint(2, 8)
num_tasks = random.randint(4 * num_concurrent, 16 * num_concurrent)
num_fail = random.randint(num_concurrent, num_tasks)
tasks = [wait_task(i, random.random() / 1000, status) for i in range(num_tasks)]
tasks += [wait_task(i, random.random() / 1000, status, fail=True) for i in range(num_fail)]
random.shuffle(tasks)
num_failed = 0
for result in bounded_gather_iter(*tasks, limit=num_concurrent):
try:
result = await result
except RuntimeError:
num_failed += 1
continue
assert 0 <= result < num_tasks
assert 0 < status[1] <= num_concurrent
assert num_fail == num_failed
@pytest.mark.skip(reason="spams logs with pending task warnings")
async def test_bounded_gather_iter_cancel():
status = [0, 0, 0] # num_running, max_running, num_ran
async def wait_task(i, delay, status, fail=False):
status[0] += 1
await asyncio.sleep(delay)
status[1] = max(status[:2])
status[0] -= 1
if fail:
raise RuntimeError
status[2] += 1
return i
num_concurrent = random.randint(2, 8)
num_tasks = random.randint(4 * num_concurrent, 16 * num_concurrent)
quit_on = random.randint(0, num_tasks)
num_fail = random.randint(num_concurrent, num_tasks)
tasks = [wait_task(i, random.random() / 1000, status) for i in range(num_tasks)]
tasks += [wait_task(i, random.random() / 1000, status, fail=True) for i in range(num_fail)]
random.shuffle(tasks)
num_failed = 0
i = 0
for result in bounded_gather_iter(*tasks, limit=num_concurrent):
try:
result = await result
except RuntimeError:
num_failed += 1
continue
if i == quit_on:
break
assert 0 <= result < num_tasks
i += 1
assert 0 < status[1] <= num_concurrent
assert quit_on <= status[2] <= quit_on + num_concurrent
assert num_failed <= num_fail
def test_normalize_smartquotes():
assert common_filters.normalize_smartquotes("Should\u2018 normalize") == "Should' normalize"
assert common_filters.normalize_smartquotes("Same String") == "Same String"