async def test_amap(self, max_per_second: float) -> None:
with self.assert_limit(max_per_second) as spy:
async with aiometer.amap(spy.task,
spy.args,
max_per_second=max_per_second) as results:
async for _ in results:
pass # pragma: no cover # Python 3.7 fix.
async def test_amap(self, max_at_once: int) -> None:
with self.assert_limit(max_at_once) as spy:
async with aiometer.amap(spy.async_fn,
spy.args,
max_at_once=max_at_once) as results:
async for _ in results:
pass # pragma: no cover # Python 3.7 fix.
async def test_amap(self) -> None:
async def process(item: str) -> str:
return item.capitalize()
items = ["apple", "banana", "cherry", "apple"]
async with aiometer.amap(process, items) as results:
output = {result async for result in results}
assert output == {"Apple", "Banana", "Cherry"}
async def test_amap_ignore_results(self) -> None:
called = 0
async def process(item: str) -> None:
nonlocal called
called += 1
items = ["apple", "banana", "cherry", "apple"]
async with aiometer.amap(process, items):
pass
# Should have waited for all tasks to complete before exiting.
assert called == 4
async def test_amap_task_exception(self) -> None:
class Failure(Exception):
pass
async def process(item: str) -> str:
if item == "fail":
raise Failure
return item
items = ["apple", "banana", "fail", "apple"]
with pytest.raises(Failure):
async with aiometer.amap(process, items) as results:
async for result in results:
pass # pragma: no cover # Python 3.7 fix.