def test_clean_queue_registries(redis):
"""Worker.clean_registries sets last_cleaned_at and cleans registries."""
foo_queue = Queue('foo', connection=redis)
foo_registry = StartedJobRegistry('foo', connection=redis)
yield from redis.zadd(foo_registry.key, 1, 'foo')
assert (yield from redis.zcard(foo_registry.key)) == 1
bar_queue = Queue('bar', connection=redis)
bar_registry = StartedJobRegistry('bar', connection=redis)
(yield from redis.zadd(bar_registry.key, 1, 'bar'))
assert (yield from redis.zcard(bar_registry.key)) == 1
worker = Worker([foo_queue, bar_queue])
assert not worker.last_cleaned_at
yield from worker.clean_registries()
assert worker.last_cleaned_at
assert not (yield from redis.zcard(foo_registry.key))
assert not (yield from redis.zcard(bar_registry.key))
