test_embedding_service_priority.py
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import threading
import embeddings.server as emb_server
def test_text_inflight_limiter_priority_bypass():
limiter = emb_server._InflightLimiter(name="text", limit=1)
accepted, active = limiter.try_acquire()
assert accepted is True
assert active == 1
accepted, active = limiter.try_acquire()
assert accepted is False
assert active == 1
accepted, active = limiter.try_acquire(bypass_limit=True)
assert accepted is True
assert active == 2
snapshot = limiter.snapshot()
assert snapshot["priority_bypass_total"] == 1
limiter.release(success=True)
limiter.release(success=True)
def test_text_dispatch_prefers_high_priority_queue():
high_task = emb_server._TextDispatchTask(
normalized=["online"],
effective_normalize=True,
request_id="high",
priority=1,
created_at=0.0,
done=threading.Event(),
)
normal_task = emb_server._TextDispatchTask(
normalized=["offline"],
effective_normalize=True,
request_id="normal",
priority=0,
created_at=0.0,
done=threading.Event(),
)
with emb_server._text_dispatch_cv:
emb_server._text_dispatch_high_queue.clear()
emb_server._text_dispatch_normal_queue.clear()
emb_server._text_dispatch_normal_queue.append(normal_task)
emb_server._text_dispatch_high_queue.append(high_task)
first = emb_server._pop_text_dispatch_task_locked()
second = emb_server._pop_text_dispatch_task_locked()
emb_server._text_dispatch_high_queue.clear()
emb_server._text_dispatch_normal_queue.clear()
assert first is high_task
assert second is normal_task
def test_image_inflight_limiter_priority_bypass():
limiter = emb_server._InflightLimiter(name="image", limit=1)
accepted, active = limiter.try_acquire()
assert accepted is True
assert active == 1
accepted, active = limiter.try_acquire()
assert accepted is False
assert active == 1
accepted, active = limiter.try_acquire(bypass_limit=True)
assert accepted is True
assert active == 2
snapshot = limiter.snapshot()
assert snapshot["priority_bypass_total"] == 1
limiter.release(success=True)
limiter.release(success=True)