Files
Gahow Wang 445e491123 Add vLLM v0.18.1 source tree with KV transfer abort fix
third_party/vllm/ now tracked in git for direct patch management.
Based on vLLM v0.18.1 release with one patch applied:

  vllm/v1/core/sched/scheduler.py:
    Replace fatal assert with graceful skip when KV transfer callback
    arrives for an already-aborted request during PD disaggregated serving.

Future vLLM modifications should be made directly in third_party/vllm/
and committed normally. The patches/ directory is kept as documentation
of what changed from upstream.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-05-22 00:30:38 +08:00

126 lines
3.1 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
from vllm.utils.cache import CacheInfo, LRUCache
class TestLRUCache(LRUCache):
def _on_remove(self, key, value):
if not hasattr(self, "_remove_counter"):
self._remove_counter = 0
self._remove_counter += 1
def test_lru_cache():
cache = TestLRUCache(3)
assert cache.stat() == CacheInfo(hits=0, total=0)
assert cache.stat(delta=True) == CacheInfo(hits=0, total=0)
cache.put(1, 1)
assert len(cache) == 1
cache.put(1, 1)
assert len(cache) == 1
cache.put(2, 2)
assert len(cache) == 2
cache.put(3, 3)
assert len(cache) == 3
assert set(cache.cache) == {1, 2, 3}
cache.put(4, 4)
assert len(cache) == 3
assert set(cache.cache) == {2, 3, 4}
assert cache._remove_counter == 1
assert cache.get(2) == 2
assert cache.stat() == CacheInfo(hits=1, total=1)
assert cache.stat(delta=True) == CacheInfo(hits=1, total=1)
assert cache[2] == 2
assert cache.stat() == CacheInfo(hits=2, total=2)
assert cache.stat(delta=True) == CacheInfo(hits=1, total=1)
cache.put(5, 5)
assert set(cache.cache) == {2, 4, 5}
assert cache._remove_counter == 2
assert cache.pop(5) == 5
assert len(cache) == 2
assert set(cache.cache) == {2, 4}
assert cache._remove_counter == 3
assert cache.get(-1) is None
assert cache.stat() == CacheInfo(hits=2, total=3)
assert cache.stat(delta=True) == CacheInfo(hits=0, total=1)
cache.pop(10)
assert len(cache) == 2
assert set(cache.cache) == {2, 4}
assert cache._remove_counter == 3
cache.get(10)
assert len(cache) == 2
assert set(cache.cache) == {2, 4}
assert cache._remove_counter == 3
cache.put(6, 6)
assert len(cache) == 3
assert set(cache.cache) == {2, 4, 6}
assert 2 in cache
assert 4 in cache
assert 6 in cache
cache.remove_oldest()
assert len(cache) == 2
assert set(cache.cache) == {2, 6}
assert cache._remove_counter == 4
cache.clear()
assert len(cache) == 0
assert cache._remove_counter == 6
assert cache.stat() == CacheInfo(hits=0, total=0)
assert cache.stat(delta=True) == CacheInfo(hits=0, total=0)
cache._remove_counter = 0
cache[1] = 1
assert len(cache) == 1
cache[1] = 1
assert len(cache) == 1
cache[2] = 2
assert len(cache) == 2
cache[3] = 3
assert len(cache) == 3
assert set(cache.cache) == {1, 2, 3}
cache[4] = 4
assert len(cache) == 3
assert set(cache.cache) == {2, 3, 4}
assert cache._remove_counter == 1
assert cache[2] == 2
cache[5] = 5
assert set(cache.cache) == {2, 4, 5}
assert cache._remove_counter == 2
del cache[5]
assert len(cache) == 2
assert set(cache.cache) == {2, 4}
assert cache._remove_counter == 3
cache.pop(10)
assert len(cache) == 2
assert set(cache.cache) == {2, 4}
assert cache._remove_counter == 3
cache[6] = 6
assert len(cache) == 3
assert set(cache.cache) == {2, 4, 6}
assert 2 in cache
assert 4 in cache
assert 6 in cache