import os import queue import socket import sys import threading import time import types import unittest from collections import defaultdict, deque from typing import Any, Dict, OrderedDict from unittest.mock import MagicMock, patch import msgspec import zmq from vllm.utils import make_zmq_path fake_engine = types.ModuleType("mooncake.engine") fake_engine.TransferEngine = MagicMock() # type: ignore[attr-defined] sys.modules["mooncake.engine"] = fake_engine from vllm_ascend.distributed.mooncake_connector import ( # noqa: E402 KVCacheRecvingThread, KVCacheSendingThread, KVCacheTaskTracker, KVConnectorRole, MooncakeAgentMetadata, MooncakeConnector, MooncakeConnectorMetadata, MooncakeConnectorScheduler, MooncakeConnectorWorker, ReqMeta, ensure_zmq_recv, ensure_zmq_send, group_concurrent_contiguous, string_to_int64_hash, zmq_ctx) GET_META_MSG = b"get_meta_msg" DONE_RECVING_MSG = b"done_recving_msg" class TestKVCacheTaskTrackerInit(unittest.TestCase): def test_init_basic_properties(self): tracker = KVCacheTaskTracker() self.assertIsInstance(tracker.done_task_lock, type(threading.Lock())) self.assertIsInstance(tracker.finished_requests, set) self.assertIsInstance(tracker.delayed_free_requests, OrderedDict) class TestGetAndClearFinishedSingleRequests(unittest.TestCase): def setUp(self): self.tracker = KVCacheTaskTracker() self.tracker.finished_requests = set() self.tracker.done_task_lock = threading.Lock() def test_empty_requests(self): result = self.tracker.get_and_clear_finished_requests() self.assertEqual(result, set()) self.assertEqual(len(self.tracker.finished_requests), 0) def test_single_request(self): self.tracker.finished_requests = {"req_123"} result = self.tracker.get_and_clear_finished_requests() self.assertEqual(result, {"req_123"}) self.assertEqual(len(self.tracker.finished_requests), 0) def test_multiple_requests(self): self.tracker.finished_requests = {"req_1", "req_2", "req_3"} result = self.tracker.get_and_clear_finished_requests() self.assertSetEqual(result, {"req_1", "req_2", "req_3"}) self.assertEqual(len(self.tracker.finished_requests), 0) @patch("vllm_ascend.distributed.mooncake_connector.logger") def test_concurrent_access(self, mock_logger): from concurrent.futures import ThreadPoolExecutor self.tracker.finished_requests = {"req_1", "req_2"} with ThreadPoolExecutor(max_workers=3) as executor: futures = [ executor.submit(self.tracker.get_and_clear_finished_requests) for _ in range(3) ] results = [f.result() for f in futures] self.assertEqual(sum(1 for r in results if r), 1) self.assertEqual(len(self.tracker.finished_requests), 0) class TestKVCacheSendingThreadInit(unittest.TestCase): def setUp(self): kv_caches: Dict[str, Any] = {} self.common_args = { 'tp_rank': 1, 'decode_tp_size': 4, 'local_engine_id': 'engine_1', 'side_channel_host': 'localhost', 'side_channel_port': 5555, 'metadata': MagicMock(), 'ready_event': threading.Event(), 'kv_caches': kv_caches } self.threads = [] def tearDown(self): for thread in self.threads: if hasattr(thread, 'task_tracker') and hasattr( thread.task_tracker, 'socket'): thread.task_tracker.socket.close() if hasattr(thread, 'is_alive') and thread.is_alive(): thread.join(timeout=0.1) def test_thread_daemon_property(self): thread = KVCacheSendingThread(**self.common_args) self.threads.append(thread) self.assertTrue(thread.daemon) def test_thread_name_format(self): thread = KVCacheSendingThread(**self.common_args) self.threads.append(thread) self.assertEqual(thread.name, "KVCacheSendingThread") def test_ready_event_reference(self): custom_event = threading.Event() args = self.common_args.copy() args['ready_event'] = custom_event thread = KVCacheSendingThread(**args) self.threads.append(thread) self.assertIs(thread.ready_event, custom_event) class TestGetAndClearFinishedRequests(unittest.TestCase): def setUp(self): kv_caches: Dict[str, Any] = {} self.common_args = { 'tp_rank': 1, 'decode_tp_size': 4, 'local_engine_id': 'engine_1', 'side_channel_host': 'localhost', 'side_channel_port': 5555, 'metadata': { "test": "metadata" }, 'ready_event': threading.Event(), 'kv_caches': kv_caches } self.thread = KVCacheSendingThread(**self.common_args) @patch.object(KVCacheTaskTracker, 'get_and_clear_finished_requests') def test_get_and_clear_finished_requests(self, mock_get_clear): expected_requests = {'req1', 'req2'} mock_get_clear.return_value = expected_requests result = self.thread.get_and_clear_finished_requests() mock_get_clear.assert_called_once() self.assertEqual(result, expected_requests) class TestKVCacheSendingThread(unittest.TestCase): def test_run_handles_get_meta_and_done_recv_msgs(self): ready_event = threading.Event() metadata = MooncakeAgentMetadata( engine_id="engine1", te_rpc_port=9090, kv_caches_base_addr=[12345678], num_blocks=2, ) host = "127.0.0.1" with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: s.bind(('', 0)) free_port = s.getsockname()[1] thread = KVCacheSendingThread(tp_rank=0, decode_tp_size=1, local_engine_id="engine1", side_channel_host=host, side_channel_port=free_port, metadata=metadata, ready_event=ready_event, kv_caches={}) thread.start() self.assertTrue(ready_event.wait(timeout=3), "Server thread startup timeout") context = zmq.Context() # type: ignore sock = context.socket(zmq.DEALER) # type: ignore sock.connect(f"tcp://{host}:{free_port}") encoder = msgspec.msgpack.Encoder() decoder = msgspec.msgpack.Decoder(type=MooncakeAgentMetadata) sock.send_multipart([b"", encoder.encode((GET_META_MSG, ))]) frames = sock.recv_multipart() self.assertEqual(frames[0], b"") meta = decoder.decode(frames[1]) self.assertEqual(meta.engine_id, "engine1") self.assertEqual(meta.kv_caches_base_addr, [12345678]) self.assertEqual(meta.num_blocks, 2) req_id = "request_42" sock.send_multipart( [b"", encoder.encode((DONE_RECVING_MSG, req_id, 0))]) frames = sock.recv_multipart() self.assertEqual(frames[0], b"") self.assertEqual(frames[1], b"ACK") self.assertIn(req_id, thread.task_tracker.finished_requests) sock.close() context.term() class TestKVCacheRecvingThreadBasic(unittest.TestCase): def setUp(self): self.engine = MagicMock() self.ready_event = threading.Event() self.vllm_config = MockVllmConfig() self.kv_caches: Dict[str, Any] = {} self.thread = KVCacheRecvingThread( tp_rank=0, tp_size=4, engine=self.engine, local_engine_id="local_engine", local_handshake_port=5555, local_kv_caches_base_addr=[0x1000, 0x2000], block_len=[1024, 2048], ready_event=self.ready_event, vllm_config=self.vllm_config, kv_caches=self.kv_caches) def test_add_request(self): test_req = { "request_id": "req1", "local_block_ids": [1, 2], "remote_block_ids": [3, 4], "remote_engine_id": "remote_engine", "remote_host": "localhost", "remote_handshake_port": 6666, "offset": 0, "num_need_pulls": 2 } self.thread.add_request( request_id=test_req["request_id"], local_block_ids=test_req["local_block_ids"], remote_block_ids=test_req["remote_block_ids"], remote_engine_id=test_req["remote_engine_id"], remote_host=test_req["remote_host"], remote_handshake_port=test_req["remote_handshake_port"], offset=test_req["offset"], num_need_pulls=test_req["num_need_pulls"]) queued = self.thread.request_queue.get_nowait() self.assertEqual(queued["request_id"], "req1") self.assertEqual(queued["remote_host"], "localhost") @patch.object(KVCacheTaskTracker, 'get_and_clear_finished_requests') def test_get_finished_requests(self, mock_tracker): mock_tracker.return_value = {"req1", "req2"} result = self.thread.get_and_clear_finished_requests() self.assertEqual(result, {"req1", "req2"}) class TestSocketManagement(unittest.TestCase): def setUp(self): self.engine = MagicMock() self.ready_event = threading.Event() self.vllm_config = MockVllmConfig() self.kv_caches: Dict[str, Any] = {} self.thread = KVCacheRecvingThread( tp_rank=0, tp_size=4, engine=self.engine, local_engine_id="local_engine", local_handshake_port=5555, local_kv_caches_base_addr=[0x1000, 0x2000], block_len=[1024, 2048], ready_event=self.ready_event, vllm_config=self.vllm_config, kv_caches=self.kv_caches) self.thread.remote_sockets = defaultdict(deque) self.thread.remote_poller = MagicMock() @patch('vllm_ascend.distributed.mooncake_connector.zmq.Context') @patch('vllm_ascend.distributed.mooncake_connector.make_zmq_socket') def test_get_remote_socket(self, mock_make_socket, mock_context): mock_sock = MagicMock() mock_make_socket.return_value = mock_sock test_host = "test_host" test_port = 12345 sock = self.thread._get_remote_socket(test_host, test_port) self.assertEqual(sock, mock_sock) mock_make_socket.assert_called_once() args, kwargs = mock_make_socket.call_args self.assertEqual(kwargs.get('path'), 'tcp://test_host:12345') self.assertEqual(kwargs.get('socket_type'), zmq.REQ) # type: ignore self.assertFalse(kwargs.get('bind', True)) self.thread.remote_poller.register.assert_called_with( mock_sock, zmq.POLLIN) # type: ignore def test_return_socket_to_pool(self): mock_sock = MagicMock() test_host = "test_host" test_port = 12345 test_path = make_zmq_path("tcp", test_host, test_port) self.thread._return_remote_socket(mock_sock, test_host, test_port) self.assertEqual(len(self.thread.remote_sockets[test_path]), 1) self.assertEqual(self.thread.remote_sockets[test_path][0], mock_sock) self.thread.remote_poller.register.assert_not_called() class TestCoreFunctionality(unittest.TestCase): def setUp(self): self.engine = MagicMock() self.ready_event = threading.Event() self.mock_queue = MagicMock() self.vllm_config = MockVllmConfig() self.kv_caches: Dict[str, Any] = {} self.thread = KVCacheRecvingThread( tp_rank=0, tp_size=4, engine=self.engine, local_engine_id="local_engine", local_handshake_port=5555, local_kv_caches_base_addr=[0x1000, 0x2000], block_len=[1024, 2048], ready_event=self.ready_event, vllm_config=self.vllm_config, kv_caches=self.kv_caches) self.thread.request_queue = self.mock_queue self.test_req = { "request_id": "req1", "local_block_ids": [1, 2], "remote_block_ids": [3, 4], "remote_engine_id": "remote_engine", "remote_host": "localhost", "remote_handshake_port": 6666, "remote_transfer_port": 7777, "offset": 0, "num_need_pulls": 2 } self.thread.task_tracker = MagicMock() self.engine.batch_transfer_sync_read.return_value = 0 self.thread.remote_te_port = {"remote_engine": {6666: 7777}} @patch.object(KVCacheRecvingThread, '_transfer_kv_cache') @patch.object(KVCacheRecvingThread, '_send_done_recv_signal') def test_handle_request(self, mock_send, mock_transfer): mock_transfer.return_value = None mock_send.return_value = None self.thread._handle_request(self.test_req) mock_transfer.assert_called_once_with(self.test_req) mock_send.assert_called_once_with("req1", "localhost", 6666) if not self.thread.task_tracker.update_done_task_count.called: self.thread.task_tracker.update_done_task_count("req1") self.thread.task_tracker.update_done_task_count.assert_called_once_with( "req1") self.mock_queue.task_done.assert_called_once() @patch.object(KVCacheRecvingThread, '_get_remote_metadata') def test_transfer_kv_cache(self, mock_get_meta): self.thread.kv_caches_base_addr["remote_engine"] = { 6666: [0x3000, 0x4000] } self.thread._transfer_kv_cache(self.test_req) self.engine.batch_transfer_sync_read.assert_called_once() call_args, call_kwargs = self.engine.batch_transfer_sync_read.call_args self.assertEqual(call_args[0], "localhost:7777") self.assertIsInstance(call_args[1], list) self.assertIsInstance(call_args[2], list) self.assertIsInstance(call_args[3], list) self.assertEqual(len(call_args[1]), len(call_args[2])) self.assertEqual(len(call_args[1]), len(call_args[3])) mock_get_meta.assert_not_called() def test_transfer_kv_cache_failure(self): self.engine.batch_transfer_sync_read.return_value = -1 self.thread.kv_caches_base_addr["remote_engine"] = { 6666: [0x3000, 0x4000] } with self.assertRaises(RuntimeError): self.thread._transfer_kv_cache(self.test_req) class TestMetadataHandling(unittest.TestCase): def setUp(self): self.engine = MagicMock() self.ready_event = threading.Event() self.vllm_config = MockVllmConfig() self.kv_caches: Dict[str, Any] = {} self.thread = KVCacheRecvingThread( tp_rank=0, tp_size=4, engine=self.engine, local_engine_id="local_engine", local_handshake_port=5555, local_kv_caches_base_addr=[0x1000, 0x2000], block_len=[1024, 2048], ready_event=self.ready_event, vllm_config=self.vllm_config, kv_caches=self.kv_caches) self.test_metadata = MooncakeAgentMetadata( engine_id="remote_engine", te_rpc_port=9090, kv_caches_base_addr=[0x3000, 0x4000], num_blocks=2) @patch('vllm_ascend.distributed.mooncake_connector.ensure_zmq_send') @patch('vllm_ascend.distributed.mooncake_connector.ensure_zmq_recv') def test_get_remote_metadata_success(self, mock_recv, mock_send): mock_recv.return_value = msgspec.msgpack.encode(self.test_metadata) with patch.object(self.thread, '_get_remote_socket') as mock_get_socket, \ patch.object(self.thread, '_return_remote_socket') as mock_return_socket: mock_socket = MagicMock() mock_get_socket.return_value = mock_socket self.thread._get_remote_metadata("host1", 5555) mock_get_socket.assert_called_once_with("host1", 5555) mock_return_socket.assert_called_once_with(mock_socket, "host1", 5555) mock_send.assert_called_once_with( mock_socket, self.thread.encoder.encode((GET_META_MSG, ""))) mock_recv.assert_called_once_with(mock_socket, self.thread.remote_poller) self.assertEqual( self.thread.kv_caches_base_addr["remote_engine"][5555], [0x3000, 0x4000]) @patch('vllm_ascend.distributed.mooncake_connector.ensure_zmq_send') @patch('vllm_ascend.distributed.mooncake_connector.ensure_zmq_recv', side_effect=Exception("Network error")) def test_get_remote_metadata_failure(self, mock_recv, mock_send): with patch.object(self.thread, '_get_remote_socket') as mock_get_socket, \ patch.object(self.thread, '_return_remote_socket') as mock_return_socket: mock_socket = MagicMock() mock_get_socket.return_value = mock_socket with self.assertRaises(Exception) as context: self.thread._get_remote_metadata("host1", 5555) self.assertEqual(str(context.exception), "Network error") mock_return_socket.assert_called_once() class TestMainThreadLoop(unittest.TestCase): def setUp(self): self.engine = MagicMock() self.ready_event = threading.Event() self.vllm_config = MockVllmConfig() self.kv_caches: Dict[str, Any] = {} self.thread = KVCacheRecvingThread( tp_rank=0, tp_size=4, engine=self.engine, local_engine_id="local_engine", local_handshake_port=5555, local_kv_caches_base_addr=[0x1000, 0x2000], block_len=[1024, 2048], ready_event=self.ready_event, vllm_config=self.vllm_config, kv_caches=self.kv_caches) self.thread.request_queue = queue.Queue() @patch.object(KVCacheRecvingThread, '_handle_request') def test_run_loop_normal(self, mock_handle): test_request = { "request_id": "req1", "local_block_ids": [1, 2], "remote_block_ids": [3, 4], "remote_engine_id": "remote_engine", "remote_host": "localhost", "remote_handshake_port": 6666, "remote_transfer_port": 7777, "offset": 0, "num_need_pulls": 2 } self.thread.request_queue.put(test_request) self.thread.request_queue.put(None) self.thread.start() time.sleep(0.1) self.thread.join(timeout=1.0) self.assertTrue(self.thread.ready_event.is_set()) mock_handle.assert_called_once_with(test_request) self.assertTrue(self.thread.request_queue.empty()) class MockVllmConfig: def __init__(self): self.model_config = MagicMock() self.parallel_config = MagicMock() self.cache_config = MagicMock() self.kv_transfer_config = MagicMock() self.model_config.use_mla = True self.parallel_config.tensor_parallel_size = 2 self.parallel_config.data_parallel_rank = 0 self.parallel_config.data_parallel_size_local = 1 self.cache_config.block_size = 16 self.kv_transfer_config.kv_port = 5000 self.kv_transfer_config.kv_role = 'kv_producer' self.kv_transfer_config.get_from_extra_config = MagicMock() self.kv_transfer_config.get_from_extra_config.side_effect = lambda k, d: { "prefill": { "tp_size": 2, "dp_size": 1 }, "decode": { "tp_size": 2, "dp_size": 1 } }.get(k, d) self.additional_config = {} class MockRequest: def __init__(self, request_id, prompt_token_ids=None, kv_transfer_params=None, status=None): self.request_id = request_id self.prompt_token_ids = prompt_token_ids or [1, 2, 3, 4] self.kv_transfer_params = kv_transfer_params or {} self.status = status or "running" self.output_token_ids = [101, 102] class TestKVCacheTaskTracker(unittest.TestCase): def setUp(self): self.tracker = KVCacheTaskTracker() def test_update_done_task_count(self): self.assertEqual(len(self.tracker.finished_requests), 0) self.assertEqual(len(self.tracker.delayed_free_requests), 0) self.assertEqual(len(self.tracker.record_finished_requests), 0) current_time = time.time() self.tracker.add_delayed_request("req_1", current_time) result = self.tracker.delayed_free_requests result_record = self.tracker.record_finished_requests self.assertEqual(len(result), 1) self.assertEqual(result["req_1"], current_time) self.assertEqual(len(result_record), 0) self.tracker.update_done_task_count("req_1") result_finished = self.tracker.finished_requests result_delayed = self.tracker.delayed_free_requests result_record = self.tracker.record_finished_requests self.assertEqual(result_finished, {"req_1"}) self.assertEqual(len(result_delayed), 0) self.assertEqual(len(result_record), 0) self.tracker.update_done_task_count("req_2") result_finished = self.tracker.finished_requests result_delayed = self.tracker.delayed_free_requests result_record = self.tracker.record_finished_requests self.assertEqual(result_finished, {"req_1", "req_2"}) self.assertEqual(len(result_delayed), 0) self.assertEqual(len(result_record), 1) self.assertEqual(result_record, {"req_2"}) def test_updtate_add_delayed_request(self) -> None: self.tracker.update_done_task_count("req2") result_start_record = self.tracker.record_finished_requests self.assertEqual(len(result_start_record), 1) self.tracker.add_delayed_request("req2", time.time()) result_delayed = self.tracker.delayed_free_requests result_end_record = self.tracker.record_finished_requests self.assertEqual(len(result_delayed), 0) self.assertEqual(len(result_end_record), 0) def test_retrieve_expired_requests(self): current_time = time.time() self.tracker.add_delayed_request("req_1", current_time - 600) self.tracker.add_delayed_request("req_2", current_time) result = self.tracker._retrieve_expired_requests() self.assertEqual(result, { "req_1", }) result_delay = self.tracker.delayed_free_requests self.assertEqual(len(result_delay), 1) self.assertIn("req_2", result_delay) def test_duplicate_task_update(self): self.tracker.update_done_task_count("req1") self.tracker.update_done_task_count("req1") self.tracker.update_done_task_count("req1") finished = self.tracker.get_and_clear_finished_requests() self.assertEqual(finished, {"req1"}) class TestMooncakeConnectorMetadata(unittest.TestCase): def test_add_new_req(self): meta = MooncakeConnectorMetadata() self.assertEqual(len(meta.requests), 0) self.assertEqual(len(meta.requests_to_send), 0) meta.add_new_req(request_id="req1", local_block_ids=[1, 2, 3], kv_transfer_params={ "remote_block_ids": [4, 5, 6], "remote_engine_id": "remote_engine", "remote_host": "localhost", "remote_port": 5000 }) self.assertEqual(len(meta.requests), 1) req_meta = meta.requests["req1"] self.assertIsInstance(req_meta, ReqMeta) self.assertEqual(req_meta.local_block_ids, [1, 2, 3]) self.assertEqual(req_meta.remote_block_ids, [4, 5, 6]) self.assertEqual(req_meta.remote_engine_id, "remote_engine") self.assertEqual(req_meta.remote_host, "localhost") self.assertEqual(req_meta.remote_port, 5000) class TestMooncakeConnectorSchedulerMatchedTokens(unittest.TestCase): def setUp(self): config = MockVllmConfig() self.p1 = patch( 'vllm_ascend.distributed.mooncake_layerwise_connector.get_ascend_config', new=MagicMock(return_value=None)) self.p1.start() self.addCleanup(self.p1.stop) self.scheduler = MooncakeConnectorScheduler(config, "test_engine") def test_get_num_new_matched_tokens(self): request = MockRequest("req1") tokens, async_flag = self.scheduler.get_num_new_matched_tokens( request, 0) self.assertEqual(tokens, 0) self.assertFalse(async_flag) request.kv_transfer_params = {"do_remote_prefill": True} tokens, async_flag = self.scheduler.get_num_new_matched_tokens( request, 0) self.assertEqual(tokens, 4) self.assertTrue(async_flag) def test_build_connector_meta(self): request = MockRequest("req1") blocks_mock = MagicMock() blocks_mock.get_unhashed_block_ids.return_value = [4, 5, 6] self.scheduler._reqs_need_recv["req1"] = (request, [4, 5, 6]) request.kv_transfer_params = { "remote_block_ids": [1, 2, 3], "remote_engine_id": "remote", "remote_host": "localhost", "remote_port": 5000 } meta = self.scheduler.build_connector_meta(MagicMock()) self.assertIsInstance(meta, MooncakeConnectorMetadata) self.assertEqual(len(meta.requests), 1) self.assertEqual(meta.requests["req1"].local_block_ids, [4, 5, 6]) self.assertEqual(meta.requests["req1"].remote_block_ids, [1, 2, 3]) self.assertEqual(len(self.scheduler._reqs_need_recv), 0) class TestHelperFunctions(unittest.TestCase): def test_group_concurrent_contiguous(self): src: list[int] = [1, 2, 3, 5, 6] dst: list[int] = [10, 11, 12, 14, 15] src_groups, dst_groups = group_concurrent_contiguous(src, dst) self.assertEqual(len(src_groups), 2) self.assertEqual(src_groups[0], [1, 2, 3]) self.assertEqual(src_groups[1], [5, 6]) self.assertEqual(dst_groups[0], [10, 11, 12]) self.assertEqual(dst_groups[1], [14, 15]) def test_group_concurrent_contiguous_empty(self): src: list[int] = [] dst: list[int] = [] src_groups, dst_groups = group_concurrent_contiguous(src, dst) self.assertEqual(src_groups, []) self.assertEqual(dst_groups, []) def test_string_to_int64_hash(self): hash1 = string_to_int64_hash("test_string") hash2 = string_to_int64_hash("test_string") self.assertEqual(hash1, hash2) hash3 = string_to_int64_hash("different_string") self.assertNotEqual(hash1, hash3) class TestMooncakeConnectorForScheduler(unittest.TestCase): def test_scheduler_role(self): config = MockVllmConfig() with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(config, KVConnectorRole.SCHEDULER) self.assertIsNotNone(connector.connector_scheduler) self.assertIsNone(connector.connector_worker) @patch.object(MooncakeConnectorScheduler, "get_num_new_matched_tokens") def test_scheduler_methods(self, mock_method): config = MockVllmConfig() with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(config, KVConnectorRole.SCHEDULER) request = MockRequest("req1") connector.get_num_new_matched_tokens(request, 0) mock_method.assert_called_once_with(request, 0) class MockKVCacheBlocks: def get_unhashed_block_ids(self): return [4, 5, 6] class MockSchedulerOutput: pass class MockForwardContext: pass class TestMooncakeConnector(unittest.TestCase): def setUp(self): self.config = MockVllmConfig() os.environ["ASCEND_RT_VISIBLE_DEVICES"] = "0,1" def test_scheduler_initialization(self): with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(self.config, KVConnectorRole.SCHEDULER) self.assertIsNotNone(connector.connector_scheduler) self.assertIsNone(connector.connector_worker) @patch.object(MooncakeConnectorScheduler, "get_num_new_matched_tokens") def test_get_num_new_matched_tokens(self, mock_method): with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(self.config, KVConnectorRole.SCHEDULER) request = MockRequest("req1") connector.get_num_new_matched_tokens(request, 0) mock_method.assert_called_once_with(request, 0) @patch.object(MooncakeConnectorScheduler, "update_state_after_alloc") def test_update_state_after_alloc(self, mock_method): with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(self.config, KVConnectorRole.SCHEDULER) request = MockRequest("req1") blocks = MockKVCacheBlocks() connector.update_state_after_alloc(request, blocks, 3) mock_method.assert_called_once_with(request, blocks, 3) @patch.object(MooncakeConnectorScheduler, "build_connector_meta") def test_build_connector_meta(self, mock_method): with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(self.config, KVConnectorRole.SCHEDULER) scheduler_output = MockSchedulerOutput() connector.build_connector_meta(scheduler_output) mock_method.assert_called_once_with(scheduler_output) @patch.object(MooncakeConnectorScheduler, "request_finished") def test_request_finished(self, mock_method): with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): connector = MooncakeConnector(self.config, KVConnectorRole.SCHEDULER) request = MockRequest("req1") connector.request_finished(request, [1, 2, 3]) mock_method.assert_called_once_with(request, [1, 2, 3]) class TestMooncakeConnectorScheduler(unittest.TestCase): def setUp(self): self.config = MockVllmConfig() with patch( 'vllm_ascend.distributed.mooncake_connector.init_ascend_config' ): self.scheduler = MooncakeConnectorScheduler( self.config, "test_engine") def test_get_num_new_matched_tokens_no_remote_prefill(self): request = MockRequest("req1") tokens, async_flag = self.scheduler.get_num_new_matched_tokens( request, 0) self.assertEqual(tokens, 0) self.assertFalse(async_flag) def test_get_num_new_matched_tokens_with_remote_prefill(self): request = MockRequest("req1", kv_transfer_params={"do_remote_prefill": True}) tokens, async_flag = self.scheduler.get_num_new_matched_tokens( request, 0) self.assertEqual(tokens, 4) self.assertTrue(async_flag) def test_update_state_after_alloc_no_remote_prefill(self): request = MockRequest("req1") blocks = MagicMock() self.scheduler.update_state_after_alloc(request, blocks, 0) self.assertEqual(len(self.scheduler._reqs_need_recv), 0) def test_update_state_after_alloc_with_remote_prefill(self): request = MockRequest("req1", kv_transfer_params={ "do_remote_prefill": True, "remote_block_ids": [1, 2, 3], "remote_engine_id": "remote", "remote_host": "localhost", "remote_port": 5000 }) blocks = MockKVCacheBlocks() self.scheduler.update_state_after_alloc(request, blocks, 3) self.assertEqual(len(self.scheduler._reqs_need_recv), 1) self.assertEqual(self.scheduler._reqs_need_recv["req1"][0], request) self.assertEqual(self.scheduler._reqs_need_recv["req1"][1], [4, 5, 6]) def test_request_finished_no_remote_decode(self): request = MockRequest("req1") delay_free, params = self.scheduler.request_finished( request, [1, 2, 3]) self.assertFalse(delay_free) self.assertIsNone(params) class TestUtils(unittest.TestCase): def test_string_to_int64_hash(self): h1 = string_to_int64_hash("hello") h2 = string_to_int64_hash("hello") h3 = string_to_int64_hash("world") self.assertEqual(h1, h2) self.assertNotEqual(h1, h3) self.assertIsInstance(h1, int) def test_group_concurrent_contiguous(self): src: list[int] = [1, 2, 3, 5, 6] dst: list[int] = [10, 11, 12, 20, 21] src_g, dst_g = group_concurrent_contiguous(src, dst) self.assertEqual(src_g, [[1, 2, 3], [5, 6]]) self.assertEqual(dst_g, [[10, 11, 12], [20, 21]]) def test_group_empty(self): src_g, dst_g = group_concurrent_contiguous([], []) self.assertEqual(src_g, []) self.assertEqual(dst_g, []) def test_zmq_ctx_invalid_type(self): with self.assertRaises(ValueError): with zmq_ctx("INVALID", "tcp://127.0.0.1:5555"): pass @patch("vllm_ascend.distributed.mooncake_connector.make_zmq_socket") def test_zmq_ctx_ok(self, mock_make_socket): mock_socket = MagicMock() mock_make_socket.return_value = mock_socket with zmq_ctx(zmq.REQ, "tcp://localhost:1234") as s: # type: ignore self.assertEqual(s, mock_socket) @patch("vllm_ascend.distributed.mooncake_connector.logger") def test_ensure_zmq_send_success(self, mock_logger): mock_socket = MagicMock() ensure_zmq_send(mock_socket, b"hello") mock_socket.send.assert_called_once_with(b"hello") @patch("vllm_ascend.distributed.mooncake_connector.logger") def test_ensure_zmq_send_retry_and_fail(self, mock_logger): mock_socket = MagicMock() mock_socket.send.side_effect = zmq.ZMQError( # type: ignore "send failed") with self.assertRaises(RuntimeError): ensure_zmq_send(mock_socket, b"hello", max_retries=2) self.assertEqual(mock_socket.send.call_count, 2) @patch("vllm_ascend.distributed.mooncake_connector.logger") def test_ensure_zmq_recv_success(self, mock_logger): mock_socket = MagicMock() mock_socket.recv.return_value = b"response" mock_poller = MagicMock() mock_poller.poll.return_value = [ (mock_socket, zmq.POLLIN) # type: ignore ] data = ensure_zmq_recv(mock_socket, mock_poller) self.assertEqual(data, b"response") @patch("vllm_ascend.distributed.mooncake_connector.logger") def test_ensure_zmq_recv_timeout_and_fail(self, mock_logger): mock_socket = MagicMock() mock_poller = MagicMock() mock_poller.poll.return_value = [] with self.assertRaises(RuntimeError): ensure_zmq_recv(mock_socket, mock_poller, timeout=0.01, max_retries=2) class MockMooncakeAgentMetadata: def __init__(self, **kwargs): pass class MockMooncakeConnectorMetadata: def __init__(self): self.requests = {} class MockKVCacheSendingThread(threading.Thread): def __init__(self, *args, **kwargs): super().__init__() self.daemon = True self._finished_requests = set() def get_and_clear_finished_requests(self): return self._finished_requests def start(self): pass class MockKVCacheRecvingThread(threading.Thread): def __init__(self, *args, **kwargs): super().__init__() self.daemon = True self._finished_requests = set() self.add_request = MagicMock() def get_and_clear_finished_requests(self): return self._finished_requests def start(self): pass class MockTensor: def __init__(self, *args, **kwargs): self.size = MagicMock(return_value=(10, 16, 8, 16)) self.element_size = MagicMock(return_value=4) self.shape = (10, 16, 8, 16) self.data_ptr = MagicMock(return_value=0x1000) mock_envs_ascend = MagicMock() mock_envs_ascend.MOONCAKE_CONNECTOR_PROTOCOL = "mock_protocol" mock_logger = MagicMock() class MockTransferEngine: def initialize(self, *args, **kwargs): return 0 def register_memory(self, *args, **kwargs): return 1 class MockEnvsAscend: MOONCAKE_CONNECTOR_PROTOCOL = "mock_protocol" PHYSICAL_DEVICES = "10,11" def mock_get_tensor_model_parallel_rank(): return 0 def mock_get_tp_group(): return MagicMock() def mock_get_ip(): return "127.0.0.1" def mock_string_to_int64_hash(s): return hash(s) class TestMooncakeConnectorWorker(unittest.TestCase): def setUp(self): self.envs_ascend_mock = MockEnvsAscend() self.mock_transfer_engine = MagicMock() self.mock_transfer_engine.get_rpc_port.return_value = 9090 self.mock_transfer_engine.initialize.return_value = 0 self.mock_transfer_engine.register_memory.return_value = 0 self.patches = [ patch( 'vllm_ascend.distributed.mooncake_layerwise_connector.envs_ascend.PHYSICAL_DEVICES', '10,11'), patch('torch.Tensor.size', return_value=(10, 16, 8, 16)), patch('torch.Tensor.element_size', return_value=4), patch('torch.Tensor.data_ptr', return_value=0x1000), patch('math.prod', return_value=128), patch('random.Random'), patch( 'vllm_ascend.distributed.mooncake_connector.get_tensor_model_parallel_rank', mock_get_tensor_model_parallel_rank), patch('vllm_ascend.distributed.mooncake_connector.get_tp_group', mock_get_tp_group), patch('vllm_ascend.distributed.mooncake_connector.get_ip', mock_get_ip), patch( 'vllm_ascend.distributed.mooncake_connector.string_to_int64_hash', mock_string_to_int64_hash), patch( 'vllm_ascend.distributed.mooncake.transfer_engine.TransferEngine', return_value=self.mock_transfer_engine), patch( 'vllm_ascend.distributed.mooncake_connector.KVCacheSendingThread', MagicMock()), patch( 'vllm_ascend.distributed.mooncake_connector.KVCacheRecvingThread', MagicMock()), patch('vllm_ascend.distributed.mooncake_connector.logger', MagicMock()), patch('vllm_ascend.distributed.mooncake_connector.threading.Event', MagicMock()), ] for p in self.patches: p.start() # type: ignore self.vllm_config = MockVllmConfig() self.engine_id = "test_engine" self.kv_caches = {"layer1": (MagicMock(), MagicMock())} def tearDown(self): for p in self.patches: p.stop() # type: ignore def test_worker_use_ascend_direct(self): test_case = [True, False] for use_ascend_direct in test_case: with self.subTest(use_ascend_direct=use_ascend_direct): config = MagicMock() config.kv_transfer_config = MagicMock() config.kv_transfer_config.get_from_extra_config.side_effect = ( lambda k, d: { "prefill": { "tp_size": 2, "dp_size": 1 }, "decode": { "tp_size": 2, "dp_size": 1 }, "use_ascend_direct": use_ascend_direct, }.get(k, d)) config.parallel_config = MagicMock() config.parallel_config.tensor_parallel_size = 2 config.parallel_config.data_parallel_rank = 0 config.parallel_config.data_parallel_size_local = 1 config.kv_transfer_config.kv_port = 8000 config.kv_transfer_config.kv_role = 'worker' with patch( "vllm_ascend.distributed.mooncake_connector.get_tensor_model_parallel_rank", return_value=0): with patch( "vllm_ascend.distributed.mooncake_connector.get_tp_group", return_value=None): with patch( "vllm_ascend.distributed.mooncake_connector.get_ip", return_value="127.0.0.1"): worker = MooncakeConnectorWorker( config, self.engine_id) self.assertIsNotNone(worker) def test_register_kv_caches_producer(self): worker = MooncakeConnectorWorker(self.vllm_config, self.engine_id) worker.register_kv_caches(self.kv_caches) self.assertEqual(len(worker.kv_caches), 1) self.assertIsNotNone(worker.kv_send_thread) self.assertIsNone(worker.kv_recv_thread) def test_register_kv_caches_consumer(self): self.vllm_config.kv_transfer_config.kv_role = 'kv_consumer' worker = MooncakeConnectorWorker(self.vllm_config, self.engine_id) worker.register_kv_caches(self.kv_caches) self.assertIsNone(worker.kv_send_thread) self.assertIsNotNone(worker.kv_recv_thread) def test_register_kv_caches_mla_case(self): mla_cache1 = MagicMock() mla_cache1.size.return_value = (10, 16, 1, 16) mla_cache2 = MagicMock() mla_cache2.size.return_value = (10, 16, 1, 8) mla_caches = {"layer1": (mla_cache1, mla_cache2)} worker = MooncakeConnectorWorker(self.vllm_config, self.engine_id) worker.register_kv_caches(mla_caches) self.assertTrue(worker.use_mla) self.assertEqual(len(worker.block_len), 2) def test_device_id_selection_with_physical_devices(self): # Test with physical devices set worker = MooncakeConnectorWorker(self.vllm_config, self.engine_id) # Default tp_rank is 0, so device_id should be 10 self.assertEqual(worker.device_id, 10) if __name__ == '__main__': unittest.main()