| 1 | # SPDX-License-Identifier: Apache-2.0 |
| 2 | # SPDX-FileCopyrightText: Copyright contributors to the vLLM project |
| 3 | |
| 4 | from vllm.config import ( |
| 5 | DeviceConfig, |
| 6 | KVTransferConfig, |
| 7 | ModelConfig, |
| 8 | VllmConfig, |
| 9 | set_current_vllm_config, |
| 10 | ) |
| 11 | from vllm.distributed.kv_transfer.kv_connector.utils import ( |
| 12 | get_kv_connector_cache_layout, |
| 13 | ) |
| 14 | from vllm.logger import init_logger |
| 15 | |
| 16 | logger = init_logger("test_expert_parallel") |
| 17 | |
| 18 | |
| 19 | def test_get_kv_connector_cache_layout_without_kv_connector(): |
| 20 | vllm_config = VllmConfig(device_config=DeviceConfig("cpu")) |
| 21 | with set_current_vllm_config(vllm_config): |
| 22 | # Test with default settings |
| 23 | layout = get_kv_connector_cache_layout() |
| 24 | assert layout is None |
| 25 | |
| 26 | |
| 27 | def test_get_kv_connector_cache_layout_with_lmcache_connector(): |
| 28 | kv_transfer_config = KVTransferConfig( |
| 29 | kv_connector="LMCacheConnectorV1", |
| 30 | kv_role="kv_both", |
| 31 | ) |
| 32 | vllm_config = VllmConfig( |
| 33 | device_config=DeviceConfig("cpu"), kv_transfer_config=kv_transfer_config |
| 34 | ) |
| 35 | with set_current_vllm_config(vllm_config): |
| 36 | # Test with default settings |
| 37 | layout = get_kv_connector_cache_layout() |
| 38 | assert layout is None |
| 39 | |
| 40 | |
| 41 | def test_get_kv_connector_cache_layout_with_nixl_connector(): |
| 42 | kv_transfer_config = KVTransferConfig( |
| 43 | kv_connector="NixlConnector", |
| 44 | kv_role="kv_both", |
| 45 | ) |
| 46 | model_config = ModelConfig() |
| 47 | vllm_config = VllmConfig( |
| 48 | device_config=DeviceConfig("cpu"), |
| 49 | model_config=model_config, |
| 50 | kv_transfer_config=kv_transfer_config, |
| 51 | ) |
| 52 | with set_current_vllm_config(vllm_config): |
| 53 | # Test with default settings |
| 54 | layout = get_kv_connector_cache_layout() |
| 55 | assert layout == "LBHNC" |
| 56 | |
| 57 | |
| 58 | def test_get_kv_connector_cache_layout_with_multi_connector(): |
| 59 | kv_transfer_config = KVTransferConfig( |
| 60 | kv_connector="MultiConnector", |
| 61 | kv_role="kv_both", |
| 62 | kv_connector_extra_config={ |
| 63 | "connectors": [ |
| 64 | {"kv_connector": "ExampleConnector", "kv_role": "kv_both"}, |
| 65 | {"kv_connector": "NixlConnector", "kv_role": "kv_both"}, |
| 66 | ] |
| 67 | }, |
| 68 | ) |
| 69 | model_config = ModelConfig() |
| 70 | vllm_config = VllmConfig( |
| 71 | device_config=DeviceConfig("cpu"), |
| 72 | model_config=model_config, |
| 73 | kv_transfer_config=kv_transfer_config, |
| 74 | ) |
| 75 | with set_current_vllm_config(vllm_config): |
| 76 | # Test with default settings |
| 77 | layout = get_kv_connector_cache_layout() |
| 78 | assert layout == "LBHNC" |