| 1 | # SPDX-License-Identifier: Apache-2.0 |
| 2 | # SPDX-FileCopyrightText: Copyright contributors to the vLLM project |
| 3 | import os |
| 4 | import shutil |
| 5 | |
| 6 | import pytest |
| 7 | |
| 8 | from vllm.plugins.lora_resolvers.filesystem_resolver import FilesystemResolver |
| 9 | from vllm.transformers_utils.repo_utils import hf_api |
| 10 | |
| 11 | MODEL_NAME = "Qwen/Qwen3-0.6B" |
| 12 | LORA_NAME = "charent/self_cognition_Alice" |
| 13 | PA_NAME = "swapnilbp/llama_tweet_ptune" |
| 14 | |
| 15 | |
| 16 | @pytest.fixture(scope="module") |
| 17 | def adapter_cache(request, tmpdir_factory): |
| 18 | # Create dir that mimics the structure of the adapter cache |
| 19 | adapter_cache = tmpdir_factory.mktemp(request.module.__name__) / "adapter_cache" |
| 20 | return adapter_cache |
| 21 | |
| 22 | |
| 23 | @pytest.fixture(scope="module") |
| 24 | def qwen3_lora_files(): |
| 25 | return hf_api().snapshot_download(repo_id=LORA_NAME) |
| 26 | |
| 27 | |
| 28 | @pytest.fixture(scope="module") |
| 29 | def pa_files(): |
| 30 | return hf_api().snapshot_download(repo_id=PA_NAME) |
| 31 | |
| 32 | |
| 33 | @pytest.mark.asyncio |
| 34 | async def test_filesystem_resolver(adapter_cache, qwen3_lora_files): |
| 35 | model_files = adapter_cache / LORA_NAME |
| 36 | shutil.copytree(qwen3_lora_files, model_files) |
| 37 | |
| 38 | fs_resolver = FilesystemResolver(adapter_cache) |
| 39 | assert fs_resolver is not None |
| 40 | |
| 41 | lora_request = await fs_resolver.resolve_lora(MODEL_NAME, LORA_NAME) |
| 42 | assert lora_request is not None |
| 43 | assert lora_request.lora_name == LORA_NAME |
| 44 | assert lora_request.lora_path == os.path.join(adapter_cache, LORA_NAME) |
| 45 | |
| 46 | |
| 47 | @pytest.mark.asyncio |
| 48 | async def test_missing_adapter(adapter_cache): |
| 49 | fs_resolver = FilesystemResolver(adapter_cache) |
| 50 | assert fs_resolver is not None |
| 51 | |
| 52 | missing_lora_request = await fs_resolver.resolve_lora(MODEL_NAME, "foobar") |
| 53 | assert missing_lora_request is None |
| 54 | |
| 55 | |
| 56 | @pytest.mark.asyncio |
| 57 | async def test_nonlora_adapter(adapter_cache, pa_files): |
| 58 | model_files = adapter_cache / PA_NAME |
| 59 | shutil.copytree(pa_files, model_files) |
| 60 | |
| 61 | fs_resolver = FilesystemResolver(adapter_cache) |
| 62 | assert fs_resolver is not None |
| 63 | |
| 64 | pa_request = await fs_resolver.resolve_lora(MODEL_NAME, PA_NAME) |
| 65 | assert pa_request is None |