Files
xc-llm-ascend/tests/ut/sample/test_sampler.py
wangxiyuan 9b67c87b14 [Refactor]Refactor sampler (#2050)
Refactor Sampler implementation from patch way to inherit from vLLM
Sampler interface.

Next step: Make the op `TopKTopPSampler` in vLLM support custom ops
register mechanism

- vLLM version: v0.10.0
- vLLM main:
61a6905ab0

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>
2025-07-30 08:47:22 +08:00

33 lines
1.0 KiB
Python

from unittest import mock
import torch
from tests.ut.base import TestBase
from vllm_ascend.sample.sampler import AscendSampler, AscendTopKTopPSampler
class TestAscendSampler(TestBase):
def test_init_with_raw_logprobs(self):
sampler = AscendSampler(logprobs_mode="raw_logprobs")
self.assertEqual(sampler.logprobs_mode, "raw_logprobs")
self.assertTrue(hasattr(sampler, 'topk_topp_sampler'))
self.assertIsInstance(sampler.topk_topp_sampler, AscendTopKTopPSampler)
class TestAscendTopKTopPSampler(TestBase):
@mock.patch("torch_npu.npu_top_k_top_p")
def test_npu_topk_topp_called_when_optimized(self, mock_npu_op):
mock_npu_op.return_value = (torch.randn(1, 3))
sampler = AscendTopKTopPSampler()
logits = torch.tensor([[1.0, 2.0, 3.0]])
k = torch.tensor([2])
p = torch.tensor([0.9])
generators = {0: torch.Generator()}
generators[0].manual_seed(42)
sampler.forward_native(logits, generators, k, p)
mock_npu_op.assert_called_once_with(logits, p, k)