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vllm-ascend/tests/ut/test_platform.py
zhangxinyuehfad fdac146f71 [UT] fix skip ut test and enable ut test run normally (#3410) 
### What this PR does / why we need it?

fix skip ut test and enable ut test run normally

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?


- vLLM version: v0.11.0rc3
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0

Signed-off-by: hfadzxy <starmoon_zhang@163.com>
2025-10-20 16:30:57 +08:00

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import importlib
import unittest
from datetime import timedelta
from unittest.mock import MagicMock, patch
import pytest
import torch
from torch.distributed import ProcessGroup
from torch.distributed.distributed_c10d import PrefixStore
from vllm.config import CompilationLevel
from vllm.config.compilation import CUDAGraphMode
from vllm.platforms import PlatformEnum
from tests.ut.base import TestBase
from vllm_ascend.platform import NPUPlatform
from vllm_ascend.utils import ASCEND_QUANTIZATION_METHOD
class TestNPUPlatform(TestBase):
@staticmethod
def mock_vllm_config():
mock_vllm_config = MagicMock()
mock_vllm_config.compilation_config = MagicMock()
mock_vllm_config.model_config = MagicMock()
mock_vllm_config.parallel_config = MagicMock()
mock_vllm_config.cache_config = MagicMock()
mock_vllm_config.scheduler_config = MagicMock()
mock_vllm_config.speculative_config = None
mock_vllm_config.compilation_config.pass_config.enable_sequence_parallelism = False
mock_vllm_config.compilation_config.cudagraph_mode = None
return mock_vllm_config
@staticmethod
def mock_vllm_ascend_config():
mock_ascend_config = MagicMock()
mock_ascend_config.torchair_graph_config.enabled = False
mock_ascend_config.ascend_scheduler_config.enabled = False
mock_ascend_config.enable_shared_expert_dp = False
return mock_ascend_config
def setUp(self):
self.platform = NPUPlatform()
def test_class_variables(self):
self.assertEqual(NPUPlatform._enum, PlatformEnum.OOT)
self.assertEqual(NPUPlatform.device_name, "npu")
self.assertEqual(NPUPlatform.device_type, "npu")
self.assertEqual(NPUPlatform.simple_compile_backend, "eager")
self.assertEqual(NPUPlatform.ray_device_key, "NPU")
self.assertEqual(NPUPlatform.device_control_env_var,
"ASCEND_RT_VISIBLE_DEVICES")
self.assertEqual(NPUPlatform.dispatch_key, "PrivateUse1")
self.assertEqual(NPUPlatform.supported_quantization,
[ASCEND_QUANTIZATION_METHOD])
def test_is_sleep_mode_available(self):
self.assertTrue(self.platform.is_sleep_mode_available())
@patch("vllm_ascend.utils.adapt_patch")
@patch("vllm_ascend.quantization.quant_config.AscendQuantConfig")
def test_pre_register_and_update_with_parser(self, mock_quant_config,
mock_adapt_patch):
mock_parser = MagicMock()
mock_action = MagicMock()
mock_action.choices = ["awq", "gptq"]
mock_parser._option_string_actions = {"--quantization": mock_action}
self.platform.pre_register_and_update(mock_parser)
mock_adapt_patch.assert_called_once_with(is_global_patch=True)
self.assertTrue(ASCEND_QUANTIZATION_METHOD in mock_action.choices)
self.assertEqual(len(mock_action.choices), 3) # original 2 + ascend
@patch("vllm_ascend.utils.adapt_patch")
@patch("vllm_ascend.quantization.quant_config.AscendQuantConfig")
def test_pre_register_and_update_without_parser(self, mock_quant_config,
mock_adapt_patch):
self.platform.pre_register_and_update(None)
mock_adapt_patch.assert_called_once_with(is_global_patch=True)
@patch("vllm_ascend.utils.adapt_patch")
@patch("vllm_ascend.quantization.quant_config.AscendQuantConfig")
def test_pre_register_and_update_with_parser_no_quant_action(
self, mock_quant_config, mock_adapt_patch):
mock_parser = MagicMock()
mock_parser._option_string_actions = {}
self.platform.pre_register_and_update(mock_parser)
mock_adapt_patch.assert_called_once_with(is_global_patch=True)
@patch("vllm_ascend.utils.adapt_patch")
@patch("vllm_ascend.quantization.quant_config.AscendQuantConfig")
def test_pre_register_and_update_with_existing_ascend_quant(
self, mock_quant_config, mock_adapt_patch):
mock_parser = MagicMock()
mock_action = MagicMock()
mock_action.choices = ["awq", ASCEND_QUANTIZATION_METHOD]
mock_parser._option_string_actions = {"--quantization": mock_action}
self.platform.pre_register_and_update(mock_parser)
mock_adapt_patch.assert_called_once_with(is_global_patch=True)
self.assertEqual(len(mock_action.choices), 2)
def test_get_device_capability(self):
self.assertIsNone(self.platform.get_device_capability(device_id=0))
@patch("torch.npu.get_device_name")
def test_get_device_name(self, mock_get_device_name):
device_id = 0
device_name = "Ascend910B2"
mock_get_device_name.return_value = device_name
self.assertEqual(self.platform.get_device_name(device_id), device_name)
mock_get_device_name.assert_called_once_with(0)
def test_is_async_output_supported(self):
self.assertTrue(
self.platform.is_async_output_supported(enforce_eager=None))
self.assertTrue(
self.platform.is_async_output_supported(enforce_eager=True))
self.assertTrue(
self.platform.is_async_output_supported(enforce_eager=False))
@patch("torch.inference_mode")
def test_inference_mode(self, mock_inference_mode):
mock_inference_mode.return_value = None
self.assertIsNone(self.platform.inference_mode())
mock_inference_mode.assert_called_once()
@patch("torch.npu.set_device")
def test_set_device_normal(self, mock_set_device):
device = torch.device("npu:0")
self.platform.set_device(device)
mock_set_device.assert_called_once_with(device)
@patch("torch.npu.set_device",
side_effect=RuntimeError("Device not available"))
def test_set_device_failure(self, mock_set_device):
device = torch.device("npu:0")
with self.assertRaises(RuntimeError):
self.platform.set_device(device)
mock_set_device.assert_called_once_with(device)
@patch("torch.npu.empty_cache")
def test_empty_cache_normal(self, mock_empty_cache):
self.platform.empty_cache()
mock_empty_cache.assert_called_once()
@patch("torch.npu.empty_cache",
side_effect=RuntimeError("Cache clearing failed"))
def test_empty_cache_failure(self, mock_empty_cache):
with self.assertRaises(RuntimeError):
self.platform.empty_cache()
mock_empty_cache.assert_called_once()
@patch("torch.npu.synchronize")
def test_synchronize_normal(self, mock_synchronize):
self.platform.synchronize()
mock_synchronize.assert_called_once()
@patch("torch.npu.synchronize",
side_effect=RuntimeError("Synchronization failed"))
def test_synchronize_failure(self, mock_synchronize):
with self.assertRaises(RuntimeError):
self.platform.synchronize()
mock_synchronize.assert_called_once()
@patch("torch.npu.mem_get_info")
def test_mem_get_info_normal(self, mock_mem_get_info):
free_memory_size = 1024
total_memory_size = 2048
memory_info = (free_memory_size, total_memory_size)
mock_mem_get_info.return_value = memory_info
result = self.platform.mem_get_info()
self.assertIsInstance(result, tuple)
self.assertEqual(len(result), 2)
self.assertEqual(result, memory_info)
mock_mem_get_info.assert_called_once()
@patch("torch.npu.mem_get_info",
side_effect=RuntimeError("NPU not available"))
def test_mem_get_info_failure(self, mock_mem_get_info):
with self.assertRaises(RuntimeError):
self.platform.mem_get_info()
mock_mem_get_info.assert_called_once()
@patch("gc.collect")
@patch("torch.npu.empty_cache")
@patch("torch.npu.reset_peak_memory_stats")
def test_clear_npu_memory_normal(self, mock_reset_stats, mock_empty_cache,
mock_gc_collect):
self.platform.clear_npu_memory()
mock_gc_collect.assert_called_once()
mock_empty_cache.assert_called_once()
mock_reset_stats.assert_called_once()
@patch("gc.collect", side_effect=Exception("GC failed"))
@patch("torch.npu.empty_cache")
@patch("torch.npu.reset_peak_memory_stats")
def test_clear_npu_memory_gc_collect_failure(self, mock_reset_stats,
mock_empty_cache,
mock_gc_collect):
with self.assertRaises(Exception):
self.platform.clear_npu_memory()
mock_gc_collect.assert_called_once()
mock_empty_cache.assert_not_called()
mock_reset_stats.assert_not_called()
@patch("gc.collect")
@patch("torch.npu.empty_cache",
side_effect=RuntimeError("Cache clear failed"))
@patch("torch.npu.reset_peak_memory_stats")
def test_clear_npu_memory_empty_cache_failure(self, mock_reset_stats,
mock_empty_cache,
mock_gc_collect):
with self.assertRaises(RuntimeError):
self.platform.clear_npu_memory()
mock_gc_collect.assert_called_once()
mock_empty_cache.assert_called_once()
mock_reset_stats.assert_not_called()
@patch("gc.collect")
@patch("torch.npu.empty_cache")
@patch("torch.npu.reset_peak_memory_stats",
side_effect=RuntimeError("Reset failed"))
def test_clear_npu_memory_reset_stats_failure(self, mock_reset_stats,
mock_empty_cache,
mock_gc_collect):
with self.assertRaises(RuntimeError):
self.platform.clear_npu_memory()
mock_gc_collect.assert_called_once()
mock_empty_cache.assert_called_once()
mock_reset_stats.assert_called_once()
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch("vllm_ascend.utils.update_aclgraph_sizes")
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("os.environ", {})
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_basic_config_update(
self, mock_init_recompute, mock_is_310p, mock_update_acl,
mock_init_ascend, mock_check_ascend):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.parallel_config.enable_expert_parallel = False
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
# Use importlib.reload to reload the platform module, ensuring the mocked init_ascend_config method is used.
# Without this reload, when calling self.platform.check_and_update_config,
# it would execute the original unmocked init_ascend_config method, causing the unit test to fail.
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
mock_init_ascend.assert_called_once_with(vllm_config)
mock_check_ascend.assert_called_once()
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_no_model_config_warning(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.model_config = None
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
with self.assertLogs(logger="vllm", level="WARNING") as cm:
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertTrue("Model config is missing" in cm.output[0])
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_enforce_eager_mode(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.model_config.enforce_eager = True
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
with self.assertLogs(logger="vllm", level="INFO") as cm:
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertTrue("Compilation disabled, using eager mode by default" in
cm.output[0])
self.assertEqual(
vllm_config.compilation_config.level,
CompilationLevel.NO_COMPILATION,
)
self.assertEqual(
vllm_config.compilation_config.cudagraph_mode,
CUDAGraphMode.NONE,
)
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_unsupported_compilation_level(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.model_config.enforce_eager = False
vllm_config.compilation_config.level = CompilationLevel.DYNAMO_ONCE
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
with self.assertLogs(logger="vllm", level="WARNING") as cm:
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertTrue("NPU does not support" in cm.output[0])
self.assertEqual(
vllm_config.compilation_config.level,
CompilationLevel.NO_COMPILATION,
)
self.assertEqual(
vllm_config.compilation_config.cudagraph_mode,
CUDAGraphMode.NONE,
)
@pytest.mark.skip(
"Revert me when vllm support setting cudagraph_mode on oot platform")
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
def test_check_and_update_config_unsupported_cudagraph_mode(
self, mock_init_ascend, mock_check_ascend, mock_is_310p):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.model_config.enforce_eager = False
vllm_config.compilation_config.cudagraph_mode = CUDAGraphMode.FULL
with self.assertLogs(logger="vllm", level="INFO") as cm:
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertTrue(
"cudagraph_mode is not support on NPU. falling back to NONE" in
cm.output[0])
self.assertEqual(
vllm_config.compilation_config.level,
CompilationLevel.NO_COMPILATION,
)
self.assertEqual(
vllm_config.compilation_config.cudagraph_mode,
CUDAGraphMode.NONE,
)
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_torchair_enabled_compilation(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_ascend_config = TestNPUPlatform.mock_vllm_ascend_config()
mock_ascend_config.torchair_graph_config.enabled = True
mock_init_ascend.return_value = mock_ascend_config
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.model_config.enforce_eager = False
vllm_config.compilation_config.level = CompilationLevel.PIECEWISE
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
with self.assertLogs(logger="vllm", level="INFO") as cm:
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertTrue("Torchair compilation enabled" in cm.output[0])
self.assertEqual(
vllm_config.compilation_config.level,
CompilationLevel.NO_COMPILATION,
)
self.assertEqual(
vllm_config.compilation_config.cudagraph_mode,
CUDAGraphMode.NONE,
)
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_cache_config_block_size(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.cache_config.block_size = None
vllm_config.cache_config.enable_prefix_caching = True
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertEqual(vllm_config.cache_config.block_size, 128)
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_v1_worker_class_selection(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.parallel_config.worker_cls = "auto"
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertEqual(
vllm_config.parallel_config.worker_cls,
"vllm_ascend.worker.worker_v1.NPUWorker",
)
test_ascend_config = TestNPUPlatform.mock_vllm_ascend_config()
test_ascend_config.torchair_graph_config.enabled = True
mock_init_ascend.return_value = test_ascend_config
vllm_config.parallel_config.worker_cls = "auto"
self.platform.check_and_update_config(vllm_config)
self.assertEqual(
vllm_config.parallel_config.worker_cls,
"vllm_ascend.torchair.torchair_worker.NPUTorchairWorker",
)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch("vllm_ascend.utils.is_310p", return_value=True)
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_310p_no_custom_ops(
self, mock_init_recompute, mock_is_310p, mock_init_ascend,
mock_check_ascend):
mock_init_ascend.return_value = TestNPUPlatform.mock_vllm_ascend_config(
)
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.compilation_config.custom_ops = []
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
self.assertEqual(vllm_config.compilation_config.custom_ops, [])
@patch("vllm_ascend.utils.is_310p", return_value=False)
@patch("vllm_ascend.ascend_config.check_ascend_config")
@patch("vllm_ascend.ascend_config.init_ascend_config")
@patch(
"vllm_ascend.core.recompute_schedule_config.RecomputeSchedulerConfig.initialize_from_config"
)
def test_check_and_update_config_ascend_scheduler_config(
self, mock_init_recompute, mock_init_ascend, mock_check_ascend,
mock_is_310p):
mock_ascend_config = TestNPUPlatform.mock_vllm_ascend_config()
mock_ascend_config.ascend_scheduler_config.enabled = True
mock_init_ascend.return_value = mock_ascend_config
vllm_config = TestNPUPlatform.mock_vllm_config()
vllm_config.parallel_config.tensor_parallel_size = 1
mock_init_recompute.return_value = MagicMock()
with patch("vllm_ascend.core.schedule_config.AscendSchedulerConfig"
) as mock_scheduler:
from vllm_ascend import platform
importlib.reload(platform)
self.platform.check_and_update_config(vllm_config)
mock_scheduler.initialize_from_config.assert_called_once()
@patch('vllm_ascend.platform.get_ascend_config')
def test_get_attn_backend_cls_use_v1_and_mla(self, mock_get_ascend_config):
mock_config = MagicMock()
mock_config.torchair_graph_config.enabled = False
mock_config.enable_shared_expert_dp = False
mock_get_ascend_config.return_value = mock_config
result = self.platform.get_attn_backend_cls(
selected_backend="ascend",
head_size=64,
dtype="float16",
kv_cache_dtype="float16",
block_size=64,
use_v1=True,
#use_sfa=False,
use_mla=True,
)
self.assertEqual(result,
"vllm_ascend.attention.mla_v1.AscendMLABackend")
@patch('vllm_ascend.platform.get_ascend_config')
def test_get_attn_backend_cls_use_v1_mla_and_torchair(
self, mock_get_ascend_config):
mock_config = MagicMock()
mock_config.torchair_graph_config.enabled = True
mock_get_ascend_config.return_value = mock_config
result = self.platform.get_attn_backend_cls(
selected_backend="ascend",
head_size=64,
dtype="float16",
kv_cache_dtype="float16",
block_size=64,
use_v1=True,
#use_sfa=False,
use_mla=True,
)
self.assertEqual(
result,
"vllm_ascend.torchair.torchair_mla.AscendMLATorchairBackend")
@patch('vllm_ascend.platform.get_ascend_config')
def test_get_attn_backend_cls_use_v1_and_torchair(self,
mock_get_ascend_config):
mock_config = MagicMock()
mock_config.torchair_graph_config.enabled = True
mock_get_ascend_config.return_value = mock_config
result = self.platform.get_attn_backend_cls(
selected_backend="ascend",
head_size=64,
dtype="float16",
kv_cache_dtype="float16",
block_size=64,
use_v1=True,
#use_sfa=False,
use_mla=False,
)
self.assertEqual(
result,
"vllm_ascend.torchair.torchair_attention.AscendAttentionTorchairBackend"
)
@patch('vllm_ascend.platform.get_ascend_config')
def test_get_attn_backend_cls_use_v1_only(self, mock_get_ascend_config):
mock_config = MagicMock()
mock_config.torchair_graph_config.enabled = False
mock_get_ascend_config.return_value = mock_config
result = self.platform.get_attn_backend_cls(
selected_backend="ascend",
head_size=64,
dtype="float16",
kv_cache_dtype="float16",
block_size=64,
use_v1=True,
#use_sfa=False,
use_mla=False,
)
self.assertEqual(
result,
"vllm_ascend.attention.attention_v1.AscendAttentionBackend")
def test_get_punica_wrapper(self):
result = self.platform.get_punica_wrapper()
self.assertEqual(result,
"vllm_ascend.lora.punica_npu.PunicaWrapperNPU")
@patch("torch.npu.reset_peak_memory_stats")
@patch("torch.npu.max_memory_allocated")
def test_get_current_memory_usage_with_specific_device(
self, mock_max_memory, mock_reset_stats):
max_memory_allocated_result = 1024.0
mock_max_memory.return_value = max_memory_allocated_result
test_device = torch.device("npu:0")
result = self.platform.get_current_memory_usage(device=test_device)
mock_reset_stats.assert_called_once_with(test_device)
mock_max_memory.assert_called_once_with(test_device)
self.assertEqual(result, max_memory_allocated_result)
@patch("torch.npu.reset_peak_memory_stats")
@patch("torch.npu.max_memory_allocated")
def test_get_current_memory_usage_with_default_device(
self, mock_max_memory, mock_reset_stats):
max_memory_allocated_result = 1024.0
mock_max_memory.return_value = max_memory_allocated_result
result = self.platform.get_current_memory_usage()
mock_reset_stats.assert_called_once_with(None)
mock_max_memory.assert_called_once_with(None)
self.assertEqual(result, max_memory_allocated_result)
@patch("torch.npu.reset_peak_memory_stats",
side_effect=RuntimeError("Device error"))
@patch("torch.npu.max_memory_allocated")
def test_get_current_memory_usage_when_reset_stats_fails(
self, mock_max_memory, mock_reset_stats):
with self.assertRaises(RuntimeError):
self.platform.get_current_memory_usage()
mock_reset_stats.assert_called_once()
mock_max_memory.assert_not_called()
@patch("torch.npu.reset_peak_memory_stats")
@patch(
"torch.npu.max_memory_allocated",
side_effect=RuntimeError("Memory query failed"),
)
def test_get_current_memory_usage_when_query_fails(self, mock_max_memory,
mock_reset_stats):
with self.assertRaises(RuntimeError):
self.platform.get_current_memory_usage()
mock_reset_stats.assert_called_once()
mock_max_memory.assert_called_once()
def test_get_device_communicator_cls_returns_correct_value(self):
self.assertEqual(
self.platform.get_device_communicator_cls(),
"vllm_ascend.distributed.communicator.NPUCommunicator",
)
def test_is_pin_memory_available_returns_true(self):
self.assertTrue(self.platform.is_pin_memory_available())
def test_supports_v1(self):
from vllm.config import ModelConfig
mock_config = MagicMock(spec=ModelConfig)
self.assertTrue(self.platform.supports_v1(mock_config))
def test_get_static_graph_wrapper_cls_returns_correct_value(self):
self.assertEqual(
self.platform.get_static_graph_wrapper_cls(),
"vllm_ascend.compilation.acl_graph.ACLGraphWrapper",
)
@patch("torch.distributed.is_hccl_available", return_value=True)
@patch("torch_npu._C._distributed_c10d.ProcessGroupHCCL")
@patch("torch.distributed.ProcessGroup")
def test_successful_initialization(self, mock_pg, mock_pg_hccl, _):
mock_prefix = MagicMock(spec=PrefixStore)
mock_backend = MagicMock()
mock_pg_hccl.return_value = mock_backend
group_rank = 0
group_size = 4
mock_pg_instance = MagicMock(spec=ProcessGroup)
mock_pg.return_value = mock_pg_instance
# Use importlib.reload() to force-reload the platform module and ensure the mocked ProcessGroup is used.
# Without this reload, when executing self.platform.stateless_init_device_torch_dist_pg(),
# it would invoke the original unmocked ProcessGroup implementation instead of our test mock,
# which would cause the unit test to fail.
from vllm_ascend import platform
importlib.reload(platform)
result = self.platform.stateless_init_device_torch_dist_pg(
backend="hccl",
prefix_store=mock_prefix,
group_rank=group_rank,
group_size=group_size,
timeout=timedelta(seconds=30),
)
mock_pg.assert_called_once_with(mock_prefix, group_rank, group_size)
mock_pg_hccl.assert_called_once_with(mock_prefix, group_rank,
group_size, unittest.mock.ANY)
mock_backend._set_sequence_number_for_group.assert_called_once()
mock_pg_instance._register_backend.assert_called_once_with(
torch.device("npu"), unittest.mock.ANY, mock_backend)
self.assertEqual(result, mock_pg_instance)
@patch("torch.distributed.is_hccl_available", return_value=False)
def test_hccl_unavailable(self, _):
with self.assertRaises(AssertionError):
from vllm_ascend import platform
importlib.reload(platform)
self.platform.stateless_init_device_torch_dist_pg(
backend="hccl",
prefix_store=MagicMock(),
group_rank=0,
group_size=4,
timeout=timedelta(seconds=30),
)
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