[Build] Add build info (#1386)

Add static build_info py file to show soc and sleep mode info. It helps
to make the code clean and the error info will be more friendly for
users

This PR also added the unit test for vllm_ascend/utils.py

This PR also added the base test class for all ut in tests/ut/base.py

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

vllm_ascend/worker/worker_v1.py

@@ -40,7 +40,7 @@ from vllm_ascend.ascend_config import init_ascend_config
 from vllm_ascend.device_allocator.camem import CaMemAllocator
 from vllm_ascend.distributed.parallel_state import init_ascend_model_parallel
 from vllm_ascend.platform import NPUPlatform
-from vllm_ascend.utils import try_register_lib
+from vllm_ascend.utils import sleep_mode_enabled, try_register_lib
 from vllm_ascend.worker.model_runner_v1 import NPUModelRunner
 
 
@@ -91,6 +91,10 @@ class NPUWorker(WorkerBase):
         self.profiler = self._init_profiler()
 
     def sleep(self, level: int = 1) -> None:
+        if not sleep_mode_enabled():
+            raise ValueError(
+                "Sleep mode is not enabled. Please compile vllm-ascend with COMPILE_CUSTOM_KERNELS=1."
+            )
         free_bytes_before_sleep = NPUPlatform.mem_get_info()[0]
         allocator = CaMemAllocator.get_instance()
         allocator.sleep(offload_tags=("weights", ) if level == 1 else tuple())
@@ -104,6 +108,10 @@ class NPUWorker(WorkerBase):
             used_bytes / GiB_bytes)
 
     def wake_up(self, tags: Optional[list[str]] = None) -> None:
+        if not sleep_mode_enabled():
+            raise ValueError(
+                "Sleep mode is not enabled. Please compile vllm-ascend with COMPILE_CUSTOM_KERNELS=1."
+            )
         allocator = CaMemAllocator.get_instance()
         allocator.wake_up(tags=tags)