[NPU]Support torch_npu profiler patch API drift (#26356)

Co-authored-by: leland17 <lileliao@foxmail.com>
Co-authored-by: OmX <omx@oh-my-codex.dev>
Co-authored-by: ronnie_zheng <zl19940307@163.com>

test/registered/unit/utils/test_torch_npu_patch_utils.py

@@ -0,0 +1,41 @@
+import types
+import unittest
+
+from sglang.srt.utils.torch_npu_patch_utils import apply_torch_npu_patches
+from sglang.test.ci.ci_register import register_cpu_ci
+
+register_cpu_ci(est_time=1, suite="base-a-test-cpu")
+
+
+class TestTorchNpuPatchUtils(unittest.TestCase):
+    def test_apply_torch_npu_patches_uses_targeted_api_when_available(self):
+        calls = []
+        torch_npu = types.SimpleNamespace(
+            _apply_patches=lambda patches: calls.append(("_apply_patches", patches)),
+            _apply_all_patches=lambda: calls.append(("_apply_all_patches", None)),
+        )
+        patches = [["profiler.profile", object()]]
+
+        apply_torch_npu_patches(torch_npu, patches)
+
+        self.assertEqual(calls, [("_apply_patches", patches)])
+
+    def test_apply_torch_npu_patches_uses_all_patches_api_when_targeted_api_missing(
+        self,
+    ):
+        calls = []
+        torch_npu = types.SimpleNamespace(
+            _apply_all_patches=lambda: calls.append("_apply_all_patches")
+        )
+
+        apply_torch_npu_patches(torch_npu, [["profiler.profile", object()]])
+
+        self.assertEqual(calls, ["_apply_all_patches"])
+
+    def test_apply_torch_npu_patches_requires_supported_api(self):
+        with self.assertRaises(AttributeError):
+            apply_torch_npu_patches(types.SimpleNamespace(), [])
+
+
+if __name__ == "__main__":
+    unittest.main()