add a ut to guard the change

Author: guangyey

test/regressions/test_xpu_ops_header.py

@@ -0,0 +1,21 @@
+# Owner(s): ["module: intel"]
+import os
+
+import torch
+from torch.testing._internal.common_utils import TestCase
+
+
+class TestXpuOpsHeader(TestCase):
+    def test_xpu_ops_header(self):
+        include_dir = os.path.join(os.path.dirname(torch.__file__), "include")
+        aten_ops_dir = os.path.join(include_dir, "ATen/ops")
+        self.assertTrue(
+            os.path.exists(os.path.join(aten_ops_dir, "cat_xpu_dispatch.h"))
+        )
+        self.assertTrue(
+            os.path.exists(os.path.join(aten_ops_dir, "index_fill_xpu_dispatch.h"))
+        )
+        self.assertTrue(os.path.exists(os.path.join(aten_ops_dir, "col2im_native.h")))
+        with open(os.path.join(aten_ops_dir, "col2im_native.h")) as fr:
+            text = fr.read()
+            self.assertTrue("col2im_xpu" in text)