Add assert for static and other plateform (#56044)

python/paddle/incubate/nn/functional/fused_rotary_position_embedding.py

@@ -17,7 +17,7 @@ from paddle import _C_ops
 from paddle.framework import in_dynamic_mode
 
 
-def fused_rotary_position_embedding(q, k, v):
+def fused_rotary_position_embedding(q, k=None, v=None):
     r"""
     Fused rotary position embedding.
 
@@ -47,3 +47,7 @@ def fused_rotary_position_embedding(q, k, v):
     """
     if in_dynamic_mode():
         return _C_ops.fused_rotary_position_embedding(q, k, v)
+
+    raise RuntimeError(
+        "This feature is currently supported only in dynamic mode and with CUDAPlace."
+    )

test/legacy_test/test_fused_rotary_position_embedding.py

@@ -139,6 +139,15 @@ class TestFusedRotaryPositionEmbedding(unittest.TestCase):
                 p_bw[i].numpy(), f_bw[i].numpy(), rtol=1e-05
             )
 
+    def test_error(self):
+        paddle.enable_static()
+        with self.assertRaises(RuntimeError):
+            static_q = paddle.static.data(
+                name="q", shape=self.shape, dtype=self.dtype
+            )
+            fused_rotary_position_embedding(static_q, static_q, static_q)
+        paddle.disable_static()
+
 
 if __name__ == '__main__':
     unittest.main()