[RoFormer] Fix some issues (#12397)

* add RoFormerTokenizerFast into AutoTokenizer

* fix typo in roformer docs

* make onnx export happy

* update RoFormerConfig embedding_size

* use jieba not rjieba

* fix 12244 and make test_alignement passed

* update ARCHIVE_MAP

* make style & quality & fixup

* update

* make style & quality & fixup

* make style quality fixup

* update

* suggestion from LysandreJik

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

* make style

* use rjieba

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

src/transformers/testing_utils.py

@@ -35,6 +35,7 @@ from .file_utils import (
     is_flax_available,
     is_onnx_available,
     is_pandas_available,
+    is_rjieba_available,
     is_scatter_available,
     is_sentencepiece_available,
     is_soundfile_availble,
@@ -223,6 +224,16 @@ def require_git_lfs(test_case):
         return test_case
 
 
+def require_rjieba(test_case):
+    """
+    Decorator marking a test that requires rjieba. These tests are skipped when rjieba isn't installed.
+    """
+    if not is_rjieba_available():
+        return unittest.skip("test requires rjieba")(test_case)
+    else:
+        return test_case
+
+
 def require_onnx(test_case):
     if not is_onnx_available():
         return unittest.skip("test requires ONNX")(test_case)