Add DeBERTa model (#5929)

* Add DeBERTa model * Remove dependency of deberta * Address comments * Patch DeBERTa Documentation Style * Add final tests * Style * Enable tests + nitpicks * position IDs * BERT -> DeBERTa * Quality * Style * Tokenization * Last updates. * @patrickvonplaten's comments * Not everything can be a copy * Apply most of @sgugger's review Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com> * Last reviews * DeBERTa -> Deberta Co-authored-by: Lysandre <lysandre.debut@reseau.eseo.fr> Co-authored-by: Lysandre Debut <lysandre@huggingface.co> Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
2020-09-30 04:07:30 -07:00
parent 44a93c981f
commit 7a0cf0ec93
16 changed files with 2350 additions and 3 deletions
--- a/tests/test_tokenization_deberta.py
+++ b/tests/test_tokenization_deberta.py
@@ -0,0 +1,74 @@
+# coding=utf-8
+# Copyright 2018 Microsoft.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import re
+import unittest
+from typing import Tuple
+
+from transformers.testing_utils import require_torch
+from transformers.tokenization_deberta import DebertaTokenizer
+
+from .test_tokenization_common import TokenizerTesterMixin
+
+
+@require_torch
+class DebertaTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
+
+    tokenizer_class = DebertaTokenizer
+
+    def setUp(self):
+        super().setUp()
+
+    def get_tokenizer(self, name="microsoft/deberta-base", **kwargs):
+        return DebertaTokenizer.from_pretrained(name, **kwargs)
+
+    def get_input_output_texts(self, tokenizer):
+        input_text = "lower newer"
+        output_text = "lower newer"
+        return input_text, output_text
+
+    def get_clean_sequence(self, tokenizer, with_prefix_space=False, max_length=20) -> Tuple[str, list]:
+        toks = [
+            (i, tokenizer.decode([i], clean_up_tokenization_spaces=False))
+            for i in range(5, min(len(tokenizer), 50260))
+        ]
+        toks = list(filter(lambda t: re.match(r"^[ a-zA-Z]+$", t[1]), toks))
+        toks = list(filter(lambda t: [t[0]] == tokenizer.encode(t[1], add_special_tokens=False), toks))
+        if max_length is not None and len(toks) > max_length:
+            toks = toks[:max_length]
+        # toks_str = [t[1] for t in toks]
+        toks_ids = [t[0] for t in toks]
+
+        # Ensure consistency
+        output_txt = tokenizer.decode(toks_ids, clean_up_tokenization_spaces=False)
+        if " " not in output_txt and len(toks_ids) > 1:
+            output_txt = (
+                tokenizer.decode([toks_ids[0]], clean_up_tokenization_spaces=False)
+                + " "
+                + tokenizer.decode(toks_ids[1:], clean_up_tokenization_spaces=False)
+            )
+        if with_prefix_space and not output_txt.startswith(" "):
+            output_txt = " " + output_txt
+        output_ids = tokenizer.encode(output_txt, add_special_tokens=False)
+        return output_txt, output_ids
+
+    def test_full_tokenizer(self):
+        tokenizer = self.get_tokenizer("microsoft/deberta-base")
+        input_str = "UNwant\u00E9d,running"
+        tokens = tokenizer.tokenize(input_str)
+        token_ids = tokenizer.convert_tokens_to_ids(tokens)
+
+        self.assertEqual(tokenizer.decode(token_ids), input_str)