transformers/tests/models/llama/test_tokenization_llama.py
Arthur c0f99b4d2e
Fix llama tokenizer (#22402)
* draft

* update tokenization limma and conversion script

* more udpates

* initial commit

* style

* default pad to None

* draft tokenization tests

* update test

* update tokenization tests

* nits

* update

* versioning test

* major fix

* fix more testst

* finish fixing special masks

* last nit

* more nits

* add encode decode tests

* add more

* fix token type ids

* style
2023-04-03 09:07:32 -04:00

413 lines
18 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# Copyright 2023 The HuggingFace Team. All rights reserved.
#
# 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 os
import shutil
import tempfile
import unittest
from datasets import load_dataset
from transformers import (
SPIECE_UNDERLINE,
AddedToken,
LlamaTokenizer,
is_torch_available,
)
from transformers.testing_utils import (
get_tests_dir,
nested_simplify,
require_sentencepiece,
require_tokenizers,
require_torch,
slow,
)
from ...test_tokenization_common import TokenizerTesterMixin
SAMPLE_VOCAB = get_tests_dir("fixtures/test_sentencepiece.model")
if is_torch_available():
pass
@require_sentencepiece
@require_tokenizers
class LlamaTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
tokenizer_class = LlamaTokenizer
test_rust_tokenizer = False
test_sentencepiece = True
from_pretrained_kwargs = {}
def setUp(self):
super().setUp()
# We have a SentencePiece fixture for testing
tokenizer = LlamaTokenizer(SAMPLE_VOCAB, keep_accents=True)
tokenizer.pad_token = tokenizer.eos_token
tokenizer.save_pretrained(self.tmpdirname)
def test_full_tokenizer(self):
tokenizer = LlamaTokenizer(SAMPLE_VOCAB, keep_accents=True)
tokens = tokenizer.tokenize("This is a test")
self.assertListEqual(tokens, ["▁This", "▁is", "▁a", "▁t", "est"])
self.assertListEqual(
tokenizer.convert_tokens_to_ids(tokens),
[285, 46, 10, 170, 382],
)
tokens = tokenizer.tokenize("I was born in 92000, and this is falsé.")
self.assertListEqual(
tokens,
[
SPIECE_UNDERLINE + "I",
SPIECE_UNDERLINE + "was",
SPIECE_UNDERLINE + "b",
"or",
"n",
SPIECE_UNDERLINE + "in",
SPIECE_UNDERLINE + "",
"9",
"2",
"0",
"0",
"0",
",",
SPIECE_UNDERLINE + "and",
SPIECE_UNDERLINE + "this",
SPIECE_UNDERLINE + "is",
SPIECE_UNDERLINE + "f",
"al",
"s",
"é",
".",
],
)
ids = tokenizer.convert_tokens_to_ids(tokens)
self.assertListEqual(
ids,
[8, 21, 84, 55, 24, 19, 7, 0, 602, 347, 347, 347, 3, 12, 66, 46, 72, 80, 6, 0, 4],
)
back_tokens = tokenizer.convert_ids_to_tokens(ids)
self.assertListEqual(
back_tokens,
[
SPIECE_UNDERLINE + "I",
SPIECE_UNDERLINE + "was",
SPIECE_UNDERLINE + "b",
"or",
"n",
SPIECE_UNDERLINE + "in",
SPIECE_UNDERLINE + "",
"<unk>",
"2",
"0",
"0",
"0",
",",
SPIECE_UNDERLINE + "and",
SPIECE_UNDERLINE + "this",
SPIECE_UNDERLINE + "is",
SPIECE_UNDERLINE + "f",
"al",
"s",
"<unk>",
".",
],
)
@unittest.skip("Let's wait for the fast tokenizer!")
def test_save_pretrained(self):
self.tokenizers_list += (self.rust_tokenizer_class, "hf-internal-testing/llama-tokenizer", {})
for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
with self.subTest(f"{tokenizer.__class__.__name__} ({pretrained_name})"):
tokenizer_r = self.rust_tokenizer_class.from_pretrained(pretrained_name, **kwargs)
tokenizer_p = self.tokenizer_class.from_pretrained(pretrained_name, **kwargs)
tmpdirname2 = tempfile.mkdtemp()
tokenizer_r_files = tokenizer_r.save_pretrained(tmpdirname2)
tokenizer_p_files = tokenizer_p.save_pretrained(tmpdirname2)
# Checks it save with the same files + the tokenizer.json file for the fast one
self.assertTrue(any("tokenizer.json" in f for f in tokenizer_r_files))
tokenizer_r_files = tuple(f for f in tokenizer_r_files if "tokenizer.json" not in f)
self.assertSequenceEqual(tokenizer_r_files, tokenizer_p_files)
# Checks everything loads correctly in the same way
tokenizer_rp = tokenizer_r.from_pretrained(tmpdirname2)
tokenizer_pp = tokenizer_p.from_pretrained(tmpdirname2)
# Check special tokens are set accordingly on Rust and Python
for key in tokenizer_pp.special_tokens_map:
self.assertTrue(hasattr(tokenizer_rp, key))
shutil.rmtree(tmpdirname2)
# Save tokenizer rust, legacy_format=True
tmpdirname2 = tempfile.mkdtemp()
tokenizer_r_files = tokenizer_r.save_pretrained(tmpdirname2, legacy_format=True)
tokenizer_p_files = tokenizer_p.save_pretrained(tmpdirname2)
# Checks it save with the same files
self.assertSequenceEqual(tokenizer_r_files, tokenizer_p_files)
# Checks everything loads correctly in the same way
tokenizer_rp = tokenizer_r.from_pretrained(tmpdirname2)
tokenizer_pp = tokenizer_p.from_pretrained(tmpdirname2)
# Check special tokens are set accordingly on Rust and Python
for key in tokenizer_pp.special_tokens_map:
self.assertTrue(hasattr(tokenizer_rp, key))
shutil.rmtree(tmpdirname2)
# Save tokenizer rust, legacy_format=False
tmpdirname2 = tempfile.mkdtemp()
tokenizer_r_files = tokenizer_r.save_pretrained(tmpdirname2, legacy_format=False)
tokenizer_p_files = tokenizer_p.save_pretrained(tmpdirname2)
# Checks it saved the tokenizer.json file
self.assertTrue(any("tokenizer.json" in f for f in tokenizer_r_files))
# Checks everything loads correctly in the same way
tokenizer_rp = tokenizer_r.from_pretrained(tmpdirname2)
tokenizer_pp = tokenizer_p.from_pretrained(tmpdirname2)
# Check special tokens are set accordingly on Rust and Python
for key in tokenizer_pp.special_tokens_map:
self.assertTrue(hasattr(tokenizer_rp, key))
shutil.rmtree(tmpdirname2)
@require_torch
def test_batch_tokenization(self):
if not self.test_seq2seq:
return
tokenizers = self.get_tokenizers()
for tokenizer in tokenizers:
with self.subTest(f"{tokenizer.__class__.__name__}"):
# Longer text that will definitely require truncation.
text = [
" UN Chief Says There Is No Military Solution in Syria",
" Secretary-General Ban Ki-moon says his response to Russia's stepped up military support for"
" Syria is that 'there is no military solution' to the nearly five-year conflict and more weapons"
" will only worsen the violence and misery for millions of people.",
]
try:
batch = tokenizer(
text=text,
max_length=3,
max_target_length=10,
return_tensors="pt",
)
except NotImplementedError:
return
self.assertEqual(batch.input_ids.shape[1], 3)
# max_target_length will default to max_length if not specified
batch = tokenizer(text, max_length=3, return_tensors="pt")
self.assertEqual(batch.input_ids.shape[1], 3)
batch_encoder_only = tokenizer(text=text, max_length=3, max_target_length=10, return_tensors="pt")
self.assertEqual(batch_encoder_only.input_ids.shape[1], 3)
self.assertEqual(batch_encoder_only.attention_mask.shape[1], 3)
self.assertNotIn("decoder_input_ids", batch_encoder_only)
@unittest.skip("Unfortunately way too slow to build a BPE with SentencePiece.")
def test_save_slow_from_fast_and_reload_fast(self):
pass
def test_special_tokens_initialization(self):
for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
with self.subTest(f"{tokenizer.__class__.__name__} ({pretrained_name})"):
added_tokens = [AddedToken("<special>", lstrip=True)]
tokenizer_r = self.rust_tokenizer_class.from_pretrained(
pretrained_name, additional_special_tokens=added_tokens, **kwargs
)
r_output = tokenizer_r.encode("Hey this is a <special> token")
special_token_id = tokenizer_r.encode("<special>", add_special_tokens=False)[0]
self.assertTrue(special_token_id in r_output)
if self.test_slow_tokenizer:
tokenizer_cr = self.rust_tokenizer_class.from_pretrained(
pretrained_name,
additional_special_tokens=added_tokens,
**kwargs, # , from_slow=True <- unfortunately too slow to convert
)
tokenizer_p = self.tokenizer_class.from_pretrained(
pretrained_name, additional_special_tokens=added_tokens, **kwargs
)
p_output = tokenizer_p.encode("Hey this is a <special> token")
cr_output = tokenizer_cr.encode("Hey this is a <special> token")
self.assertEqual(p_output, r_output)
self.assertEqual(cr_output, r_output)
self.assertTrue(special_token_id in p_output)
self.assertTrue(special_token_id in cr_output)
@slow
def test_tokenizer_integration(self):
# fmt: off
expected_encoding = {'input_ids': [[1, 4103, 689, 414, 313, 24784, 368, 2998, 408, 282, 3637, 25350, 29899, 9067, 414, 322, 282, 3637, 25350, 29899, 1457, 3018, 1312, 29899, 2151, 29897, 8128, 2498, 29899, 15503, 4220, 6956, 1973, 313, 13635, 29911, 29892, 402, 7982, 29899, 29906, 29892, 1528, 13635, 29911, 29874, 29892, 1060, 26369, 29892, 6652, 309, 29933, 814, 29892, 1060, 29931, 6779, 11410, 363, 18385, 17088, 7634, 11235, 313, 25103, 29965, 29897, 322, 18385, 17088, 28203, 313, 25103, 29954, 29897, 411, 975, 29871, 29941, 29906, 29974, 758, 3018, 1312, 4733, 297, 29871, 29896, 29900, 29900, 29974, 10276, 322, 6483, 1006, 3372, 3097, 1546, 435, 1165, 29892, 10772, 29911, 25350, 322, 323, 6073, 17907, 29889], [1, 350, 20161, 338, 8688, 304, 758, 29899, 14968, 6483, 21000, 8684, 284, 22540, 515, 443, 29880, 24025, 1426, 491, 14002, 368, 4195, 292, 373, 1716, 2175, 322, 1492, 3030, 297, 599, 15359, 29889], [1, 450, 4996, 17354, 1701, 29916, 432, 17204, 975, 278, 17366, 11203, 29889]], 'attention_mask': [[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]]}
# fmt: on
self.tokenizer_integration_test_util(
expected_encoding=expected_encoding,
model_name="hf-internal-testing/llama-tokenizer",
revision="0984d03108b1a041ed679bd253b6519b7e1a4778",
padding=False,
)
@require_torch
@require_sentencepiece
@require_tokenizers
class LlamaIntegrationTest(unittest.TestCase):
checkpoint_name = "hf-internal-testing/llama-tokenizer"
@classmethod
def setUpClass(cls):
cls.tokenizer: LlamaTokenizer = LlamaTokenizer.from_pretrained(cls.checkpoint_name)
cls.rust_tokenizer = cls.tokenizer # TODO @narsil replace with the rust one
cls.pad_token_id = 1
return cls
@require_torch
def integration_tests(self):
inputs = self.tokenizer(
["The following string should be properly encoded: Hello.", "But ird and ปี ird ด"],
return_tensors="pt",
)
self.assertEqual(
nested_simplify(inputs),
{
"input_ids": [
[1, 450, 1494, 1347, 881, 367, 6284, 18511, 29901, 15043, 29889],
[1, 1205, 29871, 1823, 322, 29871, 31010, 30691, 1678, 1823, 1678, 30718],
],
"attention_mask": [[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]],
},
)
def test_simple_encode_decode(self):
pyth_tokenizer = self.tokenizer
rust_tokenizer = self.rust_tokenizer
self.assertEqual(pyth_tokenizer.encode("This is a test"), [1, 910, 338, 263, 1243])
self.assertEqual(rust_tokenizer.encode("This is a test"), [1, 910, 338, 263, 1243])
self.assertEqual(pyth_tokenizer.decode([1, 910, 338, 263, 1243], skip_special_tokens=True), "This is a test")
self.assertEqual(rust_tokenizer.decode([1, 910, 338, 263, 1243], skip_special_tokens=True), "This is a test")
# bytefallback showcase
self.assertEqual(pyth_tokenizer.encode("生活的真谛是"), [1, 29871, 30486, 31704, 30210, 30848, 235, 179, 158, 30392])
self.assertEqual(rust_tokenizer.encode("生活的真谛是"), [1, 29871, 30486, 31704, 30210, 30848, 235, 179, 158, 30392])
self.assertEqual(
pyth_tokenizer.decode(
[1, 29871, 30486, 31704, 30210, 30848, 235, 179, 158, 30392], skip_special_tokens=True
),
"生活的真谛是",
)
self.assertEqual(
rust_tokenizer.decode(
[1, 29871, 30486, 31704, 30210, 30848, 235, 179, 158, 30392], skip_special_tokens=True
),
"生活的真谛是",
)
# Inner spaces showcase
self.assertEqual(pyth_tokenizer.encode("Hi Hello"), [1, 6324, 29871, 15043])
self.assertEqual(rust_tokenizer.encode("Hi Hello"), [1, 6324, 29871, 15043])
self.assertEqual(pyth_tokenizer.decode([1, 6324, 29871, 15043], skip_special_tokens=True), "Hi Hello")
self.assertEqual(rust_tokenizer.decode([1, 6324, 29871, 15043], skip_special_tokens=True), "Hi Hello")
self.assertEqual(pyth_tokenizer.encode("Hi Hello"), [1, 6324, 259, 15043])
self.assertEqual(rust_tokenizer.encode("Hi Hello"), [1, 6324, 259, 15043])
self.assertEqual(pyth_tokenizer.decode([1, 6324, 259, 15043], skip_special_tokens=True), "Hi Hello")
self.assertEqual(rust_tokenizer.decode([1, 6324, 259, 15043], skip_special_tokens=True), "Hi Hello")
self.assertEqual(pyth_tokenizer.encode(""), [1])
self.assertEqual(rust_tokenizer.encode(""), [1])
self.assertEqual(pyth_tokenizer.encode(" "), [1, 259])
self.assertEqual(rust_tokenizer.encode(" "), [1, 259])
self.assertEqual(pyth_tokenizer.encode(" "), [1, 1678])
self.assertEqual(rust_tokenizer.encode(" "), [1, 1678])
self.assertEqual(pyth_tokenizer.encode(" Hello"), [1, 29871, 15043])
self.assertEqual(rust_tokenizer.encode(" Hello"), [1, 29871, 15043])
self.assertEqual(pyth_tokenizer.encode("<s>"), [1, 1])
self.assertEqual(rust_tokenizer.encode("<s>"), [1, 1])
self.assertEqual(pyth_tokenizer.encode(""), [1])
self.assertEqual(rust_tokenizer.encode(""), [1])
self.assertEqual(pyth_tokenizer.decode([869]), ".")
self.assertEqual(rust_tokenizer.decode([869]), ".")
self.assertEqual(pyth_tokenizer.decode([30112, 869]), "ا .")
self.assertEqual(rust_tokenizer.decode([30112, 869]), "ا .")
@unittest.skipIf(
os.getenv("RUN_TOKENIZER_INTEGRATION", "0") == "0",
"RUN_TOKENIZER_INTEGRATION=1 to run tokenizer integration tests",
)
def test_integration_test_xnli(self):
import tqdm
pyth_tokenizer = self.tokenizer
rust_tokenizer = self.rust_tokenizer
dataset = load_dataset("code_x_glue_ct_code_to_text", "go")
for item in tqdm.tqdm(dataset["validation"]):
string = item["code"]
encoded1 = pyth_tokenizer.encode(string)
encoded2 = rust_tokenizer.encode(string)
self.assertEqual(encoded1, encoded2)
decoded1 = pyth_tokenizer.decode(encoded1)
decoded2 = rust_tokenizer.decode(encoded2)
self.assertEqual(decoded1, decoded2)
dataset = load_dataset("xnli", "all_languages")
for item in tqdm.tqdm(dataset["train"]):
for string in item["premise"].values():
encoded1 = pyth_tokenizer.encode(string)
encoded2 = rust_tokenizer.encode(string)
self.assertEqual(encoded1, encoded2)
decoded1 = pyth_tokenizer.decode(encoded1)
decoded2 = rust_tokenizer.decode(encoded2)
self.assertEqual(decoded1, decoded2)