mod test_utils;
use rust_tokenizers::tokenizer::{ProphetNetTokenizer, Tokenizer, TruncationStrategy};
use rust_tokenizers::vocab::{ProphetNetVocab, Vocab};
use rust_tokenizers::{Offset, TokenizedInput};
use test_utils::download_file_to_cache;
#[test]
fn test_prophetnet_tokenization() -> anyhow::Result<()> {
let vocab_path = download_file_to_cache(
"https://huggingface.co/microsoft/prophetnet-large-uncased/resolve/main/prophetnet.tokenizer",
)?;
let vocab = ProphetNetVocab::from_file(vocab_path)?;
let bert_tokenizer: ProphetNetTokenizer =
ProphetNetTokenizer::from_existing_vocab(vocab, true, true);
let original_strings = [
"…",
"This is a sample sentence to be tokénized",
"Wondering how this will get tokenized 🤔 ?",
"İs th!s 𩸽 Ϻ Šœ Ugljšić dấu nặng",
"İs th!s 𩸽 [SEP] Ϻ Šœ Uglj[SEP]šić dấu nặng",
" İs th!s 𩸽 Ϻ Šœ Ugljšić dấu nặng ",
" �� İs th!s ���� 𩸽 Ϻ Šœ Ugljšić dấu nặng ",
];
let expected_results = [
TokenizedInput {
token_ids: vec![1529, 102],
segment_ids: vec![0, 0],
special_tokens_mask: vec![0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![Some(Offset { begin: 0, end: 1 }), None],
reference_offsets: vec![],
mask: vec![],
},
TokenizedInput {
token_ids: vec![2023, 2003, 1037, 7099, 6251, 2000, 2022, 19204, 3550, 102],
segment_ids: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
special_tokens_mask: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![
Some(Offset { begin: 0, end: 4 }),
Some(Offset { begin: 5, end: 7 }),
Some(Offset { begin: 8, end: 9 }),
Some(Offset { begin: 10, end: 16 }),
Some(Offset { begin: 17, end: 25 }),
Some(Offset { begin: 26, end: 28 }),
Some(Offset { begin: 29, end: 31 }),
Some(Offset { begin: 32, end: 38 }),
Some(Offset { begin: 38, end: 42 }),
None,
],
reference_offsets: vec![],
mask: vec![],
},
TokenizedInput {
token_ids: vec![6603, 2129, 2023, 2097, 2131, 19204, 3550, 100, 1029, 102],
segment_ids: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
special_tokens_mask: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![
Some(Offset { begin: 0, end: 9 }),
Some(Offset { begin: 10, end: 13 }),
Some(Offset { begin: 14, end: 18 }),
Some(Offset { begin: 19, end: 23 }),
Some(Offset { begin: 24, end: 27 }),
Some(Offset { begin: 28, end: 33 }),
Some(Offset { begin: 33, end: 37 }),
Some(Offset { begin: 38, end: 39 }),
Some(Offset { begin: 40, end: 41 }),
None,
],
reference_offsets: vec![],
mask: vec![],
},
TokenizedInput {
token_ids: vec![
2003, 16215, 999, 1055, 100, 100, 1055, 29674, 1057, 23296, 22578, 2594, 4830,
2226, 16660, 2290, 102,
],
segment_ids: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
special_tokens_mask: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![
Some(Offset { begin: 0, end: 2 }),
Some(Offset { begin: 3, end: 5 }),
Some(Offset { begin: 5, end: 6 }),
Some(Offset { begin: 6, end: 7 }),
Some(Offset { begin: 8, end: 9 }),
Some(Offset { begin: 10, end: 11 }),
Some(Offset { begin: 12, end: 13 }),
Some(Offset { begin: 13, end: 14 }),
Some(Offset { begin: 15, end: 16 }),
Some(Offset { begin: 16, end: 18 }),
Some(Offset { begin: 18, end: 20 }),
Some(Offset { begin: 20, end: 22 }),
Some(Offset { begin: 23, end: 25 }),
Some(Offset { begin: 25, end: 26 }),
Some(Offset { begin: 27, end: 30 }),
Some(Offset { begin: 30, end: 31 }),
None,
],
reference_offsets: vec![],
mask: vec![],
},
TokenizedInput {
token_ids: vec![
2003, 16215, 999, 1055, 100, 102, 100, 1055, 29674, 1057, 23296, 3501, 102, 14387,
4830, 2226, 16660, 2290, 102,
],
segment_ids: vec![
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
],
special_tokens_mask: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![
Some(Offset { begin: 0, end: 2 }),
Some(Offset { begin: 3, end: 5 }),
Some(Offset { begin: 5, end: 6 }),
Some(Offset { begin: 6, end: 7 }),
Some(Offset { begin: 10, end: 11 }),
Some(Offset { begin: 12, end: 17 }),
Some(Offset { begin: 18, end: 19 }),
Some(Offset { begin: 20, end: 21 }),
Some(Offset { begin: 21, end: 22 }),
Some(Offset { begin: 24, end: 25 }),
Some(Offset { begin: 25, end: 27 }),
Some(Offset { begin: 27, end: 28 }),
Some(Offset { begin: 28, end: 33 }),
Some(Offset { begin: 33, end: 36 }),
Some(Offset { begin: 39, end: 41 }),
Some(Offset { begin: 41, end: 42 }),
Some(Offset { begin: 43, end: 46 }),
Some(Offset { begin: 46, end: 47 }),
None,
],
reference_offsets: vec![],
mask: vec![],
},
TokenizedInput {
token_ids: vec![
2003, 16215, 999, 1055, 100, 100, 1055, 29674, 1057, 23296, 22578, 2594, 4830,
2226, 16660, 2290, 102,
],
segment_ids: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
special_tokens_mask: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![
Some(Offset { begin: 3, end: 5 }),
Some(Offset { begin: 6, end: 8 }),
Some(Offset { begin: 8, end: 9 }),
Some(Offset { begin: 9, end: 10 }),
Some(Offset { begin: 14, end: 15 }),
Some(Offset { begin: 16, end: 17 }),
Some(Offset { begin: 18, end: 19 }),
Some(Offset { begin: 19, end: 20 }),
Some(Offset { begin: 23, end: 24 }),
Some(Offset { begin: 24, end: 26 }),
Some(Offset { begin: 26, end: 28 }),
Some(Offset { begin: 28, end: 30 }),
Some(Offset { begin: 32, end: 34 }),
Some(Offset { begin: 34, end: 35 }),
Some(Offset { begin: 36, end: 39 }),
Some(Offset { begin: 39, end: 40 }),
None,
],
reference_offsets: vec![],
mask: vec![],
},
TokenizedInput {
token_ids: vec![
2003, 16215, 999, 1055, 100, 100, 1055, 29674, 1057, 23296, 22578, 2594, 4830,
2226, 16660, 2290, 102,
],
segment_ids: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
special_tokens_mask: vec![0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
overflowing_tokens: vec![],
num_truncated_tokens: 0,
token_offsets: vec![
Some(Offset { begin: 5, end: 7 }),
Some(Offset { begin: 8, end: 10 }),
Some(Offset { begin: 10, end: 11 }),
Some(Offset { begin: 11, end: 12 }),
Some(Offset { begin: 20, end: 21 }),
Some(Offset { begin: 22, end: 23 }),
Some(Offset { begin: 24, end: 25 }),
Some(Offset { begin: 25, end: 26 }),
Some(Offset { begin: 29, end: 30 }),
Some(Offset { begin: 30, end: 32 }),
Some(Offset { begin: 32, end: 34 }),
Some(Offset { begin: 34, end: 36 }),
Some(Offset { begin: 38, end: 40 }),
Some(Offset { begin: 40, end: 41 }),
Some(Offset { begin: 42, end: 45 }),
Some(Offset { begin: 45, end: 46 }),
None,
],
reference_offsets: vec![],
mask: vec![],
},
]
.to_vec();
let output =
bert_tokenizer.encode_list(&original_strings, 128, &TruncationStrategy::LongestFirst, 0);
for (_idx, (predicted, expected)) in output.iter().zip(expected_results.iter()).enumerate() {
let original_sentence_chars: Vec<char> = original_strings[_idx].chars().collect();
for (idx, offset) in predicted.token_offsets.iter().enumerate() {
match offset {
Some(offset) => {
let (start_char, end_char) = (offset.begin as usize, offset.end as usize);
let text: String = original_sentence_chars[start_char..end_char]
.iter()
.collect();
println!(
"{:<2?} | {:<10} | {:<10} | {:<10?}",
offset,
text,
bert_tokenizer.decode(&[predicted.token_ids[idx]], false, false),
predicted.mask[idx]
)
}
None => continue,
}
}
assert_eq!(predicted.token_ids, expected.token_ids);
assert_eq!(predicted.special_tokens_mask, expected.special_tokens_mask);
assert_eq!(predicted.token_offsets, expected.token_offsets);
}
Ok(())
}