variantllm / tests /test_tokenizer.py
hardiksood21
feat: initial release of VariantLLM genomic foundation AI engine
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from variantllm.tokenization.genomic_tokenizer import GenomicTokenizer
def test_tokenizer_initialization():
tokenizer = GenomicTokenizer(kmer_size=3, max_length=128)
assert tokenizer.vocab_size > 64
assert "<PAD>" in tokenizer.vocab
assert "<CLS>" in tokenizer.vocab
def test_tokenizer_encoding():
tokenizer = GenomicTokenizer(kmer_size=3, max_length=128)
seq = "ATGCGTAC"
ids = tokenizer.encode(seq, add_special_tokens=True)
assert len(ids) > 0
assert ids[0] == tokenizer.cls_token_id
assert ids[-1] == tokenizer.sep_token_id
def test_batch_encoding():
tokenizer = GenomicTokenizer(kmer_size=3, max_length=64)
seqs = ["ATGCGTAC", "GGCCAA"]
batch = tokenizer.batch_encode_plus(seqs, return_tensors="pt")
assert batch["input_ids"].shape[0] == 2
assert batch["attention_mask"].shape[0] == 2