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"""Test HuggingFaceHub embeddings."""
import pytest
from langchain.embeddings import HuggingFaceHubEmbeddings
def test_huggingfacehub_embedding_documents() -> None:
"""Test huggingfacehub embeddings."""
documents = ["foo bar"]
embedding = HuggingFaceHubEmbeddings()
output = embedding.embed_documents(documents)
assert len(output) == 1
assert len(output[0]) == 768
def test_huggingfacehub_embedding_query() -> None:
"""Test huggingfacehub embeddings."""
document = "foo bar"
embedding = HuggingFaceHubEmbeddings()
output = embedding.embed_query(document)
assert len(output) == 768
def test_huggingfacehub_embedding_invalid_repo() -> None:
"""Test huggingfacehub embedding repo id validation."""
# Only sentence-transformers models are currently supported.
with pytest.raises(ValueError):
HuggingFaceHubEmbeddings(repo_id="allenai/specter")
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