haystack/test/test_finder.py

49 lines
2.1 KiB
Python

from haystack import Finder
from haystack.retriever.sparse import TfidfRetriever
import pytest
#@pytest.mark.parametrize("reader", [("farm")], indirect=True)
#@pytest.mark.parametrize("document_store_with_docs", [("elasticsearch")], indirect=True)
def test_finder_get_answers(reader, document_store_with_docs):
retriever = TfidfRetriever(document_store=document_store_with_docs)
finder = Finder(reader, retriever)
prediction = finder.get_answers(question="Who lives in Berlin?", top_k_retriever=10,
top_k_reader=3)
assert prediction is not None
assert prediction["question"] == "Who lives in Berlin?"
assert prediction["answers"][0]["answer"] == "Carla"
assert prediction["answers"][0]["probability"] <= 1
assert prediction["answers"][0]["probability"] >= 0
assert prediction["answers"][0]["meta"]["meta_field"] == "test1"
assert prediction["answers"][0]["context"] == "My name is Carla and I live in Berlin"
assert prediction["answers"][0]["document_id"] == "0"
assert len(prediction["answers"]) == 3
def test_finder_offsets(reader, document_store_with_docs):
retriever = TfidfRetriever(document_store=document_store_with_docs)
finder = Finder(reader, retriever)
prediction = finder.get_answers(question="Who lives in Berlin?", top_k_retriever=10,
top_k_reader=5)
assert prediction["answers"][0]["offset_start"] == 11
assert prediction["answers"][0]["offset_end"] == 16
start = prediction["answers"][0]["offset_start"]
end = prediction["answers"][0]["offset_end"]
assert prediction["answers"][0]["context"][start:end] == prediction["answers"][0]["answer"]
def test_finder_get_answers_single_result(reader, document_store_with_docs):
retriever = TfidfRetriever(document_store=document_store_with_docs)
finder = Finder(reader, retriever)
query = "testing finder"
prediction = finder.get_answers(question=query, top_k_retriever=1,
top_k_reader=1)
assert prediction is not None
assert len(prediction["answers"]) == 1