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"""Integration test for Wikipedia API Wrapper."""
from typing import List
import pytest
from langchain.retrievers import WikipediaRetriever
from langchain.schema import Document
@pytest.fixture
def retriever() -> WikipediaRetriever:
return WikipediaRetriever()
def assert_docs(docs: List[Document], all_meta: bool = False) -> None:
for doc in docs:
assert doc.page_content
assert doc.metadata
main_meta = {"title", "summary"}
assert set(doc.metadata).issuperset(main_meta)
if all_meta:
assert len(set(doc.metadata)) > len(main_meta)
else:
assert len(set(doc.metadata)) == len(main_meta)
def test_load_success(retriever: WikipediaRetriever) -> None:
docs = retriever.get_relevant_documents("HUNTER X HUNTER")
assert len(docs) > 1
assert_docs(docs, all_meta=False)
def test_load_success_all_meta(retriever: WikipediaRetriever) -> None:
retriever.load_all_available_meta = True
docs = retriever.get_relevant_documents("HUNTER X HUNTER")
assert len(docs) > 1
assert_docs(docs, all_meta=True)
def test_load_success_init_args() -> None:
retriever = WikipediaRetriever(
lang="en", top_k_results=1, load_all_available_meta=True
)
docs = retriever.get_relevant_documents("HUNTER X HUNTER")
assert len(docs) == 1
assert_docs(docs, all_meta=True)
def test_load_no_result(retriever: WikipediaRetriever) -> None:
docs = retriever.get_relevant_documents(
"NORESULTCALL_NORESULTCALL_NORESULTCALL_NORESULTCALL_NORESULTCALL_NORESULTCALL"
)
assert not docs
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