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langchain[patch], community[patch]: Fixes in the Ontotext GraphDB Graph and QA Chain (#17239)

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- **Description:** Fixes in the Ontotext GraphDB Graph and QA Chain
related to the error handling in case of invalid SPARQL queries, for
which `prepareQuery` doesn't throw an exception, but the server returns
400 and the query is indeed invalid
  - **Issue:** N/A
  - **Dependencies:** N/A
  - **Twitter handle:** @OntotextGraphDB
This commit is contained in:
Neli Hateva
2024-02-08 22:05:43 +02:00
committed by GitHub
parent b88329e9a5
commit 9bb5157a3d
5 changed files with 107 additions and 13 deletions
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32
libs/community/tests/integration_tests/graphs/test_ontotext_graphdb_graph.py
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@@ -10,7 +10,7 @@ cd libs/community/tests/integration_tests/graphs/docker-compose-ontotext-graphdb
"""
def test_query() -> None:
def test_query_method_with_valid_query() -> None:
graph = OntotextGraphDBGraph(
query_endpoint="http://localhost:7200/repositories/langchain",
query_ontology="CONSTRUCT {?s ?p ?o}"
@@ -31,6 +31,36 @@ def test_query() -> None:
assert str(query_results[0][0]) == "yellow"
def test_query_method_with_invalid_query() -> None:
graph = OntotextGraphDBGraph(
query_endpoint="http://localhost:7200/repositories/langchain",
query_ontology="CONSTRUCT {?s ?p ?o}"
"FROM <https://swapi.co/ontology/> WHERE {?s ?p ?o}",
)
with pytest.raises(ValueError) as e:
graph.query(
"PREFIX : <https://swapi.co/vocabulary/> "
"PREFIX owl: <http://www.w3.org/2002/07/owl#> "
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> "
"PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> "
"SELECT ?character (MAX(?lifespan) AS ?maxLifespan) "
"WHERE {"
" ?species a :Species ;"
" :character ?character ;"
" :averageLifespan ?lifespan ."
" FILTER(xsd:integer(?lifespan))"
"} "
"ORDER BY DESC(?maxLifespan) "
"LIMIT 1"
)
assert (
str(e.value)
== "You did something wrong formulating either the URI or your SPARQL query"
)
def test_get_schema_with_query() -> None:
graph = OntotextGraphDBGraph(
query_endpoint="http://localhost:7200/repositories/langchain",