48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
# This file is part of the Glowtables software
|
|
# Copyright (C) 2023 Valentin Lorentz
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it under the
|
|
# terms of the GNU Affero General Public License version 3, as published by the
|
|
# Free Software Foundation.
|
|
#
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
|
# PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License along with
|
|
# this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""pytest fixtures"""
|
|
|
|
# pylint: disable=redefined-outer-name
|
|
|
|
from typing import Iterable
|
|
|
|
import pytest
|
|
import rdflib
|
|
|
|
from glowtables.sparql import SparqlBackend
|
|
|
|
|
|
class RdflibSparqlBackend(SparqlBackend):
|
|
"""Mock SPARQL backend that queries a local rdflib graph."""
|
|
|
|
def __init__(self, graph: rdflib.Graph):
|
|
self._graph = graph
|
|
|
|
def query(self, query: str) -> Iterable[tuple]:
|
|
ret = self._graph.query(query)
|
|
return ret
|
|
|
|
|
|
@pytest.fixture()
|
|
def rdflib_graph() -> rdflib.Graph:
|
|
"""Returns an empty rdflib graph."""
|
|
return rdflib.Graph()
|
|
|
|
|
|
@pytest.fixture()
|
|
def rdflib_sparql(rdflib_graph: rdflib.Graph) -> RdflibSparqlBackend:
|
|
"""Returns a SPARQL backend instance for ``rdflib_graph``."""
|
|
return RdflibSparqlBackend(rdflib_graph)
|