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import logging
from typing import Union
import pytest
from rdflib import RDF, RDFS, Graph
from rdflib.paths import (
AlternativePath,
InvPath,
MulPath,
NegatedPath,
OneOrMore,
SequencePath,
ZeroOrMore,
ZeroOrOne,
)
g = Graph()
nsm = g.namespace_manager
@pytest.mark.parametrize(
"path, no_nsm, with_nsm",
[
(~RDF.type, f"^<{RDF.type}>", "^rdf:type"),
(
RDF.type / RDFS.subClassOf,
f"<{RDF.type}>/<{RDFS.subClassOf}>",
"rdf:type/rdfs:subClassOf",
),
(
RDF.type | RDFS.subClassOf,
f"<{RDF.type}>|<{RDFS.subClassOf}>",
"rdf:type|rdfs:subClassOf",
),
(-RDF.type, f"!(<{RDF.type}>)", "!(rdf:type)"),
# type errors: Unsupported operand types for * ("URIRef" and "str")
# note on type errors: The operator is defined but in an odd place
(
RDFS.subClassOf * ZeroOrMore, # type: ignore[operator]
f"<{RDFS.subClassOf}>*",
"rdfs:subClassOf*",
),
(
RDFS.subClassOf * OneOrMore, # type: ignore[operator]
f"<{RDFS.subClassOf}>+",
"rdfs:subClassOf+",
),
(
RDFS.subClassOf * ZeroOrOne, # type: ignore[operator]
f"<{RDFS.subClassOf}>?",
"rdfs:subClassOf?",
),
(
RDF.type / RDFS.subClassOf * "*",
f"<{RDF.type}>/<{RDFS.subClassOf}>*",
"rdf:type/rdfs:subClassOf*",
),
(
-(RDF.type | RDFS.subClassOf),
f"!(<{RDF.type}>|<{RDFS.subClassOf}>)",
"!(rdf:type|rdfs:subClassOf)",
),
],
)
def test_paths_n3(
path: Union[InvPath, SequencePath, AlternativePath, MulPath, NegatedPath],
no_nsm: str,
with_nsm: str,
) -> None:
logging.debug("path = %s", path)
assert path.n3() == no_nsm
assert path.n3(nsm) == with_nsm
|
