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from __future__ import annotations
import logging
from typing import Union
import pytest
from rdflib import RDF, RDFS, Graph, URIRef
from rdflib.namespace import DCAT, DCTERMS
from rdflib.paths import (
AlternativePath,
InvPath,
MulPath,
NegatedPath,
OneOrMore,
Path,
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 / MulPath(RDFS.subClassOf, "*"),
f"<{RDF.type}>/<{RDFS.subClassOf}>*",
"rdf:type/rdfs:subClassOf*",
),
(
RDF.type / ((SequencePath(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 | RDFS.subClassOf),
f"!(<{RDF.type}>|<{RDFS.subClassOf}>)",
"!(rdf:type|rdfs:subClassOf)",
),
(
-(RDF.type | ((SequencePath(RDFS.subClassOf)) * "*")),
f"!(<{RDF.type}>|<{RDFS.subClassOf}>*)",
"!(rdf:type|rdfs:subClassOf*)",
),
(
SequencePath(RDFS.subClassOf),
f"<{RDFS.subClassOf}>",
"rdfs:subClassOf",
),
(
AlternativePath(RDFS.subClassOf),
f"<{RDFS.subClassOf}>",
"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
def test_mulpath_n3():
uri = "http://example.com/foo"
n3 = (URIRef(uri) * ZeroOrMore).n3()
assert n3 == "<" + uri + ">*"
@pytest.mark.parametrize(
["lhs", "rhs"],
[
(DCTERMS.temporal / DCAT.endDate, DCTERMS.temporal / DCAT.endDate),
(SequencePath(DCTERMS.temporal, DCAT.endDate), DCTERMS.temporal / DCAT.endDate),
],
)
def test_eq(lhs: Path, rhs: Path) -> None:
logging.debug("lhs = %s/%r, rhs = %s/%r", type(lhs), lhs, type(rhs), rhs)
assert lhs == rhs
@pytest.mark.parametrize(
["lhs", "rhs"],
[
(DCTERMS.temporal / DCAT.endDate, DCTERMS.temporal / DCAT.endDate),
(SequencePath(DCTERMS.temporal, DCAT.endDate), DCTERMS.temporal / DCAT.endDate),
],
)
def test_hash(lhs: Path, rhs: Path) -> None:
logging.debug("lhs = %s/%r, rhs = %s/%r", type(lhs), lhs, type(rhs), rhs)
assert hash(lhs) == hash(rhs)
@pytest.mark.parametrize(
["insert_path", "check_path"],
[
(DCTERMS.temporal / DCAT.endDate, DCTERMS.temporal / DCAT.endDate),
(SequencePath(DCTERMS.temporal, DCAT.endDate), DCTERMS.temporal / DCAT.endDate),
],
)
def test_dict_key(insert_path: Path, check_path: Path) -> None:
d = {insert_path: "foo"}
assert d[check_path] == "foo"
|
