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"""This runs the nt tests for the W3C RDF Working Group's N-Triples
test suite."""
import logging
from contextlib import ExitStack
from test.data import TEST_DATA_DIR
from test.utils import BNodeHandling, GraphHelper, ensure_suffix
from test.utils.dawg_manifest import ManifestEntry, params_from_sources
from test.utils.iri import URIMapper
from test.utils.namespace import RDFT
from typing import Optional
import pytest
from rdflib.graph import Graph
logger = logging.getLogger(__name__)
REMOTE_BASE_IRI = "http://www.w3.org/2013/N-TriplesTests/"
LOCAL_BASE_DIR = TEST_DATA_DIR / "suites/w3c/ntriples/"
ENCODING = "utf-8"
MAPPER = URIMapper.from_mappings(
(REMOTE_BASE_IRI, ensure_suffix(LOCAL_BASE_DIR.as_uri(), "/"))
)
VALID_TYPES = {RDFT.TestNTriplesPositiveSyntax, RDFT.TestNTriplesNegativeSyntax}
def check_entry(entry: ManifestEntry) -> None:
assert entry.action is not None
assert entry.type in VALID_TYPES
action_path = entry.uri_mapper.to_local_path(entry.action)
if logger.isEnabledFor(logging.DEBUG):
logger.debug(
"action = %s\n%s", action_path, action_path.read_text(encoding=ENCODING)
)
catcher: Optional[pytest.ExceptionInfo[Exception]] = None
graph = Graph()
with ExitStack() as xstack:
if entry.type == RDFT.TestNTriplesNegativeSyntax:
catcher = xstack.enter_context(pytest.raises(Exception))
graph.parse(action_path, publicID=entry.action, format="ntriples")
if catcher is not None:
assert catcher.value is not None
if entry.type == RDFT.TestNTriplesPositiveSyntax:
graph_data = graph.serialize(format="ntriples")
result_graph = Graph()
result_graph.parse(data=graph_data, publicID=entry.action, format="ntriples")
GraphHelper.assert_isomorphic(graph, result_graph)
GraphHelper.assert_sets_equals(
graph, result_graph, bnode_handling=BNodeHandling.COLLAPSE
)
MARK_DICT = {
f"{REMOTE_BASE_IRI}#nt-syntax-bad-uri-02": pytest.mark.xfail(
reason="accepts an invalid IRI"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-uri-03": pytest.mark.xfail(
reason="accepts an invalid IRI"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-uri-04": pytest.mark.xfail(
reason="accepts an invalid IRI"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-uri-05": pytest.mark.xfail(
reason="accepts an invalid IRI"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-esc-01": pytest.mark.xfail(
reason="accepts badly escaped literal"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-esc-02": pytest.mark.xfail(
reason="accepts badly escaped literal"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-esc-03": pytest.mark.xfail(
reason="accepts badly escaped literal"
),
f"{REMOTE_BASE_IRI}#nt-syntax-bad-esc-04": pytest.mark.xfail(
reason="accepts badly escaped literal"
),
f"{REMOTE_BASE_IRI}#minimal_whitespace": pytest.mark.xfail(
reason="Not parsing valid N-Triples syntax."
),
}
@pytest.mark.parametrize(
["manifest_entry"],
params_from_sources(
MAPPER,
ManifestEntry,
LOCAL_BASE_DIR / "manifest.ttl",
mark_dict=MARK_DICT,
report_prefix="rdflib_w3c_ntriples",
),
)
def test_entry(manifest_entry: ManifestEntry) -> None:
check_entry(manifest_entry)
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