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"""Runs the tests for the W3C RDF Working Group's TriG test suite.
"""
from typing import Callable, Dict
from rdflib import ConjunctiveGraph
from rdflib.namespace import Namespace, split_uri
from rdflib.compare import graph_diff, isomorphic
from rdflib.term import Node, URIRef
from test.manifest import RDFT, RDFTest, read_manifest
import pytest
import os
verbose = False
def trig(test):
g = ConjunctiveGraph()
try:
base = "http://www.w3.org/2013/TriGTests/" + split_uri(test.action)[1]
g.parse(test.action, publicID=base, format="trig")
if not test.syntax:
raise AssertionError("Input shouldn't have parsed!")
if test.result: # eval test
res = ConjunctiveGraph()
res.parse(test.result, format="nquads")
if verbose:
both, first, second = graph_diff(g, res)
if not first and not second:
return
print("===============================")
print("TriG")
print(g.serialize(format="nquads"))
print("===============================")
print("NQuads")
print(res.serialize(format="nquads"))
print("===============================")
print("Diff:")
# print "%d triples in both"%len(both)
print("TriG Only:")
for t in first:
print(t)
print("--------------------")
print("NQuads Only")
for t in second:
print(t)
raise Exception("Graphs do not match!")
assert isomorphic(
g, res
), "graphs must be the same, expected\n%s\n, got\n%s" % (
g.serialize(),
res.serialize(),
)
except:
if test.syntax:
raise
testers: Dict[Node, Callable[[RDFTest], None]] = {
RDFT.TestTrigPositiveSyntax: trig,
RDFT.TestTrigNegativeSyntax: trig,
RDFT.TestTrigEval: trig,
RDFT.TestTrigNegativeEval: trig,
}
NAMESPACE = Namespace(
"https://dvcs.w3.org/hg/rdf/raw-file/default/trig/tests/manifest.ttl#"
)
EXPECTED_FAILURES: Dict[URIRef, str] = {}
if os.name == "nt":
for test in ["literal_with_LINE_FEED", "trig-subm-15", "trig-subm-16"]:
EXPECTED_FAILURES[
NAMESPACE[test]
] = "Issue with nt parser and line endings on windows"
@pytest.mark.parametrize(
"rdf_test_uri, type, rdf_test",
read_manifest("test/w3c/trig/manifest.ttl"),
)
def test_manifest(rdf_test_uri: URIRef, type: Node, rdf_test: RDFTest):
if rdf_test_uri in EXPECTED_FAILURES:
pytest.xfail(EXPECTED_FAILURES[rdf_test_uri])
testers[type](rdf_test)
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