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"""This runs the turtle tests for the W3C RDF Working Group's N-Quads
test suite."""
from typing import Callable, Dict
from rdflib import Graph
from rdflib.namespace import 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
verbose = False
def turtle(test):
g = Graph()
try:
base = "http://www.w3.org/2013/TurtleTests/" + split_uri(test.action)[1]
g.parse(test.action, publicID=base, format="turtle")
if not test.syntax:
raise AssertionError("Input shouldn't have parsed!")
if test.result: # eval test
res = Graph()
res.parse(test.result, format="nt")
if verbose:
both, first, second = graph_diff(g, res)
if not first and not second:
return
print("Diff:")
# print "%d triples in both"%len(both)
print("Turtle Only:")
for t in first:
print(t)
print("--------------------")
print("NT Only")
for t in second:
print(t)
raise Exception("Graphs do not match!")
assert isomorphic(g, res), "graphs must be the same"
except:
if test.syntax:
raise
testers: Dict[Node, Callable[[RDFTest], None]] = {
RDFT.TestTurtlePositiveSyntax: turtle,
RDFT.TestTurtleNegativeSyntax: turtle,
RDFT.TestTurtleEval: turtle,
RDFT.TestTurtleNegativeEval: turtle,
}
@pytest.mark.parametrize(
"rdf_test_uri, type, rdf_test",
read_manifest("test/w3c/turtle/manifest.ttl"),
)
def test_manifest(rdf_test_uri: URIRef, type: Node, rdf_test: RDFTest):
testers[type](rdf_test)
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