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"""This runs the nt tests for the W3C RDF Working Group's N-Quads
test suite."""
import itertools
import os
from test.data import TEST_DATA_DIR
from test.utils.manifest import RDFTest, read_manifest
from test.utils.namespace import RDFT
from typing import Callable, Dict
import pytest
from rdflib import Graph
from rdflib.compare import graph_diff, isomorphic
from rdflib.namespace import split_uri
from rdflib.term import Node, URIRef
verbose = False
def n3(test: RDFTest):
g = Graph()
try:
base = "https://w3c.github.io/N3/tests/N3Tests/" + split_uri(test.action)[1]
g.parse(test.action, publicID=base, format="n3")
if not test.syntax:
raise AssertionError("Input shouldn't have parsed!")
if test.result: # eval test
res = Graph()
assert not isinstance(test.result, tuple)
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, expected\n%s\n, got\n%s" % (
g.serialize(),
res.serialize(),
)
except:
if test.syntax:
raise
testers: Dict[Node, Callable[[RDFTest], None]] = {
RDFT.TestTurtlePositiveSyntax: n3,
RDFT.TestTurtleNegativeSyntax: n3,
RDFT.TestTurtleEval: n3,
RDFT.TestTurtleNegativeEval: n3,
}
turtle_eval_skipped = [
"SPARQL_style_prefix",
"SPARQL_style_base",
"LITERAL1",
"LITERAL1_ascii_boundaries",
"LITERAL1_with_UTF8_boundaries",
"LITERAL1_all_controls",
"LITERAL1_all_punctuation",
"LITERAL_LONG1",
"LITERAL_LONG1_ascii_boundaries",
"LITERAL_LONG1_with_UTF8_boundaries",
"LITERAL_LONG1_with_1_squote",
"LITERAL_LONG1_with_2_squotes",
"literal_with_CHARACTER_TABULATION",
"literal_with_BACKSPACE",
"literal_with_LINE_FEED",
"literal_with_CARRIAGE_RETURN",
"literal_with_FORM_FEED",
"literal_with_REVERSE_SOLIDUS",
"literal_with_escaped_CHARACTER_TABULATION",
"literal_with_escaped_BACKSPACE",
"literal_with_escaped_LINE_FEED",
"literal_with_escaped_CARRIAGE_RETURN",
"literal_with_escaped_FORM_FEED",
"literal_with_numeric_escape4",
"literal_with_numeric_escape8",
"turtle-subm-01",
"turtle-subm-27",
]
turtle_positive_syntax_skipped = [
"turtle-syntax-base-02",
"turtle-syntax-base-04",
"turtle-syntax-prefix-02",
"turtle-syntax-prefix-03",
"turtle-syntax-string-04",
"turtle-syntax-string-05",
"turtle-syntax-string-06",
"turtle-syntax-string-09",
"turtle-syntax-string-11",
]
EXPECTED_FAILURES: Dict[str, str] = {}
if os.name == "nt":
for test in ["turtle-subm-15", "turtle-subm-16"]:
EXPECTED_FAILURES[test] = "Issue with nt parser and line endings on windows"
for test in turtle_eval_skipped + turtle_positive_syntax_skipped:
EXPECTED_FAILURES[test] = "Known issue with Turtle parser"
@pytest.mark.parametrize(
"rdf_test_uri, type, rdf_test",
itertools.chain(
*(
read_manifest(
os.path.join(TEST_DATA_DIR, "suites", f"w3c/n3/{manifest}"), legacy=True
)
for manifest in [
"TurtleTests/manifest.ttl",
"N3Tests/manifest-parser.ttl",
"N3Tests/manifest-reasoner.ttl",
"N3Tests/manifest-extended.ttl",
]
)
),
)
def test_manifest(rdf_test_uri: URIRef, type: Node, rdf_test: RDFTest):
suffix = rdf_test_uri.split("#")[1]
if suffix in EXPECTED_FAILURES:
pytest.xfail(EXPECTED_FAILURES[suffix])
testers[type](rdf_test)
|
