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"""Runs the tests for the W3C RDF Working Group's TriG test suite.
"""
from rdflib import ConjunctiveGraph
from rdflib.namespace import split_uri
from rdflib.compare import graph_diff, isomorphic
from .manifest import nose_tests, RDFT
from .testutils import nose_tst_earl_report
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"
except:
if test.syntax:
raise
testers = {
RDFT.TestTrigPositiveSyntax: trig,
RDFT.TestTrigNegativeSyntax: trig,
RDFT.TestTrigEval: trig,
RDFT.TestTrigNegativeEval: trig,
}
def test_trig(tests=None):
for t in nose_tests(testers, "test/w3c/trig/manifest.ttl"):
if tests:
for test in tests:
if test in t[1].uri:
break
else:
continue
yield t
if __name__ == "__main__":
verbose = True
nose_tst_earl_report(test_trig, "rdflib_trig")
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