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"""This runs the turtle tests for the W3C RDF Working Group's N-Quads
test suite."""
from rdflib import Graph
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 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 = {
RDFT.TestTurtlePositiveSyntax: turtle,
RDFT.TestTurtleNegativeSyntax: turtle,
RDFT.TestTurtleEval: turtle,
RDFT.TestTurtleNegativeEval: turtle
}
def test_turtle(tests = None):
for t in nose_tests(testers,
'test/w3c/turtle/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_turtle, 'rdflib_turtle')
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