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import unittest
import logging
import os
import re
from rdflib import Graph, Literal, URIRef
from rdflib.plugins.parsers import ntriples
from rdflib.py3compat import bytestype, b
log = logging.getLogger(__name__)
class NTTestCase(unittest.TestCase):
def testIssue78(self):
g = Graph()
g.add((URIRef("foo"), URIRef("foo"), Literal(u"R\u00E4ksm\u00F6rg\u00E5s")))
s = g.serialize(format='nt')
self.assertEquals(type(s), bytestype)
self.assertTrue(b(r"R\u00E4ksm\u00F6rg\u00E5s") in s)
def testIssue146(self):
g = Graph()
g.add((URIRef("foo"), URIRef("foo"), Literal("test\n", lang="en")))
s = g.serialize(format="nt").strip()
self.assertEqual(s, b('<foo> <foo> "test\\n"@en .'))
def test_sink(self):
s = ntriples.Sink()
self.assert_(s.length == 0)
s.triple(None, None, None)
self.assert_(s.length == 1)
def test_nonvalidating_unquote(self):
safe = b("""<http://example.org/alice/foaf.rdf#me> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> <http://example.org/alice/foaf1.rdf> .""")
ntriples.validate = False
res = ntriples.unquote(safe)
self.assert_(isinstance(res, unicode))
def test_validating_unquote(self):
quot = b("""<http://example.org/alice/foaf.rdf#me> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> <http://example.org/alice/foaf1.rdf> .""")
ntriples.validate = True
res = ntriples.unquote(quot)
# revert to default
ntriples.validate = False
log.debug("restype %s" % type(res))
def test_validating_unquote_raises(self):
ntriples.validate = True
uniquot = b("""<http://www.w3.org/People/Berners-Lee/card#cm> <http://xmlns.com/foaf/0.1/name> "R\\u00E4ksm\\u00F6rg\\u00E5s" <http://www.w3.org/People/Berners-Lee/card> .""")
self.assertRaises(ntriples.ParseError, ntriples.unquote, uniquot)
uniquot = b("""<http://www.w3.org/People/Berners-Lee/card#cm> <http://xmlns.com/foaf/0.1/name> "R\\\\u00E4ksm\\u00F6rg\\u00E5s" <http://www.w3.org/People/Berners-Lee/card> .""")
self.assertRaises(ntriples.ParseError, ntriples.unquote, uniquot)
# revert to default
ntriples.validate = False
def test_nonvalidating_uriquote(self):
ntriples.validate = False
safe = """<http://example.org/alice/foaf.rdf#me> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> <http://example.org/alice/foaf1.rdf> ."""
res = ntriples.uriquote(safe)
self.assert_(res == safe)
def test_validating_uriquote(self):
ntriples.validate = True
uniquot = """<http://www.w3.org/People/Berners-Lee/card#cm> <http://xmlns.com/foaf/0.1/name> "R\\u00E4ksm\\u00F6rg\\u00E5s" <http://www.w3.org/People/Berners-Lee/card> ."""
res = ntriples.uriquote(uniquot)
# revert to default
ntriples.validate = False
self.assertEqual(res, uniquot)
def test_NTriplesParser_fpath(self):
fpath = "test/nt/"+os.listdir('test/nt')[0]
p = ntriples.NTriplesParser()
self.assertRaises(ntriples.ParseError, p.parse, fpath)
def test_NTriplesParser_parsestring(self):
p = ntriples.NTriplesParser()
data = 3
self.assertRaises(ntriples.ParseError, p.parsestring, data)
fname = "test/nt/lists-02.nt"
data = open(fname, 'r').read()
p = ntriples.NTriplesParser()
res = p.parsestring(data)
self.assert_(res == None)
def test_w3_ntriple_variants(self):
uri = "file:///"+os.getcwd()+"/test/nt/test.ntriples"
import urllib
parser = ntriples.NTriplesParser()
u = urllib.urlopen(uri)
sink = parser.parse(u)
u.close()
# ATM we are only really interested in any exceptions thrown
self.assert_(sink is not None)
def test__no_EOF(self):
data = '''<http://example.org/resource32> <http://example.org/property> <http://example.org/datatype1> .'''
p = ntriples.NTriplesParser()
def test_bad_line(self):
data = '''<http://example.org/resource32> 3 <http://example.org/datatype1> .\n'''
p = ntriples.NTriplesParser()
self.assertRaises(ntriples.ParseError, p.parsestring, data)
def test_cover_eat(self):
data = '''<http://example.org/resource32> 3 <http://example.org/datatype1> .\n'''
p = ntriples.NTriplesParser()
p.line = data
self.assertRaises(ntriples.ParseError, p.eat, re.compile('<http://example.org/datatype1>'))
def test_cover_subjectobjectliteral(self):
# data = '''<http://example.org/resource32> 3 <http://example.org/datatype1> .\n'''
p = ntriples.NTriplesParser()
p.line = b("baz")
self.assertRaises(ntriples.ParseError, p.subject)
self.assertRaises(ntriples.ParseError, p.object)
# p.line = '"baz"@fr^^<http://example.org/datatype1>'
# self.assertRaises(ntriples.ParseError, p.literal)
if __name__ == "__main__":
unittest.main()
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