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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 urllib.request import urlopen
from test import TEST_DIR
log = logging.getLogger(__name__)
NT_PATH = os.path.relpath(os.path.join(TEST_DIR, "nt"), os.curdir)
def nt_file(fn):
return os.path.join(NT_PATH, fn)
class NTTestCase(unittest.TestCase):
def testIssue859(self):
graphA = Graph()
graphB = Graph()
graphA.parse(nt_file("quote-01.nt"), format="ntriples")
graphB.parse(nt_file("quote-02.nt"), format="ntriples")
for subjectA, predicateA, objA in graphA:
for subjectB, predicateB, objB in graphB:
self.assertEqual(subjectA, subjectB)
self.assertEqual(predicateA, predicateB)
self.assertEqual(objA, objB)
def testIssue78(self):
g = Graph()
g.add((URIRef("foo"), URIRef("foo"), Literal("R\u00E4ksm\u00F6rg\u00E5s")))
s = g.serialize(format="nt", encoding="latin-1")
self.assertEqual(type(s), bytes)
self.assertTrue(r"R\u00E4ksm\u00F6rg\u00E5s".encode("latin-1") in s)
def testIssue146(self):
g = Graph()
g.add((URIRef("foo"), URIRef("foo"), Literal("test\n", lang="en")))
s = g.serialize(format="nt", encoding="latin-1").strip()
self.assertEqual(s, b'<foo> <foo> "test\\n"@en .')
def testIssue1144_rdflib(self):
fname = "test/nt/lists-02.nt"
g1 = Graph()
with open(fname, "r") as f:
g1.parse(f, format="nt")
self.assertEqual(14, len(g1))
g2 = Graph()
with open(fname, "rb") as fb:
g2.parse(fb, format="nt")
self.assertEqual(14, len(g2))
def testIssue1144_w3c(self):
fname = "test/nt/lists-02.nt"
sink1 = ntriples.NTGraphSink(Graph())
p1 = ntriples.W3CNTriplesParser(sink1)
with open(fname, "r") as f:
p1.parse(f)
self.assertEqual(14, len(sink1.g))
sink2 = ntriples.NTGraphSink(Graph())
p2 = ntriples.W3CNTriplesParser(sink2)
with open(fname, "rb") as f:
p2.parse(f)
self.assertEqual(14, len(sink2.g))
def test_sink(self):
s = ntriples.DummySink()
self.assertTrue(s.length == 0)
s.triple(None, None, None)
self.assertTrue(s.length == 1)
def test_nonvalidating_unquote(self):
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> ."""
ntriples.validate = False
res = ntriples.unquote(safe)
self.assertTrue(isinstance(res, str))
def test_validating_unquote(self):
quot = """<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 = """<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 = """<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.assertTrue(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_W3CNTriplesParser_fpath(self):
fpath = os.path.join(nt_file(os.listdir(NT_PATH)[0]))
p = ntriples.W3CNTriplesParser()
self.assertRaises(ntriples.ParseError, p.parse, fpath)
def test_W3CNTriplesParser_parsestring(self):
p = ntriples.W3CNTriplesParser()
data = 3
self.assertRaises(ntriples.ParseError, p.parsestring, data)
with open(nt_file("lists-02.nt"), "r") as f:
data = f.read()
p = ntriples.W3CNTriplesParser()
res = p.parsestring(data)
self.assertTrue(res == None)
def test_w3_ntriple_variants(self):
uri = "file://" + os.path.abspath(nt_file("test.ntriples"))
parser = ntriples.W3CNTriplesParser()
u = urlopen(uri)
sink = parser.parse(u)
u.close()
# ATM we are only really interested in any exceptions thrown
self.assertTrue(sink is not None)
def test_bad_line(self):
data = (
"""<http://example.org/resource32> 3 <http://example.org/datatype1> .\n"""
)
p = ntriples.W3CNTriplesParser()
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.W3CNTriplesParser()
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.W3CNTriplesParser()
p.line = "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)
class BNodeContextTestCase(unittest.TestCase):
def test_bnode_shared_across_instances(self):
my_sink = FakeSink()
bnode_context = dict()
p = ntriples.W3CNTriplesParser(my_sink, bnode_context=bnode_context)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000001> .
"""
)
q = ntriples.W3CNTriplesParser(my_sink, bnode_context=bnode_context)
q.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000002> .
"""
)
self.assertEqual(len(my_sink.subs), 1)
def test_bnode_distinct_across_instances(self):
my_sink = FakeSink()
p = ntriples.W3CNTriplesParser(my_sink)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000001> .
"""
)
q = ntriples.W3CNTriplesParser(my_sink)
q.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000002> .
"""
)
self.assertEqual(len(my_sink.subs), 2)
def test_bnode_distinct_across_parse(self):
my_sink = FakeSink()
p = ntriples.W3CNTriplesParser(my_sink)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000001> .
""",
bnode_context=dict(),
)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000002> .
""",
bnode_context=dict(),
)
self.assertEqual(len(my_sink.subs), 2)
def test_bnode_shared_across_parse(self):
my_sink = FakeSink()
p = ntriples.W3CNTriplesParser(my_sink)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000001> .
"""
)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000002> .
"""
)
self.assertEqual(len(my_sink.subs), 1)
def test_bnode_shared_across_instances_with_parse_option(self):
my_sink = FakeSink()
bnode_ctx = dict()
p = ntriples.W3CNTriplesParser(my_sink)
p.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000001> .
""",
bnode_context=bnode_ctx,
)
q = ntriples.W3CNTriplesParser(my_sink)
q.parsestring(
"""
_:0 <http://purl.obolibrary.org/obo/RO_0002350> <http://www.gbif.org/species/0000002> .
""",
bnode_context=bnode_ctx,
)
self.assertEqual(len(my_sink.subs), 1)
class FakeSink(object):
def __init__(self):
self.subs = set()
def triple(self, s, p, o):
self.subs.add(s)
if __name__ == "__main__":
unittest.main()
|
