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from codecs import getreader
from io import BytesIO, StringIO
from rdflib import URIRef, Literal
from rdflib.graph import Graph
rdf = """@prefix skos:
<http://www.w3.org/2004/02/skos/core#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix : <http://www.test.org/#> .
:world rdf:type skos:Concept;
skos:prefLabel "World"@en.
:africa rdf:type skos:Concept;
skos:prefLabel "Africa"@en;
skos:broaderTransitive :world.
:CI rdf:type skos:Concept;
skos:prefLabel "C\u00f4te d'Ivoire"@fr;
skos:broaderTransitive :africa.
"""
rdf_utf8 = rdf.encode("utf-8")
rdf_reader = getreader("utf-8")(BytesIO(rdf.encode("utf-8")))
def test_a():
"""Test reading N3 from a unicode objects as data"""
g = Graph()
g.parse(data=rdf, format="n3")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
def test_b():
"""Test reading N3 from a utf8 encoded string as data"""
g = Graph()
g.parse(data=rdf_utf8, format="n3")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
def test_c():
"""Test reading N3 from a codecs.StreamReader, outputting unicode"""
g = Graph()
# rdf_reader.seek(0)
g.parse(source=rdf_reader, format="n3")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
def test_d():
"""Test reading N3 from a StringIO over the unicode object"""
g = Graph()
g.parse(source=StringIO(rdf), format="n3")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
def test_e():
"""Test reading N3 from a BytesIO over the string object"""
g = Graph()
g.parse(source=BytesIO(rdf_utf8), format="n3")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
# this is unicode
rdfxml = """<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:skos="http://www.w3.org/2004/02/skos/core#"
>
<rdf:Description rdf:about="http://www.test.org/#CI">
<rdf:type rdf:resource="http://www.w3.org/2004/02/skos/core#Concept"/>
<skos:prefLabel xml:lang="fr">C\u00f4te d\'Ivoire</skos:prefLabel>
<skos:broaderTransitive rdf:resource="http://www.test.org/#africa"/>
</rdf:Description>
</rdf:RDF>
"""
# this is a str
rdfxml_utf8 = rdfxml.encode("utf-8")
rdfxml_reader = getreader("utf-8")(BytesIO(rdfxml.encode("utf-8")))
def test_xml_a():
"""Test reading XML from a unicode object as data"""
g = Graph()
g.parse(data=rdfxml, format="xml")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
def test_xml_b():
"""Test reading XML from a utf8 encoded string object as data"""
g = Graph()
g.parse(data=rdfxml_utf8, format="xml")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
# The following two cases are currently not supported by Graph.parse
# def test_xml_c():
# """Test reading XML from a codecs.StreamReader, outputting unicode"""
# g = Graph()
# g.parse(source=rdfxml_reader, format='xml')
# v = g.value(subject=URIRef("http://www.test.org/#CI"), predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"))
# assert v==Literal(u"C\u00f4te d'Ivoire", lang='fr')
# def test_xml_d():
# """Test reading XML from a BytesIO created from unicode object"""
# g = Graph()
# g.parse(source=BytesIO(rdfxml), format='xml')
# v = g.value(subject=URIRef("http://www.test.org/#CI"), predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"))
# assert v==Literal(u"C\u00f4te d'Ivoire", lang='fr')
def test_xml_e():
"""Test reading XML from a BytesIO created from utf8 encoded string"""
g = Graph()
g.parse(source=BytesIO(rdfxml_utf8), format="xml")
v = g.value(
subject=URIRef("http://www.test.org/#CI"),
predicate=URIRef("http://www.w3.org/2004/02/skos/core#prefLabel"),
)
assert v == Literal("C\u00f4te d'Ivoire", lang="fr")
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