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"""
Test for empty xml:base values
xml:base='' should resolve to the given publicID per XML Base specification
and RDF/XML dependence on it
"""
from rdflib.graph import ConjunctiveGraph
from rdflib.term import URIRef
from rdflib.namespace import Namespace
from rdflib.namespace import RDF
from io import StringIO
import unittest
FOAF = Namespace('http://xmlns.com/foaf/0.1/')
test_data = """
<rdf:RDF
xmlns:foaf="http://xmlns.com/foaf/0.1/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xml:base="">
<rdf:Description rdf:about="">
<rdf:type rdf:resource="http://xmlns.com/foaf/0.1/Document"/>
</rdf:Description>
</rdf:RDF>"""
test_data2 = """
<rdf:RDF
xmlns:foaf="http://xmlns.com/foaf/0.1/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xml:base="../">
<rdf:Description rdf:about="baz">
<rdf:type rdf:resource="http://xmlns.com/foaf/0.1/Document"/>
</rdf:Description>
</rdf:RDF>"""
baseUri = URIRef('http://example.com/')
baseUri2 = URIRef('http://example.com/foo/bar')
class TestEmptyBase(unittest.TestCase):
def setUp(self):
self.graph = ConjunctiveGraph()
self.graph.parse(StringIO(test_data), publicID=baseUri)
def test_base_ref(self):
self.assertTrue(len(self.graph) == 1,
"There should be at least one statement in the graph")
self.assertTrue((baseUri, RDF.type, FOAF.Document) in self.graph,
"There should be a triple with %s as the subject" % baseUri)
class TestRelativeBase(unittest.TestCase):
def setUp(self):
self.graph = ConjunctiveGraph()
self.graph.parse(StringIO(test_data2), publicID=baseUri2)
def test_base_ref(self):
self.assertTrue(len(self.graph) == 1,
"There should be at least one statement in the graph")
resolvedBase = URIRef('http://example.com/baz')
self.assertTrue((resolvedBase, RDF.type, FOAF.Document) in self.graph,
"There should be a triple with %s as the subject" % resolvedBase)
if __name__ == "__main__":
unittest.main()
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