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"""
Part of the bsie test suite.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# standard imports
import unittest
# bsie imports
from bsie.utils import bsfs, ns
# objects to test
from bsie.extractor import base
## code ##
class StubExtractor(base.Extractor):
def __init__(self):
super().__init__(bsfs.schema.from_string(base.SCHEMA_PREAMBLE + '''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
bse:comment rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
'''))
def extract(self, subject, content, predicates):
raise NotImplementedError()
class StubSub(StubExtractor):
pass
class TestExtractor(unittest.TestCase):
def test_essentials(self):
ext = StubExtractor()
self.assertEqual(str(ext), 'StubExtractor')
self.assertEqual(repr(ext), 'StubExtractor()')
self.assertEqual(ext, StubExtractor())
self.assertEqual(hash(ext), hash(StubExtractor()))
sub = StubSub()
self.assertEqual(str(sub), 'StubSub')
self.assertEqual(repr(sub), 'StubSub()')
self.assertEqual(sub, StubSub())
self.assertEqual(hash(sub), hash(StubSub()))
self.assertNotEqual(ext, sub)
self.assertNotEqual(hash(ext), hash(sub))
def test_principals(self):
schema = bsfs.schema.Schema()
entity = schema.node(ns.bsfs.Node).child(ns.bsfs.Entity)
string = schema.literal(ns.bsfs.Literal).child(bsfs.URI('http://www.w3.org/2001/XMLSchema#string'))
p_author = schema.predicate(ns.bsfs.Predicate).child(ns.bse.author, domain=entity, range=string)
p_comment = schema.predicate(ns.bsfs.Predicate).child(ns.bse.comment, domain=entity, range=string)
ext = StubExtractor()
self.assertSetEqual(set(ext.principals),
{p_author, p_comment} | set(schema.predicates()) - {schema.predicate(ns.bsfs.Predicate)})
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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