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"""
Part of the bsie test suite.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# imports
import unittest
# bsie imports
from bsie.utils import ns
from bsie.utils.node import Node
# objects to test
from bsie.extractor.generic.constant import Constant
## code ##
class TestConstant(unittest.TestCase):
def test_extract(self):
schema = '''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
owl:maxCardinality "1"^^xsd:number .
bse:comment rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
owl:maxCardinality "INF"^^xsd:number .
'''
tuples = [
(ns.bse.author, 'Me, myself, and I'),
(ns.bse.comment, 'the quick brown fox jumps over the lazy dog.'),
]
ext = Constant(schema, tuples)
node = Node(ns.bsfs.Entity, '') # Blank node
p_author = ext.schema.predicate(ns.bse.author)
p_comment = ext.schema.predicate(ns.bse.comment)
entity = ext.schema.node(ns.bsfs.Node).get_child(ns.bsfs.Entity)
string = ext.schema.literal(ns.bsfs.Literal).get_child(ns.xsd.string)
# baseline
self.assertSetEqual(set(ext.extract(node, None, (p_author, p_comment))),
{(node, p_author, 'Me, myself, and I'),
(node, p_comment, 'the quick brown fox jumps over the lazy dog.')})
# predicates is respected
p_foobar = ext.schema.predicate(ns.bsfs.Predicate).get_child(ns.bse.foobar, domain=entity, range=entity)
self.assertSetEqual(set(ext.extract(node, None, (p_author, p_foobar))),
{(node, p_author, 'Me, myself, and I')})
self.assertSetEqual(set(ext.extract(node, None, (p_comment, p_foobar))),
{(node, p_comment, 'the quick brown fox jumps over the lazy dog.')})
p_barfoo = ext.schema.predicate(ns.bse.author).get_child(ns.bse.comment, domain=entity, range=string)
self.assertSetEqual(set(ext.extract(node, None, (p_foobar, p_barfoo))), set())
def test_construct(self):
# schema compliance
schema = '''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
owl:maxCardinality "1"^^xsd:number .
bse:comment rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
owl:maxCardinality "INF"^^xsd:number .
'''
# can create a schema
self.assertIsInstance(Constant(schema, [
(ns.bse.author, 'Me, myself, and I'),
(ns.bse.comment, 'the quick brown fox jumps over the lazy dog.'),
]), Constant)
# predicates are validated
self.assertRaises(KeyError, Constant, schema, [
(ns.bse.author, 'Me, myself, and I'),
(ns.bse.foobar, 'foobar!')])
# FIXME: values are validated
#class Foo(): pass # not string compatible
#self.assertRaises(ValueError, Constant, schema, [
# (ns.bse.author, Foo())])
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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