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# standard imports
import unittest
# bsie imports
from bsie.extractor import base
from bsie.utils import bsfs, node as _node, ns
# objects to test
from bsie.extractor.generic.path import Path
## code ##
class TestPath(unittest.TestCase):
def test_eq(self):
# distinct instances, same data
self.assertEqual(Path(), Path())
# different classes
class Foo(): pass
self.assertNotEqual(Path(), Foo())
self.assertNotEqual(Path(), 123)
self.assertNotEqual(Path(), None)
def test_schema(self):
self.assertEqual(Path().schema,
bsfs.schema.from_string(base.SCHEMA_PREAMBLE + '''
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
'''))
def test_extract(self):
ext = Path()
node = _node.Node(ns.bsfs.File, '') # Blank node
content = '/tmp/foo/bar'
p_filename = ext.schema.predicate(ns.bse.filename)
entity = ext.schema.node(ns.bsfs.Node).child(ns.bsfs.Entity)
string = ext.schema.literal(ns.bsfs.Literal).child(ns.xsd.string)
# baseline
self.assertSetEqual(set(ext.extract(node, content, (p_filename, ))),
{(node, p_filename, 'bar')})
# predicates parameter is respected
p_foo = ext.schema.predicate(ns.bsfs.Predicate).child(ns.bse.foo, domain=entity, range=string) # unsupported predicate
self.assertSetEqual(set(ext.extract(node, content, (p_filename, p_foo))),
{(node, p_filename, 'bar')})
self.assertSetEqual(set(ext.extract(node, content, (p_foo, ))), set())
# predicates are validated
p_bar = p_foo.child(ns.bse.filename) # same URI but different hierarchy
self.assertSetEqual(set(ext.extract(node, content, (p_filename, p_bar))),
{(node, p_filename, 'bar')})
self.assertSetEqual(set(ext.extract(node, content, (p_bar, ))), set())
# path variations
self.assertSetEqual(set(ext.extract(node, 'bar', (p_filename, ))),
{(node, p_filename, 'bar')})
self.assertSetEqual(set(ext.extract(node, '', (p_filename, ))),
{(node, p_filename, '')})
# errors are suppressed
self.assertSetEqual(set(ext.extract(node, None, (p_filename, ))), set())
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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