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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 os
import unittest
# bsie imports
from bsie.extractor import ExtractorBuilder
from bsie.extractor.base import SCHEMA_PREAMBLE
from bsie.lib import PipelineBuilder
from bsie.reader import ReaderBuilder
from bsie.utils import bsfs, node, ns
# objects to test
from bsie.lib.bsie import BSIE
## code ##
class TestBSIE(unittest.TestCase):
def setUp(self):
# reader builder
rbuild = ReaderBuilder({})
# extractor builder
ebuild = ExtractorBuilder([
{'bsie.extractor.generic.path.Path': {}},
{'bsie.extractor.generic.stat.Stat': {}},
{'bsie.extractor.generic.constant.Constant': dict(
tuples=[('http://bsfs.ai/schema/Entity#author', 'Me, myself, and I')],
schema='''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
''',
)},
])
# build pipeline
self.prefix = bsfs.Namespace('http://example.com/local/')
pbuild = PipelineBuilder(self.prefix, rbuild, ebuild)
self.pipeline = pbuild.build()
def test_construction(self):
# pipeline only
lib = BSIE(self.pipeline)
self.assertSetEqual(set(lib.principals), {
ns.bse.filename,
ns.bse.filesize,
ns.bse.author,
})
self.assertEqual(lib.schema, bsfs.schema.from_string(SCHEMA_PREAMBLE + '''
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
bse:filesize rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:integer;
bsfs:unique "false"^^xsd:boolean .
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
'''))
# specify collect
lib = BSIE(self.pipeline, collect={
ns.bse.filesize,
ns.bse.author,
ns.bse.inexistent,
})
self.assertSetEqual(set(lib.principals), {
ns.bse.filesize,
ns.bse.author,
})
self.assertEqual(lib.schema, bsfs.schema.from_string(SCHEMA_PREAMBLE + '''
bse:filesize rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:integer;
bsfs:unique "false"^^xsd:boolean .
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
'''))
# empty collect is disregarded
lib = BSIE(self.pipeline, collect={})
self.assertSetEqual(set(lib.principals), {
ns.bse.filename,
ns.bse.filesize,
ns.bse.author,
})
self.assertEqual(lib.schema, bsfs.schema.from_string(SCHEMA_PREAMBLE + '''
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
bse:filesize rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:integer;
bsfs:unique "false"^^xsd:boolean .
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
'''))
# specify discard
lib = BSIE(self.pipeline, discard={
ns.bse.filesize,
ns.bse.filename,
ns.bse.inexistent,
})
self.assertSetEqual(set(lib.principals), {
ns.bse.author,
})
self.assertEqual(lib.schema, bsfs.schema.from_string(SCHEMA_PREAMBLE + '''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
'''))
# specify collect and discard
lib = BSIE(self.pipeline,
collect={ns.bse.filesize, ns.bse.author, ns.bse.foo, ns.bse.bar},
discard={ns.bse.author, ns.bse.foo, ns.bse.foobar},
)
self.assertSetEqual(set(lib.principals), {
ns.bse.filesize,
})
self.assertEqual(lib.schema, bsfs.schema.from_string(SCHEMA_PREAMBLE + '''
bse:filesize rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:File ;
rdfs:range xsd:integer;
bsfs:unique "false"^^xsd:boolean .
'''))
def test_from_file(self):
# setup
lib = BSIE(self.pipeline)
self.assertSetEqual(set(lib.principals), {
ns.bse.filesize,
ns.bse.filename,
ns.bse.author,
})
content_hash = 'a948904f2f0f479b8f8197694b30184b0d2ed1c1cd2a1ec0fb85d299a192a447'
subject = node.Node(ns.bsfs.File, (self.prefix + 'file#')[content_hash])
testfile = os.path.join(os.path.dirname(__file__), 'testfile.t')
# from_file extracts all available triples
self.assertSetEqual(set(lib.from_file(testfile)), {
(subject, lib.schema.predicate(ns.bse.filename), 'testfile.t'),
(subject, lib.schema.predicate(ns.bse.filesize), 12),
(subject, lib.schema.predicate(ns.bse.author), 'Me, myself, and I'),
})
# from_file respects predicate argument
self.assertSetEqual(set(lib.from_file(testfile, {ns.bse.filename, ns.bse.invalid})), {
(subject, lib.schema.predicate(ns.bse.filename), 'testfile.t'),
})
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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