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# standard imports
import unittest
# bsie imports
from bsie.utils import errors
# objects to test
from bsie.extractor import ExtractorBuilder
## code ##
class TestExtractorBuilder(unittest.TestCase):
def test_iter(self):
# no specifications
self.assertListEqual(list(ExtractorBuilder([])), [])
# some specifications
builder = ExtractorBuilder([
{'bsie.extractor.generic.path.Path': {}},
{'bsie.extractor.generic.stat.Stat': {}},
{'bsie.extractor.generic.path.Path': {}},
])
self.assertListEqual(list(builder), [0, 1, 2])
def test_build(self):
# simple and repeated extractors
builder = ExtractorBuilder([
{'bsie.extractor.generic.path.Path': {}},
{'bsie.extractor.generic.stat.Stat': {}},
{'bsie.extractor.generic.path.Path': {}},
])
ext = [builder.build(0), builder.build(1), builder.build(2)]
import bsie.extractor.generic.path
import bsie.extractor.generic.stat
self.assertListEqual(ext, [
bsie.extractor.generic.path.Path(),
bsie.extractor.generic.stat.Stat(),
bsie.extractor.generic.path.Path(),
])
# out-of-bounds raises KeyError
self.assertRaises(IndexError, builder.build, 3)
# building with args
builder = ExtractorBuilder([
{'bsie.extractor.generic.constant.Constant': {
'schema': '''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
bse:rating rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:integer ;
bsfs:unique "true"^^xsd:boolean .
''',
'tuples': [
('http://bsfs.ai/schema/Entity#author', 'Me, myself, and I'),
('http://bsfs.ai/schema/Entity#rating', 123),
],
}}])
obj = builder.build(0)
import bsie.extractor.generic.constant
self.assertEqual(obj, bsie.extractor.generic.constant.Constant('''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "true"^^xsd:boolean .
bse:rating rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:integer ;
bsfs:unique "true"^^xsd:boolean .
''', [
('http://bsfs.ai/schema/Entity#author', 'Me, myself, and I'),
('http://bsfs.ai/schema/Entity#rating', 123),
]))
# building with invalid args
self.assertRaises(errors.BuilderError, ExtractorBuilder(
[{'bsie.extractor.generic.path.Path': {'foo': 123}}]).build, 0)
# non-dict build specification
self.assertRaises(TypeError, ExtractorBuilder(
[('bsie.extractor.generic.path.Path', {})]).build, 0)
# multiple keys per build specification
self.assertRaises(TypeError, ExtractorBuilder(
[{'bsie.extractor.generic.path.Path': {},
'bsie.extractor.generic.stat.Stat': {}}]).build, 0)
# non-dict value for kwargs
self.assertRaises(TypeError, ExtractorBuilder(
[{'bsie.extractor.generic.path.Path': 123}]).build, 0)
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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