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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 logging
import unittest
# bsie imports
from bsie import base
from bsie.base import errors
from bsie.utils.bsfs import URI
# objects to test
from bsie.tools.builder import ExtractorBuilder
from bsie.tools.builder import PipelineBuilder
from bsie.tools.builder import ReaderBuilder
from bsie.tools.builder import _safe_load
from bsie.tools.builder import _unpack_name
## code ##
class TestUtils(unittest.TestCase):
def test_safe_load(self):
# invalid module
self.assertRaises(errors.LoaderError, _safe_load, 'dBGHMSAYOoKeKMpywDoKZQycENFPvN', 'foobar')
self.assertRaises(errors.LoaderError, _safe_load, 'dBGHMSAYOoKeKMpywDoKZQycENFPvN.bar', 'foobar')
# partially valid module
self.assertRaises(errors.LoaderError, _safe_load, 'os.foo', 'foobar')
# invalid class
self.assertRaises(errors.LoaderError, _safe_load, 'os.path', 'foo')
# valid module and class
cls = _safe_load('collections.abc', 'Container')
import collections.abc
self.assertEqual(cls, collections.abc.Container)
def test_unpack_name(self):
self.assertRaises(TypeError, _unpack_name, 123)
self.assertRaises(TypeError, _unpack_name, None)
self.assertRaises(ValueError, _unpack_name, '')
self.assertRaises(ValueError, _unpack_name, 'path')
self.assertRaises(ValueError, _unpack_name, '.Path')
self.assertEqual(_unpack_name('path.Path'), ('path', 'Path'))
self.assertEqual(_unpack_name('path.foo.bar.Path'), ('path.foo.bar', 'Path'))
class TestReaderBuilder(unittest.TestCase):
def test_build(self):
builder = ReaderBuilder({'bsie.reader.path.Path': {}})
# build configured reader
cls = builder.build('bsie.reader.path.Path')
import bsie.reader.path
self.assertIsInstance(cls, bsie.reader.path.Path)
# build unconfigured reader
cls = builder.build('bsie.reader.stat.Stat')
import bsie.reader.stat
self.assertIsInstance(cls, bsie.reader.stat.Stat)
# re-build previous reader (test cache)
self.assertEqual(cls, builder.build('bsie.reader.stat.Stat'))
# test invalid
self.assertRaises(TypeError, builder.build, 123)
self.assertRaises(TypeError, builder.build, None)
self.assertRaises(ValueError, builder.build, '')
self.assertRaises(ValueError, builder.build, 'Path')
self.assertRaises(errors.BuilderError, builder.build, 'path.Path')
# invalid config
builder = ReaderBuilder({'bsie.reader.stat.Stat': dict(foo=123)})
self.assertRaises(errors.BuilderError, builder.build, 'bsie.reader.stat.Stat')
builder = ReaderBuilder({'bsie.reader.stat.Stat': 123})
self.assertRaises(TypeError, builder.build, 'bsie.reader.stat.Stat')
# no instructions
builder = ReaderBuilder({})
cls = builder.build('bsie.reader.stat.Stat')
self.assertIsInstance(cls, bsie.reader.stat.Stat)
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 ;
owl:maxCardinality "1"^^xsd:number .
bse:rating rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:integer ;
owl:maxCardinality "1"^^xsd:number .
''',
'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 ;
owl:maxCardinality "1"^^xsd:number .
bse:rating rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:integer ;
owl:maxCardinality "1"^^xsd:number .
''', [
('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)
class TestPipelineBuilder(unittest.TestCase):
def test_build(self):
prefix = URI('http://example.com/local/file#')
c_schema = '''
bse:author rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
owl:maxCardinality "1"^^xsd:number .
'''
c_tuples = [('http://bsfs.ai/schema/Entity#author', 'Me, myself, and I')]
# prepare builders
rbuild = ReaderBuilder({})
ebuild = ExtractorBuilder([
{'bsie.extractor.generic.path.Path': {}},
{'bsie.extractor.generic.stat.Stat': {}},
{'bsie.extractor.generic.constant.Constant': dict(
schema=c_schema,
tuples=c_tuples,
)},
])
# build pipeline
builder = PipelineBuilder(prefix, rbuild, ebuild)
pipeline = builder.build()
# delayed import
import bsie.reader.path
import bsie.reader.stat
import bsie.extractor.generic.path
import bsie.extractor.generic.stat
import bsie.extractor.generic.constant
# check pipeline
self.assertDictEqual(pipeline._ext2rdr, {
bsie.extractor.generic.path.Path(): bsie.reader.path.Path(),
bsie.extractor.generic.stat.Stat(): bsie.reader.stat.Stat(),
bsie.extractor.generic.constant.Constant(c_schema, c_tuples): None,
})
# fail to load extractor
ebuild_err = ExtractorBuilder([
{'bsie.extractor.generic.foo.Foo': {}},
{'bsie.extractor.generic.path.Path': {}},
])
with self.assertLogs(logging.getLogger('bsie.tools.builder'), logging.ERROR):
pipeline = PipelineBuilder(prefix, rbuild, ebuild_err).build()
self.assertDictEqual(pipeline._ext2rdr, {
bsie.extractor.generic.path.Path(): bsie.reader.path.Path()})
# fail to build extractor
ebuild_err = ExtractorBuilder([
{'bsie.extractor.generic.path.Path': {'foo': 123}},
{'bsie.extractor.generic.path.Path': {}},
])
with self.assertLogs(logging.getLogger('bsie.tools.builder'), logging.ERROR):
pipeline = PipelineBuilder(prefix, rbuild, ebuild_err).build()
self.assertDictEqual(pipeline._ext2rdr, {
bsie.extractor.generic.path.Path(): bsie.reader.path.Path()})
# fail to load reader
with self.assertLogs(logging.getLogger('bsie.tools.builder'), logging.ERROR):
# switch reader of an extractor
old_reader = bsie.extractor.generic.path.Path.CONTENT_READER
bsie.extractor.generic.path.Path.CONTENT_READER = 'bsie.reader.foo.Foo'
# build pipeline with invalid reader reference
pipeline = PipelineBuilder(prefix, rbuild, ebuild).build()
self.assertDictEqual(pipeline._ext2rdr, {
bsie.extractor.generic.stat.Stat(): bsie.reader.stat.Stat(),
bsie.extractor.generic.constant.Constant(c_schema, c_tuples): None,
})
# switch back
bsie.extractor.generic.path.Path.CONTENT_READER = old_reader
# fail to build reader
rbuild_err = ReaderBuilder({'bsie.reader.stat.Stat': dict(foo=123)})
with self.assertLogs(logging.getLogger('bsie.tools.builder'), logging.ERROR):
pipeline = PipelineBuilder(prefix, rbuild_err, ebuild).build()
self.assertDictEqual(pipeline._ext2rdr, {
bsie.extractor.generic.path.Path(): bsie.reader.path.Path(),
bsie.extractor.generic.constant.Constant(c_schema, c_tuples): None,
})
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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