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senpy/tests/test_semantics.py
2019-07-17 16:29:30 +02:00

129 lines
4.3 KiB
Python

#!/usr/local/bin/python
# -*- coding: utf-8 -*-
#
# Copyright 2014 Grupo de Sistemas Inteligentes (GSI) DIT, UPM
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from future.standard_library import install_aliases
install_aliases()
import os
from rdflib import Graph
from senpy.extensions import Senpy
from flask import Flask
from unittest import TestCase
from urllib.parse import urlencode
def parse_resp(resp, fmt):
return Graph().parse(data=resp.data.decode(), format=fmt)
class SemanticsTest(TestCase):
'''Tests for the semantics of the server.'''
@classmethod
def setUpClass(cls):
"""Set up only once, and re-use in every individual test"""
cls.app = Flask("test_extensions")
cls.client = cls.app.test_client()
cls.senpy = Senpy(default_plugins=True)
cls.senpy.init_app(cls.app)
cls.dir = os.path.join(os.path.dirname(__file__), "..")
cls.senpy.add_folder(cls.dir)
cls.senpy.activate_all()
cls.senpy.default_plugin = 'Dummy'
def setUp(self):
self.app.config['TESTING'] = True # Tell Flask not to catch Exceptions
def assertCode(self, resp, code):
self.assertEqual(resp.status_code, code)
def test_sentiment(self):
"""
A sentiment analysis call in JSON-LD
"""
# We use expanded JSON-LD and ignore the context, because in general
# the context is a URIS to the service and that URI is not
# available outside of self.client
params = {
'input': 'hello',
'in-headers': True,
'outformat': 'json-ld',
'expanded': True,
'prefix': 'http://default.example/#'
}
resp = self.client.get("/api/basic?{}".format(urlencode(params)))
self.assertCode(resp, 200)
g = parse_resp(resp, fmt='json-ld')
assert g
qres = g.query("""
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX marl: <http://www.gsi.dit.upm.es/ontologies/marl/ns#>
PREFIX nif: <http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#>
PREFIX onyx: <http://www.gsi.dit.upm.es/ontologies/onyx/ns#>
PREFIX senpy: <http://www.gsi.upm.es/onto/senpy/ns#>
SELECT DISTINCT ?entry ?text ?sentiment
WHERE {
?entry a senpy:Entry .
?entry marl:hasOpinion ?o .
?entry nif:isString ?text .
?o marl:hasPolarity ?sentiment .
}""")
assert len(qres) == 1
entry, text, sentiment = list(qres)[0]
assert entry
assert str(text) == 'hello'
assert str(sentiment) in ['marl:Positive', 'marl:Neutral', 'marl:Negative']
def test_sentiment_turtle(self):
"""
A sentiment analysis call in turtle format
"""
params = {
'input': 'hello',
'in-headers': True,
'outformat': 'turtle',
'expanded': True,
'prefix': 'http://default.example/#'
}
resp = self.client.get("/api/basic?{}".format(urlencode(params)))
self.assertCode(resp, 200)
g = parse_resp(resp, 'ttl')
qres = g.query("""
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX marl: <http://www.gsi.dit.upm.es/ontologies/marl/ns#>
PREFIX nif: <http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#>
PREFIX onyx: <http://www.gsi.dit.upm.es/ontologies/onyx/ns#>
PREFIX senpy: <http://www.gsi.upm.es/onto/senpy/ns#>
SELECT DISTINCT ?entry ?text ?sentiment
WHERE {
?entry a senpy:Entry .
?entry marl:hasOpinion ?o .
?entry nif:isString ?text .
?o marl:hasPolarity ?sentiment .
}""")
assert len(qres) == 1
entry, text, sentiment = list(qres)[0]
assert entry
assert str(text) == 'hello'
assert str(sentiment) in ['marl:Positive', 'marl:Neutral', 'marl:Negative']