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test_wrapper.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
import inspect
import logging
import os
import sys
import time
import unittest
import urllib.error
import urllib.parse
import urllib.request
from urllib.parse import parse_qs, parse_qsl, urlparse
from urllib.request import Request
logging.basicConfig()
# prefer local copy to the one which is installed
# hack from http://stackoverflow.com/a/6098238/280539
_top_level_path = os.path.realpath(
os.path.abspath(
os.path.join(os.path.split(inspect.getfile(inspect.currentframe()))[0], "..")
)
)
if _top_level_path not in sys.path:
sys.path.insert(0, _top_level_path)
# end of hack
import warnings
from io import StringIO
# we don't want to let Wrapper do real web-requests. so, we are…
# constructing a simple Mock!
from urllib.error import HTTPError
warnings.simplefilter("always")
import SPARQLWrapper.Wrapper as _victim
from SPARQLWrapper import (
BASIC,
CSV,
DIGEST,
GET,
INSERT,
JSON,
JSONLD,
N3,
POST,
POSTDIRECTLY,
RDF,
RDFXML,
SELECT,
TSV,
TURTLE,
URLENCODED,
XML,
SPARQLWrapper,
)
from SPARQLWrapper.Wrapper import (
EndPointInternalError,
EndPointNotFound,
QueryBadFormed,
QueryResult,
Unauthorized,
URITooLong,
)
class FakeResult(object):
def __init__(self, request):
self.request = request
def urlopener(request):
return FakeResult(request)
def urlopener_error_generator(code):
def urlopener_error(request):
raise HTTPError(request.get_full_url, code, "", {}, StringIO(""))
return urlopener_error
def urlopener_check_data_encoding(request):
if isinstance(request.data, str):
raise TypeError
# DONE
class SPARQLWrapper_Test(unittest.TestCase):
@staticmethod
def _get_request(wrapper):
return wrapper.query().response.request # possible due to mock above
@staticmethod
def _get_parameters_from_request(request):
if request.get_method() == "GET":
pieces_str = urlparse(request.get_full_url()).query
else:
pieces_str = request.data.decode("ascii")
return parse_qs(pieces_str)
@staticmethod
def _get_request_parameters(wrapper):
request = SPARQLWrapper_Test._get_request(wrapper)
parameters = SPARQLWrapper_Test._get_parameters_from_request(request)
return parameters
@staticmethod
def _get_request_parameters_as_bytes(wrapper):
request = SPARQLWrapper_Test._get_request(wrapper)
parameters = SPARQLWrapper_Test._get_parameters_from_request(request)
result = {}
for k, vs in parameters.items():
result[k] = [v.encode("utf-8") for v in vs]
return result
@classmethod
def setUpClass(cls):
urllib.request._opener = None # clear value. Due to the order of test execution, the value of urllib.request._opener contains, for instance, keepalive.keepalive.HTTPHandler
def setUp(self):
self.wrapper = SPARQLWrapper(endpoint="http://example.org/sparql")
_victim.urlopener = urlopener
def testConstructor(self):
try:
SPARQLWrapper()
self.fail("SPARQLWrapper constructor should fail without arguments")
except TypeError:
pass
wrapper = SPARQLWrapper(endpoint="http://example.org/sparql/")
self.assertEqual(XML, wrapper.returnFormat, "default return format is XML")
self.assertTrue(
wrapper.agent.startswith("sparqlwrapper"),
'default user-agent should start with "sparqlwrapper"',
)
wrapper = SPARQLWrapper(
endpoint="http://example.org/sparql/", returnFormat="wrongformat"
)
self.assertEqual(XML, wrapper.returnFormat, "default return format is XML")
wrapper = SPARQLWrapper(
endpoint="http://example.org/sparql/",
defaultGraph="http://example.org/default",
)
parameters = self._get_request_parameters(wrapper)
self.assertEqual(
["http://example.org/default"],
parameters.get("default-graph-uri"),
"default graph is set",
)
def testReset(self):
self.wrapper.setMethod(POST)
self.wrapper.setQuery("CONSTRUCT WHERE {?a ?b ?c}")
self.wrapper.setReturnFormat(N3)
self.wrapper.addParameter("a", "b")
self.wrapper.setOnlyConneg(True)
request = self._get_request(self.wrapper)
parameters = self._get_parameters_from_request(request)
onlyConneg = self.wrapper.onlyConneg
self.assertEqual("POST", request.get_method())
self.assertTrue(parameters["query"][0].startswith("CONSTRUCT"))
self.assertTrue("rdf+n3" in request.get_header("Accept"))
self.assertTrue("a" in parameters)
self.assertTrue(onlyConneg)
self.wrapper.resetQuery()
request = self._get_request(self.wrapper)
parameters = self._get_parameters_from_request(request)
onlyConneg = self.wrapper.onlyConneg
self.assertEqual("GET", request.get_method())
self.assertTrue(parameters["query"][0].startswith("SELECT"))
self.assertFalse("rdf+n3" in request.get_header("Accept"))
self.assertTrue("sparql-results+xml" in request.get_header("Accept"))
self.assertFalse("a" in parameters)
self.assertFalse("a" in parameters)
self.assertTrue(onlyConneg)
def testSetReturnFormat(self):
with warnings.catch_warnings(record=True) as w:
self.wrapper.setReturnFormat("nonexistent format")
# Ignore format 'nonexistent format'; current instance supports: ...
self.assertEqual(1, len(w), "Warning due to non expected format")
self.assertEqual(XML, self.wrapper.query().requestedFormat)
self.wrapper.setReturnFormat(JSON)
self.assertEqual(JSON, self.wrapper.query().requestedFormat)
self.wrapper.setReturnFormat(JSONLD)
self.assertEqual(JSONLD, self.wrapper.query().requestedFormat)
def testsSupportsReturnFormat(self):
self.assertTrue(self.wrapper.supportsReturnFormat(XML))
self.assertTrue(self.wrapper.supportsReturnFormat(JSON))
self.assertTrue(self.wrapper.supportsReturnFormat(TURTLE))
self.assertTrue(self.wrapper.supportsReturnFormat(N3))
self.assertTrue(self.wrapper.supportsReturnFormat(RDF))
self.assertTrue(self.wrapper.supportsReturnFormat(RDFXML))
self.assertTrue(self.wrapper.supportsReturnFormat(CSV))
self.assertTrue(self.wrapper.supportsReturnFormat(TSV))
self.assertFalse(self.wrapper.supportsReturnFormat("nonexistent format"))
self.assertTrue(self.wrapper.supportsReturnFormat(JSONLD))
def testAddParameter(self):
self.assertFalse(self.wrapper.addParameter("query", "dummy"))
self.assertTrue(self.wrapper.addParameter("param1", "value1"))
self.assertTrue(self.wrapper.addParameter("param1", "value2"))
self.assertTrue(self.wrapper.addParameter("param2", "value2"))
pieces = self._get_request_parameters(self.wrapper)
self.assertTrue("param1" in pieces)
self.assertEqual(["value1", "value2"], pieces["param1"])
self.assertTrue("param2" in pieces)
self.assertEqual(["value2"], pieces["param2"])
self.assertNotEqual(["dummy"], "query")
def testSetCredentials(self):
request = self._get_request(self.wrapper)
self.assertFalse(request.has_header("Authorization"))
self.wrapper.setCredentials("login", "password")
request = self._get_request(self.wrapper)
self.assertTrue(request.has_header("Authorization"))
# expected header for login:password
# should succeed for python 3 since pull request #72
self.assertEqual(
"Basic bG9naW46cGFzc3dvcmQ=", request.get_header("Authorization")
)
def testAddCustomHttpHeader(self):
request = self._get_request(self.wrapper)
self.assertFalse(request.has_header("Foo"))
# Add new header field name
self.wrapper.addCustomHttpHeader("Foo", "bar")
request = self._get_request(self.wrapper)
self.assertTrue(request.has_header("Foo"))
self.assertEqual("bar", request.get_header("Foo"))
# Override a new field name
self.wrapper.addCustomHttpHeader("Foo", "bar")
request = self._get_request(self.wrapper)
self.assertTrue(request.has_header("Foo"))
self.assertEqual("bar", request.get_header("Foo"))
self.wrapper.addCustomHttpHeader("Foo", "bar_2")
request = self._get_request(self.wrapper)
self.assertTrue(request.has_header("Foo"))
self.assertEqual("bar_2", request.get_header("Foo"))
# Override header field name
self.wrapper.addCustomHttpHeader("User-agent", "Another UA")
request = self._get_request(self.wrapper)
self.assertEqual("Another UA", request.get_header("User-agent"))
def testClearCustomHttpHeader(self):
request = self._get_request(self.wrapper)
self.assertFalse(request.has_header("Foo"))
# Add new header field name
self.wrapper.addCustomHttpHeader("Foo_1", "bar_1")
self.wrapper.addCustomHttpHeader("Foo_2", "bar_2")
self.wrapper.addCustomHttpHeader("Foo_3", "bar_3")
self.assertFalse(self.wrapper.clearCustomHttpHeader("Foo_4"))
self.assertTrue(self.wrapper.clearCustomHttpHeader("Foo_3"))
customHttpHeaders = self.wrapper.customHttpHeaders
self.assertTrue("Foo_1" in customHttpHeaders)
self.assertTrue("Foo_2" in customHttpHeaders)
self.assertEqual("bar_1", customHttpHeaders["Foo_1"])
self.assertEqual("bar_2", customHttpHeaders["Foo_2"])
self.assertFalse(self.wrapper.clearCustomHttpHeader("Foo_3"), "already cleaned")
def testSetHTTPAuth(self):
self.assertRaises(TypeError, self.wrapper.setHTTPAuth, 123)
self.wrapper.setCredentials("login", "password")
request = self._get_request(self.wrapper)
self.assertTrue(request.has_header("Authorization"))
self.assertIsNone(urllib.request._opener)
self.wrapper.setHTTPAuth(DIGEST)
self.assertIsNone(urllib.request._opener)
request = self._get_request(self.wrapper)
self.assertFalse(request.has_header("Authorization"))
self.assertEqual(self.wrapper.http_auth, DIGEST)
self.assertIsInstance(urllib.request._opener, urllib.request.OpenerDirector)
self.wrapper.setHTTPAuth(DIGEST)
self.wrapper.setCredentials("login", "password")
request = self._get_request(self.wrapper)
self.assertEqual(self.wrapper.http_auth, DIGEST)
self.assertEqual(self.wrapper.user, "login")
self.assertEqual(self.wrapper.passwd, "password")
self.assertEqual(self.wrapper.realm, "SPARQL")
self.assertNotEqual(self.wrapper.realm, "SPARQL Endpoint")
self.wrapper.setHTTPAuth(DIGEST)
self.wrapper.setCredentials("login", "password", realm="SPARQL Endpoint")
request = self._get_request(self.wrapper)
self.assertEqual(self.wrapper.http_auth, DIGEST)
self.assertEqual(self.wrapper.user, "login")
self.assertEqual(self.wrapper.passwd, "password")
self.assertEqual(self.wrapper.realm, "SPARQL Endpoint")
self.assertNotEqual(self.wrapper.realm, "SPARQL")
self.assertRaises(ValueError, self.wrapper.setHTTPAuth, "OAuth")
self.wrapper.http_auth = "OAuth"
self.assertRaises(NotImplementedError, self._get_request, self.wrapper)
def testSetQuery(self):
self.wrapper.setQuery(
"PREFIX example: <http://example.org/INSERT/> SELECT * WHERE {?s ?p ?v}"
)
self.assertEqual(SELECT, self.wrapper.queryType)
self.wrapper.setQuery("PREFIX e: <http://example.org/> INSERT {e:a e:b e:c}")
self.assertEqual(INSERT, self.wrapper.queryType)
self.wrapper.setQuery(
"""#CONSTRUCT {?s ?p ?o}
SELECT ?s ?p ?o
WHERE {?s ?p ?o}"""
)
self.assertEqual(SELECT, self.wrapper.queryType)
with warnings.catch_warnings(record=True) as w:
self.wrapper.setQuery("UNKNOWN {e:a e:b e:c}")
self.assertEqual(
SELECT, self.wrapper.queryType, "unknown queries result in SELECT"
)
def testSetQueryEncodingIssues(self):
# further details from issue #35
query = 'INSERT DATA { <urn:michel> <urn:says> "これはテストです" }'
query_bytes = query.encode("utf-8")
self.wrapper.setMethod(POST)
self.wrapper.setRequestMethod(POSTDIRECTLY)
self.wrapper.setQuery(query)
request = self._get_request(self.wrapper)
self.assertEqual(query_bytes, request.data)
self.wrapper.setQuery(query_bytes)
request = self._get_request(self.wrapper)
self.assertEqual(query_bytes, request.data)
self.wrapper.setRequestMethod(URLENCODED)
self.wrapper.setQuery(query)
parameters = self._get_request_parameters_as_bytes(self.wrapper)
self.assertEqual(query_bytes, parameters["update"][0])
self.wrapper.setQuery(query_bytes)
parameters = self._get_request_parameters_as_bytes(self.wrapper)
self.assertEqual(query_bytes, parameters["update"][0])
try:
self.wrapper.setQuery(query.encode("sjis"))
self.fail()
except UnicodeDecodeError:
self.assertTrue(True)
try:
self.wrapper.setQuery({"foo": "bar"})
self.fail()
except TypeError:
self.assertTrue(True)
def testSetTimeout(self):
self.wrapper.setTimeout(10)
self.assertEqual(10, self.wrapper.timeout)
self.wrapper.resetQuery()
self.assertEqual(None, self.wrapper.timeout)
def testClearParameter(self):
self.wrapper.addParameter("param1", "value1")
self.wrapper.addParameter("param1", "value2")
self.wrapper.addParameter("param2", "value2")
self.assertFalse(self.wrapper.clearParameter("query"))
self.assertTrue(self.wrapper.clearParameter("param1"))
pieces = self._get_request_parameters(self.wrapper)
self.assertFalse("param1" in pieces)
self.assertTrue("param2" in pieces)
self.assertEqual(["value2"], pieces["param2"])
self.assertFalse(self.wrapper.clearParameter("param1"), "already cleaned")
def testSetMethod(self):
self.wrapper.setMethod(POST)
request = self._get_request(self.wrapper)
self.assertEqual("POST", request.get_method())
self.wrapper.setMethod(GET)
request = self._get_request(self.wrapper)
self.assertEqual("GET", request.get_method())
def testSetRequestMethod(self):
self.assertEqual(URLENCODED, self.wrapper.requestMethod)
self.wrapper.setRequestMethod(POSTDIRECTLY)
self.assertEqual(POSTDIRECTLY, self.wrapper.requestMethod)
def testIsSparqlUpdateRequest(self):
self.wrapper.setQuery("DELETE WHERE {?s ?p ?o}")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("DELETE DATA { <urn:john> <urn:likes> <urn:surfing> }")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery(
"""
PREFIX example: <http://example.org/SELECT/>
BASE <http://example.org/SELECT>
DELETE WHERE {?s ?p ?o}
"""
)
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery(
"WITH <urn:graph> DELETE DATA { <urn:john> <urn:likes> <urn:surfing> }"
)
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("INSERT DATA { <urn:john> <urn:likes> <urn:surfing> }")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery(
"WITH <urn:graph> INSERT DATA { <urn:john> <urn:likes> <urn:surfing> }"
)
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("CREATE GRAPH <urn:graph>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("CLEAR GRAPH <urn:graph>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("DROP GRAPH <urn:graph>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("MOVE GRAPH <urn:graph1> TO GRAPH <urn:graph2>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("LOAD <http://localhost/file.rdf> INTO GRAPH <urn:graph>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("COPY <urn:graph1> TO GRAPH <urn:graph2>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
self.wrapper.setQuery("ADD <urn:graph1> TO GRAPH <urn:graph2>")
self.assertTrue(self.wrapper.isSparqlUpdateRequest())
def testIsSparqlQueryRequest(self):
self.wrapper.setQuery("SELECT * WHERE {?s ?p ?o}")
self.assertTrue(self.wrapper.isSparqlQueryRequest())
self.wrapper.setQuery(
"""
PREFIX example: <http://example.org/DELETE/>
BASE <http://example.org/MODIFY>
ASK WHERE {?s ?p ?o}
"""
)
self.assertTrue(self.wrapper.isSparqlQueryRequest())
self.assertFalse(self.wrapper.isSparqlUpdateRequest())
def testQuery(self):
qr = self.wrapper.query()
self.assertTrue(isinstance(qr, QueryResult))
request = qr.response.request # possible due to mock above
self.assertTrue(isinstance(request, Request))
parameters = self._get_parameters_from_request(request)
self.assertTrue("query" in parameters)
self.assertTrue("update" not in parameters)
self.wrapper.setMethod(POST)
self.wrapper.setQuery("PREFIX e: <http://example.org/> INSERT {e:a e:b e:c}")
parameters = self._get_request_parameters(self.wrapper)
self.assertTrue("update" in parameters)
self.assertTrue("query" not in parameters)
# _returnFormatSetting = ["format", "output", "results"]
self.assertTrue("format" not in parameters)
self.assertTrue("output" not in parameters)
self.assertTrue("results" not in parameters)
_victim.urlopener = urlopener_error_generator(400)
try:
self.wrapper.query()
self.fail("should have raised exception")
except QueryBadFormed as e:
# TODO: check exception-format
pass
except:
self.fail("got wrong exception")
_victim.urlopener = urlopener_error_generator(401)
try:
self.wrapper.query()
self.fail("should have raised exception")
except Unauthorized as e:
# TODO: check exception-format
pass
except:
self.fail("got wrong exception")
_victim.urlopener = urlopener_error_generator(404)
try:
self.wrapper.query()
self.fail("should have raised exception")
except EndPointNotFound as e:
# TODO: check exception-format
pass
except:
self.fail("got wrong exception")
_victim.urlopener = urlopener_error_generator(414)
try:
self.wrapper.query()
self.fail("should have raised exception")
except URITooLong as e:
# TODO: check exception-format
pass
except:
self.fail("got wrong exception")
_victim.urlopener = urlopener_error_generator(500)
try:
self.wrapper.query()
self.fail("should have raised exception")
except EndPointInternalError as e:
# TODO: check exception-format
pass
except:
self.fail("got wrong exception")
_victim.urlopener = urlopener_error_generator(999)
try:
self.wrapper.query()
self.fail("should have raised exception")
except HTTPError as e:
# TODO: check exception-format
pass
except:
self.fail("got wrong exception")
def testQueryEncoding(self):
query = 'INSERT DATA { <urn:michel> <urn:says> "é" }'
wrapper = SPARQLWrapper("http://example.com:3030/example")
wrapper.setMethod(POST)
wrapper.setRequestMethod(URLENCODED)
wrapper.setQuery(query)
_victim.urlopener = urlopener_check_data_encoding
wrapper.query()
def testQueryAndConvert(self):
_oldQueryResult = _victim.QueryResult
class FakeQueryResult(object):
def __init__(self, result):
pass
def convert(self):
return True
try:
_victim.QueryResult = FakeQueryResult
result = self.wrapper.queryAndConvert()
self.assertEqual(True, result)
finally:
_victim.QueryResult = _oldQueryResult
def testComments(self):
# see issue #32
self.wrapper.setQuery(
"""
# this is a comment
select * where { ?s ?p ?o }
"""
)
self.assertTrue(self.wrapper.isSparqlQueryRequest())
def testHashInPrefixes(self):
# see issue #77
self.wrapper.setQuery(
"""
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
select * where { ?s ?p ?o }
"""
)
self.assertTrue(self.wrapper.isSparqlQueryRequest())
def testHashInPrefixComplex(self):
# see issue #77
self.wrapper.setQuery(
"""
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX weather: <http://hal.zamia.org/weather/>
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX dbr: <http://dbpedia.org/resource/>
PREFIX dbp: <http://dbpedia.org/property/>
PREFIX xml: <http://www.w3.org/XML/1998/namespace>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT DISTINCT ?location ?cityid ?timezone ?label
WHERE {
?location weather:cityid ?cityid .
?location weather:timezone ?timezone .
?location rdfs:label ?label .
}
"""
)
self.assertTrue(self.wrapper.isSparqlQueryRequest())
def testHashWithNoComments(self):
# see issue #77
query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT *
WHERE {
?s ?p ?o .
}
"""
parsed_query = self.wrapper._cleanComments(query)
self.assertEqual(query, parsed_query)
def testCommentBeginningLine(self):
# see issue #77
query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
# a comment
SELECT *
WHERE {
?s ?p ?o .
}
"""
expected_parsed_query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT *
WHERE {
?s ?p ?o .
}
"""
parsed_query = self.wrapper._cleanComments(query)
self.assertEqual(expected_parsed_query, parsed_query)
def testCommentEmtpyLine(self):
# see issue #77
query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
# a comment
SELECT *
WHERE {
?s ?p ?o .
}
"""
expected_parsed_query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT *
WHERE {
?s ?p ?o .
}
"""
parsed_query = self.wrapper._cleanComments(query)
self.assertEqual(expected_parsed_query, parsed_query)
def testCommentsFirstLine(self):
# see issue #77
query = """#CONSTRUCT {?s ?p ?o}
SELECT ?s ?p ?o
WHERE {?s ?p ?o}"""
expected_parsed_query = """
SELECT ?s ?p ?o
WHERE {?s ?p ?o}"""
parsed_query = self.wrapper._cleanComments(query)
self.assertEqual(expected_parsed_query, parsed_query)
@unittest.skip("issue #80")
def testCommentAfterStatements(self):
# see issue #77
query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT *
WHERE { # this is the where condition
?s ?p ?o .
}
"""
expected_parsed_query = """
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT *
WHERE {
?s ?p ?o .
}
"""
parsed_query = self.wrapper._cleanComments(query)
self.assertEqual(expected_parsed_query, parsed_query)
def testSingleLineQueryLine(self):
# see issue #74
query = "prefix whatever: <http://example.org/blah#> ASK { ?s ?p ?o }"
parsed_query = self.wrapper._cleanComments(query)
self.assertEqual(query, parsed_query)
self.wrapper.setQuery(query)
self.assertTrue(self.wrapper.isSparqlQueryRequest())
def testOnlyConneg(self):
# see issue #82
query = "prefix whatever: <http://example.org/blah#> ASK { ?s ?p ?o }"
self.wrapper.setOnlyConneg(False)
self.wrapper.setQuery(query)
request = self._get_request(self.wrapper)
request_params = dict(parse_qsl(urlparse(request.get_full_url()).query))
for returnFormatSetting in [
"format",
"output",
"results",
]: # Obviously _returnFormatSetting is not accessible from SPARQLWrapper, so we copy&paste the possible values
self.assertTrue(
returnFormatSetting in request_params,
"URL parameter '%s' was not sent, and it was expected"
% returnFormatSetting,
)
# ONLY Content Negotiation
self.wrapper.resetQuery()
self.wrapper.setOnlyConneg(True)
self.wrapper.setQuery(query)
request = self._get_request(self.wrapper)
request_params = dict(parse_qsl(urlparse(request.get_full_url()).query))
for returnFormatSetting in [
"format",
"output",
"results",
]: # Obviously _returnFormatSetting is not accessible from SPARQLWrapper, so we copy&paste the possible values
self.assertFalse(
returnFormatSetting in request_params,
"URL parameter '%s' was sent, and it was not expected (only Content Negotiation)"
% returnFormatSetting,
)
class QueryResult_Test(unittest.TestCase):
def testConstructor(self):
qr = QueryResult("result")
self.assertEqual("result", qr.response)
try:
format = qr.requestedFormat
self.fail("format is not supposed to be set")
except:
pass
qr = QueryResult(("result", "format"))
self.assertEqual("result", qr.response)
self.assertEqual("format", qr.requestedFormat)
def testProxyingToResponse(self):
class FakeResponse(object):
def __init__(self):
self.geturl_called = False
self.info_called = False
self.iter_called = False
self.next_called = False
def geturl(self):
self.geturl_called = True
def info(self):
self.info_called = True
return {"key": "value"}
def __iter__(self):
self.iter_called = True
def __next__(self):
self.next_called = True
result = FakeResponse()
qr = QueryResult(result)
qr.geturl()
qr.__iter__()
next(qr)
self.assertTrue(result.geturl_called)
self.assertTrue(result.iter_called)
self.assertTrue(result.next_called)
info = qr.info()
self.assertTrue(result.info_called)
self.assertEqual(
"value", info.__getitem__("KEY"), "keys should be case-insensitive"
)
def testConvert(self):
class FakeResponse(object):
def __init__(self, content_type):
self.content_type = content_type
def info(self):
return {"content-type": self.content_type}
def read(self, len):
return ""
def _mime_vs_type(mime, requested_type):
"""
:param mime: mimetype/Content-Type of the response
:param requested_type: requested mimetype (alias)
:return: number of warnings produced by combo
"""
with warnings.catch_warnings(record=True) as w:
qr = QueryResult((FakeResponse(mime), requested_type))
try:
qr.convert()
except:
pass
# if len(w) > 0: print(w[0].message) # FOR DEBUG
# if len(w) > 1: print(w[1].message) # FOR DEBUG
return len(w)
# In the cases of "application/ld+json" and "application/rdf+xml", the
# RDFLib raised a warning because the manually created QueryResult has no real
# response value (implemented a fake read).
# "WARNING:rdflib.term: does not look like a valid URI, trying to serialize this will break."
self.assertEqual(0, _mime_vs_type("application/sparql-results+xml", XML))
self.assertEqual(0, _mime_vs_type("application/sparql-results+json", JSON))
self.assertEqual(0, _mime_vs_type("text/n3", N3))
self.assertEqual(0, _mime_vs_type("text/turtle", TURTLE))
self.assertEqual(0, _mime_vs_type("application/turtle", TURTLE))
self.assertEqual(0, _mime_vs_type("application/json", JSON))
self.assertEqual(0, _mime_vs_type("application/ld+json", JSONLD))
self.assertEqual(0, _mime_vs_type("application/rdf+xml", XML))
self.assertEqual(0, _mime_vs_type("application/rdf+xml", RDF))
self.assertEqual(0, _mime_vs_type("application/rdf+xml", RDFXML))
self.assertEqual(0, _mime_vs_type("text/csv", CSV))
self.assertEqual(0, _mime_vs_type("text/tab-separated-values", TSV))
self.assertEqual(0, _mime_vs_type("application/xml", XML))
# unknown response content type 'application/x-foo-bar' returning raw response...
self.assertEqual(1, _mime_vs_type("application/x-foo-bar", XML), "invalid mime")
# Format requested was xxx, but yyy (zzz) has been returned by the endpoint
self.assertEqual(1, _mime_vs_type("application/sparql-results+xml", N3))
self.assertEqual(1, _mime_vs_type("application/sparql-results+json", XML))
self.assertEqual(1, _mime_vs_type("text/n3", JSON))
self.assertEqual(1, _mime_vs_type("text/turtle", XML))
# Format requested was xxx, but yyy (zzz) has been returned by the endpoint
self.assertEqual(1, _mime_vs_type("application/ld+json", XML)) # Warning
self.assertEqual(1, _mime_vs_type("application/ld+json", N3)) # Warning
self.assertEqual(1, _mime_vs_type("application/rdf+xml", JSON)) # Warning
self.assertEqual(1, _mime_vs_type("application/rdf+xml", N3)) # Warning
def testPrint_results(self):
"""
print_results() is only allowed for JSON return format.
"""
class FakeResponse(object):
def __init__(self, content_type):
self.content_type = content_type
def info(self):
return {"content-type": self.content_type}
def read(self, len):
return ""
def _print_results(mime):
"""
:param mime: mimetype/Content-Type of the response
:return: number of warnings produced by combo
"""
with warnings.catch_warnings(record=True) as w:
qr = QueryResult(FakeResponse(mime))
try:
qr.print_results()
except:
pass
# if len(w) > 1: print(w[1].message) # FOR DEBUG
return len(w)
self.assertEqual(0, _print_results("application/sparql-results+json"))
self.assertEqual(0, _print_results("application/json"))
self.assertEqual(0, _print_results("text/javascript"))
self.assertEqual(0, _print_results("application/javascript"))
# Format return was xxx, but yyy was expected. No printing.
self.assertEqual(1, _print_results("application/sparql-results+xml"))
self.assertEqual(1, _print_results("application/xml"))
self.assertEqual(1, _print_results("application/rdf+xml"))
self.assertEqual(1, _print_results("application/turtle"))
self.assertEqual(1, _print_results("text/turtle"))
self.assertEqual(1, _print_results("text/rdf+n3"))
self.assertEqual(1, _print_results("application/n-triples"))
self.assertEqual(1, _print_results("application/n3"))
self.assertEqual(1, _print_results("text/n3"))
self.assertEqual(1, _print_results("text/csv"))
self.assertEqual(1, _print_results("text/tab-separated-values"))
self.assertEqual(1, _print_results("application/ld+json"))
self.assertEqual(1, _print_results("application/x-json+ld"))
# Unknown response content type. Returning raw content-type ('application/x-foo-bar').
# Format return was application/x-foo-bar, but JSON was expected. No printing.
self.assertEqual(2, _print_results("application/x-foo-bar"))
class QueryType_Time_Test(unittest.TestCase):
def testQueries(self):
sparql = SPARQLWrapper("http://example.org/sparql")
queries = []
queries.append(
"""
PREFIX a: <http://dbpedia.org/a>
PREFIX b: <http://dbpedia.org/b>
PREFIX c: <http://dbpedia.org/c>
PREFIX d: <http://dbpedia.org/d>
PREFIX e: <http://dbpedia.org/e>
PREFIX f: <http://dbpedia.org/f>
PREFIX g: <http://dbpedia.org/g>
PREFIX h: <http://dbpedia.org/h>
FROM <http://dbpedia.org>
SELECT ?s ?p ?o WHERE {
?s ?p ?o.
}"""
)
queries.append(
"""PREFIX a: <http://dbpedia.org/a>
PREFIX b: <http://dbpedia.org/b>
PREFIX c: <http://dbpedia.org/c>
PREFIX d: <http://dbpedia.org/d>
PREFIX e: <http://dbpedia.org/e>
PREFIX f: <http://dbpedia.org/f>
PREFIX g: <http://dbpedia.org/g>
PREFIX h: <http://dbpedia.org/h>
FROM <http://dbpedia.org>
SELECT ?s ?p ?o WHERE {
?s ?p ?o.
}"""
)
queries.append(
"""PREFIX a: <http://dbpedia.org/a>