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# -*- coding: utf-8 -*-
#
# Copyright (C) 2010, Nokia <ivan.frade@nokia.com>
# Copyright (C) 2019, Sam Thursfield <sam@afuera.me.uk>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
"""
Checking the collation is working
"""
import time
import random
import locale
import unittest as ut
import fixtures
class TrackerStoreCollationTests (fixtures.TrackerSparqlDirectTest):
"""
Insert few instances with a text field containing collation-problematic words.
Ask for those instances order by the field and check the results.
"""
def setUp(self):
"""
Each test append to this list the used URIS, so they can be removed
in the tearDown
"""
self.clean_up_instances = []
def tearDown(self):
for uri in self.clean_up_instances:
self.tracker.update("DELETE { <%s> a rdfs:Resource. }" % (uri))
self.clean_up_instances = []
def __insert_text(self, text):
uri = "test://collation-01-%d" % (random.randint(1, 1000))
# There is a remote chance to get a duplicate int
while (uri in self.clean_up_instances):
uri = "test://collation-01-%d" % (random.randint(1, 1000))
self.clean_up_instances.append(uri)
self.tracker.update ("""
INSERT {
<%s> a nie:InformationElement ;
nie:title "%s" ;
nie:description "tracker-collation-test-instance" .
}
""" % (uri, text))
def get_text_sorted_by_collation(self):
return self.tracker.query ("""
SELECT ?title WHERE {
?u a nie:InformationElement ;
nie:title ?title ;
nie:description 'tracker-collation-test-instance' .
} ORDER BY ?title
""")
def __collation_test(self, input_list, expected_list):
for i in input_list:
self.__insert_text(i)
results = [r[0] for r in self.get_text_sorted_by_collation()]
self.assertEqual(len(results), len(expected_list))
for r in range(0, len(results)):
self.assertEqual(results[r], expected_list[r],
"""Error:
Expected : *** %s
Result : *** %s
Using locale (%s, %s)
""" % (expected_list,
results,
locale.getdefaultlocale()[0],
locale.getdefaultlocale()[1]))
def test_collation_01(self):
"""
Behaves as case-insensitive
"""
input_dt = ["abb", "bb", "Abc", "Ba"]
expected = ["abb", "Abc", "Ba", "bb"]
self.__collation_test(input_dt, expected)
def test_collation_02(self):
"""
In conflict, Capital letters go *after* small letters
"""
input_dt = ["Bb", "bb", "aa", "Aa"]
expected = ["aa", "Aa", "bb", "Bb"]
self.__collation_test(input_dt, expected)
def test_collation_03(self):
"""
Example from the unicode spec
http://www.unicode.org/reports/tr10/#Main_Algorithm
"""
input_dt = ["Cab", "cab", "dab", "cáb"]
expected = ["cab", "Cab", "cáb", "dab"]
self.__collation_test(input_dt, expected)
def test_collation_04(self):
"""
Spanish test in english locale
"""
input_dt = ["ä", "ö", "a", "e", "i", "o", "u"]
expected = ["a", "ä", "e", "i", "o", "ö", "u"]
self.__collation_test(input_dt, expected)
if __name__ == "__main__":
print("""
# TODO:
# * Check what happens in non-english encoding
# * Dynamic change of collation
""")
fixtures.tracker_test_main()
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