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#!/usr/bin/env python
#
# Copyright (c), 2022, SISSA (International School for Advanced Studies).
# All rights reserved.
# This file is distributed under the terms of the MIT License.
# See the file 'LICENSE' in the root directory of the present
# distribution, or http://opensource.org/licenses/MIT.
#
# @author Davide Brunato <brunato@sissa.it>
#
import unittest
from elementpath import ElementPathError
from elementpath.collations import UNICODE_CODEPOINT_COLLATION, \
HTML_ASCII_CASE_INSENSITIVE_COLLATION, CollationManager
class CollationsTest(unittest.TestCase):
def test_context_manager_init(self):
manager = CollationManager(collation=UNICODE_CODEPOINT_COLLATION)
self.assertIsInstance(manager, CollationManager)
with self.assertRaises(ElementPathError) as ctx:
CollationManager(collation=None)
self.assertIn('XPTY0004', str(ctx.exception))
self.assertIn('collation cannot be an empty sequence', str(ctx.exception))
# Not raised in __init__()
manager = CollationManager(collation='unknown')
self.assertIsInstance(manager, CollationManager)
def test_context_activation(self):
with CollationManager(UNICODE_CODEPOINT_COLLATION) as manager:
self.assertFalse(manager.eq('a', 'A'))
self.assertIsInstance(manager, CollationManager)
with self.assertRaises(ElementPathError) as ctx:
with CollationManager(collation='unknown'):
pass
self.assertIn('FOCH0002', str(ctx.exception))
self.assertIn("Unsupported collation 'unknown'", str(ctx.exception))
def test_html_ascii_case_insensitive_collation(self):
with CollationManager(HTML_ASCII_CASE_INSENSITIVE_COLLATION) as manager:
self.assertTrue(manager.eq('a', 'A'))
if __name__ == '__main__':
unittest.main()
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