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#!/usr/bin/env python
#
# Copyright (c), 2018-2020, 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.exceptions import ElementPathError, xpath_error
from elementpath.namespaces import XSD_NAMESPACE
from elementpath.datatypes import QName
from elementpath.xpath1 import XPath1Parser
class ExceptionsTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.parser = XPath1Parser(namespaces={'xs': XSD_NAMESPACE, 'tst': "http://xpath.test/ns"})
def test_string_conversion(self):
err = ElementPathError("unknown error")
self.assertEqual(str(err), 'unknown error')
err = ElementPathError("unknown error", code='XPST0001')
self.assertEqual(str(err), '[XPST0001] unknown error')
token = self.parser.symbol_table['true'](self.parser)
err = ElementPathError("unknown error", token=token)
self.assertEqual(str(err), "'fn:true' function at line 1, column 1: unknown error")
err = ElementPathError("unknown error", code='XPST0001', token=token)
self.assertEqual(
str(err), "'fn:true' function at line 1, column 1: [XPST0001] unknown error"
)
def test_xpath_error(self):
self.assertEqual(str(xpath_error('XPST0001')),
'[err:XPST0001] Parser not bound to a schema')
self.assertEqual(str(xpath_error('err:XPDY0002', "test message")),
'[err:XPDY0002] test message')
self.assertRaises(ValueError, xpath_error, '')
self.assertRaises(ValueError, xpath_error, 'error:XPDY0002')
self.assertEqual(str(xpath_error('{http://www.w3.org/2005/xqt-errors}XPST0001')),
'[err:XPST0001] Parser not bound to a schema')
code = QName('http://www.w3.org/2005/xqt-errors', 'err:XPST0001')
self.assertEqual(str(xpath_error(code)), '[err:XPST0001] Parser not bound to a schema')
code = QName('', 'XPST0001')
self.assertEqual(str(xpath_error(code)), '[Q{}XPST0001] Parser not bound to a schema')
code = QName('http://xpath.test/errors', 'ce:XPCE0001')
self.assertEqual(str(xpath_error(code)), '[ce:XPCE0001] custom XPath error')
with self.assertRaises(ValueError) as err:
xpath_error('{http://www.w3.org/2005/xpath-functions}XPST0001')
self.assertEqual(str(err.exception), "[err:XPTY0004] invalid namespace "
"'http://www.w3.org/2005/xpath-functions'")
with self.assertRaises(ValueError) as err:
xpath_error('{http://www.w3.org/2005/xpath-functions}}XPST0001')
self.assertEqual(str(err.exception), "[err:XPTY0004] '{http://www.w3.org/2005/xpath-"
"functions}}XPST0001' is not an xs:QName",)
code = '{http://www.w3.org/2005/xqt-errors}XPST0001'
namespaces = {'fn': 'http://www.w3.org/2005/xpath-functions',
'e': 'http://www.w3.org/2005/xqt-errors'}
self.assertEqual(str(xpath_error(code, namespaces=namespaces)),
'[e:XPST0001] Parser not bound to a schema')
namespaces = {'fn': 'http://www.w3.org/2005/xpath-functions',
'': 'http://www.w3.org/2005/xqt-errors'}
self.assertEqual(str(xpath_error(code, namespaces=namespaces)),
'[XPST0001] Parser not bound to a schema')
if __name__ == '__main__':
unittest.main()
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