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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 xml.etree import ElementTree
from elementpath import XPath2Parser
from elementpath.xpath_nodes import EtreeElementNode
from elementpath.tree_builders import get_node_tree
from elementpath.compare import deep_equal, deep_compare, get_key_function
class CompareTest(unittest.TestCase):
def test_deep_equal_function(self):
parser = XPath2Parser()
token = parser.parse('true()')
with self.assertRaises(TypeError):
deep_equal([token], [1])
with self.assertRaises(TypeError):
deep_equal([1], [token])
self.assertTrue(deep_equal([1], [1]))
self.assertFalse(deep_equal([1], [2]))
self.assertFalse(deep_equal([1, 1], [1]))
self.assertFalse(deep_equal([1], [1, 1]))
root = ElementTree.Element('root')
elem = ElementTree.Element('elem')
element = EtreeElementNode(elem)
self.assertTrue(deep_equal([element], [element]))
self.assertFalse(deep_equal([1], [element]))
self.assertFalse(deep_equal([EtreeElementNode(root)], [element]))
root = ElementTree.XML('<root a="1">text<child b="2"/>tail<child/></root>')
element = get_node_tree(root)
document = get_node_tree(ElementTree.ElementTree(root))
self.assertTrue(deep_equal([element], [element]))
self.assertTrue(deep_equal([document], [document]))
root1 = ElementTree.XML('<root a="1">text<child b="2"/>tail</root>')
element1 = get_node_tree(root1)
document1 = get_node_tree(ElementTree.ElementTree(root1))
self.assertFalse(deep_equal([element], [element1]))
self.assertFalse(deep_equal([document], [document1]))
root1 = ElementTree.XML('<root a="1"><child b="2"/>tail<child/></root>')
element1 = get_node_tree(root1)
document1 = get_node_tree(ElementTree.ElementTree(root1))
self.assertFalse(deep_equal([element], [element1]))
self.assertFalse(deep_equal([document], [document1]))
root1 = ElementTree.XML('<root a="1">text<child b="3"/>tail<child/></root>')
element1 = get_node_tree(root1)
document1 = get_node_tree(ElementTree.ElementTree(root1))
self.assertFalse(deep_equal([element], [element1]))
self.assertFalse(deep_equal([document], [document1]))
def test_deep_compare(self):
parser = XPath2Parser()
token = parser.parse('true()')
with self.assertRaises(TypeError):
deep_compare([token], [1])
with self.assertRaises(TypeError):
deep_compare([1], [token])
self.assertEqual(deep_compare([1], [1]), 0)
self.assertEqual(deep_compare([1], [2]), -1)
self.assertEqual(deep_compare([1, 1], [1]), 1)
self.assertEqual(deep_compare([1], [1, 1]), -1)
root = ElementTree.Element('root')
elem = ElementTree.Element('elem')
element = EtreeElementNode(elem)
self.assertEqual(deep_compare([element], [element]), 0)
with self.assertRaises(TypeError):
deep_compare([1], [element])
self.assertEqual(deep_compare([EtreeElementNode(root)], [element]), 1)
root = ElementTree.XML('<root a="1">text<child b="2"/>tail<child/></root>')
element = get_node_tree(root)
document = get_node_tree(ElementTree.ElementTree(root))
self.assertEqual(deep_compare([element], [element]), 0)
self.assertEqual(deep_compare([document], [document]), 0)
root1 = ElementTree.XML('<root a="1">text<child b="2"/>tail</root>')
element1 = get_node_tree(root1)
document1 = get_node_tree(ElementTree.ElementTree(root1))
self.assertEqual(deep_compare([element], [element1]), -1)
self.assertEqual(deep_compare([document], [document1]), -1)
root1 = ElementTree.XML('<root a="1"><child b="2"/>tail<child/></root>')
element1 = get_node_tree(root1)
document1 = get_node_tree(ElementTree.ElementTree(root1))
self.assertEqual(deep_compare([element], [element1]), 1)
self.assertEqual(deep_compare([document], [document1]), 1)
root1 = ElementTree.XML('<root a="1">text<child b="3"/>tail<child/></root>')
element1 = get_node_tree(root1)
document1 = get_node_tree(ElementTree.ElementTree(root1))
self.assertEqual(deep_compare([element], [element1]), -1)
self.assertEqual(deep_compare([document], [document1]), -1)
def test_key_function(self):
key_function = get_key_function()
result = sorted([2, 1], key=key_function)
self.assertListEqual(result, [1, 2])
result = sorted([2, 1, 0], key=key_function)
self.assertListEqual(result, [0, 1, 2])
result = sorted([2, 10, 7], key=key_function)
self.assertListEqual(result, [2, 7, 10])
with self.assertRaises(TypeError) as cm:
sorted(['2', 1, 0], key=key_function)
self.assertIn('XPTY0004', str(cm.exception))
result = sorted(['2', '10', '7'], key=key_function)
self.assertListEqual(result, ['10', '2', '7'])
if __name__ == '__main__':
unittest.main()
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