mirror of https://github.com/python/cpython
139 lines
4.2 KiB
Python
139 lines
4.2 KiB
Python
# Tests for xml.dom.minicompat
|
|
|
|
import copy
|
|
import pickle
|
|
import unittest
|
|
|
|
import xml.dom
|
|
from xml.dom.minicompat import *
|
|
|
|
|
|
class EmptyNodeListTestCase(unittest.TestCase):
|
|
"""Tests for the EmptyNodeList class."""
|
|
|
|
def test_emptynodelist_item(self):
|
|
# Test item access on an EmptyNodeList.
|
|
node_list = EmptyNodeList()
|
|
|
|
self.assertIsNone(node_list.item(0))
|
|
self.assertIsNone(node_list.item(-1)) # invalid item
|
|
|
|
with self.assertRaises(IndexError):
|
|
node_list[0]
|
|
with self.assertRaises(IndexError):
|
|
node_list[-1]
|
|
|
|
def test_emptynodelist_length(self):
|
|
node_list = EmptyNodeList()
|
|
# Reading
|
|
self.assertEqual(node_list.length, 0)
|
|
# Writing
|
|
with self.assertRaises(xml.dom.NoModificationAllowedErr):
|
|
node_list.length = 111
|
|
|
|
def test_emptynodelist___add__(self):
|
|
node_list = EmptyNodeList() + NodeList()
|
|
self.assertEqual(node_list, NodeList())
|
|
|
|
def test_emptynodelist___radd__(self):
|
|
node_list = [1,2] + EmptyNodeList()
|
|
self.assertEqual(node_list, [1,2])
|
|
|
|
|
|
class NodeListTestCase(unittest.TestCase):
|
|
"""Tests for the NodeList class."""
|
|
|
|
def test_nodelist_item(self):
|
|
# Test items access on a NodeList.
|
|
# First, use an empty NodeList.
|
|
node_list = NodeList()
|
|
|
|
self.assertIsNone(node_list.item(0))
|
|
self.assertIsNone(node_list.item(-1))
|
|
|
|
with self.assertRaises(IndexError):
|
|
node_list[0]
|
|
with self.assertRaises(IndexError):
|
|
node_list[-1]
|
|
|
|
# Now, use a NodeList with items.
|
|
node_list.append(111)
|
|
node_list.append(999)
|
|
|
|
self.assertEqual(node_list.item(0), 111)
|
|
self.assertIsNone(node_list.item(-1)) # invalid item
|
|
|
|
self.assertEqual(node_list[0], 111)
|
|
self.assertEqual(node_list[-1], 999)
|
|
|
|
def test_nodelist_length(self):
|
|
node_list = NodeList([1, 2])
|
|
# Reading
|
|
self.assertEqual(node_list.length, 2)
|
|
# Writing
|
|
with self.assertRaises(xml.dom.NoModificationAllowedErr):
|
|
node_list.length = 111
|
|
|
|
def test_nodelist___add__(self):
|
|
node_list = NodeList([3, 4]) + [1, 2]
|
|
self.assertEqual(node_list, NodeList([3, 4, 1, 2]))
|
|
|
|
def test_nodelist___radd__(self):
|
|
node_list = [1, 2] + NodeList([3, 4])
|
|
self.assertEqual(node_list, NodeList([1, 2, 3, 4]))
|
|
|
|
def test_nodelist_pickle_roundtrip(self):
|
|
# Test pickling and unpickling of a NodeList.
|
|
|
|
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
|
|
# Empty NodeList.
|
|
node_list = NodeList()
|
|
pickled = pickle.dumps(node_list, proto)
|
|
unpickled = pickle.loads(pickled)
|
|
self.assertIsNot(unpickled, node_list)
|
|
self.assertEqual(unpickled, node_list)
|
|
|
|
# Non-empty NodeList.
|
|
node_list.append(1)
|
|
node_list.append(2)
|
|
pickled = pickle.dumps(node_list, proto)
|
|
unpickled = pickle.loads(pickled)
|
|
self.assertIsNot(unpickled, node_list)
|
|
self.assertEqual(unpickled, node_list)
|
|
|
|
def test_nodelist_copy(self):
|
|
# Empty NodeList.
|
|
node_list = NodeList()
|
|
copied = copy.copy(node_list)
|
|
self.assertIsNot(copied, node_list)
|
|
self.assertEqual(copied, node_list)
|
|
|
|
# Non-empty NodeList.
|
|
node_list.append([1])
|
|
node_list.append([2])
|
|
copied = copy.copy(node_list)
|
|
self.assertIsNot(copied, node_list)
|
|
self.assertEqual(copied, node_list)
|
|
for x, y in zip(copied, node_list):
|
|
self.assertIs(x, y)
|
|
|
|
def test_nodelist_deepcopy(self):
|
|
# Empty NodeList.
|
|
node_list = NodeList()
|
|
copied = copy.deepcopy(node_list)
|
|
self.assertIsNot(copied, node_list)
|
|
self.assertEqual(copied, node_list)
|
|
|
|
# Non-empty NodeList.
|
|
node_list.append([1])
|
|
node_list.append([2])
|
|
copied = copy.deepcopy(node_list)
|
|
self.assertIsNot(copied, node_list)
|
|
self.assertEqual(copied, node_list)
|
|
for x, y in zip(copied, node_list):
|
|
self.assertIsNot(x, y)
|
|
self.assertEqual(x, y)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|