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import unittest
from unittest import TestCase
from plasTeX.DOM import *
class NodeTest(TestCase):
def _checkPositions(self, node):
""" Check the postions of all contained nodes """
if isinstance(node, CharacterData):
return
if not(isinstance(node, Node)):
return
maxidx = len(node) - 1
# Check firstChild and lastChild
if node.childNodes:
assert node.firstChild is node[0], 'firstChild is incorrect'
assert node.lastChild is node[maxidx], 'lastChild is incorrect'
# Check nextSibling
for i, item in enumerate(node):
if i == maxidx:
assert item.nextSibling is None, \
'nextSibling in position %s should be None' % i
else:
assert item.nextSibling is node[i+1], \
'nextSibling in position %s is incorrect (%s)' % \
(i, item.nextSibling)
# Check previousSibling
for i, item in enumerate(node):
if i == 0:
assert item.previousSibling is None, \
'previousSibling in position %s should be None' % i
else:
assert item.previousSibling is node[i-1], \
'previousSibling in position %s is incorrect (%s)' % \
(i, item.previousSibling)
# Check parentNode
for i, item in enumerate(node):
assert item.parentNode is node, \
'parentNode in position %s is incorrect' % i
# Check ownerDocument
for i, item in enumerate(node):
assert item.ownerDocument is node.ownerDocument, \
'ownerDocument in position %s (%s) is incorrect: %s' % (i, item.ownerDocument, node.ownerDocument)
# Check attributes
if node.attributes:
for key, value in node.attributes.items():
if isinstance(value, Node):
assert value.parentNode is node, \
'parentNode is incorrect (%s)' % value.parentNode
self._checkPositions(value)
elif isinstance(value, list):
for item in value:
assert getattr(item, 'parentNode', node) is node, \
'parentNode is incorrect (%s)' % item.parentNode
self._checkPositions(item)
elif isinstance(value, dict):
for item in value.values():
assert getattr(item, 'parentNode', node) is node, \
'parentNode is incorrect (%s)' % item.parentNode
self._checkPositions(item)
def testConstructor(self):
""" Passing list of nodes to constructor """
doc = Document()
one = doc.createElement('one')
two = doc.createElement('two')
three = doc.createElement('three')
node = doc.createElement('top')
node.extend([one,two,three])
expected = [one,two,three]
for i, item in enumerate(node):
assert item is expected[i], '"%s" != "%s"' % (item, expected[i])
self._checkPositions(node)
# def testAttributes(self):
# """ Set attributes on a node """
# doc = Document()
# one = doc.createElement('one')
# two = doc.createElement('two')
# three = doc.createTextNode('three')
# four = ['hi','bye',Text('text node')]
# node = Node()
# node.attributes['one'] = one
# one.attributes['two'] = two
# two.attributes['three'] = three
# two.attributes['four'] = four
# self._checkPositions(node)
def testFirstChild(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createElement('two')
assert node.firstChild is None, '"%s" != None' % node.firstChild
node.append(one)
assert node.firstChild is one, '"%s" != "%s"' % (node.firstChild, one)
node.insert(0, two)
assert node.firstChild is two, '"%s" != "%s"' % (node.firstChild, two)
self._checkPositions(node)
def testLastChild(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createElement('two')
assert node.lastChild is None, '"%s" != None' % node.lastChild
node.append(one)
assert node.lastChild is one, '"%s" != "%s"' % (node.lastChild, one)
node.append(two)
assert node.lastChild is two, '"%s" != "%s"' % (node.lastChild, two)
self._checkPositions(node)
def testChildNodes(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
node.append(three)
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is two, '"%s" != "%s"' % (node[1], two)
assert node[2] is three, '"%s" != "%s"' % (node[2], three)
assert node.childNodes[0] is one, '"%s" != "%s"' % (node.childNodes[0], one)
assert node.childNodes[1] is two, '"%s" != "%s"' % (node.childNodes[1], two)
assert node.childNodes[2] is three, '"%s" != "%s"' % (node.childNodes[2], three)
self._checkPositions(node)
def testPreviousSibling(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
node.append(three)
assert None is one.previousSibling, 'None != "%s"' % one.previousSibling
assert one is two.previousSibling, '"%s" != "%s"' % (one, two.previousSibling)
assert two is three.previousSibling, '"%s" != "%s"' % (two, three.previousSibling)
def testNextSibling(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
node.append(three)
assert two is one.nextSibling, '"%s" != "%s"' % (two, one.nextSibling)
assert three is two.nextSibling, '"%s" != "%s"' % (three, two.nextSibling)
assert None is three.nextSibling, 'None != "%s"' % three.nextSibling
def testOwnerDocument(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
node.attributes['three'] = three
a = Text('a')
b = Text('b')
node.attributes['four'] = {'a':a, 'b':1}
node.attributes['five'] = [b, 1, 'c']
assert node.ownerDocument is doc, '"%s" != "%s"' % (node.ownerDocument, doc)
assert one.ownerDocument is doc, '"%s" != "%s"' % (one.ownerDocument, doc)
assert two.ownerDocument is doc, '"%s" != "%s"' % (two.ownerDocument, doc)
assert three.ownerDocument is doc, '"%s" != "%s"' % (three.ownerDocument, doc)
assert a.ownerDocument is doc, '"%s" != "%s"' % (a.ownerDocument, doc)
assert b.ownerDocument is doc, '"%s" != "%s"' % (b.ownerDocument, doc)
self._checkPositions(node)
def testCompareDocumentPosition(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
four = doc.createElement('four')
node.append(one)
node.append(two)
node.append(three)
three.append(four)
five = doc.createElement('five')
expected = Node.DOCUMENT_POSITION_FOLLOWING
rc = one.compareDocumentPosition(four)
assert rc == expected, '"%s" != "%s"' % (rc, expected)
expected = Node.DOCUMENT_POSITION_PRECEDING
rc = four.compareDocumentPosition(one)
assert rc == expected, '"%s" != "%s"' % (rc, expected)
expected = Node.DOCUMENT_POSITION_CONTAINED_BY
rc = node.compareDocumentPosition(four)
assert rc == expected, '"%s" != "%s"' % (rc, expected)
expected = Node.DOCUMENT_POSITION_CONTAINS
rc = four.compareDocumentPosition(node)
assert rc == expected, '"%s" != "%s"' % (rc, expected)
expected = Node.DOCUMENT_POSITION_DISCONNECTED
rc = five.compareDocumentPosition(node)
assert rc == expected, '"%s" != "%s"' % (rc, expected)
def testInsertBefore(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
node.insertBefore(three, two)
assert node[1] is three, '"%s" != "%s"' % (node[1], three)
node.insertBefore(three, one)
assert node[0] is three, '"%s" != "%s"' % (node[0], three)
assert node[1] is one, '"%s" != "%s"' % (node[1], one)
assert node[2] is two, '"%s" != "%s"' % (node[2], two)
self._checkPositions(node)
def testReplaceChild(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
node.replaceChild(three, two)
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is three, '"%s" != "%s"' % (node[1], three)
assert len(node) == 2, '%s != %s' % (len(node), 2)
self._checkPositions(node)
def testRemoveChild(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.append(one)
node.append(two)
res = node.removeChild(one)
assert res is one, '"%s" != "%s"' % (res, one)
assert len(node) == 1, '%s != %s' % (len(node), 1)
assert node[0] is two, '"%s" != "%s"' % (node[0], two)
self._checkPositions(node)
res = node.removeChild(two)
assert res is two, '"%s" != "%s"' % (res, two)
assert len(node) == 0, '%s != %s' % (len(node), 0)
def testPop(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.extend([one, two, three])
res = node.pop()
assert res is three, '"%s" != "%s"' % (res, three)
assert len(node) == 2, '%s != %s' % (len(node), 2)
self._checkPositions(node)
res = node.pop(0)
assert res is one, '"%s" != "%s"' % (res, one)
assert len(node) == 1, '%s != %s' % (len(node), 1)
self._checkPositions(node)
def testAppendChild(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
node.appendChild(one)
frag = doc.createDocumentFragment()
frag.appendChild(two)
frag.appendChild(three)
node.appendChild(frag)
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is two, '"%s" != "%s"' % (node[1], two)
assert node[2] is three, '"%s" != "%s"' % (node[2], three)
self._checkPositions(node)
def testInsert(self):
""" Insert into empty node """
doc = Document()
one = doc.createElement('one')
two = doc.createElement('two')
three = doc.createElement('three')
node = doc.createElement('top')
node.insert(0, one)
node.insert(1, two)
node.insert(2, three)
expected = [one,two,three]
for i, item in enumerate(node):
assert item is expected[i], '"%s" != "%s"' % (item, expected[i])
self._checkPositions(node)
def testInsert2(self):
""" Insert into populated node """
doc = Document()
one = doc.createElement('one')
two = doc.createElement('two')
three = doc.createElement('three')
node = doc.createElement('top')
node.extend([one,two,three])
i0 = doc.createElement('i0')
i3 = doc.createTextNode('i3')
node.insert(0, i0)
node.insert(3, i3)
expected = [i0,one,two,i3,three]
for i, item in enumerate(node):
assert item is expected[i], '"%s" != "%s"' % (item, expected[i])
self._checkPositions(node)
def testInsert3(self):
""" Insert document fragment """
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
four = doc.createElement('four')
node.appendChild(one)
node.appendChild(two)
frag = doc.createDocumentFragment()
frag.appendChild(three)
frag.appendChild(four)
node.insert(1,frag)
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is three, '"%s" != "%s"' % (node[1], three)
assert node[2] is four, '"%s" != "%s"' % (node[2], four)
assert node[3] is two, '"%s" != "%s"' % (node[3], two)
self._checkPositions(node)
def testSetItem(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
four = doc.createElement('four')
five = doc.createElement('five')
node.appendChild(one)
node.appendChild(two)
node.appendChild(three)
node[1] = four
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is four, '"%s" != "%s"' % (node[1], four)
assert node[2] is three, '"%s" != "%s"' % (node[2], three)
assert len(node) == 3, '%s != %s' % (len(node), 3)
self._checkPositions(node)
node[2] = five
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is four, '"%s" != "%s"' % (node[1], four)
assert node[2] is five, '"%s" != "%s"' % (node[2], five)
assert len(node) == 3, '%s != %s' % (len(node), 3)
self._checkPositions(node)
def testExtend(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createElement('three')
four = doc.createElement('four')
five = doc.createElement('five')
node.appendChild(one)
node.extend([two, three])
assert node[0] is one, '"%s" != "%s"' % (node[0], one)
assert node[1] is two, '"%s" != "%s"' % (node[1], two)
assert node[2] is three, '"%s" != "%s"' % (node[2], three)
assert len(node) == 3, '%s != %s' % (len(node), 3)
self._checkPositions(node)
node += [four, five]
assert node[3] is four, '"%s" != "%s"' % (node[3], four)
assert node[4] is five, '"%s" != "%s"' % (node[4], five)
assert len(node) == 5, '%s != %s' % (len(node), 5)
self._checkPositions(node)
def testAdd(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
node.appendChild(one)
node.appendChild(two)
node2 = doc.createElement('node2')
three = doc.createElement('three')
four = doc.createElement('four')
node.appendChild(three)
node.appendChild(four)
res = node + node2
assert isinstance(res, Node), '%s is not a Node' % res
assert res[0] is one, '"%s" != "%s"' % (res[0], one)
assert res[1] is two, '"%s" != "%s"' % (res[1], two)
assert res[2] is three, '"%s" != "%s"' % (res[2], three)
assert res[3] is four, '"%s" != "%s"' % (res[3], four)
self._checkPositions(res)
def testHasChildNodes(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
assert not node.hasChildNodes()
node.appendChild(one)
node.appendChild(two)
assert node.hasChildNodes()
def testCloneNode(self):
doc = Document()
one = doc.createElement('one')
two = doc.createElement('two')
three = doc.createTextNode('three')
two.append(three)
one.append(two)
res = one.cloneNode(1)
assert type(res) is type(one), '"%s" != "%s"' % (type(res), type(one))
assert type(res[0]) is type(one[0])
assert one == res
assert one is not res
assert one[0] is not res[0]
def testNormalize(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createTextNode('two')
three = doc.createTextNode('three')
four = doc.createTextNode('four')
node.extend([one,two,three,four])
node.normalize()
assert len(node) == 2, '"%s" != "%s"' % (len(node), 2)
assert node[1] == 'twothreefour', '"%s" != "%s"' % (node[1], 'twothreefour')
def testIsSupported(self):
pass
def testHasAttributes(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
assert not node.hasAttributes()
node.attributes['one'] = one
assert node.hasAttributes()
def testTextContent(self):
doc = Document()
node = doc.createElement('node')
one = doc.createTextNode('one')
two = doc.createElement('two')
three = doc.createTextNode('three')
four = doc.createTextNode('four')
node.append(one)
node.append(two)
two.extend([three, four])
res = node.textContent
expected = 'onethreefour'
assert res == expected, '"%s" != "%s"' % (res, expected)
def testIsSameNode(self):
doc = Document()
node = doc.createElement('node')
assert node.isSameNode(node)
clone = node.cloneNode()
assert not node.isSameNode(clone)
def testLookupPrefix(self):
pass
def testIsDefaultNamespace(self):
pass
def testLookupNamespaceURI(self):
pass
def testIsEqualNode(self):
doc = Document()
node = doc.createElement('node')
one = doc.createElement('one')
two = doc.createElement('two')
node.extend([one, two])
node2 = node.cloneNode(deep=True)
assert node.isEqualNode(node2)
def testGetFeature(self):
pass
def testGetSetUserData(self):
doc = Document()
node = doc.createElement('node')
node.setUserData('foo', 'bar')
res = node.getUserData('foo')
assert res == 'bar'
if __name__ == '__main__':
unittest.main()
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