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chromium/external/github.com/python/cpython/769d44c87227c44d21ded11b06fb89cdebc64f2f/./Lib/test/test_minidom.py
blob: 446bbe096bd19dcf6773b0aac87d57fb4043bc67 [file]
# test for xml.dom.minidom
import copy
import pickle
import io
from test import support
import unittest
import xml.dom.minidom
from xml.dom.minidom import parse, Attr, Node, Document, Element, parseString
from xml.dom.minidom import getDOMImplementation
from xml.parsers.expat import ExpatError
tstfile = support.findfile("test.xml", subdir="xmltestdata")
sample = ("<?xml version='1.0' encoding='us-ascii'?>\n"
"<!DOCTYPE doc PUBLIC 'http://xml.python.org/public'"
" 'http://xml.python.org/system' [\n"
" <!ELEMENT e EMPTY>\n"
" <!ENTITY ent SYSTEM 'http://xml.python.org/entity'>\n"
"]><doc attr='value'> text\n"
"<?pi sample?> <!-- comment --> <e/> </doc>")
# The tests of DocumentType importing use these helpers to construct
# the documents to work with, since not all DOM builders actually
# create the DocumentType nodes.
def create_doc_without_doctype(doctype=None):
return getDOMImplementation().createDocument(None, "doc", doctype)
def create_nonempty_doctype():
doctype = getDOMImplementation().createDocumentType("doc", None, None)
doctype.entities._seq = []
doctype.notations._seq = []
notation = xml.dom.minidom.Notation("my-notation", None,
"http://xml.python.org/notations/my")
doctype.notations._seq.append(notation)
entity = xml.dom.minidom.Entity("my-entity", None,
"http://xml.python.org/entities/my",
"my-notation")
entity.version = "1.0"
entity.encoding = "utf-8"
entity.actualEncoding = "us-ascii"
doctype.entities._seq.append(entity)
return doctype
def create_doc_with_doctype():
doctype = create_nonempty_doctype()
doc = create_doc_without_doctype(doctype)
doctype.entities.item(0).ownerDocument = doc
doctype.notations.item(0).ownerDocument = doc
return doc
class MinidomTest(unittest.TestCase):
def confirm(self, test, testname = "Test"):
self.assertTrue(test, testname)
def checkWholeText(self, node, s):
t = node.wholeText
self.assertEqual(t, s, "looking for %r, found %r" % (s, t))
def testDocumentAsyncAttr(self):
doc = Document()
self.assertFalse(doc.async_)
self.assertFalse(Document.async_)
def testParseFromBinaryFile(self):
with open(tstfile, 'rb') as file:
dom = parse(file)
dom.unlink()
self.assertIsInstance(dom, Document)
def testParseFromTextFile(self):
with open(tstfile, 'r', encoding='iso-8859-1') as file:
dom = parse(file)
dom.unlink()
self.assertIsInstance(dom, Document)
def testAttrModeSetsParamsAsAttrs(self):
attr = Attr("qName", "namespaceURI", "localName", "prefix")
self.assertEqual(attr.name, "qName")
self.assertEqual(attr.namespaceURI, "namespaceURI")
self.assertEqual(attr.prefix, "prefix")
self.assertEqual(attr.localName, "localName")
def testAttrModeSetsNonOptionalAttrs(self):
attr = Attr("qName", "namespaceURI", None, "prefix")
self.assertEqual(attr.name, "qName")
self.assertEqual(attr.namespaceURI, "namespaceURI")
self.assertEqual(attr.prefix, "prefix")
self.assertEqual(attr.localName, attr.name)
def testGetElementsByTagName(self):
dom = parse(tstfile)
self.assertEqual(dom.getElementsByTagName("LI"),
dom.documentElement.getElementsByTagName("LI"))
dom.unlink()
def testInsertBefore(self):
dom = parseString("<doc><foo/></doc>")
root = dom.documentElement
elem = root.childNodes[0]
nelem = dom.createElement("element")
root.insertBefore(nelem, elem)
self.assertEqual(len(root.childNodes), 2)
self.assertEqual(root.childNodes.length, 2)
self.assertIs(root.childNodes[0], nelem)
self.assertIs(root.childNodes.item(0), nelem)
self.assertIs(root.childNodes[1], elem)
self.assertIs(root.childNodes.item(1), elem)
self.assertIs(root.firstChild, nelem)
self.assertIs(root.lastChild, elem)
self.assertEqual(root.toxml(), "<doc><element/><foo/></doc>")
nelem = dom.createElement("element")
root.insertBefore(nelem, None)
self.assertEqual(len(root.childNodes), 3)
self.assertEqual(root.childNodes.length, 3)
self.assertIs(root.childNodes[1], elem)
self.assertIs(root.childNodes.item(1), elem)
self.assertIs(root.childNodes[2], nelem)
self.assertIs(root.childNodes.item(2), nelem)
self.assertIs(root.lastChild, nelem)
self.assertIs(nelem.previousSibling, elem)
self.assertEqual(root.toxml(), "<doc><element/><foo/><element/></doc>")
nelem2 = dom.createElement("bar")
root.insertBefore(nelem2, nelem)
self.assertEqual(len(root.childNodes), 4)
self.assertEqual(root.childNodes.length, 4)
self.assertIs(root.childNodes[2], nelem2)
self.assertIs(root.childNodes.item(2), nelem2)
self.assertIs(root.childNodes[3], nelem)
self.assertIs(root.childNodes.item(3), nelem)
self.assertIs(nelem2.nextSibling, nelem)
self.assertIs(nelem.previousSibling, nelem2)
self.assertEqual(root.toxml(),
"<doc><element/><foo/><bar/><element/></doc>")
dom.unlink()
def _create_fragment_test_nodes(self):
dom = parseString("<doc/>")
orig = dom.createTextNode("original")
c1 = dom.createTextNode("foo")
c2 = dom.createTextNode("bar")
c3 = dom.createTextNode("bat")
dom.documentElement.appendChild(orig)
frag = dom.createDocumentFragment()
frag.appendChild(c1)
frag.appendChild(c2)
frag.appendChild(c3)
return dom, orig, c1, c2, c3, frag
def testInsertBeforeFragment(self):
dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
dom.documentElement.insertBefore(frag, None)
self.assertTupleEqual(tuple(dom.documentElement.childNodes),
(orig, c1, c2, c3),
"insertBefore(<fragment>, None)")
frag.unlink()
dom.unlink()
dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
dom.documentElement.insertBefore(frag, orig)
self.assertTupleEqual(tuple(dom.documentElement.childNodes),
(c1, c2, c3, orig),
"insertBefore(<fragment>, orig)")
frag.unlink()
dom.unlink()
def testAppendChild(self):
dom = parse(tstfile)
dom.documentElement.appendChild(dom.createComment("Hello"))
self.assertEqual(dom.documentElement.childNodes[-1].nodeName, "#comment")
self.assertEqual(dom.documentElement.childNodes[-1].data, "Hello")
dom.unlink()
@support.requires_resource('cpu')
def testAppendChildNoQuadraticComplexity(self):
impl = getDOMImplementation()
def work(n):
doc = impl.createDocument(None, "some_tag", None)
element = doc.documentElement
total_calls = 0
# Count attribute accesses as a proxy for work done
def getattribute_counter(self, attr):
nonlocal total_calls
total_calls += 1
return object.__getattribute__(self, attr)
with support.swap_attr(Element, "__getattribute__", getattribute_counter):
for _ in range(n):
child = doc.createElement("child")
element.appendChild(child)
element = child
return total_calls
# Doubling N should not ~quadruple the work.
w1 = work(1024)
w2 = work(2048)
w3 = work(4096)
self.assertGreater(w1, 0)
r1 = w2 / w1
r2 = w3 / w2
self.assertLess(
max(r1, r2), 3.2,
msg=f"Possible quadratic behavior: work={w1,w2,w3} ratios={r1,r2}"
)
def testSetAttributeNodeWithoutOwnerDocument(self):
# regression test for gh-142754
elem = Element("test")
attr = Attr("id")
attr.value = "test-id"
elem.setAttributeNode(attr)
self.assertEqual(elem.getAttribute("id"), "test-id")
def testAppendChildFragment(self):
dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
dom.documentElement.appendChild(frag)
self.assertTupleEqual(tuple(dom.documentElement.childNodes),
(orig, c1, c2, c3),
"appendChild(<fragment>)")
frag.unlink()
dom.unlink()
def testReplaceChildFragment(self):
dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
dom.documentElement.replaceChild(frag, orig)
orig.unlink()
self.assertTupleEqual(tuple(dom.documentElement.childNodes), (c1, c2, c3),
"replaceChild(<fragment>)")
frag.unlink()
dom.unlink()
def testLegalChildren(self):
dom = Document()
elem = dom.createElement('element')
text = dom.createTextNode('text')
self.assertRaises(xml.dom.HierarchyRequestErr, dom.appendChild, text)
dom.appendChild(elem)
self.assertRaises(xml.dom.HierarchyRequestErr, dom.insertBefore, text,
elem)
self.assertRaises(xml.dom.HierarchyRequestErr, dom.replaceChild, text,
elem)
nodemap = elem.attributes
self.assertRaises(xml.dom.HierarchyRequestErr, nodemap.setNamedItem,
text)
self.assertRaises(xml.dom.HierarchyRequestErr, nodemap.setNamedItemNS,
text)
elem.appendChild(text)
dom.unlink()
def testNamedNodeMapSetItem(self):
dom = Document()
elem = dom.createElement('element')
attrs = elem.attributes
attrs["foo"] = "bar"
a = attrs.item(0)
self.assertIs(a.ownerDocument, dom,
"NamedNodeMap.__setitem__() sets ownerDocument")
self.assertIs(a.ownerElement, elem,
"NamedNodeMap.__setitem__() sets ownerElement")
self.assertEqual(a.value, "bar",
"NamedNodeMap.__setitem__() sets value")
self.assertEqual(a.nodeValue, "bar",
"NamedNodeMap.__setitem__() sets nodeValue")
elem.unlink()
dom.unlink()
def testNonZero(self):
dom = parse(tstfile)
self.assertTrue(dom) # should not be zero
dom.appendChild(dom.createComment("foo"))
self.assertFalse(dom.childNodes[-1].childNodes)
dom.unlink()
def testUnlink(self):
dom = parse(tstfile)
self.assertTrue(dom.childNodes)
dom.unlink()
self.assertFalse(dom.childNodes)
def testContext(self):
with parse(tstfile) as dom:
self.assertTrue(dom.childNodes)
self.assertFalse(dom.childNodes)
def testElement(self):
dom = Document()
dom.appendChild(dom.createElement("abc"))
self.assertTrue(dom.documentElement)
dom.unlink()
def testAAA(self):
dom = parseString("<abc/>")
el = dom.documentElement
el.setAttribute("spam", "jam2")
self.assertEqual(el.toxml(), '<abc spam="jam2"/>', "testAAA")
a = el.getAttributeNode("spam")
self.assertIs(a.ownerDocument, dom,
"setAttribute() sets ownerDocument")
self.assertIs(a.ownerElement, dom.documentElement,
"setAttribute() sets ownerElement")
dom.unlink()
def testAAB(self):
dom = parseString("<abc/>")
el = dom.documentElement
el.setAttribute("spam", "jam")
el.setAttribute("spam", "jam2")
self.assertEqual(el.toxml(), '<abc spam="jam2"/>', "testAAB")
dom.unlink()
def testAddAttr(self):
dom = Document()
child = dom.appendChild(dom.createElement("abc"))
child.setAttribute("def", "ghi")
self.assertEqual(child.getAttribute("def"), "ghi")
self.assertEqual(child.attributes["def"].value, "ghi")
child.setAttribute("jkl", "mno")
self.assertEqual(child.getAttribute("jkl"), "mno")
self.assertEqual(child.attributes["jkl"].value, "mno")
self.assertEqual(len(child.attributes), 2)
child.setAttribute("def", "newval")
self.assertEqual(child.getAttribute("def"), "newval")
self.assertEqual(child.attributes["def"].value, "newval")
self.assertEqual(len(child.attributes), 2)
dom.unlink()
def testDeleteAttr(self):
dom = Document()
child = dom.appendChild(dom.createElement("abc"))
self.assertEqual(len(child.attributes), 0)
child.setAttribute("def", "ghi")
self.assertEqual(len(child.attributes), 1)
del child.attributes["def"]
self.assertEqual(len(child.attributes), 0)
dom.unlink()
def testRemoveAttr(self):
dom = Document()
child = dom.appendChild(dom.createElement("abc"))
child.setAttribute("def", "ghi")
self.assertEqual(len(child.attributes), 1)
# removing an absent attribute has no effect
child.removeAttribute("foo")
self.assertEqual(len(child.attributes), 1)
child.removeAttribute("def")
self.assertEqual(len(child.attributes), 0)
dom.unlink()
def testRemoveAttrNS(self):
dom = Document()
child = dom.appendChild(
dom.createElementNS("http://www.python.org", "python:abc"))
child.setAttributeNS(xml.dom.XMLNS_NAMESPACE, "xmlns:python",
"http://www.python.org")
child.setAttributeNS("http://www.python.org", "python:abcattr", "foo")
# removing an absent attribute has no effect
child.removeAttributeNS("foo", "http://www.python.org")
self.assertEqual(len(child.attributes), 2)
child.removeAttributeNS("http://www.python.org", "abcattr")
self.assertEqual(len(child.attributes), 1)
dom.unlink()
def testRemoveAttributeNode(self):
dom = Document()
child = dom.appendChild(dom.createElement("foo"))
child.setAttribute("spam", "jam")
self.assertEqual(len(child.attributes), 1)
node = child.getAttributeNode("spam")
self.assertRaises(xml.dom.NotFoundErr, child.removeAttributeNode,
None)
self.assertIs(node, child.removeAttributeNode(node))
self.assertEqual(len(child.attributes), 0)
self.assertIsNone(child.getAttributeNode("spam"))
dom2 = Document()
child2 = dom2.appendChild(dom2.createElement("foo"))
node2 = child2.getAttributeNode("spam")
self.assertRaises(xml.dom.NotFoundErr, child2.removeAttributeNode,
node2)
dom.unlink()
def testHasAttribute(self):
dom = Document()
child = dom.appendChild(dom.createElement("foo"))
child.setAttribute("spam", "jam")
self.assertTrue(child.hasAttribute("spam"))
def testChangeAttr(self):
dom = parseString("<abc/>")
el = dom.documentElement
el.setAttribute("spam", "jam")
self.assertEqual(len(el.attributes), 1)
el.setAttribute("spam", "bam")
# Set this attribute to be an ID and make sure that doesn't change
# when changing the value:
el.setIdAttribute("spam")
self.assertEqual(len(el.attributes), 1)
self.assertEqual(el.attributes["spam"].value, "bam")
self.assertEqual(el.attributes["spam"].nodeValue, "bam")
self.assertEqual(el.getAttribute("spam"), "bam")
self.assertTrue(el.getAttributeNode("spam").isId)
el.attributes["spam"] = "ham"
self.assertEqual(len(el.attributes), 1)
self.assertEqual(el.attributes["spam"].value, "ham")
self.assertEqual(el.attributes["spam"].nodeValue, "ham")
self.assertEqual(el.getAttribute("spam"), "ham")
self.assertTrue(el.attributes["spam"].isId)
el.setAttribute("spam2", "bam")
self.assertEqual(len(el.attributes), 2)
self.assertEqual(el.attributes["spam"].value, "ham")
self.assertEqual(el.attributes["spam"].nodeValue, "ham")
self.assertEqual(el.getAttribute("spam"), "ham")
self.assertEqual(el.attributes["spam2"].value, "bam")
self.assertEqual(el.attributes["spam2"].nodeValue, "bam")
self.assertEqual(el.getAttribute("spam2"), "bam")
el.attributes["spam2"] = "bam2"
self.assertEqual(len(el.attributes), 2)
self.assertEqual(el.attributes["spam"].value, "ham")
self.assertEqual(el.attributes["spam"].nodeValue, "ham")
self.assertEqual(el.getAttribute("spam"), "ham")
self.assertEqual(el.attributes["spam2"].value, "bam2")
self.assertEqual(el.attributes["spam2"].nodeValue, "bam2")
self.assertEqual(el.getAttribute("spam2"), "bam2")
dom.unlink()
def testGetAttrList(self):
dom = parseString("<abc/>")
self.addCleanup(dom.unlink)
el = dom.documentElement
el.setAttribute("spam", "jam")
self.assertEqual(len(el.attributes.items()), 1)
el.setAttribute("foo", "bar")
items = el.attributes.items()
self.assertEqual(len(items), 2)
self.assertIn(('spam', 'jam'), items)
self.assertIn(('foo', 'bar'), items)
def testGetAttrValues(self):
dom = parseString("<abc/>")
self.addCleanup(dom.unlink)
el = dom.documentElement
el.setAttribute("spam", "jam")
values = [x.value for x in el.attributes.values()]
self.assertIn("jam", values)
el.setAttribute("foo", "bar")
values = [x.value for x in el.attributes.values()]
self.assertIn("bar", values)
self.assertIn("jam", values)
def testGetAttribute(self):
dom = Document()
child = dom.appendChild(
dom.createElementNS("http://www.python.org", "python:abc"))
self.assertEqual(child.getAttribute('missing'), '')
def testGetAttributeNS(self):
dom = Document()
child = dom.appendChild(
dom.createElementNS("http://www.python.org", "python:abc"))
child.setAttributeNS(xml.dom.XMLNS_NAMESPACE, "xmlns:python",
"http://www.python.org")
self.assertEqual(
child.getAttributeNS(xml.dom.XMLNS_NAMESPACE, "python"),
'http://www.python.org')
self.assertEqual(
child.getAttributeNS(xml.dom.XMLNS_NAMESPACE, "other"),
'')
child2 = child.appendChild(dom.createElement('abc'))
self.assertEqual(child2.getAttributeNS("http://www.python.org", "missing"),
'')
def testGetAttributeNode(self):
dom = parseString("<doc a='1'/>")
elem = dom.documentElement
attr = elem.getAttributeNode("a")
self.assertEqual(attr.name, "a")
self.assertEqual(attr.value, "1")
self.assertIs(attr.ownerElement, elem)
self.assertIsNone(elem.getAttributeNode("b"))
dom.unlink()
def testGetElementsByTagNameNS(self):
d="""<foo xmlns:minidom='http://pyxml.sf.net/minidom'>
<minidom:myelem/>
</foo>"""
dom = parseString(d)
elems = dom.getElementsByTagNameNS("http://pyxml.sf.net/minidom",
"myelem")
self.assertEqual(len(elems), 1)
self.assertEqual(elems[0].namespaceURI, "http://pyxml.sf.net/minidom")
self.assertEqual(elems[0].localName, "myelem")
self.assertEqual(elems[0].prefix, "minidom")
self.assertEqual(elems[0].tagName, "minidom:myelem")
self.assertEqual(elems[0].nodeName, "minidom:myelem")
dom.unlink()
def get_empty_nodelist_from_elements_by_tagName_ns_helper(self, doc, nsuri,
lname):
nodelist = doc.getElementsByTagNameNS(nsuri, lname)
self.assertEqual(len(nodelist), 0)
def testGetEmptyNodeListFromElementsByTagNameNS(self):
doc = parseString('<doc/>')
self.get_empty_nodelist_from_elements_by_tagName_ns_helper(
doc, 'http://xml.python.org/namespaces/a', 'localname')
self.get_empty_nodelist_from_elements_by_tagName_ns_helper(
doc, '*', 'splat')
self.get_empty_nodelist_from_elements_by_tagName_ns_helper(
doc, 'http://xml.python.org/namespaces/a', '*')
doc = parseString('<doc xmlns="http://xml.python.org/splat"><e/></doc>')
self.get_empty_nodelist_from_elements_by_tagName_ns_helper(
doc, "http://xml.python.org/splat", "not-there")
self.get_empty_nodelist_from_elements_by_tagName_ns_helper(
doc, "*", "not-there")
self.get_empty_nodelist_from_elements_by_tagName_ns_helper(
doc, "http://somewhere.else.net/not-there", "e")
def testElementReprAndStr(self):
dom = Document()
el = dom.appendChild(dom.createElement("abc"))
string1 = repr(el)
string2 = str(el)
self.assertEqual(string1, string2)
dom.unlink()
def testElementReprAndStrUnicode(self):
dom = Document()
el = dom.appendChild(dom.createElement("abc"))
string1 = repr(el)
string2 = str(el)
self.assertEqual(string1, string2)
dom.unlink()
def testElementReprAndStrUnicodeNS(self):
dom = Document()
el = dom.appendChild(
dom.createElementNS("http://www.slashdot.org", "slash:abc"))
string1 = repr(el)
string2 = str(el)
self.assertEqual(string1, string2)
self.assertIn("slash:abc", string1)
dom.unlink()
def testAttributeRepr(self):
dom = Document()
el = dom.appendChild(dom.createElement("abc"))
node = el.setAttribute("abc", "def")
self.assertEqual(str(node), repr(node))
dom.unlink()
def testWriteXML(self):
str = '<?xml version="1.0" ?><a b="c"/>'
dom = parseString(str)
domstr = dom.toxml()
dom.unlink()
self.assertEqual(str, domstr)
def testWriteXMLDocumentFragment(self):
dom = parseString('<doc><a b="c"/>text<!--comment--></doc>')
frag = dom.createDocumentFragment()
for node in list(dom.documentElement.childNodes):
frag.appendChild(node)
self.assertEqual(frag.toxml(), '<a b="c"/>text<!--comment-->')
self.assertEqual(frag.toprettyxml(),
'<a b="c"/>\ntext\n<!--comment-->\n')
# the fragment itself does not add a level of indentation
writer = io.StringIO()
frag.writexml(writer, " ", " ", "\n")
self.assertEqual(writer.getvalue(),
' <a b="c"/>\n text\n <!--comment-->\n')
self.assertEqual(dom.createDocumentFragment().toxml(), '')
def testWriteXMLNamespaceDeclarations(self):
dom = Document()
root = dom.appendChild(
dom.createElementNS("http://xml.python.org/ns", "p:root"))
child = root.appendChild(
dom.createElementNS("http://xml.python.org/ns", "p:child"))
child.setAttributeNS("http://xml.python.org/ns2", "q:attr", "value")
self.assertEqual(dom.documentElement.toxml(),
'<p:root xmlns:p="http://xml.python.org/ns">'
'<p:child xmlns:q="http://xml.python.org/ns2" '
'q:attr="value"/></p:root>')
dom.unlink()
def testWriteXMLDefaultNamespace(self):
dom = Document()
root = dom.appendChild(
dom.createElementNS("http://xml.python.org/ns", "root"))
root.appendChild(
dom.createElementNS("http://xml.python.org/ns", "child"))
# An element in no namespace undeclares the default namespace.
root.appendChild(dom.createElement("nons"))
self.assertEqual(dom.documentElement.toxml(),
'<root xmlns="http://xml.python.org/ns">'
'<child/><nons xmlns=""/></root>')
dom.unlink()
def testWriteXMLAttributeNamespacePrefix(self):
dom = Document()
root = dom.appendChild(dom.createElement("root"))
# Attributes cannot use the default namespace, a prefix is invented.
root.setAttributeNS("http://xml.python.org/ns", "attr", "value")
root.setAttributeNS("http://xml.python.org/ns2", "attr2", "value2")
self.assertEqual(dom.documentElement.toxml(),
'<root xmlns:ns0="http://xml.python.org/ns" '
'xmlns:ns1="http://xml.python.org/ns2" '
'ns0:attr="value" ns1:attr2="value2"/>')
# The same namespace gets the same prefix.
root.setAttributeNS("http://xml.python.org/ns", "attr3", "value3")
self.assertEqual(dom.documentElement.toxml(),
'<root xmlns:ns0="http://xml.python.org/ns" '
'xmlns:ns1="http://xml.python.org/ns2" '
'ns0:attr="value" ns1:attr2="value2" ns0:attr3="value3"/>')
dom.unlink()
def testWriteXMLAttributeNamespacePrefixReused(self):
# A prefix already bound to the namespace of the attribute is used.
dom = Document()
root = dom.appendChild(
dom.createElementNS("http://xml.python.org/ns", "p:root"))
root.setAttributeNS("http://xml.python.org/ns", "attr", "value")
self.assertEqual(dom.documentElement.toxml(),
'<p:root xmlns:p="http://xml.python.org/ns" p:attr="value"/>')
# The prefix can be bound for an ancestor.
child = root.appendChild(dom.createElement("child"))
child.setAttributeNS("http://xml.python.org/ns", "attr", "value")
self.assertEqual(child.toxml(), '<child p:attr="value"/>')
# The prefix bound for a preceding attribute is reused.
root.setAttributeNS("http://xml.python.org/ns3", "q:attr3", "value3")
root.setAttributeNS("http://xml.python.org/ns3", "attr4", "value4")
self.assertEqual(dom.documentElement.toxml(),
'<p:root xmlns:p="http://xml.python.org/ns" '
'xmlns:q="http://xml.python.org/ns3" '
'p:attr="value" q:attr3="value3" q:attr4="value4">'
'<child p:attr="value"/></p:root>')
root.removeAttributeNS("http://xml.python.org/ns3", "attr3")
root.removeAttributeNS("http://xml.python.org/ns3", "attr4")
# The prefix must not be taken by an explicit declaration.
root.setAttributeNS(xml.dom.XMLNS_NAMESPACE, "xmlns:ns0", "other")
root.setAttributeNS("http://xml.python.org/ns2", "attr2", "value2")
self.assertEqual(dom.documentElement.toxml(),
'<p:root xmlns:p="http://xml.python.org/ns" '
'xmlns:ns1="http://xml.python.org/ns2" '
'p:attr="value" xmlns:ns0="other" ns1:attr2="value2">'
'<child p:attr="value"/></p:root>')
dom.unlink()
def testWriteXMLXMLPrefix(self):
dom = Document()
root = dom.appendChild(dom.createElement("root"))
# The "xml" prefix is bound by definition and is never declared.
root.setAttributeNS(xml.dom.XML_NAMESPACE, "xml:lang", "en")
self.assertEqual(dom.documentElement.toxml(), '<root xml:lang="en"/>')
dom.unlink()
def testWriteXMLExistingNamespaceDeclarations(self):
for str in [
'<p:root xmlns:p="http://xml.python.org/ns"><p:child/></p:root>',
'<root xmlns="http://xml.python.org/ns"><child xmlns=""/></root>',
'<p:root xmlns:p="http://xml.python.org/ns">'
'<p:child xmlns:p="http://xml.python.org/ns2"/></p:root>',
'<root xmlns:p="http://xml.python.org/ns" p:attr="value"/>',
]:
with self.subTest(str=str):
dom = parseString(str)
self.assertEqual(dom.documentElement.toxml(), str)
dom.unlink()
def testWriteXMLNotANamespaceDeclaration(self):
# an attribute whose name only starts with "xmlns" is not one
dom = parseString('<root xmlns="http://xml.python.org/ns">'
'<child xmlnsabc="v"><g/></child></root>')
self.assertEqual(dom.documentElement.toxml(),
'<root xmlns="http://xml.python.org/ns">'
'<child xmlnsabc="v"><g/></child></root>')
dom.unlink()
dom = Document()
root = dom.appendChild(
dom.createElementNS("http://xml.python.org/ns", "root"))
child = root.appendChild(dom.createElement("child"))
child.setAttribute("xmlnsabc", "v")
self.assertEqual(dom.documentElement.toxml(),
'<root xmlns="http://xml.python.org/ns">'
'<child xmlns="" xmlnsabc="v"/></root>')
dom.unlink()
def testWriteXMLDoesNotModifyDocument(self):
dom = Document()
root = dom.appendChild(
dom.createElementNS("http://xml.python.org/ns", "p:root"))
root.toxml()
self.assertEqual(root.attributes.length, 0)
dom.unlink()
def test_toxml_quote_text(self):
dom = Document()
elem = dom.appendChild(dom.createElement('elem'))
elem.appendChild(dom.createTextNode('&<>"'))
cr = elem.appendChild(dom.createElement('cr'))
cr.appendChild(dom.createTextNode('\r'))
crlf = elem.appendChild(dom.createElement('crlf'))
crlf.appendChild(dom.createTextNode('\r\n'))
lflf = elem.appendChild(dom.createElement('lflf'))
lflf.appendChild(dom.createTextNode('\n\n'))
ws = elem.appendChild(dom.createElement('ws'))
ws.appendChild(dom.createTextNode('\t\n\r '))
domstr = dom.toxml()
dom.unlink()
self.assertEqual(domstr, '<?xml version="1.0" ?>'
'<elem>&amp;&lt;&gt;"'
'<cr>\r</cr>'
'<crlf>\r\n</crlf>'
'<lflf>\n\n</lflf>'
'<ws>\t\n\r </ws></elem>')
def test_toxml_quote_attrib(self):
dom = Document()
elem = dom.appendChild(dom.createElement('elem'))
elem.setAttribute("a", '&<>"')
elem.setAttribute("cr", "\r")
elem.setAttribute("lf", "\n")
elem.setAttribute("crlf", "\r\n")
elem.setAttribute("lflf", "\n\n")
elem.setAttribute("ws", "\t\n\r ")
domstr = dom.toxml()
dom.unlink()
self.assertEqual(domstr, '<?xml version="1.0" ?>'
'<elem a="&amp;&lt;&gt;&quot;" '
'cr="&#13;" '
'lf="&#10;" '
'crlf="&#13;&#10;" '
'lflf="&#10;&#10;" '
'ws="&#9;&#10;&#13; "/>')
def testAltNewline(self):
str = '<?xml version="1.0" ?>\n<a b="c"/>\n'
dom = parseString(str)
domstr = dom.toprettyxml(newl="\r\n")
dom.unlink()
self.assertEqual(domstr, str.replace("\n", "\r\n"))
def test_toprettyxml_with_text_nodes(self):
# see gh-48397 and gh-81623,
# the content of an element with text is not changed
decl = '<?xml version="1.0" ?>\n'
self.assertEqual(parseString('<B>A</B>').toprettyxml(),
decl + '<B>A</B>\n')
self.assertEqual(parseString('<C>A<B>A</B></C>').toprettyxml(),
decl + '<C>A<B>A</B></C>\n')
self.assertEqual(parseString('<C><B>A</B>A</C>').toprettyxml(),
decl + '<C><B>A</B>A</C>\n')
self.assertEqual(parseString('<C><B>A</B><B>A</B></C>').toprettyxml(),
decl + '<C>\n\t<B>A</B>\n\t<B>A</B>\n</C>\n')
self.assertEqual(parseString('<C><B>A</B>A<B>A</B></C>').toprettyxml(),
decl + '<C><B>A</B>A<B>A</B></C>\n')
# toprettyxml treats whitespace between elements as insignificant
self.assertEqual(parseString('<C> <B>A</B> </C>').toprettyxml(),
decl + '<C>\n\t \n\t<B>A</B>\n\t \n</C>\n')
def test_toprettyxml_with_adjacent_text_nodes(self):
# see gh-81623, adjacent text nodes are not separated
dom = Document()
elem = dom.createElement('elem')
elem.appendChild(dom.createTextNode('TEXT'))
elem.appendChild(dom.createTextNode('TEXT'))
dom.appendChild(elem)
decl = '<?xml version="1.0" ?>\n'
self.assertEqual(dom.toprettyxml(), decl + '<elem>TEXTTEXT</elem>\n')
def test_toprettyxml_preserve(self):
decl = '<?xml version="1.0" ?>\n'
# xml:space="preserve" applies to the whole subtree
self.assertEqual(
parseString('<C xml:space="preserve"><B>A</B><B>A</B></C>'
).toprettyxml(),
decl + '<C xml:space="preserve"><B>A</B><B>A</B></C>\n')
self.assertEqual(
parseString('<C xml:space="preserve"><B><D/></B></C>'
).toprettyxml(),
decl + '<C xml:space="preserve"><B><D/></B></C>\n')
# other values do not preserve whitespace
self.assertEqual(
parseString('<C xml:space="default"><B>A</B></C>').toprettyxml(),
decl + '<C xml:space="default">\n\t<B>A</B>\n</C>\n')
def test_toprettyxml_with_non_xml_whitespace(self):
# only " \t\r\n" are whitespace in XML (see XML 1.0, 2.3)
decl = '<?xml version="1.0" ?>\n'
self.assertEqual(parseString('<C>\xa0<B>A</B></C>').toprettyxml(),
decl + '<C>\xa0<B>A</B></C>\n')
def test_toprettyxml_with_dtd(self):
decl = '<?xml version="1.0" ?>\n'
# only whitespace in element content is ignorable
doctype = ('<!DOCTYPE C [<!ELEMENT C (#PCDATA|B)*>'
'<!ELEMENT B (#PCDATA)>]>')
self.assertEqual(
parseString(doctype + '<C><B>A</B><B>A</B></C>').toprettyxml(),
decl + doctype + '\n<C><B>A</B><B>A</B></C>\n')
doctype = '<!DOCTYPE C [<!ELEMENT C (B)*><!ELEMENT B (#PCDATA)>]>'
self.assertEqual(
parseString(doctype + '<C><B>A</B><B>A</B></C>').toprettyxml(),
decl + doctype + '\n<C>\n\t<B>A</B>\n\t<B>A</B>\n</C>\n')
def test_toprettyxml_with_cdata_section(self):
decl = '<?xml version="1.0" ?>\n'
self.assertEqual(
parseString('<C><![CDATA[A]]><B>A</B></C>').toprettyxml(),
decl + '<C><![CDATA[A]]><B>A</B></C>\n')
def test_toprettyxml_preserves_content_of_text_node(self):
# see gh-48397
for str in ('<B>A</B>', '<A><B>C</B></A>'):
dom = parseString(str)
dom2 = parseString(dom.toprettyxml())
self.assertEqual(
dom.getElementsByTagName('B')[0].childNodes[0].toxml(),
dom2.getElementsByTagName('B')[0].childNodes[0].toxml())
def test_isWhitespaceInElementContent(self):
# only " \t\r\n" are whitespace in XML (see XML 1.0, 2.3)
dom = parseString('<!DOCTYPE a [<!ELEMENT a (b)*><!ELEMENT b (#PCDATA)>]>'
'<a> <b>x</b>\xa0</a>')
children = dom.documentElement.childNodes
self.assertTrue(children[0].isWhitespaceInElementContent)
self.assertFalse(children[2].isWhitespaceInElementContent)
dom.unlink()
def test_remove_whitespace_in_element_content(self):
from xml.dom.xmlbuilder import DOMBuilder, DOMInputSource
builder = DOMBuilder()
builder.setFeature("whitespace-in-element-content", False)
source = DOMInputSource()
source.byteStream = io.BytesIO(
b'<!DOCTYPE a [<!ELEMENT a (b)*><!ELEMENT b (#PCDATA)>]>'
b'<a> <b>x</b>\xc2\xa0</a>')
dom = builder.parse(source)
children = dom.documentElement.childNodes
# ignorable whitespace is removed, other characters are not
self.assertEqual([node.nodeName for node in children], ['b', '#text'])
self.assertEqual(children[1].data, '\xa0')
dom.unlink()
def testProcessingInstruction(self):
dom = parseString('<e><?mypi \t\n data \t\n ?></e>')
pi = dom.documentElement.firstChild
self.assertEqual(pi.target, "mypi")
self.assertEqual(pi.data, "data \t\n ")
self.assertEqual(pi.nodeName, "mypi")
self.assertEqual(pi.nodeType, Node.PROCESSING_INSTRUCTION_NODE)
self.assertIsNone(pi.attributes)
self.assertFalse(pi.hasChildNodes())
self.assertEqual(len(pi.childNodes), 0)
self.assertIsNone(pi.firstChild)
self.assertIsNone(pi.lastChild)
self.assertIsNone(pi.localName)
self.assertEqual(pi.namespaceURI, xml.dom.EMPTY_NAMESPACE)
def testProcessingInstructionRepr(self):
dom = parseString('<e><?mypi \t\n data \t\n ?></e>')
pi = dom.documentElement.firstChild
self.assertEqual(str(pi.nodeType), repr(pi.nodeType))
def testTextRepr(self):
dom = Document()
self.addCleanup(dom.unlink)
elem = dom.createElement("elem")
elem.appendChild(dom.createTextNode("foo"))
el = elem.firstChild
self.assertEqual(str(el), repr(el))
self.assertEqual('<DOM Text node "\'foo\'">', str(el))
def testWriteText(self):
dom = parseString("<doc><a>text</a><b>&lt;&amp;&gt;</b></doc>")
elem = dom.documentElement
writer = io.StringIO()
elem.writexml(writer)
self.assertEqual(writer.getvalue(),
"<doc><a>text</a><b>&lt;&amp;&gt;</b></doc>")
writer = io.StringIO()
elem.writexml(writer, indent=" ", addindent=" ", newl="\n")
self.assertEqual(writer.getvalue(),
" <doc>\n"
" <a>text</a>\n"
" <b>&lt;&amp;&gt;</b>\n"
" </doc>\n")
dom.unlink()
def testDocumentElement(self):
dom = parseString("<!-- comment --><doc/><?pi data?>")
elem = dom.documentElement
self.assertEqual(elem.tagName, "doc")
self.assertIs(elem, dom.childNodes[1])
dom.unlink()
dom = Document()
self.assertIsNone(dom.documentElement)
elem = dom.appendChild(dom.createElement("doc"))
self.assertIs(dom.documentElement, elem)
dom.unlink()
def testTooManyDocumentElements(self):
doc = parseString("<doc/>")
elem = doc.createElement("extra")
# Should raise an exception when adding an extra document element.
self.assertRaises(xml.dom.HierarchyRequestErr, doc.appendChild, elem)
elem.unlink()
doc.unlink()
def testCreateElementNS(self):
dom = Document()
elem = dom.createElementNS("http://xml.python.org/ns", "p:elem")
self.assertEqual(elem.nodeType, Node.ELEMENT_NODE)
self.assertEqual(elem.tagName, "p:elem")
self.assertEqual(elem.nodeName, "p:elem")
self.assertEqual(elem.namespaceURI, "http://xml.python.org/ns")
self.assertEqual(elem.prefix, "p")
self.assertEqual(elem.localName, "elem")
self.assertIs(elem.ownerDocument, dom)
self.assertIsNone(elem.parentNode)
elem = dom.createElementNS("http://xml.python.org/ns", "elem")
self.assertEqual(elem.tagName, "elem")
self.assertIsNone(elem.prefix)
self.assertEqual(elem.localName, "elem")
dom.unlink()
def testCreateAttributeNS(self):
dom = Document()
attr = dom.createAttributeNS("http://xml.python.org/ns", "p:attr")
self.assertEqual(attr.nodeType, Node.ATTRIBUTE_NODE)
self.assertEqual(attr.name, "p:attr")
self.assertEqual(attr.nodeName, "p:attr")
self.assertEqual(attr.namespaceURI, "http://xml.python.org/ns")
self.assertEqual(attr.prefix, "p")
self.assertEqual(attr.localName, "attr")
self.assertEqual(attr.value, "")
self.assertIs(attr.ownerDocument, dom)
self.assertIsNone(attr.ownerElement)
elem = dom.appendChild(dom.createElement("doc"))
elem.setAttributeNode(attr)
self.assertIs(attr.ownerElement, elem)
self.assertIs(elem.getAttributeNodeNS("http://xml.python.org/ns",
"attr"), attr)
dom.unlink()
def testParse(self):
# parsing from a file object is tested in testParseFromBinaryFile
# and testParseFromTextFile
dom = parse(tstfile)
self.assertEqual(dom.nodeType, Node.DOCUMENT_NODE)
self.assertEqual(dom.documentElement.tagName, "HTML")
dom.unlink()
self.assertRaises(ExpatError, parseString, "<doc>")
def testParseString(self):
dom = parseString("<doc>text</doc>")
self.assertEqual(dom.nodeType, Node.DOCUMENT_NODE)
self.assertEqual(dom.documentElement.tagName, "doc")
self.assertEqual(dom.documentElement.firstChild.data, "text")
dom.unlink()
dom = parseString(b"<?xml version='1.0' encoding='utf-8'?>"
b"<doc>\xc3\xa9</doc>")
self.assertEqual(dom.documentElement.firstChild.data, "\xe9")
dom.unlink()
def testComment(self):
dom = Document()
comment = dom.createComment("comment")
self.assertEqual(comment.nodeType, Node.COMMENT_NODE)
self.assertEqual(comment.nodeName, "#comment")
self.assertEqual(comment.data, "comment")
self.assertEqual(comment.nodeValue, "comment")
self.assertIsNone(comment.attributes)
dom.appendChild(comment)
self.assertEqual(dom.toxml(),
'<?xml version="1.0" ?><!--comment-->')
dom.unlink()
dom = parseString("<doc><!--comment--></doc>")
comment = dom.documentElement.firstChild
self.assertEqual(comment.nodeType, Node.COMMENT_NODE)
self.assertEqual(comment.data, "comment")
dom.unlink()
def testAttrListItem(self):
dom = parseString("<doc a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(attrs.item(0).name, "a")
self.assertEqual(attrs.item(1).name, "b")
self.assertIsNone(attrs.item(2))
dom.unlink()
def testAttrListItems(self):
dom = parseString("<doc a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(attrs.items(), [("a", "1"), ("b", "2")])
dom.unlink()
def testAttrListItemNS(self):
dom = parseString("<doc xmlns:p='http://xml.python.org/ns' "
"p:a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(attrs.itemsNS(), [
((xml.dom.XMLNS_NAMESPACE, "p"), "http://xml.python.org/ns"),
(("http://xml.python.org/ns", "a"), "1"),
((None, "b"), "2"),
])
dom.unlink()
def testAttrListKeys(self):
dom = parseString("<doc a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(list(attrs.keys()), ["a", "b"])
dom.unlink()
def testAttrListKeysNS(self):
dom = parseString("<doc xmlns:p='http://xml.python.org/ns' "
"p:a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(list(attrs.keysNS()), [
(xml.dom.XMLNS_NAMESPACE, "p"),
("http://xml.python.org/ns", "a"),
(None, "b"),
])
dom.unlink()
def testRemoveNamedItem(self):
doc = parseString("<doc a=''/>")
e = doc.documentElement
attrs = e.attributes
a1 = e.getAttributeNode("a")
a2 = attrs.removeNamedItem("a")
self.assertTrue(a1.isSameNode(a2))
self.assertRaises(xml.dom.NotFoundErr, attrs.removeNamedItem, "a")
def testRemoveNamedItemNS(self):
doc = parseString("<doc xmlns:a='http://xml.python.org/' a:b=''/>")
e = doc.documentElement
attrs = e.attributes
a1 = e.getAttributeNodeNS("http://xml.python.org/", "b")
a2 = attrs.removeNamedItemNS("http://xml.python.org/", "b")
self.assertTrue(a1.isSameNode(a2))
self.assertRaises(xml.dom.NotFoundErr, attrs.removeNamedItemNS,
"http://xml.python.org/", "b")
def testAttrListValues(self):
dom = parseString("<doc a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual([attr.name for attr in attrs.values()], ["a", "b"])
self.assertEqual([attr.value for attr in attrs.values()], ["1", "2"])
dom.unlink()
def testAttrListLength(self):
dom = parseString("<doc a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(attrs.length, 2)
self.assertEqual(len(attrs), 2)
dom.unlink()
dom = parseString("<doc/>")
self.assertEqual(dom.documentElement.attributes.length, 0)
dom.unlink()
def testAttrList__getitem__(self):
dom = parseString("<doc xmlns:p='http://xml.python.org/ns' "
"p:a='1' b='2'/>")
attrs = dom.documentElement.attributes
self.assertEqual(attrs["b"].value, "2")
self.assertEqual(attrs[("http://xml.python.org/ns", "a")].value, "1")
self.assertRaises(KeyError, attrs.__getitem__, "missing")
self.assertRaises(KeyError, attrs.__getitem__, (None, "missing"))
dom.unlink()
def testAttrList__setitem__(self):
dom = parseString("<doc a='1'/>")
elem = dom.documentElement
attrs = elem.attributes
attrs["a"] = "2"
self.assertEqual(elem.getAttribute("a"), "2")
attrs["b"] = "3"
self.assertEqual(elem.getAttribute("b"), "3")
self.assertEqual(attrs.length, 2)
attr = dom.createAttribute("c")
attr.value = "4"
attrs["c"] = attr
self.assertIs(elem.getAttributeNode("c"), attr)
self.assertEqual(elem.getAttribute("c"), "4")
dom.unlink()
def testSetAttrValueandNodeValue(self):
dom = parseString("<doc a='1'/>")
attr = dom.documentElement.getAttributeNode("a")
self.assertEqual(attr.value, "1")
self.assertEqual(attr.nodeValue, "1")
attr.value = "2"
self.assertEqual(attr.nodeValue, "2")
attr.nodeValue = "3"
self.assertEqual(attr.value, "3")
self.assertEqual(dom.documentElement.getAttribute("a"), "3")
dom.unlink()
def testParseElement(self):
dom = parseString("<doc><child/><child/></doc>")
elem = dom.documentElement
self.assertEqual(elem.nodeType, Node.ELEMENT_NODE)
self.assertEqual(elem.tagName, "doc")
self.assertIsNone(elem.namespaceURI)
self.assertIs(elem.parentNode, dom)
self.assertIs(elem.ownerDocument, dom)
self.assertEqual([child.tagName for child in elem.childNodes],
["child", "child"])
dom.unlink()
def testParseAttributes(self):
dom = parseString("<doc a='1' b='&amp;'/>")
elem = dom.documentElement
self.assertEqual(elem.getAttribute("a"), "1")
self.assertEqual(elem.getAttribute("b"), "&")
self.assertEqual(elem.getAttribute("missing"), "")
self.assertTrue(elem.hasAttribute("a"))
self.assertFalse(elem.hasAttribute("missing"))
attr = elem.getAttributeNode("a")
self.assertTrue(attr.specified)
self.assertIsNone(attr.namespaceURI)
dom.unlink()
def testParseElementNamespaces(self):
dom = parseString("<p:doc xmlns:p='http://xml.python.org/ns'"
" xmlns='http://xml.python.org/default'>"
"<child/></p:doc>")
elem = dom.documentElement
self.assertEqual(elem.tagName, "p:doc")
self.assertEqual(elem.namespaceURI, "http://xml.python.org/ns")
self.assertEqual(elem.prefix, "p")
self.assertEqual(elem.localName, "doc")
child = elem.getElementsByTagName("child")[0]
self.assertEqual(child.namespaceURI, "http://xml.python.org/default")
self.assertIsNone(child.prefix)
self.assertEqual(child.localName, "child")
dom.unlink()
def testParseAttributeNamespaces(self):
dom = parseString("<doc xmlns:p='http://xml.python.org/ns'"
" p:a='1' b='2'/>")
elem = dom.documentElement
self.assertEqual(elem.getAttributeNS("http://xml.python.org/ns", "a"),
"1")
self.assertEqual(elem.getAttributeNS(None, "b"), "2")
attr = elem.getAttributeNodeNS("http://xml.python.org/ns", "a")
self.assertEqual(attr.name, "p:a")
self.assertEqual(attr.prefix, "p")
self.assertEqual(attr.localName, "a")
declaration = elem.getAttributeNode("xmlns:p")
self.assertEqual(declaration.namespaceURI, xml.dom.XMLNS_NAMESPACE)
self.assertEqual(declaration.value, "http://xml.python.org/ns")
dom.unlink()
def testParseProcessingInstructions(self):
# the content of a processing instruction is tested
# in testProcessingInstruction
dom = parseString("<?before data?><doc/><?after?>")
pi = dom.childNodes[0]
self.assertEqual(pi.nodeType, Node.PROCESSING_INSTRUCTION_NODE)
self.assertEqual(pi.target, "before")
self.assertEqual(pi.data, "data")
self.assertIs(pi.parentNode, dom)
pi = dom.childNodes[2]
self.assertEqual(pi.target, "after")
self.assertEqual(pi.data, "")
dom.unlink()
def testChildNodes(self):
dom = parseString("<doc>text<child/><!--comment--></doc>")
children = dom.documentElement.childNodes
self.assertEqual(len(children), 3)
self.assertEqual([child.nodeType for child in children],
[Node.TEXT_NODE, Node.ELEMENT_NODE, Node.COMMENT_NODE])
for child in children:
self.assertIs(child.parentNode, dom.documentElement)
dom.unlink()
dom = parseString("<doc/>")
self.assertEqual(len(dom.documentElement.childNodes), 0)
dom.unlink()
def testFirstChild(self):
dom = parseString("<doc><a/><b/></doc>")
elem = dom.documentElement
self.assertEqual(elem.firstChild.tagName, "a")
self.assertEqual(elem.lastChild.tagName, "b")
self.assertIs(elem.firstChild, elem.childNodes[0])
self.assertIs(elem.lastChild, elem.childNodes[-1])
self.assertIsNone(elem.firstChild.previousSibling)
self.assertIs(elem.firstChild.nextSibling, elem.lastChild)
dom.unlink()
dom = parseString("<doc/>")
self.assertIsNone(dom.documentElement.firstChild)
self.assertIsNone(dom.documentElement.lastChild)
dom.unlink()
def testHasChildNodes(self):
dom = parseString("<doc><foo/></doc>")
doc = dom.documentElement
self.assertTrue(doc.hasChildNodes())
dom2 = parseString("<doc/>")
doc2 = dom2.documentElement
self.assertFalse(doc2.hasChildNodes())
def _testCloneElementCopiesAttributes(self, e1, e2, test):
attrs1 = e1.attributes
attrs2 = e2.attributes
keys1 = list(attrs1.keys())
keys2 = list(attrs2.keys())
keys1.sort()
keys2.sort()
self.assertEqual(keys1, keys2)
for i in range(len(keys1)):
a1 = attrs1.item(i)
a2 = attrs2.item(i)
self.assertIsNot(a1, a2)
self.assertEqual(a1.value, a2.value)
self.assertEqual(a1.nodeValue, a2.nodeValue)
self.assertEqual(a1.namespaceURI,a2.namespaceURI)
self.assertEqual(a1.localName, a2.localName)
self.assertIs(a2.ownerElement, e2)
def _setupCloneElement(self, deep):
dom = parseString("<doc attr='value'><foo/></doc>")
root = dom.documentElement
clone = root.cloneNode(deep)
self._testCloneElementCopiesAttributes(
root, clone, "testCloneElement" + (deep and "Deep" or "Shallow"))
# mutilate the original so shared data is detected
root.tagName = root.nodeName = "MODIFIED"
root.setAttribute("attr", "NEW VALUE")
root.setAttribute("added", "VALUE")
return dom, clone
def testCloneElementShallow(self):
dom, clone = self._setupCloneElement(0)
self.assertEqual(len(clone.childNodes), 0)
self.assertEqual(clone.childNodes.length, 0)
self.assertIsNone(clone.parentNode)
self.assertEqual(clone.toxml(), '<doc attr="value"/>')
dom.unlink()
def testCloneElementDeep(self):
dom, clone = self._setupCloneElement(1)
self.assertEqual(len(clone.childNodes), 1)
self.assertEqual(clone.childNodes.length, 1)
self.assertIsNone(clone.parentNode)
self.assertTrue(clone.toxml(), '<doc attr="value"><foo/></doc>')
dom.unlink()
def testCloneDocumentShallow(self):
doc = parseString("<?xml version='1.0'?>\n"
"<!-- comment -->"
"<!DOCTYPE doc [\n"
"<!NOTATION notation SYSTEM 'http://xml.python.org/'>\n"
"]>\n"
"<doc attr='value'/>")
doc2 = doc.cloneNode(0)
self.assertIsNone(doc2,
"testCloneDocumentShallow:"
" shallow cloning of documents makes no sense!")
def testCloneDocumentDeep(self):
doc = parseString("<?xml version='1.0'?>\n"
"<!-- comment -->"
"<!DOCTYPE doc [\n"
"<!NOTATION notation SYSTEM 'http://xml.python.org/'>\n"
"]>\n"
"<doc attr='value'/>")
doc2 = doc.cloneNode(1)
self.assertFalse((doc.isSameNode(doc2) or doc2.isSameNode(doc)),
"testCloneDocumentDeep: document objects not distinct")
self.assertEqual(len(doc.childNodes), len(doc2.childNodes),
"testCloneDocumentDeep: wrong number of Document children")
self.assertEqual(doc2.documentElement.nodeType, Node.ELEMENT_NODE,
"testCloneDocumentDeep: documentElement not an ELEMENT_NODE")
self.assertTrue(doc2.documentElement.ownerDocument.isSameNode(doc2),
"testCloneDocumentDeep: documentElement owner is not new document")
self.assertFalse(doc.documentElement.isSameNode(doc2.documentElement),
"testCloneDocumentDeep: documentElement should not be shared")
if doc.doctype is not None:
# check the doctype iff the original DOM maintained it
self.assertEqual(doc2.doctype.nodeType, Node.DOCUMENT_TYPE_NODE,
"testCloneDocumentDeep: doctype not a DOCUMENT_TYPE_NODE")
self.assertTrue(doc2.doctype.ownerDocument.isSameNode(doc2))
self.assertFalse(doc.doctype.isSameNode(doc2.doctype))
def testCloneDocumentTypeDeepOk(self):
doctype = create_nonempty_doctype()
clone = doctype.cloneNode(1)
self.confirm(clone is not None
and clone.nodeName == doctype.nodeName
and clone.name == doctype.name
and clone.publicId == doctype.publicId
and clone.systemId == doctype.systemId
and len(clone.entities) == len(doctype.entities)
and clone.entities.item(len(clone.entities)) is None
and len(clone.notations) == len(doctype.notations)
and clone.notations.item(len(clone.notations)) is None
and len(clone.childNodes) == 0)
for i in range(len(doctype.entities)):
se = doctype.entities.item(i)
ce = clone.entities.item(i)
self.confirm((not se.isSameNode(ce))
and (not ce.isSameNode(se))
and ce.nodeName == se.nodeName
and ce.notationName == se.notationName
and ce.publicId == se.publicId
and ce.systemId == se.systemId
and ce.encoding == se.encoding
and ce.actualEncoding == se.actualEncoding
and ce.version == se.version)
for i in range(len(doctype.notations)):
sn = doctype.notations.item(i)
cn = clone.notations.item(i)
self.confirm((not sn.isSameNode(cn))
and (not cn.isSameNode(sn))
and cn.nodeName == sn.nodeName
and cn.publicId == sn.publicId
and cn.systemId == sn.systemId)
def testCloneDocumentTypeDeepNotOk(self):
doc = create_doc_with_doctype()
clone = doc.doctype.cloneNode(1)
self.assertIsNone(clone)
def testCloneDocumentTypeShallowOk(self):
doctype = create_nonempty_doctype()
clone = doctype.cloneNode(0)
self.confirm(clone is not None
and clone.nodeName == doctype.nodeName
and clone.name == doctype.name
and clone.publicId == doctype.publicId
and clone.systemId == doctype.systemId
and len(clone.entities) == 0
and clone.entities.item(0) is None
and len(clone.notations) == 0
and clone.notations.item(0) is None
and len(clone.childNodes) == 0)
def testCloneDocumentTypeShallowNotOk(self):
doc = create_doc_with_doctype()
clone = doc.doctype.cloneNode(0)
self.assertIsNone(clone)
def check_import_document(self, deep, testName):
doc1 = parseString("<doc/>")
doc2 = parseString("<doc/>")
self.assertRaises(xml.dom.NotSupportedErr, doc1.importNode, doc2, deep)
def testImportDocumentShallow(self):
self.check_import_document(0, "testImportDocumentShallow")
def testImportDocumentDeep(self):
self.check_import_document(1, "testImportDocumentDeep")
def testImportDocumentTypeShallow(self):
src = create_doc_with_doctype()
target = create_doc_without_doctype()
self.assertRaises(xml.dom.NotSupportedErr, target.importNode,
src.doctype, 0)
def testImportDocumentTypeDeep(self):
src = create_doc_with_doctype()
target = create_doc_without_doctype()
self.assertRaises(xml.dom.NotSupportedErr, target.importNode,
src.doctype, 1)
# Testing attribute clones uses a helper, and should always be deep,
# even if the argument to cloneNode is false.
def check_clone_attribute(self, deep, testName):
doc = parseString("<doc attr='value'/>")
attr = doc.documentElement.getAttributeNode("attr")
self.assertIsNotNone(attr)
clone = attr.cloneNode(deep)
self.assertFalse(clone.isSameNode(attr))
self.assertFalse(attr.isSameNode(clone))
self.assertIsNone(clone.ownerElement,
testName + ": ownerElement should be None")
self.confirm(clone.ownerDocument.isSameNode(attr.ownerDocument),
testName + ": ownerDocument does not match")
self.confirm(clone.specified,
testName + ": cloned attribute must have specified == True")
def testCloneAttributeShallow(self):
self.check_clone_attribute(0, "testCloneAttributeShallow")
def testCloneAttributeDeep(self):
self.check_clone_attribute(1, "testCloneAttributeDeep")
def check_clone_pi(self, deep, testName):
doc = parseString("<?target data?><doc/>")
pi = doc.firstChild
self.assertEqual(pi.nodeType, Node.PROCESSING_INSTRUCTION_NODE)
clone = pi.cloneNode(deep)
self.confirm(clone.target == pi.target
and clone.data == pi.data)
def testClonePIShallow(self):
self.check_clone_pi(0, "testClonePIShallow")
def testClonePIDeep(self):
self.check_clone_pi(1, "testClonePIDeep")
def check_clone_node_entity(self, clone_document):
# bpo-35052: Test user data handler in cloneNode() on a document with
# an entity
document = xml.dom.minidom.parseString("""
<?xml version="1.0" ?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd"
[ <!ENTITY smile "☺"> ]
>
<doc>Don't let entities make you frown &smile;</doc>
""".strip())
class Handler:
def handle(self, operation, key, data, src, dst):
self.operation = operation
self.key = key
self.data = data
self.src = src
self.dst = dst
handler = Handler()
doctype = document.doctype
entity = doctype.entities['smile']
entity.setUserData("key", "data", handler)
if clone_document:
# clone Document
clone = document.cloneNode(deep=True)
self.assertEqual(clone.documentElement.firstChild.wholeText,
"Don't let entities make you frown ☺")
operation = xml.dom.UserDataHandler.NODE_IMPORTED
dst = clone.doctype.entities['smile']
else:
# clone DocumentType
with support.swap_attr(doctype, 'ownerDocument', None):
clone = doctype.cloneNode(deep=True)
operation = xml.dom.UserDataHandler.NODE_CLONED
dst = clone.entities['smile']
self.assertEqual(handler.operation, operation)
self.assertEqual(handler.key, "key")
self.assertEqual(handler.data, "data")
self.assertIs(handler.src, entity)
self.assertIs(handler.dst, dst)
def testCloneNodeEntity(self):
self.check_clone_node_entity(False)
self.check_clone_node_entity(True)
def testNormalize(self):
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createTextNode("first"))
root.appendChild(doc.createTextNode("second"))
self.confirm(len(root.childNodes) == 2
and root.childNodes.length == 2,
"testNormalize -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 1
and root.childNodes.length == 1
and root.firstChild is root.lastChild
and root.firstChild.data == "firstsecond"
, "testNormalize -- result")
doc.unlink()
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createTextNode(""))
doc.normalize()
self.confirm(len(root.childNodes) == 0
and root.childNodes.length == 0,
"testNormalize -- single empty node removed")
doc.unlink()
def testNormalizeCombineAndNextSibling(self):
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createTextNode("first"))
root.appendChild(doc.createTextNode("second"))
root.appendChild(doc.createElement("i"))
self.confirm(len(root.childNodes) == 3
and root.childNodes.length == 3,
"testNormalizeCombineAndNextSibling -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 2
and root.childNodes.length == 2
and root.firstChild.data == "firstsecond"
and root.firstChild is not root.lastChild
and root.firstChild.nextSibling is root.lastChild
and root.firstChild.previousSibling is None
and root.lastChild.previousSibling is root.firstChild
and root.lastChild.nextSibling is None
, "testNormalizeCombinedAndNextSibling -- result")
doc.unlink()
def testNormalizeDeleteWithPrevSibling(self):
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createTextNode("first"))
root.appendChild(doc.createTextNode(""))
self.confirm(len(root.childNodes) == 2
and root.childNodes.length == 2,
"testNormalizeDeleteWithPrevSibling -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 1
and root.childNodes.length == 1
and root.firstChild.data == "first"
and root.firstChild is root.lastChild
and root.firstChild.nextSibling is None
and root.firstChild.previousSibling is None
, "testNormalizeDeleteWithPrevSibling -- result")
doc.unlink()
def testNormalizeDeleteWithNextSibling(self):
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createTextNode(""))
root.appendChild(doc.createTextNode("second"))
self.confirm(len(root.childNodes) == 2
and root.childNodes.length == 2,
"testNormalizeDeleteWithNextSibling -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 1
and root.childNodes.length == 1
and root.firstChild.data == "second"
and root.firstChild is root.lastChild
and root.firstChild.nextSibling is None
and root.firstChild.previousSibling is None
, "testNormalizeDeleteWithNextSibling -- result")
doc.unlink()
def testNormalizeDeleteWithTwoNonTextSiblings(self):
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createElement("i"))
root.appendChild(doc.createTextNode(""))
root.appendChild(doc.createElement("i"))
self.confirm(len(root.childNodes) == 3
and root.childNodes.length == 3,
"testNormalizeDeleteWithTwoSiblings -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 2
and root.childNodes.length == 2
and root.firstChild is not root.lastChild
and root.firstChild.nextSibling is root.lastChild
and root.firstChild.previousSibling is None
and root.lastChild.previousSibling is root.firstChild
and root.lastChild.nextSibling is None
, "testNormalizeDeleteWithTwoSiblings -- result")
doc.unlink()
def testNormalizeDeleteAndCombine(self):
doc = parseString("<doc/>")
root = doc.documentElement
root.appendChild(doc.createTextNode(""))
root.appendChild(doc.createTextNode("second"))
root.appendChild(doc.createTextNode(""))
root.appendChild(doc.createTextNode("fourth"))
root.appendChild(doc.createTextNode(""))
self.confirm(len(root.childNodes) == 5
and root.childNodes.length == 5,
"testNormalizeDeleteAndCombine -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 1
and root.childNodes.length == 1
and root.firstChild is root.lastChild
and root.firstChild.data == "secondfourth"
and root.firstChild.previousSibling is None
and root.firstChild.nextSibling is None
, "testNormalizeDeleteAndCombine -- result")
doc.unlink()
def testNormalizeRecursion(self):
doc = parseString("<doc>"
"<o>"
"<i/>"
"t"
#
#x
"</o>"
"<o>"
"<o>"
"t2"
#x2
"</o>"
"t3"
#x3
"</o>"
#
"</doc>")
root = doc.documentElement
root.childNodes[0].appendChild(doc.createTextNode(""))
root.childNodes[0].appendChild(doc.createTextNode("x"))
root.childNodes[1].childNodes[0].appendChild(doc.createTextNode("x2"))
root.childNodes[1].appendChild(doc.createTextNode("x3"))
root.appendChild(doc.createTextNode(""))
self.confirm(len(root.childNodes) == 3
and root.childNodes.length == 3
and len(root.childNodes[0].childNodes) == 4
and root.childNodes[0].childNodes.length == 4
and len(root.childNodes[1].childNodes) == 3
and root.childNodes[1].childNodes.length == 3
and len(root.childNodes[1].childNodes[0].childNodes) == 2
and root.childNodes[1].childNodes[0].childNodes.length == 2
, "testNormalize2 -- preparation")
doc.normalize()
self.confirm(len(root.childNodes) == 2
and root.childNodes.length == 2
and len(root.childNodes[0].childNodes) == 2
and root.childNodes[0].childNodes.length == 2
and len(root.childNodes[1].childNodes) == 2
and root.childNodes[1].childNodes.length == 2
and len(root.childNodes[1].childNodes[0].childNodes) == 1
and root.childNodes[1].childNodes[0].childNodes.length == 1
, "testNormalize2 -- childNodes lengths")
self.confirm(root.childNodes[0].childNodes[1].data == "tx"
and root.childNodes[1].childNodes[0].childNodes[0].data == "t2x2"
and root.childNodes[1].childNodes[1].data == "t3x3"
, "testNormalize2 -- joined text fields")
self.confirm(root.childNodes[0].childNodes[1].nextSibling is None
and root.childNodes[0].childNodes[1].previousSibling
is root.childNodes[0].childNodes[0]
and root.childNodes[0].childNodes[0].previousSibling is None
and root.childNodes[0].childNodes[0].nextSibling
is root.childNodes[0].childNodes[1]
and root.childNodes[1].childNodes[1].nextSibling is None
and root.childNodes[1].childNodes[1].previousSibling
is root.childNodes[1].childNodes[0]
and root.childNodes[1].childNodes[0].previousSibling is None
and root.childNodes[1].childNodes[0].nextSibling
is root.childNodes[1].childNodes[1]
, "testNormalize2 -- sibling pointers")
doc.unlink()
def testBug0777884(self):
doc = parseString("<o>text</o>")
text = doc.documentElement.childNodes[0]
self.assertEqual(text.nodeType, Node.TEXT_NODE)
# Should run quietly, doing nothing.
text.normalize()
doc.unlink()
def testBug1433694(self):
doc = parseString("<o><i/>t</o>")
node = doc.documentElement
node.childNodes[1].nodeValue = ""
node.normalize()
self.assertIsNone(node.childNodes[-1].nextSibling,
"Final child's .nextSibling should be None")
def testSiblings(self):
doc = parseString("<doc><?pi?>text?<elm/></doc>")
root = doc.documentElement
(pi, text, elm) = root.childNodes
self.confirm(pi.nextSibling is text and
pi.previousSibling is None and
text.nextSibling is elm and
text.previousSibling is pi and
elm.nextSibling is None and
elm.previousSibling is text, "testSiblings")
doc.unlink()
def testParents(self):
doc = parseString(
"<doc><elm1><elm2/><elm2><elm3/></elm2></elm1></doc>")
root = doc.documentElement
elm1 = root.childNodes[0]
(elm2a, elm2b) = elm1.childNodes
elm3 = elm2b.childNodes[0]
self.confirm(root.parentNode is doc and
elm1.parentNode is root and
elm2a.parentNode is elm1 and
elm2b.parentNode is elm1 and
elm3.parentNode is elm2b, "testParents")
doc.unlink()
def testNodeListItem(self):
doc = parseString("<doc><e/><e/></doc>")
children = doc.childNodes
docelem = children[0]
self.confirm(children[0] is children.item(0)
and children.item(1) is None
and docelem.childNodes.item(0) is docelem.childNodes[0]
and docelem.childNodes.item(1) is docelem.childNodes[1]
and docelem.childNodes.item(0).childNodes.item(0) is None,
"test NodeList.item()")
doc.unlink()
def testEncodings(self):
doc = parseString('<foo>&#x20ac;</foo>')
self.assertEqual(doc.toxml(),
'<?xml version="1.0" ?><foo>\u20ac</foo>')
self.assertEqual(doc.toxml('utf-8'),
b'<?xml version="1.0" encoding="utf-8"?><foo>\xe2\x82\xac</foo>')
self.assertEqual(doc.toxml('iso-8859-15'),
b'<?xml version="1.0" encoding="iso-8859-15"?><foo>\xa4</foo>')
self.assertEqual(doc.toxml('us-ascii'),
b'<?xml version="1.0" encoding="us-ascii"?><foo>&#8364;</foo>')
self.assertEqual(doc.toxml('utf-16'),
'<?xml version="1.0" encoding="utf-16"?>'
'<foo>\u20ac</foo>'.encode('utf-16'))
# Verify that character decoding errors raise exceptions instead
# of crashing
with self.assertRaises((UnicodeDecodeError, ExpatError)):
parseString(
b'<fran\xe7ais>Comment \xe7a va ? Tr\xe8s bien ?</fran\xe7ais>'
)
doc.unlink()
def testStandalone(self):
doc = parseString('<foo>&#x20ac;</foo>')
self.assertEqual(doc.toxml(),
'<?xml version="1.0" ?><foo>\u20ac</foo>')
self.assertEqual(doc.toxml(standalone=None),
'<?xml version="1.0" ?><foo>\u20ac</foo>')
self.assertEqual(doc.toxml(standalone=True),
'<?xml version="1.0" standalone="yes"?><foo>\u20ac</foo>')
self.assertEqual(doc.toxml(standalone=False),
'<?xml version="1.0" standalone="no"?><foo>\u20ac</foo>')
self.assertEqual(doc.toxml('utf-8', True),
b'<?xml version="1.0" encoding="utf-8" standalone="yes"?>'
b'<foo>\xe2\x82\xac</foo>')
doc.unlink()
class UserDataHandler:
called = 0
def handle(self, operation, key, data, src, dst):
dst.setUserData(key, data + 1, self)
src.setUserData(key, None, None)
self.called = 1
def testUserData(self):
dom = Document()
n = dom.createElement('e')
self.assertIsNone(n.getUserData("foo"))
n.setUserData("foo", None, None)
self.assertIsNone(n.getUserData("foo"))
n.setUserData("foo", 12, 12)
n.setUserData("bar", 13, 13)
self.assertEqual(n.getUserData("foo"), 12)
self.assertEqual(n.getUserData("bar"), 13)
n.setUserData("foo", None, None)
self.assertIsNone(n.getUserData("foo"))
self.assertEqual(n.getUserData("bar"), 13)
handler = self.UserDataHandler()
n.setUserData("bar", 12, handler)
c = n.cloneNode(1)
self.confirm(handler.called
and n.getUserData("bar") is None
and c.getUserData("bar") == 13)
n.unlink()
c.unlink()
dom.unlink()
def checkRenameNodeSharedConstraints(self, doc, node):
# Make sure illegal NS usage is detected:
self.assertRaises(xml.dom.NamespaceErr, doc.renameNode, node,
"http://xml.python.org/ns", "xmlns:foo")
doc2 = parseString("<doc/>")
self.assertRaises(xml.dom.WrongDocumentErr, doc2.renameNode, node,
xml.dom.EMPTY_NAMESPACE, "foo")
def testRenameAttribute(self):
doc = parseString("<doc a='v'/>")
elem = doc.documentElement
attrmap = elem.attributes
attr = elem.attributes['a']
# Simple renaming
attr = doc.renameNode(attr, xml.dom.EMPTY_NAMESPACE, "b")
self.confirm(attr.name == "b"
and attr.nodeName == "b"
and attr.localName is None
and attr.namespaceURI == xml.dom.EMPTY_NAMESPACE
and attr.prefix is None
and attr.value == "v"
and elem.getAttributeNode("a") is None
and elem.getAttributeNode("b").isSameNode(attr)
and attrmap["b"].isSameNode(attr)
and attr.ownerDocument.isSameNode(doc)
and attr.ownerElement.isSameNode(elem))
# Rename to have a namespace, no prefix
attr = doc.renameNode(attr, "http://xml.python.org/ns", "c")
self.confirm(attr.name == "c"
and attr.nodeName == "c"
and attr.localName == "c"
and attr.namespaceURI == "http://xml.python.org/ns"
and attr.prefix is None
and attr.value == "v"
and elem.getAttributeNode("a") is None
and elem.getAttributeNode("b") is None
and elem.getAttributeNode("c").isSameNode(attr)
and elem.getAttributeNodeNS(
"http://xml.python.org/ns", "c").isSameNode(attr)
and attrmap["c"].isSameNode(attr)
and attrmap[("http://xml.python.org/ns", "c")].isSameNode(attr))
# Rename to have a namespace, with prefix
attr = doc.renameNode(attr, "http://xml.python.org/ns2", "p:d")
self.confirm(attr.name == "p:d"
and attr.nodeName == "p:d"
and attr.localName == "d"
and attr.namespaceURI == "http://xml.python.org/ns2"
and attr.prefix == "p"
and attr.value == "v"
and elem.getAttributeNode("a") is None
and elem.getAttributeNode("b") is None
and elem.getAttributeNode("c") is None
and elem.getAttributeNodeNS(
"http://xml.python.org/ns", "c") is None
and elem.getAttributeNode("p:d").isSameNode(attr)
and elem.getAttributeNodeNS(
"http://xml.python.org/ns2", "d").isSameNode(attr)
and attrmap["p:d"].isSameNode(attr)
and attrmap[("http://xml.python.org/ns2", "d")].isSameNode(attr))
# Rename back to a simple non-NS node
attr = doc.renameNode(attr, xml.dom.EMPTY_NAMESPACE, "e")
self.confirm(attr.name == "e"
and attr.nodeName == "e"
and attr.localName is None
and attr.namespaceURI == xml.dom.EMPTY_NAMESPACE
and attr.prefix is None
and attr.value == "v"
and elem.getAttributeNode("a") is None
and elem.getAttributeNode("b") is None
and elem.getAttributeNode("c") is None
and elem.getAttributeNode("p:d") is None
and elem.getAttributeNodeNS(
"http://xml.python.org/ns", "c") is None
and elem.getAttributeNode("e").isSameNode(attr)
and attrmap["e"].isSameNode(attr))
self.assertRaises(xml.dom.NamespaceErr, doc.renameNode, attr,
"http://xml.python.org/ns", "xmlns")
self.checkRenameNodeSharedConstraints(doc, attr)
doc.unlink()
def testRenameElement(self):
doc = parseString("<doc/>")
elem = doc.documentElement
# Simple renaming
elem = doc.renameNode(elem, xml.dom.EMPTY_NAMESPACE, "a")
self.confirm(elem.tagName == "a"
and elem.nodeName == "a"
and elem.localName is None
and elem.namespaceURI == xml.dom.EMPTY_NAMESPACE
and elem.prefix is None
and elem.ownerDocument.isSameNode(doc))
# Rename to have a namespace, no prefix
elem = doc.renameNode(elem, "http://xml.python.org/ns", "b")
self.confirm(elem.tagName == "b"
and elem.nodeName == "b"
and elem.localName == "b"
and elem.namespaceURI == "http://xml.python.org/ns"
and elem.prefix is None
and elem.ownerDocument.isSameNode(doc))
# Rename to have a namespace, with prefix
elem = doc.renameNode(elem, "http://xml.python.org/ns2", "p:c")
self.confirm(elem.tagName == "p:c"
and elem.nodeName == "p:c"
and elem.localName == "c"
and elem.namespaceURI == "http://xml.python.org/ns2"
and elem.prefix == "p"
and elem.ownerDocument.isSameNode(doc))
# Rename back to a simple non-NS node
elem = doc.renameNode(elem, xml.dom.EMPTY_NAMESPACE, "d")
self.confirm(elem.tagName == "d"
and elem.nodeName == "d"
and elem.localName is None
and elem.namespaceURI == xml.dom.EMPTY_NAMESPACE
and elem.prefix is None
and elem.ownerDocument.isSameNode(doc))
self.checkRenameNodeSharedConstraints(doc, elem)
doc.unlink()
def testRenameOther(self):
# We have to create a comment node explicitly since not all DOM
# builders used with minidom add comments to the DOM.
doc = xml.dom.minidom.getDOMImplementation().createDocument(
xml.dom.EMPTY_NAMESPACE, "e", None)
node = doc.createComment("comment")
self.assertRaises(xml.dom.NotSupportedErr, doc.renameNode, node,
xml.dom.EMPTY_NAMESPACE, "foo")
doc.unlink()
def testWholeText(self):
doc = parseString("<doc>a</doc>")
elem = doc.documentElement
text = elem.childNodes[0]
self.assertEqual(text.nodeType, Node.TEXT_NODE)
self.checkWholeText(text, "a")
elem.appendChild(doc.createTextNode("b"))
self.checkWholeText(text, "ab")
elem.insertBefore(doc.createCDATASection("c"), text)
self.checkWholeText(text, "cab")
# make sure we don't cross other nodes
splitter = doc.createComment("comment")
elem.appendChild(splitter)
text2 = doc.createTextNode("d")
elem.appendChild(text2)
self.checkWholeText(text, "cab")
self.checkWholeText(text2, "d")
x = doc.createElement("x")
elem.replaceChild(x, splitter)
splitter = x
self.checkWholeText(text, "cab")
self.checkWholeText(text2, "d")
x = doc.createProcessingInstruction("y", "z")
elem.replaceChild(x, splitter)
splitter = x
self.checkWholeText(text, "cab")
self.checkWholeText(text2, "d")
elem.removeChild(splitter)
self.checkWholeText(text, "cabd")
self.checkWholeText(text2, "cabd")
def testPatch1094164(self):
doc = parseString("<doc><e/></doc>")
elem = doc.documentElement
e = elem.firstChild
self.assertIs(e.parentNode, elem, "Before replaceChild()")
# Check that replacing a child with itself leaves the tree unchanged
elem.replaceChild(e, e)
self.assertIs(e.parentNode, elem, "After replaceChild()")
def testReplaceWholeText(self):
def setup():
doc = parseString("<doc>a<e/>d</doc>")
elem = doc.documentElement
text1 = elem.firstChild
text2 = elem.lastChild
splitter = text1.nextSibling
elem.insertBefore(doc.createTextNode("b"), splitter)
elem.insertBefore(doc.createCDATASection("c"), text1)
return doc, elem, text1, splitter, text2
doc, elem, text1, splitter, text2 = setup()
text = text1.replaceWholeText("new content")
self.checkWholeText(text, "new content")
self.checkWholeText(text2, "d")
self.assertEqual(len(elem.childNodes), 3)
doc, elem, text1, splitter, text2 = setup()
text = text2.replaceWholeText("new content")
self.checkWholeText(text, "new content")
self.checkWholeText(text1, "cab")
self.assertEqual(len(elem.childNodes), 5)
doc, elem, text1, splitter, text2 = setup()
text = text1.replaceWholeText("")
self.checkWholeText(text2, "d")
self.confirm(text is None
and len(elem.childNodes) == 2)
def testSchemaType(self):
doc = parseString(
"<!DOCTYPE doc [\n"
" <!ENTITY e1 SYSTEM 'http://xml.python.org/e1'>\n"
" <!ENTITY e2 SYSTEM 'http://xml.python.org/e2'>\n"
" <!ATTLIST doc id ID #IMPLIED \n"
" ref IDREF #IMPLIED \n"
" refs IDREFS #IMPLIED \n"
" enum (a|b) #IMPLIED \n"
" ent ENTITY #IMPLIED \n"
" ents ENTITIES #IMPLIED \n"
" nm NMTOKEN #IMPLIED \n"
" nms NMTOKENS #IMPLIED \n"
" text CDATA #IMPLIED \n"
" >\n"
"]><doc id='name' notid='name' text='splat!' enum='b'"
" ref='name' refs='name name' ent='e1' ents='e1 e2'"
" nm='123' nms='123 abc' />")
elem = doc.documentElement
# We don't want to rely on any specific loader at this point, so
# just make sure we can get to all the names, and that the
# DTD-based namespace is right. The names can vary by loader
# since each supports a different level of DTD information.
t = elem.schemaType
self.confirm(t.name is None
and t.namespace == xml.dom.EMPTY_NAMESPACE)
names = "id notid text enum ref refs ent ents nm nms".split()
for name in names:
a = elem.getAttributeNode(name)
t = a.schemaType
self.confirm(hasattr(t, "name")
and t.namespace == xml.dom.EMPTY_NAMESPACE)
def testSetIdAttribute(self):
doc = parseString("<doc a1='v' a2='w'/>")
e = doc.documentElement
a1 = e.getAttributeNode("a1")
a2 = e.getAttributeNode("a2")
self.confirm(doc.getElementById("v") is None
and not a1.isId
and not a2.isId)
e.setIdAttribute("a1")
self.confirm(e.isSameNode(doc.getElementById("v"))
and a1.isId
and not a2.isId)
e.setIdAttribute("a2")
self.confirm(e.isSameNode(doc.getElementById("v"))
and e.isSameNode(doc.getElementById("w"))
and a1.isId
and a2.isId)
# replace the a1 node; the new node should *not* be an ID
a3 = doc.createAttribute("a1")
a3.value = "v"
e.setAttributeNode(a3)
self.confirm(doc.getElementById("v") is None
and e.isSameNode(doc.getElementById("w"))
and not a1.isId
and a2.isId
and not a3.isId)
# renaming an attribute should not affect its ID-ness:
doc.renameNode(a2, xml.dom.EMPTY_NAMESPACE, "an")
self.confirm(e.isSameNode(doc.getElementById("w"))
and a2.isId)
def testSetIdAttributeNS(self):
NS1 = "http://xml.python.org/ns1"
NS2 = "http://xml.python.org/ns2"
doc = parseString("<doc"
" xmlns:ns1='" + NS1 + "'"
" xmlns:ns2='" + NS2 + "'"
" ns1:a1='v' ns2:a2='w'/>")
e = doc.documentElement
a1 = e.getAttributeNodeNS(NS1, "a1")
a2 = e.getAttributeNodeNS(NS2, "a2")
self.confirm(doc.getElementById("v") is None
and not a1.isId
and not a2.isId)
e.setIdAttributeNS(NS1, "a1")
self.confirm(e.isSameNode(doc.getElementById("v"))
and a1.isId
and not a2.isId)
e.setIdAttributeNS(NS2, "a2")
self.confirm(e.isSameNode(doc.getElementById("v"))
and e.isSameNode(doc.getElementById("w"))
and a1.isId
and a2.isId)
# replace the a1 node; the new node should *not* be an ID
a3 = doc.createAttributeNS(NS1, "a1")
a3.value = "v"
e.setAttributeNode(a3)
self.assertTrue(e.isSameNode(doc.getElementById("w")))
self.assertFalse(a1.isId)
self.assertTrue(a2.isId)
self.assertFalse(a3.isId)
self.assertIsNone(doc.getElementById("v"))
# renaming an attribute should not affect its ID-ness:
doc.renameNode(a2, xml.dom.EMPTY_NAMESPACE, "an")
self.confirm(e.isSameNode(doc.getElementById("w"))
and a2.isId)
def testSetIdAttributeNode(self):
NS1 = "http://xml.python.org/ns1"
NS2 = "http://xml.python.org/ns2"
doc = parseString("<doc"
" xmlns:ns1='" + NS1 + "'"
" xmlns:ns2='" + NS2 + "'"
" ns1:a1='v' ns2:a2='w'/>")
e = doc.documentElement
a1 = e.getAttributeNodeNS(NS1, "a1")
a2 = e.getAttributeNodeNS(NS2, "a2")
self.confirm(doc.getElementById("v") is None
and not a1.isId
and not a2.isId)
e.setIdAttributeNode(a1)
self.confirm(e.isSameNode(doc.getElementById("v"))
and a1.isId
and not a2.isId)
e.setIdAttributeNode(a2)
self.confirm(e.isSameNode(doc.getElementById("v"))
and e.isSameNode(doc.getElementById("w"))
and a1.isId
and a2.isId)
# replace the a1 node; the new node should *not* be an ID
a3 = doc.createAttributeNS(NS1, "a1")
a3.value = "v"
e.setAttributeNode(a3)
self.assertTrue(e.isSameNode(doc.getElementById("w")))
self.assertFalse(a1.isId)
self.assertTrue(a2.isId)
self.assertFalse(a3.isId)
self.assertIsNone(doc.getElementById("v"))
# renaming an attribute should not affect its ID-ness:
doc.renameNode(a2, xml.dom.EMPTY_NAMESPACE, "an")
self.confirm(e.isSameNode(doc.getElementById("w"))
and a2.isId)
def assert_recursive_equal(self, doc, doc2):
stack = [(doc, doc2)]
while stack:
n1, n2 = stack.pop()
self.assertEqual(n1.nodeType, n2.nodeType)
self.assertEqual(len(n1.childNodes), len(n2.childNodes))
self.assertEqual(n1.nodeName, n2.nodeName)
self.assertFalse(n1.isSameNode(n2))
self.assertFalse(n2.isSameNode(n1))
if n1.nodeType == Node.DOCUMENT_TYPE_NODE:
len(n1.entities)
len(n2.entities)
len(n1.notations)
len(n2.notations)
self.assertEqual(len(n1.entities), len(n2.entities))
self.assertEqual(len(n1.notations), len(n2.notations))
for i in range(len(n1.notations)):
# XXX this loop body doesn't seem to be executed?
no1 = n1.notations.item(i)
no2 = n1.notations.item(i)
self.assertEqual(no1.name, no2.name)
self.assertEqual(no1.publicId, no2.publicId)
self.assertEqual(no1.systemId, no2.systemId)
stack.append((no1, no2))
for i in range(len(n1.entities)):
e1 = n1.entities.item(i)
e2 = n2.entities.item(i)
self.assertEqual(e1.notationName, e2.notationName)
self.assertEqual(e1.publicId, e2.publicId)
self.assertEqual(e1.systemId, e2.systemId)
stack.append((e1, e2))
if n1.nodeType != Node.DOCUMENT_NODE:
self.assertTrue(n1.ownerDocument.isSameNode(doc))
self.assertTrue(n2.ownerDocument.isSameNode(doc2))
for i in range(len(n1.childNodes)):
stack.append((n1.childNodes[i], n2.childNodes[i]))
def testPickledDocument(self):
doc = parseString(sample)
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(doc, proto)
doc2 = pickle.loads(s)
self.assert_recursive_equal(doc, doc2)
def testDeepcopiedDocument(self):
doc = parseString(sample)
doc2 = copy.deepcopy(doc)
self.assert_recursive_equal(doc, doc2)
def testSerializeCommentNodeWithDoubleHyphen(self):
doc = create_doc_without_doctype()
doc.appendChild(doc.createComment("foo--bar"))
self.assertRaises(ValueError, doc.toxml)
def testEmptyXMLNSValue(self):
doc = parseString("<element xmlns=''>\n"
"<foo/>\n</element>")
doc2 = parseString(doc.toxml())
self.assertEqual(doc2.namespaceURI, xml.dom.EMPTY_NAMESPACE)
def testExceptionOnSpacesInXMLNSValue(self):
with self.assertRaises((ValueError, ExpatError)):
parseString(
'<element xmlns:abc="http:abc.com/de f g/hi/j k">' +
'<abc:foo /></element>'
)
def testDocRemoveChild(self):
doc = parse(tstfile)
title_tag = doc.documentElement.getElementsByTagName("TITLE")[0]
self.assertRaises( xml.dom.NotFoundErr, doc.removeChild, title_tag)
num_children_before = len(doc.childNodes)
doc.removeChild(doc.childNodes[0])
num_children_after = len(doc.childNodes)
self.assertEqual(num_children_after, num_children_before - 1)
def testProcessingInstructionNameError(self):
# wrong variable in .nodeValue property will
# lead to "NameError: name 'data' is not defined"
doc = parse(tstfile)
pi = doc.createProcessingInstruction("y", "z")
pi.nodeValue = "crash"
def test_minidom_attribute_order(self):
xml_str = '<?xml version="1.0" ?><curriculum status="public" company="example"/>'
doc = parseString(xml_str)
output = io.StringIO()
doc.writexml(output)
self.assertEqual(output.getvalue(), xml_str)
def test_toxml_with_attributes_ordered(self):
xml_str = '<?xml version="1.0" ?><curriculum status="public" company="example"/>'
doc = parseString(xml_str)
self.assertEqual(doc.toxml(), xml_str)
def test_toprettyxml_with_attributes_ordered(self):
xml_str = '<?xml version="1.0" ?><curriculum status="public" company="example"/>'
doc = parseString(xml_str)
self.assertEqual(doc.toprettyxml(),
'<?xml version="1.0" ?>\n'
'<curriculum status="public" company="example"/>\n')
def test_toprettyxml_with_cdata(self):
xml_str = '<?xml version="1.0" ?><root><node><![CDATA[</data>]]></node></root>'
doc = parseString(xml_str)
self.assertEqual(doc.toprettyxml(),
'<?xml version="1.0" ?>\n'
'<root>\n'
'\t<node><![CDATA[</data>]]></node>\n'
'</root>\n')
def test_cdata_parsing(self):
xml_str = '<?xml version="1.0" ?><root><node><![CDATA[</data>]]></node></root>'
dom1 = parseString(xml_str)
self.checkWholeText(dom1.getElementsByTagName('node')[0].firstChild, '</data>')
dom2 = parseString(dom1.toprettyxml())
self.checkWholeText(dom2.getElementsByTagName('node')[0].firstChild, '</data>')
def testNamespaceErr(self):
doc = parseString("<doc/>")
elem = doc.documentElement
XML_NS = xml.dom.XML_NAMESPACE
XMLNS_NS = xml.dom.XMLNS_NAMESPACE
for namespaceURI, qname in [
(None, "p:e"), # a prefix without a namespace
("", "p:e"),
("http://xml.python.org/ns", "p:p:e"), # malformed
("http://xml.python.org/ns", "p:"),
("http://xml.python.org/ns", "p:1e"),
("http://xml.python.org/ns", "xml:e"), # the xml prefix
]:
with self.subTest(namespaceURI=namespaceURI, qname=qname):
self.assertRaises(xml.dom.NamespaceErr,
doc.createElementNS, namespaceURI, qname)
self.assertRaises(xml.dom.NamespaceErr,
doc.createAttributeNS, namespaceURI, qname)
self.assertRaises(xml.dom.NamespaceErr,
elem.setAttributeNS, namespaceURI, qname, "v")
# the xmlns name and prefix are only allowed in the XMLNS namespace
for namespaceURI, qname in [
("http://xml.python.org/ns", "xmlns"),
("http://xml.python.org/ns", "xmlns:p"),
(None, "xmlns:p"),
(XMLNS_NS, "p:a"), # and it allows nothing else
(XMLNS_NS, "a"),
]:
with self.subTest(namespaceURI=namespaceURI, qname=qname):
self.assertRaises(xml.dom.NamespaceErr,
doc.createAttributeNS, namespaceURI, qname)
self.assertRaises(xml.dom.NamespaceErr,
elem.setAttributeNS, namespaceURI, qname, "v")
# valid combinations
doc.createElementNS(None, "e")
doc.createElementNS("http://xml.python.org/ns", "p:e")
doc.createElementNS(XML_NS, "xml:e")
doc.createAttributeNS(None, "a")
doc.createAttributeNS(XML_NS, "xml:lang")
doc.createAttributeNS(XMLNS_NS, "xmlns")
doc.createAttributeNS(XMLNS_NS, "xmlns:p")
elem.setAttributeNS("http://xml.python.org/ns", "p:a", "v")
doc.unlink()
def testAttrPrefix(self):
doc = parseString("<doc/>")
attr = doc.createAttributeNS("http://xml.python.org/ns", "p:a")
self.assertRaises(xml.dom.InvalidCharacterErr,
setattr, attr, "prefix", "q:r")
self.assertRaises(xml.dom.InvalidCharacterErr,
setattr, attr, "prefix", "1q")
self.assertRaises(xml.dom.NamespaceErr,
setattr, attr, "prefix", "xml")
self.assertRaises(xml.dom.NamespaceErr,
setattr, attr, "prefix", "xmlns")
attr.prefix = "q"
self.assertEqual(attr.name, "q:a")
attr.prefix = None
self.assertEqual(attr.name, "a")
doc.unlink()
def testInvalidCharacterErr(self):
doc = parseString("<doc/>")
impl = getDOMImplementation()
for name in ("", "bad name", "1st", "-x", ".x", "a<b", "a&b", "a\tb"):
with self.subTest(name=name):
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.createElement, name)
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.createElementNS, None, name)
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.createAttribute, name)
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.createAttributeNS, None, name)
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.createProcessingInstruction, name, "")
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.createEntityReference, name)
self.assertRaises(xml.dom.InvalidCharacterErr,
impl.createDocumentType, name, None, None)
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.documentElement.setAttribute, name, "v")
self.assertRaises(xml.dom.InvalidCharacterErr,
doc.documentElement.setAttributeNS,
None, name, "v")
for name in ("a", "_x", ":x", "a.b-c", "ns:tag", "a1",
"\N{GREEK CAPITAL LETTER OMEGA}", "\N{LINEAR B SYLLABLE B008 A}x"):
with self.subTest(name=name):
self.assertEqual(doc.createElement(name).tagName, name)
self.assertEqual(doc.createAttribute(name).name, name)
doc.unlink()
def testWrongDocumentErr(self):
doc = parseString("<doc><child/></doc>")
other = parseString("<other/>")
elem = doc.documentElement
alien = other.createElement("alien")
self.assertRaises(xml.dom.WrongDocumentErr, elem.appendChild, alien)
self.assertRaises(xml.dom.WrongDocumentErr, elem.insertBefore,
alien, elem.firstChild)
self.assertRaises(xml.dom.WrongDocumentErr, elem.replaceChild,
alien, elem.firstChild)
self.assertRaises(xml.dom.WrongDocumentErr, doc.appendChild, alien)
# the rejected node is left alone
self.assertIs(alien.ownerDocument, other)
self.assertIsNone(alien.parentNode)
# importNode() is the supported way to do this
elem.appendChild(doc.importNode(alien, True))
self.assertEqual(elem.lastChild.tagName, "alien")
doc.unlink()
other.unlink()
def testAncestorLoops(self):
doc = parseString("<doc><child><grandchild/></child></doc>")
elem = doc.documentElement
child = elem.firstChild
grandchild = child.firstChild
for node in elem, child, grandchild:
self.assertRaises(xml.dom.HierarchyRequestErr,
node.appendChild, node)
self.assertRaises(xml.dom.HierarchyRequestErr, child.appendChild, elem)
self.assertRaises(xml.dom.HierarchyRequestErr,
grandchild.appendChild, elem)
self.assertRaises(xml.dom.HierarchyRequestErr,
grandchild.insertBefore, child, None)
self.assertRaises(xml.dom.HierarchyRequestErr,
grandchild.replaceChild, elem, None)
# the tree is unchanged
self.assertIs(child.parentNode, elem)
self.assertIs(grandchild.parentNode, child)
doc.unlink()
def testOnlyOneElementAndDocumentType(self):
impl = getDOMImplementation()
doc = impl.createDocument(None, "root", None)
elem = doc.documentElement
comment = doc.appendChild(doc.createComment("c"))
self.assertRaises(xml.dom.HierarchyRequestErr,
doc.appendChild, doc.createElement("x"))
self.assertRaises(xml.dom.HierarchyRequestErr,
doc.insertBefore, doc.createElement("x"), comment)
self.assertRaises(xml.dom.HierarchyRequestErr,
doc.replaceChild, doc.createElement("x"), comment)
# replacing the document element and reordering it are allowed
other = doc.createElement("other")
doc.replaceChild(other, elem)
self.assertIs(doc.documentElement, other)
doc.appendChild(other)
self.assertEqual([n.nodeName for n in doc.childNodes],
["#comment", "other"])
doc2 = impl.createDocument(None, None, None)
doctype = impl.createDocumentType("a", None, None)
doc2.appendChild(doctype)
self.assertRaises(xml.dom.HierarchyRequestErr, doc2.appendChild,
impl.createDocumentType("b", None, None))
# re-adding the same node and replacing it are allowed
doc2.appendChild(doctype)
doc2.replaceChild(impl.createDocumentType("b", None, None), doctype)
doc.unlink()
doc2.unlink()
def testDocumentFragmentChildren(self):
doc = parseString('<!DOCTYPE doc [<!NOTATION n SYSTEM "n">]><doc/>')
frag = doc.createDocumentFragment()
notation = doc.doctype.notations.item(0)
self.assertRaises(xml.dom.HierarchyRequestErr,
frag.appendChild, notation)
frag.appendChild(doc.createElement("e"))
frag.appendChild(doc.createTextNode("t"))
frag.appendChild(doc.createComment("c"))
self.assertEqual(len(frag.childNodes), 3)
doc.unlink()
def testSetAttributeNodeWrongDocument(self):
doc = parseString("<doc a='v'/>")
other = parseString("<other b='w'/>")
elem = doc.documentElement
self.assertRaises(xml.dom.WrongDocumentErr, elem.setAttributeNode,
other.createAttribute("z"))
self.assertRaises(xml.dom.WrongDocumentErr, elem.setAttributeNodeNS,
other.createAttributeNS(None, "z"))
# an imported attribute belongs to this document and is accepted
elem.setAttributeNode(doc.importNode(other.createAttribute("z"), True))
self.assertTrue(elem.hasAttribute("z"))
# re-setting an own attribute is not an error
elem.setAttributeNode(elem.getAttributeNode("a"))
# the same checks are applied in NamedNodeMap.setNamedItem()
attrs = elem.attributes
self.assertRaises(xml.dom.WrongDocumentErr, attrs.setNamedItem,
other.createAttribute("y"))
self.assertRaises(xml.dom.WrongDocumentErr, attrs.setNamedItemNS,
other.createAttributeNS(None, "y"))
attrs.setNamedItem(doc.createAttribute("y"))
self.assertTrue(elem.hasAttribute("y"))
# an attribute of another element of the same document is in use
doc2 = parseString("<doc><a x='v'/><b/></doc>")
a, b = doc2.documentElement.childNodes
self.assertRaises(xml.dom.InuseAttributeErr, b.attributes.setNamedItem,
a.getAttributeNode("x"))
doc2.unlink()
doc.unlink()
other.unlink()
def testAttrSpecified(self):
doc = parseString("<!DOCTYPE doc ["
" <!ELEMENT doc EMPTY>"
" <!ATTLIST doc a CDATA 'default' b CDATA #IMPLIED>"
"]><doc b='given'/>")
elem = doc.documentElement
# attributes defaulted from the DTD are reported too
self.assertEqual(sorted(elem.attributes.keys()), ["a", "b"])
self.assertEqual(elem.getAttribute("a"), "default")
self.assertFalse(elem.getAttributeNode("a").specified)
self.assertEqual(elem.getAttribute("b"), "given")
self.assertTrue(elem.getAttributeNode("b").specified)
doc.unlink()
def testEntityReference(self):
doc = parseString("<doc/>")
ref = doc.createEntityReference("ent")
self.assertEqual(ref.nodeType, Node.ENTITY_REFERENCE_NODE)
self.assertEqual(ref.nodeName, "ent")
self.assertIsNone(ref.nodeValue)
self.assertIs(ref.ownerDocument, doc)
doc.documentElement.appendChild(ref)
self.assertEqual(doc.documentElement.toxml(), "<doc>&ent;</doc>")
# entity reference nodes are read-only
text = doc.createTextNode("x")
self.assertRaises(xml.dom.NoModificationAllowedErr,
ref.appendChild, text)
self.assertRaises(xml.dom.NoModificationAllowedErr,
ref.insertBefore, text, None)
self.assertRaises(xml.dom.NoModificationAllowedErr,
ref.removeChild, text)
self.assertRaises(xml.dom.NoModificationAllowedErr,
ref.replaceChild, text, None)
self.assertEqual(ref.cloneNode(True).nodeName, "ent")
other = parseString("<other/>")
self.assertEqual(other.importNode(ref, True).nodeName, "ent")
doc.unlink()
other.unlink()
if __name__ == "__main__":
unittest.main()