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✏️ test_minidom.py

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# test for xml.dom.minidom

import copy
import pickle
from StringIO import StringIO
from test import support
import unittest

import pyexpat
import xml.dom
import xml.dom.minidom
import xml.parsers.expat

from xml.dom.minidom import parse, Node, Document, 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?>  <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.confirm(t == s, "looking for %s, found %s" % (repr(s), repr(t)))

def testParseFromFile(self):
        dom = parse(StringIO(open(tstfile).read()))
        dom.unlink()
        self.confirm(isinstance(dom,Document))

def testGetElementsByTagName(self):
        dom = parse(tstfile)
        self.confirm(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.confirm(len(root.childNodes) == 2
 and root.childNodes.length == 2
 and root.childNodes[0] is nelem
 and root.childNodes.item(0) is nelem
 and root.childNodes[1] is elem
 and root.childNodes.item(1) is elem
 and root.firstChild is nelem
 and root.lastChild is elem
 and root.toxml() == "<doc><element/><foo/></doc>"
 , "testInsertBefore -- node properly placed in tree")
 nelem = dom.createElement("element")
 root.insertBefore(nelem, None)
 self.confirm(len(root.childNodes) == 3
 and root.childNodes.length == 3
 and root.childNodes[1] is elem
 and root.childNodes.item(1) is elem
 and root.childNodes[2] is nelem
 and root.childNodes.item(2) is nelem
 and root.lastChild is nelem
 and nelem.previousSibling is elem
 and root.toxml() == "<doc><element/><foo/><element/></doc>"
 , "testInsertBefore -- node properly placed in tree")
 nelem2 = dom.createElement("bar")
 root.insertBefore(nelem2, nelem)
 self.confirm(len(root.childNodes) == 4
 and root.childNodes.length == 4
 and root.childNodes[2] is nelem2
 and root.childNodes.item(2) is nelem2
 and root.childNodes[3] is nelem
 and root.childNodes.item(3) is nelem
 and nelem2.nextSibling is nelem
 and nelem.previousSibling is nelem2
 and root.toxml() ==
 "<doc><element/><foo/><bar/><element/></doc>"
 , "testInsertBefore -- node properly placed in tree")
 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.confirm(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.confirm(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(u"Hello"))
        self.confirm(dom.documentElement.childNodes[-1].nodeName == "#comment")
        self.confirm(dom.documentElement.childNodes[-1].data == "Hello")
        dom.unlink()

def testAppendChildFragment(self):
 dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
 dom.documentElement.appendChild(frag)
 self.confirm(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.confirm(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.confirm(a.ownerDocument is dom,
                "NamedNodeMap.__setitem__() sets ownerDocument")
        self.confirm(a.ownerElement is elem,
                "NamedNodeMap.__setitem__() sets ownerElement")
        self.confirm(a.value == "bar",
                "NamedNodeMap.__setitem__() sets value")
        self.confirm(a.nodeValue == "bar",
                "NamedNodeMap.__setitem__() sets nodeValue")
        elem.unlink()
        dom.unlink()

def testNonZero(self):
        dom = parse(tstfile)
        self.confirm(dom)# should not be zero
        dom.appendChild(dom.createComment("foo"))
        self.confirm(not dom.childNodes[-1].childNodes)
        dom.unlink()

def testUnlink(self):
        dom = parse(tstfile)
        dom.unlink()

def testElement(self):
        dom = Document()
        dom.appendChild(dom.createElement("abc"))
        self.confirm(dom.documentElement)
        dom.unlink()

def testAAA(self):
 dom = parseString("<abc/>")
 el = dom.documentElement
 el.setAttribute("spam", "jam2")
 self.confirm(el.toxml() == '<abc spam="jam2"/>', "testAAA")
 a = el.getAttributeNode("spam")
 self.confirm(a.ownerDocument is dom,
 "setAttribute() sets ownerDocument")
 self.confirm(a.ownerElement is 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.confirm(el.toxml() == '<abc spam="jam2"/>', "testAAB")
 dom.unlink()

def testAddAttr(self):
        dom = Document()
        child = dom.appendChild(dom.createElement("abc"))

child.setAttribute("def", "ghi")
        self.confirm(child.getAttribute("def") == "ghi")
        self.confirm(child.attributes["def"].value == "ghi")

child.setAttribute("jkl", "mno")
        self.confirm(child.getAttribute("jkl") == "mno")
        self.confirm(child.attributes["jkl"].value == "mno")

self.confirm(len(child.attributes) == 2)

child.setAttribute("def", "newval")
        self.confirm(child.getAttribute("def") == "newval")
        self.confirm(child.attributes["def"].value == "newval")

self.confirm(len(child.attributes) == 2)
        dom.unlink()

def testDeleteAttr(self):
        dom = Document()
        child = dom.appendChild(dom.createElement("abc"))

self.confirm(len(child.attributes) == 0)
        child.setAttribute("def", "ghi")
        self.confirm(len(child.attributes) == 1)
        del child.attributes["def"]
        self.confirm(len(child.attributes) == 0)
        dom.unlink()

def testRemoveAttr(self):
        dom = Document()
        child = dom.appendChild(dom.createElement("abc"))

child.setAttribute("def", "ghi")
        self.confirm(len(child.attributes) == 1)
        child.removeAttribute("def")
        self.confirm(len(child.attributes) == 0)
        dom.unlink()

def testRemoveAttrNS(self):
        dom = Document()
        child = dom.appendChild(
                dom.createElementNS("http://www.python.org", "python:abc"))
        child.setAttributeNS("http://www.w3.org", "xmlns:python",
                                                "http://www.python.org")
        child.setAttributeNS("http://www.python.org", "python:abcattr", "foo")
        self.confirm(len(child.attributes) == 2)
        child.removeAttributeNS("http://www.python.org", "abcattr")
        self.confirm(len(child.attributes) == 1)
        dom.unlink()

def testRemoveAttributeNode(self):
        dom = Document()
        child = dom.appendChild(dom.createElement("foo"))
        child.setAttribute("spam", "jam")
        self.confirm(len(child.attributes) == 1)
        node = child.getAttributeNode("spam")
        child.removeAttributeNode(node)
        self.confirm(len(child.attributes) == 0
                and child.getAttributeNode("spam") is None)
        dom.unlink()

def testChangeAttr(self):
 dom = parseString("<abc/>")
 el = dom.documentElement
 el.setAttribute("spam", "jam")
 self.confirm(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.confirm(len(el.attributes) == 1
 and el.attributes["spam"].value == "bam"
 and el.attributes["spam"].nodeValue == "bam"
 and el.getAttribute("spam") == "bam"
 and el.getAttributeNode("spam").isId)
 el.attributes["spam"] = "ham"
 self.confirm(len(el.attributes) == 1
 and el.attributes["spam"].value == "ham"
 and el.attributes["spam"].nodeValue == "ham"
 and el.getAttribute("spam") == "ham"
 and el.attributes["spam"].isId)
 el.setAttribute("spam2", "bam")
 self.confirm(len(el.attributes) == 2
 and el.attributes["spam"].value == "ham"
 and el.attributes["spam"].nodeValue == "ham"
 and el.getAttribute("spam") == "ham"
 and el.attributes["spam2"].value == "bam"
 and el.attributes["spam2"].nodeValue == "bam"
 and el.getAttribute("spam2") == "bam")
 el.attributes["spam2"] = "bam2"
 self.confirm(len(el.attributes) == 2
 and el.attributes["spam"].value == "ham"
 and el.attributes["spam"].nodeValue == "ham"
 and el.getAttribute("spam") == "ham"
 and el.attributes["spam2"].value == "bam2"
 and el.attributes["spam2"].nodeValue == "bam2"
 and el.getAttribute("spam2") == "bam2")
 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.confirm(len(elems) == 1
 and elems[0].namespaceURI == "http://pyxml.sf.net/minidom"
 and elems[0].localName == "myelem"
 and elems[0].prefix == "minidom"
 and elems[0].tagName == "minidom:myelem"
 and 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.confirm(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.confirm(string1 == string2)
        dom.unlink()

def testElementReprAndStrUnicode(self):
        dom = Document()
        el = dom.appendChild(dom.createElement(u"abc"))
        string1 = repr(el)
        string2 = str(el)
        self.confirm(string1 == string2)
        dom.unlink()

def testElementReprAndStrUnicodeNS(self):
        dom = Document()
        el = dom.appendChild(
            dom.createElementNS(u"http://www.slashdot.org", u"slash:abc"))
        string1 = repr(el)
        string2 = str(el)
        self.confirm(string1 == string2)
        self.confirm("slash:abc" in string1)
        dom.unlink()

def testAttributeRepr(self):
        dom = Document()
        el = dom.appendChild(dom.createElement(u"abc"))
        node = el.setAttribute("abc", "def")
        self.confirm(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.confirm(str == domstr)

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.confirm(domstr == str.replace("\n", "\r\n"))

def test_toprettyxml_with_text_nodes(self):
 # see issue #4147, text nodes are not indented
 decl = '<?xml version="1.0" ?>\n'
 self.assertEqual(parseString('A').toprettyxml(),
 decl + 'A\n')
 self.assertEqual(parseString('<C>AA</C>').toprettyxml(),
 decl + '<C>\n\tA\n\tA\n</C>\n')
 self.assertEqual(parseString('<C>AA</C>').toprettyxml(),
 decl + '<C>\n\tA\n\tA\n</C>\n')
 self.assertEqual(parseString('<C>AA</C>').toprettyxml(),
 decl + '<C>\n\tA\n\tA\n</C>\n')
 self.assertEqual(parseString('<C>AAA</C>').toprettyxml(),
 decl + '<C>\n\tA\n\tA\n\tA\n</C>\n')

def test_toprettyxml_with_adjacent_text_nodes(self):
 # see issue #4147, adjacent text nodes are indented normally
 dom = Document()
 elem = dom.createElement(u'elem')
 elem.appendChild(dom.createTextNode(u'TEXT'))
 elem.appendChild(dom.createTextNode(u'TEXT'))
 dom.appendChild(elem)
 decl = '<?xml version="1.0" ?>\n'
 self.assertEqual(dom.toprettyxml(),
 decl + '<elem>\n\tTEXT\n\tTEXT\n</elem>\n')

def test_toprettyxml_preserves_content_of_text_node(self):
 # see issue #4147
 for str in ('A', '<A>C</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 testProcessingInstruction(self):
 dom = parseString('<e><?mypi \t\n data \t\n ?></e>')
 pi = dom.documentElement.firstChild
 self.confirm(pi.target == "mypi"
 and pi.data == "data \t\n "
 and pi.nodeName == "mypi"
 and pi.nodeType == Node.PROCESSING_INSTRUCTION_NODE
 and pi.attributes is None
 and not pi.hasChildNodes()
 and len(pi.childNodes) == 0
 and pi.firstChild is None
 and pi.lastChild is None
 and pi.localName is None
 and pi.namespaceURI == xml.dom.EMPTY_NAMESPACE)

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 testRemoveNamedItem(self):
 doc = parseString("<doc a=''/>")
 e = doc.documentElement
 attrs = e.attributes
 a1 = e.getAttributeNode("a")
 a2 = attrs.removeNamedItem("a")
 self.confirm(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.confirm(a1.isSameNode(a2))
 self.assertRaises(xml.dom.NotFoundErr, attrs.removeNamedItemNS,
 "http://xml.python.org/", "b")

def _testCloneElementCopiesAttributes(self, e1, e2, test):
        attrs1 = e1.attributes
        attrs2 = e2.attributes
        keys1 = attrs1.keys()
        keys2 = attrs2.keys()
        keys1.sort()
        keys2.sort()
        self.confirm(keys1 == keys2, "clone of element has same attribute keys")
        for i in range(len(keys1)):
            a1 = attrs1.item(i)
            a2 = attrs2.item(i)
            self.confirm(a1 is not a2
                    and a1.value == a2.value
                    and a1.nodeValue == a2.nodeValue
                    and a1.namespaceURI == a2.namespaceURI
                    and a1.localName == a2.localName
                    , "clone of attribute node has proper attribute values")
            self.confirm(a2.ownerElement is e2,
                    "clone of attribute node correctly owned")

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.confirm(len(clone.childNodes) == 0
 and clone.childNodes.length == 0
 and clone.parentNode is None
 and clone.toxml() == '<doc attr="value"/>'
 , "testCloneElementShallow")
 dom.unlink()

def testCloneElementDeep(self):
 dom, clone = self._setupCloneElement(1)
 self.confirm(len(clone.childNodes) == 1
 and clone.childNodes.length == 1
 and clone.parentNode is None
 and clone.toxml() == '<doc attr="value"><foo/></doc>'
 , "testCloneElementDeep")
 dom.unlink()

def testCloneDocumentShallow(self):
 doc = parseString("<?xml version='1.0'?>\n"
 ""
 "<!DOCTYPE doc [\n"
 "<!NOTATION notation SYSTEM 'http://xml.python.org/'>\n"
 "]>\n"
 "<doc attr='value'/>")
 doc2 = doc.cloneNode(0)
 self.confirm(doc2 is None,
 "testCloneDocumentShallow:"
 " shallow cloning of documents makes no sense!")

def testCloneDocumentDeep(self):
 doc = parseString("<?xml version='1.0'?>\n"
 ""
 "<!DOCTYPE doc [\n"
 "<!NOTATION notation SYSTEM 'http://xml.python.org/'>\n"
 "]>\n"
 "<doc attr='value'/>")
 doc2 = doc.cloneNode(1)
 self.confirm(not (doc.isSameNode(doc2) or doc2.isSameNode(doc)),
 "testCloneDocumentDeep: document objects not distinct")
 self.confirm(len(doc.childNodes) == len(doc2.childNodes),
 "testCloneDocumentDeep: wrong number of Document children")
 self.confirm(doc2.documentElement.nodeType == Node.ELEMENT_NODE,
 "testCloneDocumentDeep: documentElement not an ELEMENT_NODE")
 self.confirm(doc2.documentElement.ownerDocument.isSameNode(doc2),
 "testCloneDocumentDeep: documentElement owner is not new document")
 self.confirm(not 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.confirm(doc2.doctype.nodeType == Node.DOCUMENT_TYPE_NODE,
 "testCloneDocumentDeep: doctype not a DOCUMENT_TYPE_NODE")
 self.confirm(doc2.doctype.ownerDocument.isSameNode(doc2))
 self.confirm(not 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.confirm(clone is None, "testCloneDocumentTypeDeepNotOk")

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.confirm(clone is None, "testCloneDocumentTypeShallowNotOk")

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.assertNotEqual(attr, None)
 clone = attr.cloneNode(deep)
 self.confirm(not clone.isSameNode(attr))
 self.confirm(not attr.isSameNode(clone))
 self.confirm(clone.ownerElement is None,
 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>"
 ""
 "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>t</o>")
 node = doc.documentElement
 node.childNodes[1].nodeValue = ""
 node.normalize()
 self.confirm(node.childNodes[-1].nextSibling is None,
 "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 testSAX2DOM(self):
        from xml.dom import pulldom

sax2dom = pulldom.SAX2DOM()
        sax2dom.startDocument()
        sax2dom.startElement("doc", {})
        sax2dom.characters("text")
        sax2dom.startElement("subelm", {})
        sax2dom.characters("text")
        sax2dom.endElement("subelm")
        sax2dom.characters("text")
        sax2dom.endElement("doc")
        sax2dom.endDocument()

doc = sax2dom.document
        root = doc.documentElement
        (text1, elm1, text2) = root.childNodes
        text3 = elm1.childNodes[0]

self.confirm(text1.previousSibling is None and
                text1.nextSibling is elm1 and
                elm1.previousSibling is text1 and
                elm1.nextSibling is text2 and
                text2.previousSibling is elm1 and
                text2.nextSibling is None and
                text3.previousSibling is None and
                text3.nextSibling is None, "testSAX2DOM - siblings")

self.confirm(root.parentNode is doc and
                text1.parentNode is root and
                elm1.parentNode is root and
                text2.parentNode is root and
                text3.parentNode is elm1, "testSAX2DOM - parents")
        doc.unlink()

def testEncodings(self):
 doc = parseString('<foo>&#x20ac;</foo>')
 self.confirm(doc.toxml() == u'<?xml version="1.0" ?><foo>\u20ac</foo>'
 and doc.toxml('utf-8') ==
 '<?xml version="1.0" encoding="utf-8"?><foo>\xe2\x82\xac</foo>'
 and doc.toxml('iso-8859-15') ==
 '<?xml version="1.0" encoding="iso-8859-15"?><foo>\xa4</foo>',
 "testEncodings - encoding EURO SIGN")

# Verify that character decoding errors raise exceptions instead
 # of crashing
 self.assertRaises(ExpatError, parseString,
 '<fran\xe7ais></fran\xe7ais>')
 self.assertRaises(ExpatError, parseString,
 '<franais>Comment \xe7a va ? Tr\xe8s bien ?</franais>')

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.confirm(n.getUserData("foo") is None)
        n.setUserData("foo", None, None)
        self.confirm(n.getUserData("foo") is None)
        n.setUserData("foo", 12, 12)
        n.setUserData("bar", 13, 13)
        self.confirm(n.getUserData("foo") == 12)
        self.confirm(n.getUserData("bar") == 13)
        n.setUserData("foo", None, None)
        self.confirm(n.getUserData("foo") is None)
        self.confirm(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.confirm(e.parentNode is elem, "Before replaceChild()")
 # Check that replacing a child with itself leaves the tree unchanged
 elem.replaceChild(e, e)
 self.confirm(e.parentNode is 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.confirm(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.confirm(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.confirm(e.isSameNode(doc.getElementById("w")))
 self.confirm(not a1.isId)
 self.confirm(a2.isId)
 self.confirm(not a3.isId)
 self.confirm(doc.getElementById("v") is None)
 # 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.confirm(e.isSameNode(doc.getElementById("w")))
 self.confirm(not a1.isId)
 self.confirm(a2.isId)
 self.confirm(not a3.isId)
 self.confirm(doc.getElementById("v") is None)
 # 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(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.confirm(doc2.namespaceURI == xml.dom.EMPTY_NAMESPACE)

def test_main():
    support.run_unittest(MinidomTest)

if __name__ == "__main__":
    test_main()

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✏️ test_minidom.py