# test for xml.dom.minidom

import os
import sys
import pickle
import traceback
from StringIO import StringIO
from test.test_support import verbose

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

try:
    from os import extsep
except ImportError:
    extsep = '.'

if __name__ == "__main__":
    base = sys.argv[0]
else:
    base = __file__
tstfile = os.path.join(os.path.dirname(base), "test"+extsep+"xml")
del base

# Python 2.1 and earlier does not fully support the NodeList interface
testlist = xml.dom.minidom.NodeList()
try:
    testlist.length
except AttributeError:
    def t_length(list, length):
        return len(list) == length
    def t_item(list, index, item):
        if item is None:
            # .item can go past the end, indexing cannot
            return 1
        return list[index] is item
else:
    def t_length(list, length):
        return len(list) == length and list.length == length
    def t_item(list, index, item):
        if item is None:
            return list.item(index) is item
        return list[index] is item and list.item(index) is item
del testlist

def confirm(test, testname = "Test"):
    if not test:
        print "Failed " + testname
        raise Exception

def testParseFromFile():
    dom = parse(StringIO(open(tstfile).read()))
    dom.unlink()
    confirm(isinstance(dom, Document)
            and dom.attributes is None
            and not dom.hasAttributes())

def testGetElementsByTagName():
    dom = parse(tstfile)
    confirm(dom.getElementsByTagName("LI") == \
            dom.documentElement.getElementsByTagName("LI"))
    dom.unlink()

def testInsertBefore():
    dom = parseString("<doc><foo/></doc>")
    root = dom.documentElement
    elem = root.childNodes[0]
    nelem = dom.createElement("element")
    root.insertBefore(nelem, elem)
    confirm(t_length(root.childNodes, 2)
            and t_item(root.childNodes, 0, nelem)
            and t_item(root.childNodes, 1, 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)
    confirm(t_length(root.childNodes, 3)
            and t_item(root.childNodes, 1, elem)
            and t_item(root.childNodes, 2, 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)
    confirm(t_length(root.childNodes, 4)
            and t_item(root.childNodes, 2, nelem2)
            and t_item(root.childNodes, 3, 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():
    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():
    dom, orig, c1, c2, c3, frag = _create_fragment_test_nodes()
    dom.documentElement.insertBefore(frag, None)
    confirm(tuple(dom.documentElement.childNodes) == (orig, c1, c2, c3),
            "insertBefore(<fragment>, None)")
    frag.unlink()
    dom.unlink()
    #
    dom, orig, c1, c2, c3, frag = _create_fragment_test_nodes()
    dom.documentElement.insertBefore(frag, orig)
    confirm(tuple(dom.documentElement.childNodes) == (c1, c2, c3, orig),
            "insertBefore(<fragment>, orig)")
    frag.unlink()
    dom.unlink()

def testAppendChild():
    dom = parse(tstfile)
    dom.documentElement.appendChild(dom.createComment(u"Hello"))
    confirm(dom.documentElement.childNodes[-1].nodeName == "#comment")
    confirm(dom.documentElement.childNodes[-1].data == "Hello")
    dom.unlink()

def testAppendChildFragment():
    dom, orig, c1, c2, c3, frag = _create_fragment_test_nodes()
    dom.documentElement.appendChild(frag)
    confirm(tuple(dom.documentElement.childNodes) == (orig, c1, c2, c3),
            "appendChild(<fragment>)")
    frag.unlink()
    dom.unlink()

def testReplaceChildFragment():
    dom, orig, c1, c2, c3, frag = _create_fragment_test_nodes()
    dom.documentElement.replaceChild(frag, orig)
    orig.unlink()
    confirm(tuple(dom.documentElement.childNodes) == (c1, c2, c3),
            "replaceChild(<fragment>)")
    frag.unlink()
    dom.unlink()

def testLegalChildren():
    dom = Document()
    elem = dom.createElement('element')
    text = dom.createTextNode('text')

    try: dom.appendChild(text)
    except xml.dom.HierarchyRequestErr: pass
    else:
        print "dom.appendChild didn't raise HierarchyRequestErr"

    dom.appendChild(elem)
    try: dom.insertBefore(text, elem)
    except xml.dom.HierarchyRequestErr: pass
    else:
        print "dom.appendChild didn't raise HierarchyRequestErr"

    try: dom.replaceChild(text, elem)
    except xml.dom.HierarchyRequestErr: pass
    else:
        print "dom.appendChild didn't raise HierarchyRequestErr"

    nodemap = elem.attributes
    try: nodemap.setNamedItem(text)
    except xml.dom.HierarchyRequestErr: pass
    else:
        print "NamedNodeMap.setNamedItem didn't raise HierarchyRequestErr"

    try: nodemap.setNamedItemNS(text)
    except xml.dom.HierarchyRequestErr: pass
    else:
        print "NamedNodeMap.setNamedItemNS didn't raise HierarchyRequestErr"

    elem.appendChild(text)
    dom.unlink()

def testNamedNodeMapSetItem():
    dom = Document()
    elem = dom.createElement('element')
    attrs = elem.attributes
    attrs["foo"] = "bar"
    a = attrs.item(0)
    confirm(a.ownerDocument is dom,
            "NamedNodeMap.__setitem__() sets ownerDocument")
    confirm(a.ownerElement is elem,
            "NamedNodeMap.__setitem__() sets ownerElement")
    confirm(a.value == "bar",
            "NamedNodeMap.__setitem__() sets value")
    confirm(a.nodeValue == "bar",
            "NamedNodeMap.__setitem__() sets nodeValue")
    elem.unlink()
    dom.unlink()

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

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

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

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

def testAAB():
    dom = parseString("<abc/>")
    el = dom.documentElement
    el.setAttribute("spam", "jam")
    el.setAttribute("spam", "jam2")
    confirm(el.toxml() == '<abc spam="jam2"/>', "testAAB")
    dom.unlink()

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

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

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

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

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

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

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

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

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

    child.setAttribute("def", "ghi")
    confirm(len(child.attributes) == 1
            and child.hasAttributes())
    child.removeAttribute("def")
    confirm(len(child.attributes) == 0
            and not child.hasAttributes())

    dom.unlink()

def testRemoveAttrNS():
    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")
    confirm(len(child.attributes) == 2
            and child.hasAttributes())
    child.removeAttributeNS("http://www.python.org", "abcattr")
    confirm(len(child.attributes) == 1
            and child.hasAttributes())

    dom.unlink()

def testRemoveAttributeNode():
    dom = Document()
    child = dom.appendChild(dom.createElement("foo"))
    child.setAttribute("spam", "jam")
    confirm(len(child.attributes) == 1
            and child.hasAttributes())
    node = child.getAttributeNode("spam")
    n = child.removeAttributeNode(node)
    confirm(len(child.attributes) == 0
            and child.getAttributeNode("spam") is None
            and not child.hasAttributes()
            and n.isSameNode(node))

    dom.unlink()

def testChangeAttr():
    dom = parseString("<abc/>")
    el = dom.documentElement
    el.setAttribute("spam", "jam")
    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")
    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
            and el.hasAttributes())
    el.attributes["spam"] = "ham"
    confirm(len(el.attributes) == 1
            and el.attributes["spam"].value == "ham"
            and el.attributes["spam"].nodeValue == "ham"
            and el.getAttribute("spam") == "ham"
            and el.hasAttributes()
            and el.attributes["spam"].isId)
    el.setAttribute("spam2", "bam")
    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"
            and el.hasAttributes())
    el.attributes["spam2"] = "bam2"
    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"
            and el.hasAttributes())
    dom.unlink()

def testGetAttrList():
    pass

def testGetAttrValues(): pass

def testGetAttrLength(): pass

def testGetAttribute(): pass

def testGetAttributeNS(): pass

def testGetAttributeNode(): pass

def testGetElementsByTagNameNS():
    d="""<foo xmlns:minidom='http://pyxml.sf.net/minidom'>
    <minidom:myelem/>
    </foo>"""
    dom = parseString(d)
    elems = dom.getElementsByTagNameNS("http://pyxml.sf.net/minidom", "myelem")
    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(doc, nsuri, lname):
    nodelist = doc.getElementsByTagNameNS(nsuri, lname)
    confirm(len(nodelist) == 0)

def testGetEmptyNodeListFromElementsByTagNameNS():
    doc = parseString('<doc/>')
    get_empty_nodelist_from_elements_by_tagName_ns_helper(
        doc, 'http://xml.python.org/namespaces/a', 'localname')
    get_empty_nodelist_from_elements_by_tagName_ns_helper(
        doc, '*', 'splat')
    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>')
    get_empty_nodelist_from_elements_by_tagName_ns_helper(
        doc, "http://xml.python.org/splat", "not-there")
    get_empty_nodelist_from_elements_by_tagName_ns_helper(
        doc, "*", "not-there")
    get_empty_nodelist_from_elements_by_tagName_ns_helper(
        doc, "http://somewhere.else.net/not-there", "e")

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

# commented out until Fredrick's fix is checked in
def _testElementReprAndStrUnicode():
    dom = Document()
    el = dom.appendChild(dom.createElement(u"abc"))
    string1 = repr(el)
    string2 = str(el)
    confirm(string1 == string2)
    dom.unlink()

# commented out until Fredrick's fix is checked in
def _testElementReprAndStrUnicodeNS():
    dom = Document()
    el = dom.appendChild(
        dom.createElementNS(u"http://www.slashdot.org", u"slash:abc"))
    string1 = repr(el)
    string2 = str(el)
    confirm(string1 == string2)
    confirm(string1.find("slash:abc") != -1)
    dom.unlink()

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

def testTextNodeRepr(): pass

def testWriteXML():
    str = '<?xml version="1.0" ?>\n<a b="c"/>'
    dom = parseString(str)
    domstr = dom.toxml()
    dom.unlink()
    confirm(str == domstr)

def testProcessingInstruction():
    dom = parseString('<e><?mypi \t\n data \t\n ?></e>')
    pi = dom.documentElement.firstChild
    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.hasAttributes()
            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 testProcessingInstructionRepr(): pass

def testTextRepr(): pass

def testWriteText(): pass

def testDocumentElement(): pass

def testTooManyDocumentElements():
    doc = parseString("<doc/>")
    elem = doc.createElement("extra")
    try:
        doc.appendChild(elem)
    except xml.dom.HierarchyRequestErr:
        pass
    else:
        print "Failed to catch expected exception when" \
              " adding extra document element."
    elem.unlink()
    doc.unlink()

def testCreateElementNS(): pass

def testCreateAttributeNS(): pass

def testParse(): pass

def testParseString(): pass

def testComment(): pass

def testAttrListItem(): pass

def testAttrListItems(): pass

def testAttrListItemNS(): pass

def testAttrListKeys(): pass

def testAttrListKeysNS(): pass

def testRemoveNamedItem():
    doc = parseString("<doc a=''/>")
    e = doc.documentElement
    attrs = e.attributes
    a1 = e.getAttributeNode("a")
    a2 = attrs.removeNamedItem("a")
    confirm(a1.isSameNode(a2))
    try:
        attrs.removeNamedItem("a")
    except xml.dom.NotFoundErr:
        pass

def testRemoveNamedItemNS():
    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")
    confirm(a1.isSameNode(a2))
    try:
        attrs.removeNamedItemNS("http://xml.python.org/", "b")
    except xml.dom.NotFoundErr:
        pass

def testAttrListValues(): pass

def testAttrListLength(): pass

def testAttrList__getitem__(): pass

def testAttrList__setitem__(): pass

def testSetAttrValueandNodeValue(): pass

def testParseElement(): pass

def testParseAttributes(): pass

def testParseElementNamespaces(): pass

def testParseAttributeNamespaces(): pass

def testParseProcessingInstructions(): pass

def testChildNodes(): pass

def testFirstChild(): pass

def testHasChildNodes(): pass

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

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

def _setupCloneElement(deep):
    dom = parseString("<doc attr='value'><foo/></doc>")
    root = dom.documentElement
    clone = root.cloneNode(deep)
    _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 _testCloneElementCopiesAttributes(e1, e2, test):
    attrs1 = e1.attributes
    attrs2 = e2.attributes
    keys1 = attrs1.keys()
    keys2 = attrs2.keys()
    keys1.sort()
    keys2.sort()
    confirm(keys1 == keys2, "clone of element has same attribute keys")
    for i in range(len(keys1)):
        a1 = attrs1.item(i)
        a2 = attrs2.item(i)
        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")
        confirm(a2.ownerElement is e2,
                "clone of attribute node correctly owned")

def testCloneDocumentShallow():
    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)
    confirm(doc2 is None,
            "testCloneDocumentShallow:"
            " shallow cloning of documents makes no sense!")

def testCloneDocumentDeep():
    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)
    confirm(not (doc.isSameNode(doc2) or doc2.isSameNode(doc)),
            "testCloneDocumentDeep: document objects not distinct")
    confirm(len(doc.childNodes) == len(doc2.childNodes),
            "testCloneDocumentDeep: wrong number of Document children")
    confirm(doc2.documentElement.nodeType == Node.ELEMENT_NODE,
            "testCloneDocumentDeep: documentElement not an ELEMENT_NODE")
    confirm(doc2.documentElement.ownerDocument.isSameNode(doc2),
            "testCloneDocumentDeep: documentElement owner is not new document")
    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
        confirm(doc2.doctype.nodeType == Node.DOCUMENT_TYPE_NODE,
                "testCloneDocumentDeep: doctype not a DOCUMENT_TYPE_NODE")
        confirm(doc2.doctype.ownerDocument.isSameNode(doc2))
        confirm(not doc.doctype.isSameNode(doc2.doctype))

def testCloneDocumentTypeDeepOk():
    doctype = create_nonempty_doctype()
    clone = doctype.cloneNode(1)
    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)
        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)
        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():
    doc = create_doc_with_doctype()
    clone = doc.doctype.cloneNode(1)
    confirm(clone is None, "testCloneDocumentTypeDeepNotOk")

def testCloneDocumentTypeShallowOk():
    doctype = create_nonempty_doctype()
    clone = doctype.cloneNode(0)
    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():
    doc = create_doc_with_doctype()
    clone = doc.doctype.cloneNode(0)
    confirm(clone is None, "testCloneDocumentTypeShallowNotOk")

def check_import_document(deep, testName):
    doc1 = parseString("<doc/>")
    doc2 = parseString("<doc/>")
    try:
        doc1.importNode(doc2, deep)
    except xml.dom.NotSupportedErr:
        pass
    else:
        raise Exception(testName +
                        ": expected NotSupportedErr when importing a document")

def testImportDocumentShallow():
    check_import_document(0, "testImportDocumentShallow")

def testImportDocumentDeep():
    check_import_document(1, "testImportDocumentDeep")

# 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

def testImportDocumentTypeShallow():
    src = create_doc_with_doctype()
    target = create_doc_without_doctype()
    try:
        imported = target.importNode(src.doctype, 0)
    except xml.dom.NotSupportedErr:
        pass
    else:
        raise Exception(
            "testImportDocumentTypeShallow: expected NotSupportedErr")

def testImportDocumentTypeDeep():
    src = create_doc_with_doctype()
    target = create_doc_without_doctype()
    try:
        imported = target.importNode(src.doctype, 1)
    except xml.dom.NotSupportedErr:
        pass
    else:
        raise Exception(
            "testImportDocumentTypeDeep: expected NotSupportedErr")

# Testing attribute clones uses a helper, and should always be deep,
# even if the argument to cloneNode is false.
def check_clone_attribute(deep, testName):
    doc = parseString("<doc attr='value'/>")
    attr = doc.documentElement.getAttributeNode("attr")
    assert attr is not None
    clone = attr.cloneNode(deep)
    confirm(not clone.isSameNode(attr))
    confirm(not attr.isSameNode(clone))
    confirm(not clone.hasAttributes())
    confirm(clone.ownerElement is None,
            testName + ": ownerElement should be None")
    confirm(clone.ownerDocument.isSameNode(attr.ownerDocument),
            testName + ": ownerDocument does not match")
    confirm(clone.specified,
            testName + ": cloned attribute must have specified == True")

def testCloneAttributeShallow():
    check_clone_attribute(0, "testCloneAttributeShallow")

def testCloneAttributeDeep():
    check_clone_attribute(1, "testCloneAttributeDeep")

def check_clone_pi(deep, testName):
    doc = parseString("<?target data?><doc/>")
    pi = doc.firstChild
    assert pi.nodeType == Node.PROCESSING_INSTRUCTION_NODE
    clone = pi.cloneNode(deep)
    confirm(clone.target == pi.target
            and clone.data == pi.data
            and not clone.hasAttributes())

def testClonePIShallow():
    check_clone_pi(0, "testClonePIShallow")

def testClonePIDeep():
    check_clone_pi(1, "testClonePIDeep")

def testNormalize():
    doc = parseString("<doc/>")
    root = doc.documentElement
    root.appendChild(doc.createTextNode("first"))
    root.appendChild(doc.createTextNode("second"))
    confirm(t_length(root.childNodes, 2), "testNormalize -- preparation")
    doc.normalize()
    confirm(t_length(root.childNodes, 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()
    confirm(t_length(root.childNodes, 0),
            "testNormalize -- single empty node removed")
    doc.unlink()

def testSiblings():
    doc = parseString("<doc><?pi?>text?<elm/></doc>")
    root = doc.documentElement
    (pi, text, elm) = root.childNodes

    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():
    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]

    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():
    doc = parseString("<doc><e/><e/></doc>")
    children = doc.childNodes
    docelem = children[0]
    confirm(t_item(children, 0, children[0])
            and t_item(children, 1, None)
            and t_item(docelem.childNodes, 0, docelem.childNodes[0])
            and t_item(docelem.childNodes, 1, docelem.childNodes[1])
            and t_item(docelem.childNodes[0].childNodes, 0, None),
            "test NodeList.item()")
    doc.unlink()

def testSAX2DOM():
    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]

    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")

    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():
    doc = parseString('<foo>&#x20ac;</foo>')
    confirm(doc.toxml() == u'<?xml version="1.0" ?>\n<foo>\u20ac</foo>'
            and doc.toxml('utf-8') == '<?xml version="1.0" encoding="utf-8"?>\n<foo>\xe2\x82\xac</foo>'
            and doc.toxml('iso-8859-15') == '<?xml version="1.0" encoding="iso-8859-15"?>\n<foo>\xa4</foo>',
            "testEncodings - encoding EURO SIGN")
    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():
    dom = Document()
    n = dom.createElement('e')
    confirm(n.getUserData("foo") is None)
    n.setUserData("foo", None, None)
    confirm(n.getUserData("foo") is None)
    n.setUserData("foo", 12, 12)
    n.setUserData("bar", 13, 13)
    confirm(n.getUserData("foo") == 12)
    confirm(n.getUserData("bar") == 13)
    n.setUserData("foo", None, None)
    confirm(n.getUserData("foo") is None)
    confirm(n.getUserData("bar") == 13)

    handler = UserDataHandler()
    n.setUserData("bar", 12, handler)
    c = n.cloneNode(1)
    confirm(handler.called
            and n.getUserData("bar") is None
            and c.getUserData("bar") == 13)
    n.unlink()
    c.unlink()
    dom.unlink()

def testRenameAttribute():
    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")
    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)
            and attr.attributes is None
            and not attr.hasAttributes())

    # Rename to have a namespace, no prefix
    attr = doc.renameNode(attr, "http://xml.python.org/ns", "c")
    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)
            and attr.attributes is None
            and not attr.hasAttributes())

    # Rename to have a namespace, with prefix
    attr = doc.renameNode(attr, "http://xml.python.org/ns2", "p:d")
    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)
            and attr.attributes is None
            and not attr.hasAttributes())

    # Rename back to a simple non-NS node
    attr = doc.renameNode(attr, xml.dom.EMPTY_NAMESPACE, "e")
    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)
            and attr.attributes is None
            and not attr.hasAttributes())

    try:
        doc.renameNode(attr, "http://xml.python.org/ns", "xmlns")
    except xml.dom.NamespaceErr:
        pass
    else:
        print "expected NamespaceErr"

    checkRenameNodeSharedConstraints(doc, attr)
    doc.unlink()

def testRenameElement():
    doc = parseString("<doc/>")
    elem = doc.documentElement

    # Simple renaming
    elem = doc.renameNode(elem, xml.dom.EMPTY_NAMESPACE, "a")
    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")
    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")
    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")
    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))

    checkRenameNodeSharedConstraints(doc, elem)
    doc.unlink()

def checkRenameNodeSharedConstraints(doc, node):
    # Make sure illegal NS usage is detected:
    try:
        doc.renameNode(node, "http://xml.python.org/ns", "xmlns:foo")
    except xml.dom.NamespaceErr:
        pass
    else:
        print "expected NamespaceErr"

    doc2 = parseString("<doc/>")
    try:
        doc2.renameNode(node, xml.dom.EMPTY_NAMESPACE, "foo")
    except xml.dom.WrongDocumentErr:
        pass
    else:
        print "expected WrongDocumentErr"

def testRenameOther():
    # 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")
    try:
        doc.renameNode(node, xml.dom.EMPTY_NAMESPACE, "foo")
    except xml.dom.NotSupportedErr:
        pass
    else:
        print "expected NotSupportedErr when renaming comment node"
    doc.unlink()

def checkCharacterDataBasics(doc, constructor, nodeName, nodeType):
    text = constructor("foo")
    confirm(text.ownerDocument.isSameNode(doc)
            and text.attributes is None
            and not text.hasAttributes()
            and text.firstChild is None
            and text.lastChild is None
            and text.previousSibling is None
            and text.nextSibling is None
            and text.parentNode is None
            and text.nodeName == nodeName
            and text.nodeType == nodeType
            and text.length == 3
            and text.data == "foo"
            and text.nodeValue == "foo")

def testTextNodeBasics():
    doc = Document()
    checkCharacterDataBasics(doc, doc.createTextNode,
                             "#text", Node.TEXT_NODE)

def testCDATASectionBasics():
    doc = Document()
    checkCharacterDataBasics(doc, doc.createCDATASection,
                             "#cdata-section", Node.CDATA_SECTION_NODE)

def checkAppendData(constructor):
    text = constructor("")
    text.appendData("a")
    confirm(text.data == text.nodeValue == text.wholeText == "a"
            and text.length == 1)
    text.appendData("b")
    confirm(text.data == text.nodeValue == text.wholeText == "ab"
            and text.length == 2)

def testTextNodeAppendData():
    checkAppendData(Document().createTextNode)

def testCDATASectionAppendData():
    checkAppendData(Document().createCDATASection)

def checkDeleteData(constructor):
    text = constructor("abc def ghi")
    try:
        text.deleteData(-1, 1)
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from deleteData()"

    try:
        text.deleteData(12, 2)
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from deleteData()"

    try:
        text.deleteData(0, -1)
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from deleteData()"

    confirm(text.data == text.nodeValue == text.wholeText)
    # delete at beginning:
    text.deleteData(0, 1)
    confirm(text.data == text.nodeValue == text.wholeText == "bc def ghi"
            and text.length == 10)
    # delete at the end:
    text.deleteData(8, 100)
    confirm(text.data == text.nodeValue == text.wholeText == "bc def g"
            and text.length == 8)
    # delete in the middle:
    text.deleteData(3, 3)
    confirm(text.data == text.nodeValue == text.wholeText == "bc  g"
            and text.length == 5)
    # delete the whole thing:
    text.deleteData(0, 5)
    confirm(text.data == text.nodeValue == text.wholeText == ""
            and text.length == 0)

def testTextNodeDeleteData():
    checkDeleteData(Document().createTextNode)

def testCDATASectionDeleteData():
    checkDeleteData(Document().createCDATASection)

def checkInsertData(constructor):
    text = constructor("abc")
    try:
        text.insertData(-1, "foo")
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from insertData()"

    try:
        text.insertData(12, "foo")
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from insertData()"

    confirm(text.data == text.nodeValue == text.wholeText)
    # insert at beginning:
    text.insertData(0, "ABC")
    confirm(text.data == text.nodeValue == text.wholeText == "ABCabc"
            and text.length == 6)
    # insert at the end:
    text.insertData(6, "DEF")
    confirm(text.data == text.nodeValue == text.wholeText == "ABCabcDEF"
            and text.length == 9)
    # insert in the middle:
    text.insertData(3, "splat!")
    confirm(text.data == text.nodeValue == text.wholeText == "ABCsplat!abcDEF"
            and text.length == 15)

def testTextNodeInsertData():
    checkInsertData(Document().createTextNode)

def testCDATASectionInsertData():
    checkInsertData(Document().createCDATASection)

def checkReplaceData(constructor):
    text = constructor("abc def ghi")
    try:
        text.replaceData(-1, 1, "foo")
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from replaceData()"

    try:
        text.replaceData(12, 2, "foo")
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from replaceData()"

    try:
        text.replaceData(0, -1, "foo")
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from replaceData()"

    confirm(text.data == text.nodeValue == text.wholeText)
    # replace at beginning:
    text.replaceData(0, 3, "ABC")
    confirm(text.data == text.nodeValue == text.wholeText == "ABC def ghi"
            and text.length == 11)
    # replace at the end:
    text.replaceData(9, 100, "HI")
    confirm(text.data == text.nodeValue == text.wholeText == "ABC def gHI"
            and text.length == 11)
    # replace in the middle:
    text.replaceData(4, 3, "splat!")
    confirm(text.data == text.nodeValue == text.wholeText == "ABC splat! gHI"
            and text.length == 14)
    # replace the whole thing:
    text.replaceData(0, 20, "foobar")
    confirm(text.data == text.nodeValue == text.wholeText == "foobar"
            and text.length == 6)

def testTextNodeReplaceData():
    checkReplaceData(Document().createTextNode)

def testCDATASectionReplaceData():
    checkReplaceData(Document().createCDATASection)

def checkSubstringData(constructor):
    text = constructor("abcdefg")
    try:
        text.substringData(-1, 2)
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from substringData()"

    try:
        text.substringData(20, 2)
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from substringData()"

    try:
        text.substringData(0, -1)
    except xml.dom.IndexSizeErr:
        pass
    else:
        print "expected IndexSizeErr from substringData()"

    confirm(text.substringData(0, 0) == ""
            and text.substringData(0, 2) == "ab"
            and text.substringData(2, 3) == "cde"
            and text.substringData(6, 0) == ""
            and text.substringData(6, 1) == "g"
            and text.substringData(6, 20) == "g"
            and text.substringData(7, 2) == ""
            and text.substringData(7, 0) == "")

def testTextNodeSubstringData():
    checkSubstringData(Document().createTextNode)

def testCDATASectionSubstringData():
    checkSubstringData(Document().createCDATASection)

def checkWholeText(node, s):
    t = node.wholeText
    confirm(t == s, "looking for %s, found %s" % (repr(s), repr(t)))

def testWholeText():
    doc = parseString("<doc>a</doc>")
    elem = doc.documentElement
    text = elem.childNodes[0]
    assert text.nodeType == Node.TEXT_NODE

    checkWholeText(text, "a")
    t = elem.appendChild(doc.createTextNode("b"))
    checkWholeText(text, "ab")
    t.appendData("e")
    checkWholeText(text, "abe")
    elem.insertBefore(doc.createCDATASection("c"), text)
    checkWholeText(text, "cabe")

    # make sure we don't cross other nodes
    splitter = doc.createComment("comment")
    elem.appendChild(splitter)
    text2 = doc.createTextNode("d")
    elem.appendChild(text2)
    checkWholeText(text, "cabe")
    checkWholeText(text2, "d")

    x = doc.createElement("x")
    elem.replaceChild(x, splitter)
    splitter = x
    checkWholeText(text, "cabe")
    checkWholeText(text2, "d")

    x = doc.createProcessingInstruction("y", "z")
    elem.replaceChild(x, splitter)
    splitter = x
    checkWholeText(text, "cabe")
    checkWholeText(text2, "d")

    elem.removeChild(splitter)
    checkWholeText(text, "cabed")
    checkWholeText(text2, "cabed")

    t.deleteData(1, 1)
    checkWholeText(text, "cabd")
    checkWholeText(text2, "cabd")

    t.replaceData(0, 1, "ghi")
    checkWholeText(text, "caghid")
    checkWholeText(text2, "caghid")

def testReplaceWholeText():
    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")
    checkWholeText(text, "new content")
    checkWholeText(text2, "d")
    confirm(len(elem.childNodes) == 3)

    doc, elem, text1, splitter, text2 = setup()
    text = text2.replaceWholeText("new content")
    checkWholeText(text, "new content")
    checkWholeText(text1, "cab")
    confirm(len(elem.childNodes) == 5)

    doc, elem, text1, splitter, text2 = setup()
    text = text1.replaceWholeText("")
    checkWholeText(text2, "d")
    confirm(text is None
            and len(elem.childNodes) == 2)

def testSchemaType():
    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
    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
        confirm(hasattr(t, "name")
                and t.namespace == xml.dom.EMPTY_NAMESPACE)

def testSetIdAttribute():
    doc = parseString("<doc a1='v' a2='w'/>")
    e = doc.documentElement
    a1 = e.getAttributeNode("a1")
    a2 = e.getAttributeNode("a2")
    confirm(doc.getElementById("v") is None
            and not a1.isId
            and not a2.isId)
    e.setIdAttribute("a1")
    confirm(e.isSameNode(doc.getElementById("v"))
            and a1.isId
            and not a2.isId)
    e.setIdAttribute("a2")
    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)
    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 it's ID-ness:
    doc.renameNode(a2, xml.dom.EMPTY_NAMESPACE, "an")
    confirm(e.isSameNode(doc.getElementById("w"))
            and a2.isId)

def testSetIdAttributeNS():
    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")
    confirm(doc.getElementById("v") is None
            and not a1.isId
            and not a2.isId)
    e.setIdAttributeNS(NS1, "a1")
    confirm(e.isSameNode(doc.getElementById("v"))
            and a1.isId
            and not a2.isId)
    e.setIdAttributeNS(NS2, "a2")
    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)
    confirm(e.isSameNode(doc.getElementById("w")))
    confirm(not a1.isId)
    confirm(a2.isId)
    confirm(not a3.isId)
    confirm(doc.getElementById("v") is None)
    # renaming an attribute should not affect it's ID-ness:
    doc.renameNode(a2, xml.dom.EMPTY_NAMESPACE, "an")
    confirm(e.isSameNode(doc.getElementById("w"))
            and a2.isId)

def testSetIdAttributeNode():
    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")
    confirm(doc.getElementById("v") is None
            and not a1.isId
            and not a2.isId)
    e.setIdAttributeNode(a1)
    confirm(e.isSameNode(doc.getElementById("v"))
            and a1.isId
            and not a2.isId)
    e.setIdAttributeNode(a2)
    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)
    confirm(e.isSameNode(doc.getElementById("w")))
    confirm(not a1.isId)
    confirm(a2.isId)
    confirm(not a3.isId)
    confirm(doc.getElementById("v") is None)
    # renaming an attribute should not affect it's ID-ness:
    doc.renameNode(a2, xml.dom.EMPTY_NAMESPACE, "an")
    confirm(e.isSameNode(doc.getElementById("w"))
            and a2.isId)

def testPickledDocument():
    doc = parseString("<?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>")
    s = pickle.dumps(doc)
    doc2 = pickle.loads(s)
    stack = [(doc, doc2)]
    while stack:
        n1, n2 = stack.pop()
        confirm(n1.nodeType == n2.nodeType
                and len(n1.childNodes) == len(n2.childNodes)
                and n1.nodeName == n2.nodeName
                and not n1.isSameNode(n2)
                and not n2.isSameNode(n1))
        if n1.nodeType == Node.DOCUMENT_TYPE_NODE:
            len(n1.entities)
            len(n2.entities)
            len(n1.notations)
            len(n2.notations)
            confirm(len(n1.entities) == len(n2.entities)
                    and len(n1.notations) == len(n2.notations))
            for i in range(len(n1.notations)):
                no1 = n1.notations.item(i)
                no2 = n1.notations.item(i)
                confirm(no1.name == no2.name
                        and no1.publicId == no2.publicId
                        and no1.systemId == no2.systemId)
                statck.append((no1, no2))
            for i in range(len(n1.entities)):
                e1 = n1.entities.item(i)
                e2 = n2.entities.item(i)
                confirm(e1.notationName == e2.notationName
                        and e1.publicId == e2.publicId
                        and e1.systemId == e2.systemId)
                stack.append((e1, e2))
        if n1.nodeType != Node.DOCUMENT_NODE:
            confirm(n1.ownerDocument.isSameNode(doc)
                    and n2.ownerDocument.isSameNode(doc2))
        for i in range(len(n1.childNodes)):
            stack.append((n1.childNodes[i], n2.childNodes[i]))


# --- MAIN PROGRAM

names = globals().keys()
names.sort()

failed = []

try:
    Node.allnodes
except AttributeError:
    # We don't actually have the minidom from the standard library,
    # but are picking up the PyXML version from site-packages.
    def check_allnodes():
        pass
else:
    def check_allnodes():
        confirm(len(Node.allnodes) == 0,
                "assertion: len(Node.allnodes) == 0")
        if len(Node.allnodes):
            print "Garbage left over:"
            if verbose:
                print Node.allnodes.items()[0:10]
            else:
                # Don't print specific nodes if repeatable results
                # are needed
                print len(Node.allnodes)
        Node.allnodes = {}

for name in names:
    if name.startswith("test"):
        func = globals()[name]
        try:
            func()
            check_allnodes()
        except:
            failed.append(name)
            print "Test Failed: ", name
            sys.stdout.flush()
            traceback.print_exception(*sys.exc_info())
            print `sys.exc_info()[1]`
            Node.allnodes = {}

if failed:
    print "\n\n\n**** Check for failures in these tests:"
    for name in failed:
        print "  " + name