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()
python类appendChild()的实例源码
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 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 _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 testAppendChild(self):
dom = parse(tstfile)
dom.documentElement.appendChild(dom.createComment("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 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 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 testElementReprAndStrUnicode(self):
dom = Document()
el = dom.appendChild(dom.createElement("abc"))
string1 = repr(el)
string2 = str(el)
self.confirm(string1 == string2)
dom.unlink()
def testElementReprAndStrUnicodeNS(self):
dom = Document()
el = dom.appendChild(
dom.createElementNS("http://www.slashdot.org", "slash:abc"))
string1 = repr(el)
string2 = str(el)
self.confirm(string1 == string2)
self.confirm("slash:abc" in string1)
dom.unlink()
def testAttributeRepr(self):
dom = Document()
el = dom.appendChild(dom.createElement("abc"))
node = el.setAttribute("abc", "def")
self.confirm(str(node) == repr(node))
dom.unlink()
def test_toprettyxml_with_adjacent_text_nodes(self):
# see issue #4147, adjacent text nodes are indented normally
dom = Document()
elem = dom.createElement('elem')
elem.appendChild(dom.createTextNode('TEXT'))
elem.appendChild(dom.createTextNode('TEXT'))
dom.appendChild(elem)
decl = '<?xml version="1.0" ?>\n'
self.assertEqual(dom.toprettyxml(),
decl + '<elem>\n\tTEXT\n\tTEXT\n</elem>\n')
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()
