gecko-dev/content/test/unit/test_xml_serializer.js

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JavaScript
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// The xml serializer uses the default line break of the plateform.
// So we need to know the value of this default line break, in order
// to build correctly the reference strings for tests.
// This variable will contain this value.
var LB;
function run_test() {
if(("@mozilla.org/windows-registry-key;1" in C) || ("nsILocalFileOS2" in I))
LB = "\r\n";
else
LB = "\n";
for (var i = 0; i < tests.length && tests[i]; ++i) {
tests[i].call();
}
}
var tests = [
test1,
test2,
test3,
test4,
test5,
test6,
test7,
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test8,
test9,
test10,
null
];
function testString(str) {
do_check_eq(roundtrip(str), str);
}
function test1() {
// Basic round-tripping which we expect to hand back the same text
// as we passed in (not strictly required for correctness in some of
// those cases, but best for readability of serializer output)
testString('<root/>');
testString('<root><child/></root>');
testString('<root xmlns=""/>');
testString('<root xml:lang="en"/>');
testString('<root xmlns="ns1"><child xmlns="ns2"/></root>')
testString('<root xmlns="ns1"><child xmlns=""/></root>')
testString('<a:root xmlns:a="ns1"><child/></a:root>')
testString('<a:root xmlns:a="ns1"><a:child/></a:root>')
testString('<a:root xmlns:a="ns1"><b:child xmlns:b="ns1"/></a:root>')
testString('<a:root xmlns:a="ns1"><a:child xmlns:a="ns2"/></a:root>')
testString('<a:root xmlns:a="ns1"><b:child xmlns:b="ns1" b:attr=""/></a:root>')
}
function test2() {
// Test setting of "xmlns" attribute in the null namespace
// XXXbz are these tests needed? What should happen here? These
// may be bogus.
// Setting random "xmlns" attribute
var doc = ParseXML('<root xmlns="ns1"/>');
doc.documentElement.setAttribute("xmlns", "ns2");
do_check_serialize(doc);
}
function test3() {
// Test basic appending of kids. Again, we're making assumptions
// about how our serializer will serialize simple DOMs.
var doc = ParseXML('<root xmlns="ns1"/>');
var root = doc.documentElement;
var child = doc.createElementNS("ns2", "child");
root.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><child xmlns="ns2"/></root>');
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
child = doc.createElementNS("ns2", "prefix:child");
root.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><prefix:child xmlns:prefix="ns2"/></root>');
doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
root = doc.documentElement;
child = doc.createElementNS("ns2", "prefix:child");
root.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1"><a0:child xmlns:a0="ns2"/>'+
'</prefix:root>');
}
function test4() {
// setAttributeNS tests
var doc = ParseXML('<root xmlns="ns1"/>');
var root = doc.documentElement;
root.setAttributeNS("ns1", "prefix:local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" prefix:local="val" xmlns:prefix="ns1"/>');
doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
root = doc.documentElement;
root.setAttributeNS("ns1", "local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1" prefix:local="val"/>');
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
root.setAttributeNS("ns2", "local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" a0:local="val" xmlns:a0="ns2"/>');
// Handling of prefix-generation for non-null-namespace attributes
// which have the same namespace as the current default namespace
// (bug 301260).
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
root.setAttributeNS("ns1", "local", "val");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" a0:local="val" xmlns:a0="ns1"/>');
// Tree-walking test
doc = ParseXML('<root xmlns="ns1" xmlns:a="ns2">'+
'<child xmlns:b="ns2" xmlns:a="ns3">'+
'<child2/></child></root>');
root = doc.documentElement;
// Have to QI here -- no classinfo flattening in xpcshell, apparently
var node = root.firstChild.firstChild.QueryInterface(nsIDOMElement);
node.setAttributeNS("ns4", "l1", "v1");
node.setAttributeNS("ns4", "p2:l2", "v2");
node.setAttributeNS("", "l3", "v3");
node.setAttributeNS("ns3", "l4", "v4");
node.setAttributeNS("ns3", "p5:l5", "v5");
node.setAttributeNS("ns3", "a:l6", "v6");
node.setAttributeNS("ns2", "l7", "v7");
node.setAttributeNS("ns2", "p8:l8", "v8");
node.setAttributeNS("ns2", "b:l9", "v9");
node.setAttributeNS("ns2", "a:l10", "v10");
node.setAttributeNS("ns1", "a:l11", "v11");
node.setAttributeNS("ns1", "b:l12", "v12");
node.setAttributeNS("ns1", "l13", "v13");
do_check_serialize(doc);
// Note: we end up with "a2" as the prefix on "l11" and "l12" because we use
// "a1" earlier, and discard it in favor of something we get off the
// namespace stack, apparently
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1" xmlns:a="ns2">'+
'<child xmlns:b="ns2" xmlns:a="ns3">'+
'<child2 a0:l1="v1" xmlns:a0="ns4"' +
' a0:l2="v2"' +
' l3="v3"' +
' a:l4="v4"' +
' a:l5="v5"' +
' a:l6="v6"' +
' b:l7="v7"' +
' b:l8="v8"' +
' b:l9="v9"' +
' b:l10="v10"' +
' a2:l11="v11" xmlns:a2="ns1"' +
' a2:l12="v12"' +
' a2:l13="v13"/></child></root>');
}
function test5() {
// Handling of kids in the null namespace when the default is a
// different namespace (bug 301260).
var doc = ParseXML('<root xmlns="ns1"/>')
var child = doc.createElement('child');
doc.documentElement.appendChild(child);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><child xmlns=""/></root>');
}
function test6() {
// Handling of not using a namespace prefix (or default namespace!)
// that's not bound to our namespace in our scope (bug 301260).
var doc = ParseXML('<prefix:root xmlns:prefix="ns1"/>');
var root = doc.documentElement;
var child1 = doc.createElementNS("ns2", "prefix:child1");
var child2 = doc.createElementNS("ns1", "prefix:child2");
child1.appendChild(child2);
root.appendChild(child1);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1"><a0:child1 xmlns:a0="ns2">'+
'<prefix:child2/></a0:child1></prefix:root>');
doc = ParseXML('<root xmlns="ns1"><prefix:child1 xmlns:prefix="ns2"/></root>');
root = doc.documentElement;
child1 = root.firstChild;
child2 = doc.createElementNS("ns1", "prefix:child2");
child1.appendChild(child2);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><prefix:child1 xmlns:prefix="ns2">'+
'<child2/></prefix:child1></root>');
doc = ParseXML('<prefix:root xmlns:prefix="ns1">'+
'<prefix:child1 xmlns:prefix="ns2"/></prefix:root>');
root = doc.documentElement;
child1 = root.firstChild;
child2 = doc.createElementNS("ns1", "prefix:child2");
child1.appendChild(child2);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<prefix:root xmlns:prefix="ns1"><prefix:child1 xmlns:prefix="ns2">'+
'<a0:child2 xmlns:a0="ns1"/></prefix:child1></prefix:root>');
doc = ParseXML('<root xmlns="ns1"/>');
root = doc.documentElement;
child1 = doc.createElementNS("ns2", "child1");
child2 = doc.createElementNS("ns1", "child2");
child1.appendChild(child2);
root.appendChild(child1);
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="ns1"><child1 xmlns="ns2"><child2 xmlns="ns1"/>'+
'</child1></root>');
}
function test7() {
// Handle xmlns attribute declaring a default namespace on a non-namespaced
// element (bug 326994).
var doc = ParseXML('<root xmlns=""/>')
var root = doc.documentElement;
root.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
"http://www.w3.org/1999/xhtml");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc), '<root/>');
doc = ParseXML('<root xmlns=""><child1/></root>')
root = doc.documentElement;
root.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
"http://www.w3.org/1999/xhtml");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc), '<root><child1/></root>');
doc = ParseXML('<root xmlns="http://www.w3.org/1999/xhtml">' +
'<child1 xmlns=""><child2/></child1></root>')
root = doc.documentElement;
// No interface flattening in xpcshell
var child1 = root.firstChild.QueryInterface(nsIDOMElement);
child1.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
"http://www.w3.org/1999/xhtml");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="http://www.w3.org/1999/xhtml"><child1 xmlns="">' +
'<child2/></child1></root>');
doc = ParseXML('<root xmlns="http://www.w3.org/1999/xhtml">' +
'<child1 xmlns="">' +
'<child2 xmlns="http://www.w3.org/1999/xhtml"></child2>' +
'</child1></root>')
root = doc.documentElement;
// No interface flattening in xpcshell
child1 = root.firstChild.QueryInterface(nsIDOMElement);
var child2 = child1.firstChild.QueryInterface(nsIDOMElement);
child1.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
"http://www.w3.org/1999/xhtml");
child2.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "");
do_check_serialize(doc);
do_check_eq(SerializeXML(doc),
'<root xmlns="http://www.w3.org/1999/xhtml"><child1 xmlns="">' +
'<a0:child2 xmlns:a0="http://www.w3.org/1999/xhtml" xmlns=""></a0:child2></child1></root>');
}
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function test8() {
// Test behavior of serializing with a given charset.
var str1 = '<?xml version="1.0" encoding="ISO-8859-1"?>'+LB+'<root/>';
var str2 = '<?xml version="1.0" encoding="UTF8"?>'+LB+'<root/>';
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var doc1 = ParseXML(str1);
var doc2 = ParseXML(str2);
var p = Pipe();
DOMSerializer().serializeToStream(doc1, p.outputStream, "ISO-8859-1");
p.outputStream.close();
do_check_eq(ScriptableInput(p).read(-1), str1);
p = Pipe();
DOMSerializer().serializeToStream(doc2, p.outputStream, "ISO-8859-1");
p.outputStream.close();
do_check_eq(ScriptableInput(p).read(-1), str1);
p = Pipe();
DOMSerializer().serializeToStream(doc1, p.outputStream, "UTF8");
p.outputStream.close();
do_check_eq(ScriptableInput(p).read(-1), str2);
p = Pipe();
DOMSerializer().serializeToStream(doc2, p.outputStream, "UTF8");
p.outputStream.close();
do_check_eq(ScriptableInput(p).read(-1), str2);
}
function test9() {
// Test behavior of serializing between given charsets, using
// ISO-8859-1-representable text.
var contents = '<root>' +
'\u00BD + \u00BE == \u00BD\u00B2 + \u00BC + \u00BE' +
'</root>';
var str1 = '<?xml version="1.0" encoding="ISO-8859-1"?>'+ LB + contents;
var str2 = '<?xml version="1.0" encoding="UTF8"?>'+ LB + contents;
var str3 = '<?xml version="1.0" encoding="UTF-16"?>'+ LB + contents;
var doc1 = ParseXML(str1);
var doc2 = ParseXML(str2);
var doc3 = ParseXML(str3);
checkSerialization(doc1, "ISO-8859-1", str1);
checkSerialization(doc2, "ISO-8859-1", str1);
checkSerialization(doc3, "ISO-8859-1", str1);
checkSerialization(doc1, "UTF8", str2);
checkSerialization(doc2, "UTF8", str2);
checkSerialization(doc3, "UTF8", str2);
checkSerialization(doc1, "UTF-16", str3);
checkSerialization(doc2, "UTF-16", str3);
checkSerialization(doc3, "UTF-16", str3);
}
function test10() {
// Test behavior of serializing between given charsets, using
// Unicode characters (XXX but only BMP ones because I don't know
// how to create one with non-BMP characters, either with JS strings
// or using DOM APIs).
var contents = '<root>' +
'AZaz09 \u007F ' + // U+000000 to U+00007F
'\u0080 \u0398 \u03BB \u0725 ' + // U+000080 to U+0007FF
'\u0964 \u0F5F \u20AC \uFFFB' + // U+000800 to U+00FFFF
'</root>';
var str1 = '<?xml version="1.0" encoding="UTF8"?>'+ LB + contents;
var str2 = '<?xml version="1.0" encoding="UTF-16"?>'+ LB + contents;
var doc1 = ParseXML(str1);
var doc2 = ParseXML(str2);
checkSerialization(doc1, "UTF8", str1);
checkSerialization(doc2, "UTF8", str1);
checkSerialization(doc1, "UTF-16", str2);
checkSerialization(doc2, "UTF-16", str2);
}
function checkSerialization(doc, toCharset, expectedString) {
var p = Pipe();
DOMSerializer().serializeToStream(doc, p.outputStream, toCharset);
p.outputStream.close();
var cin = C["@mozilla.org/intl/converter-input-stream;1"]
.createInstance(I.nsIConverterInputStream);
cin.init(p.inputStream, toCharset, 1024, 0x0);
// compare the first expectedString.length characters for equality
var outString = {};
var count = cin.readString(expectedString.length, outString);
do_check_true(count == expectedString.length);
do_check_true(outString.value == expectedString);
// if there's anything more in the stream, it's a bug
do_check_eq(0, cin.readString(1, outString));
do_check_eq(outString.value, "");
}