libxmljs
Version:
libxml bindings for v8 javascript engine
469 lines (385 loc) • 15 kB
text/typescript
import * as libxml from "../index";
module.exports.getDtd = function (assert: any) {
var doc = libxml.parseXml('\n<root></root>');
var dtd = doc.getDtd();
assert.equal(null, dtd);
doc = libxml.parseXml('\n\n<root></root>');
assert.ok(doc);
dtd = doc.getDtd();
assert.equal("html", dtd?.name);
assert.equal(null, dtd?.externalId);
assert.equal(null, dtd?.systemId);
doc = libxml.parseXml(
'\n\n<root></root>'
);
dtd = doc.getDtd();
assert.equal("html", dtd?.name);
assert.equal(null, dtd?.externalId);
assert.equal("http://www.w3.org/TR/html4/strict.dtd", dtd?.systemId);
doc = libxml.parseXml(
'\n\n<root></root>'
);
dtd = doc.getDtd();
assert.equal("html", dtd?.name);
assert.equal("-//W3C//DTD HTML 4.01//EN", dtd?.externalId);
assert.equal("http://www.w3.org/TR/html4/strict.dtd", dtd?.systemId);
assert.done();
};
module.exports.setDtd = function (assert: any) {
var doc = libxml.Document();
doc.setDtd("html");
assert.ok(doc);
assert.equal('\n\n', doc.toString());
doc.setDtd("html", "bacon", "bacon");
assert.ok(doc);
assert.equal('\n\n', doc.toString());
doc.setDtd("html", null);
assert.ok(doc);
assert.equal('\n\n', doc.toString());
assert.throws(function () {
// @ts-ignore
doc.setDtd(5);
});
assert.ok(doc);
assert.equal('\n\n', doc.toString());
assert.throws(function () {
// @ts-ignore
doc.setDtd();
});
assert.ok(doc);
assert.equal('\n\n', doc.toString());
assert.done();
};
module.exports.blank = function (assert: any) {
var doc = libxml.Document();
assert.ok(doc);
assert.equal("1.0", doc.version());
assert.equal("utf8", doc.encoding());
assert.done();
};
module.exports.version = function (assert: any) {
var doc = libxml.Document("2.0");
assert.ok(doc);
assert.equal("2.0", doc.version());
assert.equal("utf8", doc.encoding());
assert.done();
};
module.exports.type = function (assert: any) {
var doc = libxml.Document("2.0");
assert.equal("document", doc.type());
assert.done();
};
module.exports.full = function (assert: any) {
var doc = libxml.Document("2.0", "UTF-8");
assert.ok(doc);
assert.equal("2.0", doc.version());
assert.equal("UTF-8", doc.encoding());
assert.done();
};
module.exports.null_root = function (assert: any) {
var doc = libxml.Document();
assert.equal(null, doc.root());
assert.done();
};
module.exports.new_root = function (assert: any) {
var doc = libxml.Document();
var root = doc.node("root");
assert.equal("root", root.name());
assert.equal(root, doc.root());
root.node("child").parent()?.node("child");
assert.equal(doc.root()?.name(), (doc.get("/root") as any).name());
assert.done();
};
module.exports.one_child = function (assert: any) {
var doc = libxml.Document();
var parent = doc.node("root").node("child-one").parent();
assert.notEqual(parent, null);
parent?.node("child-two");
assert.equal("child-one", doc.child(0)?.name());
assert.equal("child-two", doc.child(1)?.name());
assert.done();
};
module.exports.root_children = function (assert: any) {
var doc = libxml.Document();
doc.node("root").node("child-one").parent()?.node("child-two");
assert.equal("child-one", doc.childNodes()?.[0]?.name());
assert.equal("child-two", doc.childNodes()?.[1]?.name());
assert.done();
};
module.exports.xpath = function (assert: any) {
var doc = libxml.Document();
doc.node("root").node("child").parent()?.node("child");
assert.equal(2, doc.find("child")?.length);
assert.done();
};
module.exports.xpath_child = function (assert: any) {
var doc = libxml.Document();
doc.node("root").node("child-one").parent()?.node("child-two");
assert.equal("child-one", (doc.get("child-one") as any).name());
assert.equal("child-two", (doc.get("child-two") as any).name());
assert.done();
};
module.exports.toString = function (assert: any) {
var control = [
'',
"<root>",
' <child to="wongfoo">',
' <grandchild from="julie numar">with love</grandchild>',
" </child>",
" <sibling>with content!</sibling>",
"</root>",
"",
].join("\n");
var doc = libxml.Document();
var root = doc.node("root");
// @ts-ignore
var child = root
.node("child")
.attr({ to: "wongfoo" })
// @ts-ignore
.node("grandchild", "with love")
.attr({ from: "julie numar" });
root.node("sibling", "with content!");
assert.equal(control, doc.toString());
assert.done();
};
module.exports.add_child_nodes = function (assert: any) {
var doc1_string = [
'',
'<root><child to="wongfoo"><grandchild from="julie numar">with love</grandchild></child><sibling>with content!</sibling></root>',
].join("\n");
var doc2_string = [
'',
'<root><child to="wongfoo"></child><sibling>with content!</sibling></root>',
].join("\n");
var doc1 = libxml.parseXml(doc1_string);
var doc2 = libxml.parseXml(doc2_string);
doc2.child(0)?.addChild(doc1.child(0)?.child(0)!);
assert.equal(doc1.toString(), doc2.toString());
assert.done();
};
module.exports.add_cdata_nodes = function (assert: any) {
var gchild = "";
var doc1_string = ['', '<root><child to="wongfoo"/></root>'].join("\n");
var expected_string = [
'',
"<root>",
' <child to="wongfoo"><![CDATA[<p>Bacon</p>]]></child>',
"</root>",
"" /* Why?!? */,
].join("\n");
var doc1 = libxml.parseXml(doc1_string);
doc1.child(0)?.cdata("<p>Bacon</p>");
assert.equal(doc1.toString(), expected_string);
assert.done();
};
module.exports.cloned_node = function (assert: any) {
var rssBefore = rssAfterGarbageCollection();
var gchild_string = '<grandchild from="julie numar">with love</grandchild>';
var doc1_string = [
'',
'<root><child to="wongfoo">' + gchild_string + "</child><sibling>with content!</sibling></root>",
"",
].join("\n");
var doc2_string = [
'',
'<root><child to="wongfoo"/><sibling>with content!</sibling></root>',
"",
].join("\n");
var doc1 = libxml.parseXml(doc1_string);
var doc2 = libxml.parseXml(doc2_string);
var gchild = doc1.child(0)?.child(0); //the element to operate on
doc2.child(0)?.addChild(gchild!); // add gchild clone to doc2, implicit clone
assert.equal(doc1.toString(), doc2.toString()); // both documents should be the same
assert.notEqual(gchild, doc2.child(0)?.child(0)); // these nodes should be different (cloned)
gchild?.remove();
assert.equal(doc2_string, doc1.toString(false)); //doc1 should be the same as doc2 str (raw output)
assert.equal(doc1_string, doc2.toString(false)); //doc2 should be the same as doc1 str (raw output)
assert.done();
};
module.exports.validate = function (assert: any) {
var xsd =
'<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:element name="comment" type="xs:string"/></xs:schema>';
var xml_valid = '<comment>A comment</comment>';
var xml_invalid = '<commentt>A comment</commentt>';
var xsdDoc = libxml.parseXml(xsd);
var xmlDocValid = libxml.parseXml(xml_valid);
var xmlDocInvalid = libxml.parseXml(xml_invalid);
assert.equal(xmlDocValid.validate(xsdDoc), true);
assert.equal(xmlDocValid.validationErrors.length, 0);
assert.equal(xmlDocInvalid.validate(xsdDoc), false);
assert.equal(xmlDocInvalid.validationErrors.length, 1);
assert.done();
};
module.exports.rngValidate = function (assert: any) {
// see http://relaxng.org/ for more infos about RELAX NG
var rng =
'<element name="addressBook" xmlns="http://relaxng.org/ns/structure/1.0">' +
"<zeroOrMore>" +
'<element name="card">' +
'<element name="name">' +
"<text/>" +
"</element>" +
'<element name="email">' +
"<text/>" +
"</element>" +
"</element>" +
"</zeroOrMore>" +
"</element>";
var xml_valid =
"<addressBook>" +
"<card>" +
"<name>John Smith</name>" +
"<email>js@example.com</email>" +
"</card>" +
"<card>" +
"<name>Fred Bloggs</name>" +
"<email>fb@example.net</email>" +
"</card>" +
"</addressBook>";
var xml_invalid =
"<addressBook>" +
"<card>" +
"<Name>John Smith</Name>" +
"<email>js@example.com</email>" +
"</card>" +
"<card>" +
"<name>Fred Bloggs</name>" +
"<email>fb@example.net</email>" +
"</card>" +
"</addressBook>";
var rngDoc = libxml.parseXml(rng);
var xmlDocValid = libxml.parseXml(xml_valid);
var xmlDocInvalid = libxml.parseXml(xml_invalid);
assert.equal(xmlDocValid.rngValidate(rngDoc), true);
assert.equal(xmlDocValid.validationErrors.length, 0);
assert.equal(xmlDocInvalid.rngValidate(rngDoc), false);
assert.equal(xmlDocInvalid.validationErrors.length, 1);
assert.done();
};
module.exports.errors = {
empty_html_doc: function (assert: any) {
function assertDocRootError(func: any, msg: any) {
assert.throws(func, /Document has no root element/, msg);
}
var xml_only_comments = "<!-- empty -->";
var doc = libxml.parseHtml(xml_only_comments);
assert.equal(null, doc.root());
assertDocRootError(function () {
doc.get("*");
}, "get method throws correct error on empty doc");
assertDocRootError(function () {
doc.find("*");
}, "find method throws correct error on empty doc");
assertDocRootError(function () {
doc.child(1);
}, "child method throws correct error on empty doc");
assertDocRootError(function () {
doc.childNodes();
}, "childNodes method throws correct error on empty doc");
assertDocRootError(function () {
doc.namespaces();
}, "namespaces method throws correct error on empty doc");
assert.done();
},
};
module.exports.validate_memory_usage = function (assert: any) {
var xsd =
'<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:element name="comment" type="xs:string"/></xs:schema>';
var xml = '<comment>A comment</comment>';
var xsdDoc = libxml.parseXml(xsd);
var xmlDoc = libxml.parseXml(xml);
var rssBefore = rssAfterGarbageCollection();
for (var i = 0; i < 10000; ++i) {
xmlDoc.validate(xsdDoc);
}
assert.done();
};
module.exports.fromHtml = function (assert: any) {
var html = "<p>A paragraph with <span>inline tags</span></p>";
var header =
'\n<html><body>';
var footer = "</body></html>\n";
var parsedHtml = libxml.Document.fromHtml(html);
assert.equal(header + html + footer, parsedHtml.toString());
assert.done();
};
module.exports.fromHtmlFragment = function (assert: any) {
var html = "<p>A paragraph with <span>inline tags</span></p>";
var parsedHtml = libxml.Document.fromHtmlFragment(html);
assert.equal(html + "\n", parsedHtml.toString());
assert.done();
};
module.exports.fromXml = function (assert: any) {
var xml =
'' +
'' +
'<root><node1>&ent;</node1><node2>node2</node2></root>';
var parsedXml = libxml.Document.fromXml(xml);
var node: any = parsedXml?.get('//node1');
var text = node.text();
assert.equal(text, 'entity');
assert.done();
};
module.exports.fromXmlAsync = function (assert: any) {
var xml =
'' +
'' +
'<root><node1>&ent;</node1><node2>node2</node2></root>';
libxml.Document.fromXmlAsync(xml, {flags: [libxml.XMLParseFlags.XML_PARSE_NOENT]}).then(parsedXml => {
var node: any = parsedXml?.get('//node1');
var text = node.text();
assert.equal(text, 'entity');
assert.done();
});
};
module.exports.validate_rng_memory_usage = function (assert: any) {
var rng =
'<element name="addressBook" xmlns="http://relaxng.org/ns/structure/1.0">' +
"<zeroOrMore>" +
'<element name="card">' +
'<element name="name">' +
"<text/>" +
"</element>" +
'<element name="email">' +
"<text/>" +
"</element>" +
"</element>" +
"</zeroOrMore>" +
"</element>";
var xml_valid =
"<addressBook>" +
"<card>" +
"<name>John Smith</name>" +
"<email>js@example.com</email>" +
"</card>" +
"<card>" +
"<name>Fred Bloggs</name>" +
"<email>fb@example.net</email>" +
"</card>" +
"</addressBook>";
var rngDoc = libxml.parseXml(rng);
var xmlDoc = libxml.parseXml(xml_valid);
var rssBefore = rssAfterGarbageCollection();
for (var i = 0; i < 10000; ++i) {
xmlDoc.rngValidate(rngDoc);
}
// libxml.bindings.xmlCleanupParser();
// console.log(rssAfterGarbageCollection(), rssBefore, VALIDATE_RSS_TOLERANCE);
assert.ok(rssAfterGarbageCollection() - rssBefore < VALIDATE_RSS_TOLERANCE);
assert.done();
};
var VALIDATE_RSS_TOLERANCE = 1;
function rssAfterGarbageCollection(maxCycles?: any): number {
maxCycles || (maxCycles = 10);
var rss = libxml.memoryUsage();
var freedMemory = 0;
do {
global.gc?.();
var rssAfterGc = libxml.memoryUsage();
freedMemory = rss - rssAfterGc;
rss = rssAfterGc;
maxCycles--;
} while (freedMemory !== 0 && maxCycles > 0);
return rss;
}