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entities_spec.js
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const {XMLParser, XMLBuilder} = require("../src/fxp");
describe("XMLParser Entities", function() {
it("should parse attributes with valid names, default entities", function() {
const xmlData = `<a:root xmlns:a="urn:none" xmlns:a-b="urn:none">
<a:a attr="2foo&bar'">1</a:a>
<a:b>2</a:b>
<a-b:b-a>2</a-b:b-a>
<a:c>test&\r\nтест<\r\ntest</a:c>
<a:el><![CDATA[<a><<a/><b>2</b>]]]]>\r\n<![CDATA[]]]]><![CDATA[>&]]>a</a:el>
<c:string lang="ru">\
страхования\
» от суммы \
его активов\
</c:string>
</a:root>`;
const expected = {
"a:root": {
"@_xmlns:a": "urn:none",
"@_xmlns:a-b": "urn:none",
"a:a": {
"#text": 1,
"@_attr": "2foo&bar'"
},
"a:b": 2,
"a-b:b-a": 2,
"a:c": "test&\nтест<\ntest",
"a:el": "<a><<a/><b>2</b>]]]]>&a",
"c:string": {
"#text": "страхования » от суммы его активов",
"@_lang": "ru"
}
}
};
const options = {
allowBooleanAttributes: true,
ignoreAttributes: false,
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData, true);
//console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should parse different entity character reference variants", function() {
const xmlData = `<?xml version="1.0"?>
<tests>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
<test><</test>
</tests>`;
const expected = {
"?xml": "",
"tests": {
"test": ["<", "<", "<", "<", "<", "<", "<", "<", "<", "<"]
}
};
const parser = new XMLParser();
let result = parser.parse(xmlData, true);
expect(result).toEqual(expected);
});
it("should parse XML with DOCTYPE without internal DTD", function() {
const xmlData = "<?xml version='1.0' standalone='no'?><!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\" ><svg><metadata>test</metadata></svg>";
const expected = {
"?xml": {
"@_version": "1.0",
"@_standalone": "no"
},
"svg" : {
"metadata": "test"
}
};
const options = {
allowBooleanAttributes: true,
ignoreAttributes: false,
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData, true);
expect(result).toEqual(expected);
});
it("should parse XML with DOCTYPE without internal DTD", function() {
const xmlData = `<?xml version='1.0' standalone='no'?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
<svg>
<metadata>[test]</metadata>
</svg>`;
const expected = {
"?xml": {
"@_version": "1.0",
"@_standalone": "no"
},
"svg" : {
"metadata": "[test]"
}
};
const options = {
allowBooleanAttributes: true,
ignoreAttributes: false,
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData, true);
// console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should error for when any tag is left to close", function(){
const xmlData = `<?xml version="1.0"?><!DOCTYPE `;
expect(() =>{
const parser = new XMLParser();
parser.parse(xmlData);
}).toThrowError("Unclosed DOCTYPE")
})
it("should parse XML with DOCTYPE", function() {
const xmlData = "<?xml version=\"1.0\" standalone=\"yes\" ?>" +
"<!--open the DOCTYPE declaration -" +
" the open square bracket indicates an internal DTD-->" +
"<!DOCTYPE foo [" +
"<!--define the internal DTD-->" +
"<!ELEMENT foo (#PCDATA)>" +
"<!--close the DOCTYPE declaration-->" +
"]>" +
"<foo>Hello World.</foo>";
const expected = {
"?xml": "",
foo: "Hello World."
};
const options = {
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
//console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should not throw error when DTD comments contain '<' or '>'", function() {
const xmlData = `<!DOCTYPE greeting [<!-- < > < -->]>`;
const parser = new XMLParser();
parser.parse(xmlData);
});
it("should parse attributes having '>' in value", function() {
const xmlData = `
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE note [
<!ENTITY nbsp " ">
<!ENTITY writer "Writer: Donald Duck.">
<!ENTITY copyright "Copyright: W3Schools.">
]>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body attr="&writer;">Don't forget me this weekend!</body>
<footer>&writer; ©right;</footer>
</note> `;
const expected = {
"?xml": {
"version": "1.0",
"encoding": "UTF-8"
},
"note": {
"to": "Tove",
"from": "Jani",
"heading": "Reminder",
"body": {
"#text": "Don't forget me this weekend!",
"attr": "Writer: Donald Duck."
},
"footer": "Writer: Donald Duck. Copyright: W3Schools."
}
};
const options = {
attributeNamePrefix: "",
ignoreAttributes: false,
processEntities: true
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should parse dynamic entity", function() {
const xmlData = `
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE note [
<!ENTITY nbsp "writer;">
<!ENTITY writer "Writer: Donald Duck.">
<!ENTITY copyright "Copyright: W3Schools.">
]>
<note>
<heading>Reminder</heading>
<body attr="&writer;">Don't forget me this weekend!</body>
<footer>&writer;& ©right;</footer>
</note> `;
const expected = {
"?xml": {
"version": "1.0",
"encoding": "UTF-8"
},
"note": {
"heading": "Reminder",
"body": {
"#text": "Don't forget me this weekend!",
"attr": "Writer: Donald Duck."
},
"footer": "Writer: Donald Duck.Writer: Donald Duck.Copyright: W3Schools."
}
};
const options = {
attributeNamePrefix: "",
ignoreAttributes: false,
processEntities: true
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should allow !ATTLIST & !NOTATION", function() {
const xmlData = `<?xml version="1.0"?>
<!DOCTYPE code [
<!ELEMENT code (#PCDATA)>
<!NOTATION vrml PUBLIC "VRML 1.0">
<!ATTLIST code lang NOTATION (vrml) #REQUIRED>
]>
<code lang="vrml">Some VRML instructions</code>`;
const expected = {
"?xml": {
"version": "1.0"
},
"code": {
"lang": 'vrml',
"#text": 'Some VRML instructions'
}
};
const options = {
attributeNamePrefix: "",
ignoreAttributes: false,
processEntities: true
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should build by decoding defaul entities", function() {
const jsObj = {
"note": {
"@heading": "Reminder > \"Alert",
"body": {
"#text": " 3 < 4",
"attr": "Writer: Donald Duck."
},
}
};
const expected = `
<note heading="Reminder > "Alert">
<body>
3 < 4
<attr>Writer: Donald Duck.</attr>
</body>
</note>`;
const options = {
attributeNamePrefix: "@",
ignoreAttributes: false,
// processEntities: true
};
const builder = new XMLBuilder(options);
const result = builder.build(jsObj);
expect(result.replace(/\s+/g, "")).toEqual(expected.replace(/\s+/g, ""));
});
it("should build by decoding defaul entities in prserve mode", function() {
const jsObj = [
{
"note": [
{
"body": [
{
"#text": "3 < 4"
},
{
"attr": [
{
"#text": "Writer: Donald Duck."
}
]
}
]
}
],
":@": {
"@heading": "Reminder > \"Alert"
}
}
];
const expected = `
<note heading="Reminder > "Alert">
<body>
3 < 4
<attr>Writer: Donald Duck.</attr>
</body>
</note>`;
const options = {
attributeNamePrefix: "@",
ignoreAttributes: false,
preserveOrder: true,
// processEntities: false
};
const parser = new XMLParser(options);
let result = parser.parse(expected);
// console.log(JSON.stringify(result,null,4));
const builder = new XMLBuilder(options);
result = builder.build(jsObj);
// console.log(result);
expect(result.replace(/\s+/g, "")).toEqual(expected.replace(/\s+/g, ""));
});
it("should parse HTML entities when htmlEntities:true", function() {
const xmlData = `
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE note [
<!ENTITY nbsp "writer;">
<!ENTITY writer "Writer: Donald Duck.">
<!ENTITY copyright "Copyright: W3Schools.">
]>
<note>
<heading>Reminder</heading>
<body attr="&writer;">Don't forget me this weekend!®</body>
<footer>&writer;& ©right;&inr;</footer>
</note> `;
const expected = {
"?xml": {
"version": "1.0",
"encoding": "UTF-8"
},
"note": {
"heading": "Reminder",
"body": {
"#text": "Don't forget me this weekend!®",
"attr": "Writer: Donald Duck."
},
"footer": "Writer: Donald Duck.Writer: Donald Duck.Copyright: W3Schools.₹"
}
};
const options = {
attributeNamePrefix: "",
ignoreAttributes: false,
processEntities: true,
htmlEntities: true
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
});
describe("XMLParser External Entites", function() {
it("should throw error when an entity value has '&'", function() {
const parser = new XMLParser();
expect( () => {
parser.addEntity("#xD", "&\r");
}).toThrowError("Entity value can't have '&'");
});
it("should throw error when an entity identifier has '&'", function() {
const parser = new XMLParser();
expect( () => {
parser.addEntity("
", "\r");
}).toThrowError("An entity must be set without '&' and ';'. Eg. use '#xD' for '
'");
});
it("should throw error when an entity identifier has ';'", function() {
const parser = new XMLParser();
expect( () => {
parser.addEntity("#xD;", "\r");
}).toThrowError("An entity must be set without '&' and ';'. Eg. use '#xD' for '
'");
});
it("should set and parse for valid entity set externally", function() {
const xmlData = `<note>&unknown;
last</note> `;
const parser = new XMLParser();
parser.addEntity("#xD", "\r\n");
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result.note).toEqual(`&unknown;\r\nlast`);
});
it("External Entity can change the behaviour of default entites", function() {
const xmlData = `<note>>last</note> `;
const parser = new XMLParser();
parser.addEntity("gt", "<>");
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result.note).toEqual(`<>last`);
});
it("Same external Entity can be set by multiple times", function() {
const xmlData = `<note>>last</note> `;
const parser = new XMLParser();
parser.addEntity("gt", "<>");
parser.addEntity("gt", "><");
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result.note).toEqual(`><last`);
});
it("should build by decoding '&' prserve mode", function() {
const jsObj = [
{
"note": [
{
"body": [
{ "#text": "(3 & 4) < 5" },
{ "attr": [ { "#text": "Writer: Donald Duck." } ] }
]
}
],
":@": {
"@heading": "Reminder > \"Alert"
}
}
];
const expected = `
<note heading="Reminder > "Alert">
<body>
(3 & 4) < 5
<attr>Writer: Donald Duck.</attr>
</body>
</note>`;
const options = {
attributeNamePrefix: "@",
ignoreAttributes: false,
preserveOrder: true,
// processEntities: false
};
const parser = new XMLParser(options);
let result = parser.parse(expected);
// console.log(JSON.stringify(result,null,4));
const builder = new XMLBuilder(options);
result = builder.build(jsObj);
// console.log(result);
expect(result.replace(/\s+/g, "")).toEqual(expected.replace(/\s+/g, ""));
});
it("should build by decoding '&'", function() {
const jsObj = {
"note": {
"body": {
"attr": "Writer: Donald Duck.",
"#text": "(3 & 4) < 5"
},
"@heading": "Reminder > \"Alert"
}
};
const expected = `
<note heading="Reminder > "Alert">
<body>
<attr>Writer: Donald Duck.</attr>
(3 & 4) < 5
</body>
</note>`;
const options = {
attributeNamePrefix: "@",
ignoreAttributes: false,
};
const parser = new XMLParser(options);
let result = parser.parse(expected);
// console.log(JSON.stringify(result,null,4));
// expect(expected).toEqual(jsObj);
const builder = new XMLBuilder(options);
const output = builder.build(jsObj);
// console.log(output);
expect(output.replace(/\s+/g, "")).toEqual(expected.replace(/\s+/g, ""));
});
it("should replace '&lt;' with '<'", function() {
const xmlData = `<SimpleScalarPropertiesInputOutput>
<stringValue>&lt;</stringValue>
</SimpleScalarPropertiesInputOutput>`;
const expected = {
"SimpleScalarPropertiesInputOutput": {
"stringValue": "<"
}
};
const options = {
attributeNamePrefix: "",
ignoreAttributes: false,
processEntities: true,
// preserveOrder: true
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
//console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
it("should support entites with tags in content", function() {
const xmlData = `
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
<!ENTITY Smile "
<rect x='.5' y='.5' width='29' height='39' fill='black' stroke='red'/>
<g transform='translate(0, 5)'>
<circle cx='15' cy='15' r='10' fill='yellow'/>
<circle cx='12' cy='12' r='1.5' fill='black'/>
<circle cx='17' cy='12' r='1.5' fill='black'/>
<path d='M 10 19 L 15 23 20 19' stroke='black' stroke-width='2'/></g>"
>
]>
<svg width="850px" height="700px" version="1.1" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(16,0,0,16,0,0)">&Smile;</g></svg> `;
const expected = {
"?xml": {
"version": "1.0",
"encoding": "utf-8"
},
"svg": {
"g": {
"#text": " \n \t<rect x='.5' y='.5' width='29' height='39' fill='black' stroke='red'/>\n\t\t<g transform='translate(0, 5)'> \n\t\t\t<circle cx='15' cy='15' r='10' fill='yellow'/>\n\t\t\t<circle cx='12' cy='12' r='1.5' fill='black'/>\n\t\t\t<circle cx='17' cy='12' r='1.5' fill='black'/>\n\t\t\t<path d='M 10 19 L 15 23 20 19' stroke='black' stroke-width='2'/></g>",
"transform": "matrix(16,0,0,16,0,0)"
},
"width": "850px",
"height": "700px",
"version": "1.1",
"xmlns": "http://www.w3.org/2000/svg"
}
};
const options = {
attributeNamePrefix: "",
ignoreAttributes: false,
processEntities: true,
// preserveOrder: true
};
const parser = new XMLParser(options);
let result = parser.parse(xmlData);
// console.log(JSON.stringify(result,null,4));
expect(result).toEqual(expected);
});
});